Publications
Arcopotamonautes johnstoni
A comprehensive rediagnosis of the freshwater crab species Arcopotamonautes johnstoni, endemic to Kilimanjaro National Park and surrounding regions, reveals distinct morphological traits that differentiate it from previously synonymized taxa. The study, based on extensive examination of type material and specimens from Tanzania and Kenya, clarifies its taxonomic status by analyzing carapace structure, sternal features, chelipeds, and male gonopods. A. johnstoni is characterized by a sharp-edged postfrontal crest, smooth branchiostegite regions, and unique gonopod morphology, including a U-shaped dorsal membrane in the distal end of G1 SA. The species exhibits a wide adult size range (69.0–84.0 mm carapace width) and occupies year-round streams and rivers in high-altitude forested areas, though its area of occupancy is smaller due to seasonal water availability in savanna regions. While currently listed as Least Concern on the IUCN Red List, long-term habitat threats from human population growth pose potential risks. This research resolves taxonomic ambiguities and provides critical baseline data for future conservation efforts.
Interplays between nature’s contributions to people, values of nature, and emotions expressed by smallholder farmers in Kilimanjaro, Tanzania: insights for inclusive conservation
Smallholder farmers' relationships with nature in Kilimanjaro National Park reveal three distinct emotional, value-based associations that challenge traditional conservation paradigms. The study identifies a link between unpleasant emotions and material/regulating benefits below the park's border, contrasting with pleasant emotions tied to non-material contributions and relational values (e.g., sense of place) in homegardens. A third pattern connects instrumental and relational values with social cohesion across all farmers. These findings underscore the need for inclusive conservation strategies that recognize diverse human-nature interactions, reduce access restrictions, and expand benefit-sharing mechanisms beyond material gains.
Understanding the multidimensionality of the Kilimanjaro social-ecological system: insights for building desirable futures
This interdisciplinary study reveals that enhancing access to Kilimanjaro National Park for local actors and integrating traditional agroforestry can significantly increase multifunctionality, defined as the balance between Nature's Contributions to People (NCP) supply and demand. The research demonstrates that desirable futures for the Kilimanjaro social-ecological system require local agency and polycentric governance, combining national commitments like land-use planning with local collective actions such as restoration programs. By integrating multiple forms of knowledge—scientific, local, and experiential—the study provides a quantitative, holistic approach to addressing trade-offs between human needs and ecosystem functions, offering actionable insights for sustainability in complex social-ecological systems.
Broadening the Justifications for Inclusive Conservation: Values Associated With Nature's Contributions to People
A study on Kilimanjaro National Park reveals that combining the Nature's Contributions to People (NCP) and plural valuation frameworks provides deeper insights into people-nature relationships, crucial for inclusive conservation. Researchers identified five distinct clusters of NCP preferences among 623 participants—farmers, conservationists, tour guides, and tourists—each exhibiting unique intrinsic, instrumental, and relational values. This approach better captures the multidimensionality of these relationships compared to using either framework alone. The findings underscore the need for diversified, place-based conservation strategies that balance biodiversity protection with ecosystem functioning while recognizing diverse human values.
Broadening the Justifications for Inclusive Conservation: Values Associated With Nature’s Contributions to People
A groundbreaking study on Kilimanjaro National Park reveals that combining intrinsic, instrumental, and relational values is crucial for inclusive conservation. Researchers identified five distinct clusters of people with shared preferences for Nature's Contributions to People (NCP), each expressing varying degrees of these values. This integrated approach provides pivotal insights into the multidimensionality of human-nature relationships, offering a more nuanced understanding than either framework alