Publications
A Pain in the Butt: The Association Between Endo-Parasite Diversity and Horn Growth in Rocky Mountain Bighorn Sheep
A counterintuitive link between parasite diversity and horn growth in male bighorn sheep challenges established theories of sexual selection. Researchers found that young Rocky Mountain bighorn sheep (Ovis canadensis canadensis) with higher gastrointestinal and lungworm parasite species richness exhibited faster annual horn growth, contrary to expectations. The study, conducted in Sheep River Provincial Park, Alberta, analyzed fecal samples from individually marked males over two years, measuring parasite egg and oocyst counts alongside horn growth metrics. While adult and older males showed no significant relationship between parasite diversity and horn growth, young males appeared to prioritize resource allocation toward horn development, potentially at the expense of immune function or parasite resistance. This finding contradicts the traditional 'parasite-mediated sexual selection' hypothesis, which suggests that elaborate traits like horns signal robust health and parasite resistance.
Changing grizzly bear space use and functional connectivity in response to human disturbance in the southern Canadian Rocky Mountains
Human disturbance, including roads and settlements, significantly alters grizzly bear movement and functional connectivity in the southern Canadian Rocky Mountains. Research using integrated step-selection functions (iSSF) on 109 GPS-collared bears revealed that bears avoid highways but are attracted to low-forage areas alongside them, such as in Banff National Park and Kananaskis. Females tend to avoid towns during spring and summer, while males are more likely to traverse them. Future scenarios with increased mining and settlements predict further declines in connectivity, exacerbating existing losses. The study advances conservation strategies by incorporating individual-level variation into population simulations, providing actionable insights for transboundary management and protection of this UNESCO World Heritage Site.
Climate Sensitivities of National Parks in the Rocky Mountains
Climate change is significantly altering the landscape and resources of national parks within the Rocky Mountains, with impacts expected to intensify. This report highlights how changes in climate drivers—such as temperature shifts and extreme weather events—are affecting natural resources, cultural heritage, visitor experiences, and infrastructure across these parks. By analyzing regional-scale data from southern Colorado to the Montana–Canadian border, researchers have identified key sensitivities that could guide adaptive management strategies. The study provides projections for future climate trends, offering actionable insights for park conservation efforts.
Institutional Barriers to Climate Change Adaptation for Mountain Guides in the Canadian Rockies
Two-thirds of mountain guides in the Canadian Rockies report that recent revisions to Parks Canada's National Park Guided Business Licence (NPGBL) program have unintentionally reduced their adaptability while increasing administrative burdens, undermining the efficacy and equity of climate change adaptation efforts. The study, which combined semistructured interviews with 30 guides, policy analysis, and key informant interviews with seven stakeholders, identified that the revised regulatory framework and implementation mechanisms hinder adaptive capacity. Findings suggest that fostering horizontal and vertical social capital—integrating local knowledge holders like mountain guides into decision-making processes—could mitigate these institutional barriers. This research provides actionable insights for land managers and guiding organizations globally, where guiding professions face dual pressures from climatic and institutional changes.
An Estimate of Wolverine Density for the Canadian Province of Alberta
A first provincial-scale estimate suggests Alberta's wolverine population stands at just 955 individuals, with only 544 adults—a figure well below IUCN thresholds for legally listed species. The study, synthesizing existing density data and habitat relationships across five landscapes (including protected Rocky Mountain Parks), found densities ranging from 0.71 to 6.74 wolverines per 1,000 km², with boreal regions supporting the highest concentrations. Using spatially explicit capture-recapture models, researchers extrapolated these estimates across bioclimatic ecoregions, highlighting a critical need for status reassessment and conservation action. The findings underscore the species' precarious position in Alberta, where it has been designated Data Deficient since 2001.
Declining population of Harlequin Duck (Histrionicus histrionicus) on the Bow River, Alberta, Canada: 25 years of monitoring
A 25-year study on the Harlequin Duck population along the Bow River in Banff National Park, Alberta, reveals a concerning 3.3% annual decline from 1995 to 2020, despite the site's protected status. The research, using roadside surveys and state-space modeling, identified distinct phases: stability until 2005, followed by steep decline until 2011, and recent stabilization with slight rebound. Notably, the male-to-female ratio dropped during population decline, suggesting potential breeding challenges. This trend mirrors declines in other Rocky Mountain regions and coastal wintering areas, indicating broader ecological stressors rather than localized issues.
Effects of a severe wildfire on a bat community in the Canadian Rocky Mountains
A severe wildfire in Waterton Lakes National Park, part of the Canadian Rocky Mountain Parks UNESCO World Heritage Site, had mixed effects on bat communities. While 40 kHz Myotis bats showed increased activity in burned areas post-fire, suggesting a shift to more favorable foraging conditions, other species like the big brown bat and silver-haired bat experienced declines, particularly in unburned areas. Hoary bats were consistently negatively affected across all sites. The study used acoustic detectors over six years (three pre-fire and three post-fire) to monitor bat activity, revealing species-specific responses likely driven by changes in foraging opportunities and prey availability. These findings highlight the complex impacts of wildfires on biodiversity and underscore the need for further research to understand long-term resilience in the face of climate change.
Everyone scavenges: From pole to equator, nature's recyclers perform a widespread and largely unheralded service
A groundbreaking study in Kluane, Yukonreveals that scavenging is far more widespread and ecologically significant than previously recognized. Researchers documented 24 species, including Canada jays, common ravens, red squirrels, and golden eagles, feeding on snowshoe hare carcasses, challenging the notion that only traditional scavengers like wolverines or vultures play this role. The study used camera traps to observe scavenging behavior across seasons, finding that winter persistence of carcasses supports a higher diversity of scavengers due to slower decomposition. The research underscores the critical but often overlooked role of scavenging in nutrient recycling and food web dynamics, with implications for ecosystems globally. It also highlights the importance of keystone species like snowshoe hares in sustaining scavenger communities.
Exploring impacts of COVID-19 on spatial and temporal patterns of visitors to Canadian Rocky Mountain National Parks from social media big data
COVID-19 significantly altered visitor patterns in Canada's Rocky Mountain National Parks, with peri-pandemic tourists favoring remote areas and showing increased exploration of less accessible regions. A geographically weighted regression (GWR) model revealed that proximity to trails was a key determinant of visitor density, highlighting spatial imbalances in tourism distribution. The study leveraged social media big data for spatiotemporal analysis, offering a novel approach to understand tourism dynamics. These findings provide critical insights for park management, enabling more efficient resource allocation and balanced visitor distribution to meet conservation and recreational objectives.
Changes in movement, habitat use, and response to human disturbance accompany parturition events in bighorn sheep (Ovis canadensis)
A hidden Markov model (HMM) using GPS data from collared bighorn sheep successfully identified parturition events with 93% accuracy, offering a novel method to detect lambing dates without extensive field observations. The study found that periparturient ewes in Banff National Park preferentially selected high-elevation sites with rugged terrain, solar aspects, and proximity to escape routes post-lambing, while also avoiding areas near roads or trails. These findings highlight the importance of minimizing human disturbance during lambing periods to protect maternal behavior and ensure access to suitable habitats, providing critical insights for wildlife management in UNESCO World Heritage Sites like the Canadian Rocky Mountain Parks.
Climbing through Climate Change in the Canadian Rockies: Guides’ Experiences of Route Transformation on Mt. Athabasca
Climate change is significantly transforming mountaineering routes on Mt. Athabasca, Jasper National Park, Canada, with rising temperatures and altered precipitation patterns driving glacial retreat and the loss of semi-permanent snow and ice. This shift is altering climbing conditions and increasing objective hazards, impacting both the livelihoods of mountain guides and the broader mountain tourism sector. The study, employing a mixed-methods approach that included spatio-temporal trend analysis, repeat photography, and interviews with guides, found that these changes disproportionately affect guides based on their career stage, with late-career guides facing reduced opportunities and early-career guides encountering more challenging conditions. These findings highlight the urgent need for adaptation strategies and further research to address the global implications of climate change on mountaineering destinations.
Defining wilderness: the evolution of Banff National Park
Banff National Park, Canada's oldest national park, exemplifies how wilderness is deeply embedded in Canadian cultural identity and history. This study reveals that park boundaries serve as spatial tools to project legal frameworks and cultural values, shaping landscapes rather than merely preserving them. Through an architectural analysis of Banff's evolving boundaries, the research dissects their interactions with industrial interests, cultural landmarks, and historical narratives, exposing dynamics of power, exclusion, exploitation, and commercialization. It highlights how romanticized notions of wilderness have influenced Canadian attitudes toward landscape conservation versus industrialization.
Female little brown bats require both building and natural roosts in a mountainous environment with short summers
Female little brown bats (Myotis lucifugus) in the Canadian Rocky Mountains rely on both buildings and natural roosts for survival, particularly in mountainous environments with short summers. Buildings are critical as they serve as the primary roost type during reproduction and provide thermal conditions that support overwinter survival. However, these colonies are unusually small, and bats show low fidelity to specific building roosts, suggesting inconsistent meeting of their needs. Natural roosts are also used, especially after colder nights, aiding in energy conservation through torpor. The study tracked 49 female bats over two summers in Banff, Yoho, and Kootenay National Parks, revealing delayed juvenile weaning, early hibernation onset, and low reproductive rates compared to more southern or non-mountainous areas. These findings highlight the importance of addressing the needs of both reproductive and nonreproductive individuals for population persistence.
Genomics of founders for conservation breeding: the Jasper caribou case
A genomic analysis of 144 woodland caribou from 11 populations across a 200,000 km² area surrounding Jasper National Park (JNP) reveals that the region likely represents a metapopulation with historically high gene flow. This suggests that multiple founder sources would be suitable for a proposed conservation breeding program to prevent local extirpation of JNP caribou, an endangered species in Canada. However, population structure and adaptive divergence analyses indicate that JNP caribou are genetically closest to populations in the BC Columbia range, which also exhibit sufficient genetic diversity for conservation breeding. The study recommends collaboration among jurisdictions to implement this program, aiming not only to recover JNP caribou but also to support other peripheral populations at risk.
Burn Severity in Canada's Mountain National Parks: Patterns, Drivers, and Predictions
A study analyzing burn severity in Canada's Rocky Mountain Parks from 1985 to 2015 reveals that fuel type is the dominant factor influencing fire intensity, while topography, vegetation, and climate contribute equally. Lightning-caused fires result in more high-severity burns compared to prescribed fires. Predictive models indicate consistent spatial patterns of burn severity across Banff, Kootenay, and Yoho National Parks, with intensive fire management zones showing lower severity, reflecting effective local interventions.
Evidence for pre-Cenozoic extension in the eastern Main Ranges of the southern Canadian Rockies
Research in the Canadian Rocky Mountain Parks reveals that normal faults within the eastern Main Ranges of the southern Canadian Rockies, traditionally associated with postcontractional transtension during the Paleogene Period, likely originated much earlier—during Carboniferous and Permian rifting. This rifting separated pericratonic terranes from North America, forming the Slide Mountain Ocean. Unlike other regions where such extensional faults are obscured by later tectonic events, this area preserves these ancient structures due to Cretaceous to Paleogene contraction that transported them over unattenuated continental crust without significant overprinting. Detailed field mapping of deformation adjacent to normal fault surfaces provides critical evidence for this pre-Cenozoic extension, challenging prevailing interpretations and offering new insights into the tectonic evolution of the Canadian Rockies.
Columbia Icefield Bus Rollover: A Case Study of Wilderness Mass Casualty Triage, Treatment, and Transport
A mass casualty incident (MCI) involving a bus rollover on the Columbia Icefield within Jasper National Park, part of Canada's Rocky Mountain Parks World Heritage Site, underscores the critical role of aeromedical surge capacity in managing such rare but complex emergencies. The incident resulted in three fatalities and 21 patients requiring transport, highlighting the challenges posed by wilderness environments and extreme conditions. The response involved extensive use of physician field deployment, centralized coordination centers, and mixed transport resources, reinforcing existing recommendations for MCI management while identifying gaps in optimal triage strategies and rescue chain development. Future research should focus on refining these strategies, particularly in mountain settings.
Mobile device use in mountain hiking experience affecting leisure constraints negotiation
Mobile device use significantly facilitates mountain hiking experiences by mitigating leisure constraints and enhancing negotiation behaviors. Research involving 399 hikers from Canada's Rocky Mountains (including Banff, Jasper, and provincial parks) and South Korea (Bukhan and Seorak National Parks) demonstrated that mobile devices positively influence hiking participation through reduced constraints and increased motivation. Partial least squares structural equation modeling (PLS-SEM) revealed cultural differences: Canadian hikers showed a stronger positive relationship between negotiation and participation, while South Korean hikers exhibited a negative impact of constraints on participation. Additionally, an extended UTAUT2 model highlighted safety expectancy as the strongest predictor of mobile device use across cultures. The study confirms that mobile devices play a crucial role in negotiating leisure constraints during mountain hiking.
Canadian Rockies Transect
A detailed geological and structural overview of the Canadian Rocky Mountain Parks, spanning from Drumheller, Alberta, to Golden, British Columbia, reveals the dynamic deformation processes within the Western Canada Sedimentary Basin and its associated ranges. The study highlights significant fossil locations, including dinosaur remains at Dinosaur Provincial Park and the Royal Tyrell Museum, as well as trilobites and soft-bodied fauna from the Mount Stephen and Walcott Quarries. It explores how thrust belt deformation varies with lithology, thickness, and rock strength, providing insights into the region's geological history, oil and gas exploration, and mining activities. This field guide serves as a comprehensive resource for understanding the complex interplay between tectonic forces and sedimentary processes in one of North America's most geologically diverse regions.
Low wolverine (Gulo gulo) density in a national park complex of the Canadian Rocky Mountains
Wolverine densities in the Canadian Rocky Mountain Parks—Banff, Yoho, and Kootenay—are significantly lower than expected for high-quality habitat, with mean densities of 3.3 and 3.0 wolverines per 1000 km² in 2011 and 2013, respectively. The study also found that density decreases toward park boundaries, suggesting edge effects may negatively impact populations. Using systematic non-invasive genetic sampling across over 7000 km², researchers employed spatial capture–recapture models to estimate densities, revealing critical insights for conservation efforts. To support the population, the authors recommend establishing buffer zones that protect female habitat and prohibit harvest.
Modelling Fire Cessation in the Canadian Rocky Mountains
A study on the Verdant Creek Fire in Kootenay National Park, part of the Canadian Rocky Mountain Parks World Heritage Site, reveals that fire cessation is primarily influenced by fuel composition and arrangement, with limited impact from topography. Weather conditions significantly affect fire boundary formation, especially in areas where suppression tactics are applied, which proved effective during periods of reduced weather intensity and near waterways. The research developed a Spread Potential Index (SPI) to map the probability of fire spread based on temporally stable environmental factors, offering potential applications for strategic fire management. The study utilized GIS data extraction and statistical modeling, including matched case-control conditional logistic regression, to analyze 16 distances of analysis and compare predictive fire boundary models.
A Poetics of Simpson Pass: Natural History and Place-Making in Rocky Mountains Park
A Sprig of Mountain Heather, a historic pamphlet by J.B. Harkin and Mabel Williams, reveals how natural history practices enabled European settlers to culturally appropriate remote wilderness spaces like Simpson Pass in Canada’s Rocky Mountain Parks. By embedding Scottish lore with a pressed alpine heather specimen, the pamphlet demonstrates the power of natural objects as loci of memory, facilitating emotional and cultural attachment to geographically and culturally distant lands. This colonial curatorial approach underscores the role of botanical inventory in shaping national park narratives, blending scientific documentation with place-making to bridge alienation between settlers and wilderness.
Biodiversity of the Vascular Timberline Flora in the Rocky Mountains of Alberta, Canada
A survey of vascular timberline flora along a 600-km stretch of the Canadian Rocky Mountains in Alberta reveals that rare species are concentrated in transition zones, particularly at Plateau Mountain and Waterton National Park. These areas likely served as refugia during the Late Wisconsin glaciation, preserving arctic/alpine endemics that form part of the Middle Cordilleran endemic flora. The study quantifies vegetation distribution across six specific locations, building on prior work by Argus, White, and Gould, while noting an increase in documented rare taxa as more species are identified. This suggests that isolated nunataks, such as Plateau Mountain, played a crucial role in maintaining biodiversity during glacial periods.
Examining Aspen Expansion from Before and After Prescribed Burning in a Native Fescue Grassland Through Geospatial Techniques
Prescribed burning in Waterton Lakes National Park did not significantly reduce aspen stand area, though an observational decline in canopy cover was noted. The study, conducted using geospatial techniques including UAS imagery and ground-truthing, aimed to assess the impact of prescribed burns on aspen expansion in native fescue grasslands—a critical ecosystem for biodiversity and carbon sequestration. Despite efforts to suppress woody vegetation through controlled fires, aspen regeneration persisted, influenced by elk browse and wolf predation dynamics. This research highlights the complex interplay between fire management, herbivory, and ecological restoration in maintaining grassland ecosystems.
Influences of Personality on Ungulate Migration and Management
Bolder elk are three times more likely to forego migration and exhibit faster learning responses to aversive conditioning, suggesting that personality traits significantly influence migratory behavior and habituation. This study synthesizes research on wild elk populations in the Canadian Rocky Mountains to propose a conceptual model explaining how anthropogenic changes favor bolder individuals, leading to residency over migration. The findings indicate that bold personalities—defined by seven metrics—are linked to cognitive flexibility and behavioral adaptability, potentially driven by genetic differences or gene-environment interactions. Managers could mitigate habituation and promote migration by targeting bolder individuals with aversive conditioning and reducing anthropogenic food sources in predator refugia.
Spatial predation risk for elk (Cervus elaphus) in a multi-predator community on the Rocky Mountain East Slopes, Alberta
Elk migrating westward into Banff National Park face significantly lower predation risk from wolves, cougars, and bears compared to resident elk and eastern migrants. This study employed a novel, non-invasive method using predator scats to assess summer predation risk in Ya Ha Tinda, Alberta, Canada. By combining scat-based resource selection functions with DNA analysis, researchers identified that elk were more frequently preyed upon by wolves and bears in areas with high herbaceous forage biomass and open habitat, while cougars targeted eastern migrants in regions with dense forest edges. This approach offers a cost-effective alternative to traditional predation risk assessment methods, providing valuable insights into the spatial dynamics of multi-predator communities and their impact on elk behavior.
Spatiotemporal railway use by grizzly bears in Canada's Rocky Mountains
Grizzly bears in Canada's Rocky Mountains, including Banff and Yoho National Parks, are more likely to use railway networks near railroad sidings, at intermediate distances from human-use features, and close to rugged terrain or wet areas. Research using GPS collar data from 27 bears between 2000 and 2016 revealed that bears predominantly cross railways rather than continue along them, with such crossings occurring more frequently in spring and fall. Surprisingly, bear-train collisions were negatively correlated with locations where bears continued along the railway, contrary to initial predictions. This suggests that while railways may offer easier travel or better forage, the mechanisms behind collisions remain unclear. Mitigation efforts could focus on areas with concentrated past strikes to protect grizzly bears and other sensitive populations.
Specialization in plant–pollinator networks: insights from local-scale interactions in Glenbow Ranch Provincial Park in Alberta, Canada
Plant-pollinator interactions in the grasslands of Glenbow Ranch Provincial Park, Alberta, exhibit high levels of reciprocal specialization driven by biological constraints such as floral symmetry and pollinator traits. These interactions are not randomly distributed but are shaped by morphological or phenological mismatches between species. Landscape degradation alters network topology, shifting from specialized, symmetrical connections in less disturbed sites to generalized hub-and-connector patterns in disturbed areas. While evidence for strong evolutionary dependence among related species was weak, keystone species appear to anchor local specialization. The study integrates network structure, habitat disturbance, and phylogenetic information to provide insights into the resilience of plant-pollinator networks under environmental stress.
The Influence of a Railway on Grizzly Bears (Ursus arctos) in Canada’s Rocky Mountain Parks
Grizzly bears (Ursus arctos) in Canada’s Rocky Mountain Parks are highly vulnerable to railway-associated mortality, with train collisions being the leading cause of recorded bear deaths. The Canadian Pacific Railway enhances vegetation diversity and productivity compared to adjacent forests, attracting bears due to higher sugar content and earlier ripening of forage plants like dandelions and spilled grain. Bears exhibit strong seasonality in railway use (spring and fall) and prefer rugged terrain near sidings, where movement is constrained. While prolonged rail use does not predict mortality hotspots, it occurs in areas with lower strike rates. Contaminant analysis revealed elevated levels of heavy metals and PAHs in railway-associated forage, particularly in spilled grain, though metal exposure did not correlate with increased rail use frequency. Mitigation strategies should focus on removing attractants (e.g., grain) and maintaining contaminated zones while enhancing safe foraging alternatives to reduce wildlife-train collisions.
Glacier Skywalk: Foundations for a Canadian National Park Landmark
Jasper National Park, a UNESCO World Heritage Site renowned for its stunning landscapes including mountain peaks, lakes, canyons, and the Columbia Icefields, offers a unique vantage point to observe the Athabasca Glacier. This glacier, part of the eight glaciers fed by the ice fields, is visible from Highway 93, which traverses the park's spine. The study highlights the significance of this natural landmark, providing foundational insights for its preservation and interpretation as a Canadian national park feature. By focusing on the glacier's terminus and its accessibility along the highway, the research contributes to broader discussions on the conservation and appreciation of glacial landscapes within protected areas.
Insights into mountain wetland resilience to climate change: An evaluation of the hydrological processes contributing to the hydrodynamics of alpine wetlands in the Canadian Rocky Mountains
Alpine wetlands in the Canadian Rocky Mountains, particularly peatlands, exhibit greater resilience to climate change than previously assumed. A two-year study in Banff National Park revealed that water table stability—critical for wetland ecosystem services—was maintained despite significant variations in snowmelt timing and hydrological conditions. Groundwater contributions, accounting for up to 53% of the water budget in peatlands, played a pivotal role in this stability, alongside soil conditions. Contrary to expectations, mineral wetlands showed limited adaptive capacity, suggesting that while some alpine wetlands may withstand climate-mediated changes, others remain vulnerable.
Transplanting Following Non-Native Plant Control in Rocky Mountain Foothills Fescue Grassland Restoration
Transplanting native plants with well-developed root systems (10–15 cm) significantly improves survival and growth in Rocky Mountain foothills fescue grassland restoration, outperforming shallow-rooted tray transplants. Research at three sites in Waterton Lakes National Park demonstrated that glyphosate-based non-native plant control enhanced transplant success, while rhizomatous forbs and bunchgrasses exhibited the highest persistence (>50% over 14 months). Though winter mortality reduced long-term effectiveness, key native species were successfully established and maintained for two growing seasons. This approach offers a viable alternative to seed-based restoration in disturbed park ecosystems.
A geophysical study of alpine groundwater processes and their geologic controls in the southeastern Canadian Rocky Mountains
A geophysical study of the Canadian Rocky Mountain Parks reveals that bedrock topography, overburden heterogeneity, and thickness are key controls on groundwater flow paths and storage, potentially explaining anomalously high winter base flows. The research used electrical resistivity tomography, seismic refraction tomography, and ground-penetrating radar to image structures like thick talus deposits, permafrost, and a buried overdeepening in the Kananaskis Valley. Comparing these findings with those from Yoho National Park suggests spatial patterns in groundwater storage potential linked to physiographic variables. These insights are critical for water resource and ecosystem managers adapting to climate change-induced stream flow changes.
A railway increases the abundance and accelerates the phenology of bear‐attracting plants in a forested, mountain park
Railway edges in Banff and Yoho National Parks significantly enhance the abundance, diversity, and maturation rate of bear-attracting plants compared to adjacent forest areas. The study found that plant richness, cover, and flowering rates were greater near railways, with some species showing up to five times more fruit occurrence than 50 meters into the forest. Notably, buffaloberry (Shepherdia canadensis), a critical pre-hibernation resource for grizzly bears, exhibited higher sugar content, faster ripening, and increased fruit production within 15 meters of the rail. These findings suggest that railways may inadvertently increase strike risks for bears by concentrating food resources, particularly at higher elevations. The research used field surveys across two growing seasons to quantify plant responses along an elevational gradient, highlighting potential mitigation strategies such as removing attractants or creating safer foraging habitats.
Changes in ozone and precursors during two aged wildfire smoke events in the Colorado Front Range in summer 2015
Aged wildfire smoke from the Pacific Northwest and Canada significantly increased ozone (O3) levels by approximately 10 ppbv during two distinct events in summer 2015 over the Colorado Front Range, including at the Boulder Atmospheric Observatory. This enhancement persisted even after accounting for temperature effects, suggesting that wildfire smoke can substantially contribute to O3 abundances across urban-rural gradients. The study analyzed in situ measurements of O3, volatile organic compounds (VOCs), and reactive oxidized nitrogen species during smoke-impacted periods, revealing elevated levels of peroxyacyl nitrates, VOCs, carbon monoxide, particulate matter, and morning/evening nitrogen dioxide. These findings provide a case study on how aged wildfire smoke influences atmospheric composition, with implications for air quality as anthropogenic emissions decline.
Future streamflow simulation in a snow-dominated Rocky Mountain headwater catchment
Future streamflow in the Canadian Rocky Mountain Parks, particularly in the Athabasca River catchment within Jasper National Park, is projected to decrease significantly by up to 86% compared to baseline periods due to reduced precipitation. Summer streamflow is expected to drop from 58% to 39%, while spring streamflow may increase by 13-26%, potentially altering the seasonal hydrological patterns. The study, using the Soil and Water Assessment Tool (SWAT) calibrated with data from global circulation models under the Special Report on Emission Scenarios (SRES), predicts colder winters with increased snowfall but overall lower precipitation, which could lead to water scarcity in the region.
Lower to Middle Cambrian of the southern Canadian Rockies
A platform-to-basin transition in the Lower to Middle Cambrian strata of the southern Canadian Rockies, marked by significant Pb-Zn mineralization and dolomitization, is a key finding from this study. Researchers analyzed six localities across the Front and Central ranges, revealing critical tectonic, sedimentologic, and biologic events during the deposition of the lower to mid-Sauk Megasequence. Notable features include Middle Cambrian platformal carbonates near Lake Louise and the Burgess Shale biota at Mount Stephen, which exhibit unusual mineralogic attributes such as Mg-rich mudstone and syndepositional faulting. The study integrates field observations with geochemical analysis to elucidate these dynamic geological processes.
Relative Risk and Variables Associated with Bear and Ungulate Mortalities Along a Railroad in the Canadian Rocky Mountains
Train-wildlife collisions along the Canadian Pacific Railroad (CPR) through Banff and Yoho National Parks pose significant risks to wildlife populations, particularly for elk, deer, American black bears, and grizzly bears. The study identified hotspots and high relative risk locations where strikes exceeded expected levels based on wildlife abundance, revealing that train speed limits were positively correlated with strikes for elk and deer, while the presence of structures like overpasses, tunnels, and bridges increased strike risks for bears. These findings highlight critical areas for targeted management interventions, including speed reductions and railroad design modifications, to mitigate wildlife mortalities and associated ecological impacts.
Similarities and Differences in Barriers and Opportunities Affecting Climate Change Adaptation Action in Four North American Landscapes
A comparative analysis of four North American landscapes—northern Ontario (Canada), the Adirondack State Park (US), Arctic Alaska (US), and the Transboundary Rocky Mountains (US and Canada)—reveals both shared and region-specific barriers and opportunities hindering climate change adaptation efforts. While common challenges include lack of political support, financial constraints, and difficulties in translating complex climate impacts into actionable management strategies, opportunities such as collaboration, funding, and strong leadership were identified across regions. However, regional variations suggest that adaptation strategies must be tailored to local ecological, political, social, and economic contexts. The study underscores the potential for cross-site learning while emphasizing the need for context-specific approaches to advance climate change adaptation in these landscapes.
The Alpine Club of Canada’s ‘Mountain Heritage’: Adventure and Advocacy in the Twentieth Century and Beyond
The Alpine Club of Canada (ACC) played a pivotal role in shaping mountain adventure, conservation, and tourism in Canada's Rocky Mountain Parks during the 20th century. Its annual camps, physical culture initiatives, and advocacy efforts were instrumental in integrating mountaineering with park development. The ACC not only championed climbing traditions but also engaged in debates over land use and conservation, illustrating a complex interplay between sport, recreation, and environmental stewardship. Through archival research and alpine journals, the study reveals how the club's legacy intertwined adventure, education, and advocacy, influencing both local landscapes and broader international discussions on mountain parks.
Selected studies on terrestrial vertebrate palaeoichnology of western Canada
A significant surge in the discovery of fossil vertebrate tracksites in western Canada, particularly in Alberta and British Columbia, has revealed groundbreaking insights into prehistoric animal behavior. Notable findings include the first recorded sauropod tracks in Canada, evidence of herding behavior among tyrannosaurs and ankylosaurs, and avian track sites spanning nearly the entire Cretaceous Period. Pathologies observed in footprints have also provided unique data on extinct species' health and biomechanics. These discoveries, drawn from formations like the Mountain Park Member of the Gates Formation and the Wapiti Formation, are filling critical gaps in the skeletal record of terrestrial vertebrates. The study highlights the spatial distribution of tracksites, with older sites concentrated around British Columbia's Rocky Mountains and younger ones in the Foothills and Plains regions. This research underscores the importance of ichnology in understanding extinct animals' behavior and ecology, offering a more comprehensive picture than skeletal remains alone.
An Expanding Population of the Giant Liver Fluke (Fascioloides Magna) in Elk (Cervus Canadensis) and Other Ungulates in Canada
A resurgence of the giant liver fluke (Fascioloides magna) in the Canadian Rocky Mountain Parks, previously extirpated by the 1960s, has been documented through a two-decade study. The research, conducted between 1984 and 1991, revealed a significant increase in fluke prevalence among elk (Cervus canadensis), reaching near-universal infection rates (79–100%) by the late 1980s. Super-infections with over 100 flukes became more common, and transmission peaked in wet habitats during late summer to fall. While elk and white-tailed deer (Odocoileus virginianus) were primary hosts, moose (Alces alces) also showed high prevalence (52–63%), whereas mule deer (Odocoileus hemionus hemionus) had minimal exposure. The study highlights the fluke's adaptability and its potential to cause fatal infections, with at least seven elk deaths attributed directly to F. magna. The findings underscore the need for monitoring in UNESCO-listed areas where ecological shifts may facilitate parasite expansion.
Environmental constraints on Didymosphenia geminata occurrence and bloom formation in Canadian Rocky Mountain lotic systems
A study of Didymosphenia geminata, a diatom known for forming unsightly blooms in freshwater systems, found that while the organism is widespread across Canadian Rocky Mountain Parks, bloom formation is driven by local rather than regional factors. The research detected D. geminata at 88% of sampled sites, with 34% exhibiting visible blooms. Contrary to expectations, no environmental thresholds were identified for bloom development, though cell abundance was negatively correlated with stream velocity, stream order, and total phosphorus concentration. Temperature played a significant role in stalk abundance when blooms were present but showed a negative relationship with ash-free dry mass when blooms were absent. The study employed generalized linear models to analyze 76 sites across the parks, providing insights into the complex environmental constraints shaping D. geminata dynamics.
Assessing prehistoric genetic structure and diversity of North American elk (Cervus elaphus) populations in Alberta, Canada
Historic population declines and habitat loss nearly eradicated two North American elk subspecies, Rocky Mountain elk (Cervus elaphus nelsoni) and Manitoban elk (Cervus elaphus manitobensis), in Alberta, Canada. A study analyzing mitochondrial DNA from 50 ancient elk remains (2260 BCE to 1920 CE) revealed that while the genetic diversity of Manitoban elk was significantly reduced by these pressures, Rocky Mountain elk populations benefited from early 20th-century translocations from Yellowstone National Park. The research also found higher gene flow between the subspecies in the past compared to today, indicating they once formed a continuous population. This study provides critical baseline data for understanding the genetic impacts of historic declines and informs modern conservation efforts in Alberta.
Climber's Paradise
A century of advocacy and adventure by the Alpine Club of Canada (ACC) has shaped the Canadian Rocky Mountain Parks into a 'climber's paradise,' blending human activity with wild spaces. PearlAnn Reichwein's research, rooted in mountaineering experience and mountain culture studies, presents a novel framework for understanding these landscapes as interconnected systems. By integrating environmental history, public policy, sport studies, recreation, and tourism, the study offers a multidisciplinary perspective that challenges conventional narratives of development versus preservation. This work not only contributes to academic fields but also resonates with mountaineers, environmentalists, and travelers, providing a nuanced lens through which to view Canada's natural heritage.
Into the mountains and across the country: emergent forms of equine adventure leisure in Canada
This study reveals how equine adventure leisure serves as a transformative escape from societal power structures, illustrating its potential to redefine human-animal relationships and territorial experiences. By analyzing two historical case studies—Mary Shaffer’s early 20th-century journey into Jasper National Park and Barbara Kingscote’s post-WWII cross-Canada horseback trek—the research demonstrates how such adventures embody Deleuze and Guattari’s 'lines of flight,' enabling participants to challenge gender, class, and territorial norms. The findings highlight the emergence of a mutual ethics of caring between humans and horses, fostering new forms of dialogue and material alliances that transcend conventional social boundaries.
Second home leisure landscapes and retirement in the Canadian Rocky Mountain community of Canmore, Alberta
International second-home retirement markets differ significantly from domestic ones, leading to distinct ownership patterns, leisure behaviors, and planning needs. A study of Canmore, Alberta, a gateway to Banff National Park, used social surveys, multivariate analysis, and GIS visualization to reveal key landscape attributes and sociocultural amenities valued by both second-homeowners and the broader community. The research challenges assumptions about retirement migration in amenity-rich environments, providing insights into how group differences influence future second-home retirement planning in Rocky Mountain regions.
Conservation Offsets and Pipeline Construction: A Case Study of the TMX Anchor Loop Project
A pioneering conservation offset approach was successfully implemented to balance pipeline construction with ecological preservation in Canada's Jasper National Park and Mount Robson Provincial Park, part of the UNESCO World Heritage-listed Canadian Rocky Mountain Parks. The study found that cooperative engagement between industry (Terasen Pipelines/Kinder Morgan) and environmental stakeholders, alongside park managers, could yield net biodiversity benefits despite residual disturbances from infrastructure projects. This case demonstrates how conservation offsets—compensatory measures for unavoidable harm to biodiversity—can align conflicting interests and enhance environmental outcomes beyond traditional mitigation strategies. The analysis evaluates the adequacy of this approach and extracts lessons for future linear infrastructure projects.
Estimating Grizzly and Black Bear Population Abundance and Trend in Banff National Park Using Noninvasive Genetic Sampling
Grizzly bear populations in Banff National Park, Canada, are likely declining due to high human-caused mortality. A study using noninvasive genetic sampling—hair traps and bear rub surveys—estimated grizzly bear abundance at 73.5 (2006) and 50.4 (2008), with population growth rates (λ) of 0.93 for males and 0.90 for females, suggesting a stable but vulnerable population. Hair traps effectively detected female grizzlies and black bears, while bear rub surveys were more reliable for both male and female grizzlies. These findings highlight the potential of bear rub surveys as an efficient tool for monitoring grizzly bear populations in the Canadian Rockies.
Is diatom richness responding to catchment glaciation? A case study from Canadian headwater streams
A study on Canadian headwater streams revealed that diatom richness varies significantly with catchment glaciation, with glacial streams exhibiting lower species diversity compared to more distant sites. The research, conducted across the Coast Range and Rocky Mountains, identified pioneer taxa like Achnanthidium minutissimum as dominant in glacier streams, while subdominant taxa included rare arctic-alpine or high-altitude species. Cluster analysis distinguished glacier stream sites from downstream river segments, highlighting the impact of glacial conditions on diatom communities. The findings underscore the vulnerability of glacial streams to global change and their unique ecological characteristics.
Nest Site Characteristics and Nest Tree use by Northern Flying Squirrels (Glaucomys sabrinus) in Southwestern Alberta, Canada
Northern flying squirrels (Glaucomys sabrinus) in the Canadian Rocky Mountain Parks, particularly in Sheep River Provincial Park, Alberta, exhibit strong preferences for nest sites characterized by less canopy cover and a higher density of large snags. These findings suggest that populations of this secondary cavity-nesting species may be limited by specific habitat traits, especially in cold climates where nests serve critical functions such as thermoregulation and predator avoidance. The study analyzed nest tree use, revealing that flying squirrels predominantly occupy cavities within large snags and aspens (Populus tremuloides), with a marked selection for sites surrounded by fewer trees but more large snags compared to random locations. This research highlights the ecological constraints shaping the distribution of northern flying squirrels in cold-region ecosystems.
Population dynamics of the Lodgepole Needle Miner, Recurvaria starki Free. (Lepidoptera: Golechiidae) in Canadian Rocky Mountain parks
A warming climate trend in the late 1930s to mid-1940s triggered an outbreak of the lodgepole needle miner, Recurvaria starki, in Canada's Rocky Mountain Parks, which declined due to subsequent colder winters. Research since 1948 identified five critical mortality periods in its two-year life cycle, with extreme cold (-30°F to -40°F) suppressing populations more effectively than parasitism or other natural controls. Life table techniques revealed that defoliation peaked between 1940 and 1944, while population decline correlated with harsher winter conditions. The study suggests that prolonged outbreaks are unlikely in this region's severe climate, emphasizing the interplay between climatic factors and insect population dynamics.
Prevalence of Antibodies to Canine Parvovirus and Distemper Virus in Wolves in the Canadian Rocky Mountains
A high prevalence of antibodies to canine parvovirus (CPV) and distemper virus (CDV) was detected in wolves from Banff and Jasper National Parks, with 95% testing positive for CPV and 24% for CDV. The study found that older wolves (≥2 years) were more likely to have CPV antibodies, while male wolves, older individuals, and those near First Nation reserves showed higher CDV antibody prevalence. However, minimal evidence supported a strong link between human activity and pathogen exposure. These findings suggest that CPV and CDV could pose significant threats to wolf populations in the Canadian Rockies, mirroring patterns observed in Yellowstone National Park. The research analyzed 99 wolves sampled between 2000 and 2008, assessing antibody prevalence in relation to human influence, sex, and age.
Reconnection and reconciliation in Canadian Rocky Mountain Parks: Jasper National Park, Canada
Jasper National Park, part of the UNESCO Canadian Rocky Mountain Parks World Heritage site, stands out for its vast expanse (11,228 km²) and its role as a critical habitat for Rocky Mountain mammals such as caribou, grizzly bears, wolves, bighorn sheep, and mountain goats. It also safeguards the headwaters of major rivers like the Athabasca, contributing to Canada's ecological and hydrological heritage. The park exemplifies the unique physical and biological features of the Rocky Mountain Biogeographical Province, while adjacent fossil sites in Yoho and Mount Robson Provincial Parks provide invaluable insights into Earth's evolutionary history. Additionally, its glacial geological processes, including ice fields and remnant valley glaciers, offer exceptional examples of erosion and deposition, underscoring its significance as a natural laboratory for studying both biodiversity and geological dynamics.
Biogeochemical responses of two alpine lakes to climate change and atmospheric deposition, Jasper and Banff National parks, Canadian Rocky Mountains
Alpine lakes in the Canadian Rocky Mountain Parks exhibit distinct biogeochemical responses to climate change and atmospheric deposition, revealing varied ecological impacts over the past 500 years. Curator Lake in Jasper shows strong sensitivity to thermal stratification driven by warming, with no significant changes in reactive nitrogen (Nr) cycling. In contrast, McConnell Lake in Banff demonstrates a complex response mediated by glacial activity and Nr inputs, underscoring the diverse limnological effects of abiotic stressors on similar ecosystems. The study combines paleoecological measures—such as primary production and diatom community structure—with geochemical proxies to trace these changes, providing critical insights into the ecological footprint of recent environmental transformations in mountain park environments.
Evaluating terrestrial-aquatic linkages in the Canadian Rocky Mountains: Eiffel Lake and Sentinel Lake, Banff National Park
A study on Eiffel Lake and Sentinel Lake in Banff National Park found no strong direct link between phosphorus-rich pollen input from advancing timberlines and lake productivity, though a delayed response was observed in Eiffel Lake. Researchers analyzed frozen and freeze-dried sediment samples to assess pollen preservation, discovering that storage methods did not significantly affect pollen grain integrity. While pollen ratios suggested recent timberline advance for Eiffel Lake, they were unreliable indicators for Sentinel Lake. The research highlights the need for further investigation into how pollen accumulation rates may influence lake productivity as climate-driven vegetation changes progress.
Negligible soil erosion in a burned mountain watershed, Canadian Rockies: field and modelling investigations considering the role of duff
A high-intensity crown fire in Kootenay National Park, British Columbia, resulted in negligible soil erosion (10–1 to 100 t ha⁻¹) in the immediate post-wildfire years, contrary to documented trends. The study attributes this to remnant duff—a layer of decomposed organic material—that persisted after the fire. Duff acts as a hydrological buffer, absorbing rainfall and preventing overland flow, while also physically protecting soil from erosion. Using the Green–Ampt model, researchers demonstrated that duff's high porosity and water storage capacity effectively mitigate erosional impacts during rainstorms. This finding challenges assumptions about post-wildfire erosion dynamics in subalpine forests and underscores the role of organic layers in stabilizing watersheds.
The Private Sector on Public Land: Policy Implications of a SWOT Analysis of Banff National Park
A SWOT analysis of Banff National Park reveals that the coexistence of private sector businesses and protected wilderness is not only feasible but also beneficial for nature-based tourism and local services. The study highlights key strengths, such as economic growth and job creation, while identifying challenges like regulatory constraints and sustainability concerns. It provides actionable policy recommendations to balance commercial activities with conservation goals, ensuring long-term viability for both the park's ecosystem and its economy.
A new Burgess Shale–type assemblage from the “thin” Stephen Formation of the southern Canadian Rockies
Researchers have discovered a new Burgess Shale-type fossil assemblage in the 'thin' Stephen Formation near Stanley Glacier, Kootenay National Park, Canada. This marks the first finding of such fossils in this formation, expanding the known temporal and geographic range of the Burgess Shale biota. Unlike previous discoveries linked to paleotopographic features like the Cathedral Escarpment, this assemblage was preserved in a distal ramp setting without evidence of an escarpment. The low-diversity assemblage includes eight new soft-bodied taxa, notably the anomalocaridid Stanleycaris hirpex n. gen., n. sp., and suggests restrictive paleoenvironmental conditions. The study implies that similar assemblages may be common in the regionally widespread 'thin' Stephen Formation.
Ecology & Wonder in the Canadian Rocky Mountain Parks World Heritage Site
The Canadian Rocky Mountain Parks World Heritage Site is celebrated for its ecological diversity and natural wonders, with notable features such as Cave and Basin, Chaba Imne (lake), and the region's unique climate. This study highlights the intricate relationships between geological formations, aquatic ecosystems, and climatic conditions that define the area's biodiversity. The research approach integrates field observations, ecological mapping, and climate analysis to provide a comprehensive understanding of the site's environmental dynamics. Emphasis is placed on the interplay between physical landscapes—such as cave systems—and their biological significance, offering insights into the conservation of this globally significant region.
From Big Bad Wolf to Ecological Hero:Canis Lupusand the Culture(s) of Nature in the American–Canadian West
Wolves (Canis lupus) have undergone a dramatic shift from being viewed as devils to ecological heroes in the Canadian Rocky Mountain Parks, reflecting broader changes in wilderness conservation and frontier narratives. This study compares attitudes toward wolves across Yellowstone, Glacier, Banff, and Jasper National Parks over the past century, highlighting how policies and cultural perceptions of nature have evolved transnationally. By adopting a borderlands approach, it underscores the importance of considering wolves' natural roaming patterns rather than political boundaries when studying their ecological and symbolic significance in the American-Canadian West.
Geology, Miette, Alberta
A notable geological discovery within the Miette map-area of the Canadian Rocky Mountain Parks reveals unique east-dipping thrust fault slices, formed by backward rotation of thrust masses—a rare structural feature. This area, spanning parts of Jasper National Park, showcases Lower to Upper Paleozoic carbonate strata in the Front Ranges and Mesozoic clastic strata in the Foothills, characterized by broad folds and classic superimposed thrust duplexes. The study also highlights the Miette Reef Complex, a well-preserved Devonian carbonate reef with petroleum potential, analogous to subsurface reefs in the Western Canada Sedimentary Basin. Decades of fieldwork, including revisits from 1958–2004 by Dr. Eric W. Mountjoy and colleagues, elucidated these structures and stratigraphy through traditional methods like tent camps, horses, and foot traverses, supplemented by air photographic studies.
Selenium dynamics in Canadian Rocky Mountain lakes
Selenium (Se) concentrations in lakes within Banff National Park and Kananaskis Country, Alberta, exceed toxic thresholds for birds and fish, posing risks to wildlife and human consumers. Sediment Se levels at certain depths surpass recognized limits for reproductive impairment, while water concentrations spike above USEPA guidelines during spring melt runoff. Aquatic invertebrates exhibit Se levels that could harm fish and bird predators, with all sampled fish species showing Se concentrations dangerous to avian consumers—most exceeding thresholds for negative impacts on wildlife and humans. Notably, Se in some fish species has risen significantly over the past 6–16 years, correlating with growth rate, age, weight, trophic position, and vegetation type. These findings underscore the need for consumption advisories in affected lakes and further investigation of Se levels across the region.
The efficacy of the World Heritage Convention as a planning tool for the rigorous protection of natural sites
The World Heritage Convention, while not providing the rigorous protection advocated for natural sites like Canada's Rocky Mountain Parks, offers more advantages than disadvantages. It confers prestige and international recognition, reduces susceptibility to political or financial expediency, and provides informal monitoring by the IUCN. The Convention also leverages global attention and potential delisting threats to ensure durable protection of significant sites. This study evaluates its efficacy against ten criteria, including permitted activities, inclusiveness of designation purposes, strength of protection, and implementability. It highlights that while the Convention allows some resource extraction and motorized recreation, it remains a valuable tool for international advocacy, particularly for developed nations in protecting globally significant biomes.
The role of Parks Canada in the management of large mammal populations in Banff, Jasper, Yoho and Kootenay National Parks (the Rocky Mountain Parks)
Parks Canada's management of large mammal populations in the Canadian Rocky Mountain Parks (Banff, Jasper, Yoho, and Kootenay) prioritizes human recreation over scientific wildlife conservation. A 2010 study found that these parks lack the characteristics of true wildlife reserves necessary for effective large mammal management programs. While the research outlines criteria for successful mammal management and evaluates Parks Canada's current practices against these standards, it concludes that minimal scientific mammal management occurs in these areas. Instead, efforts are largely focused on balancing human activities with wildlife coexistence. The study recommends improvements to align management strategies more closely with conservation goals.
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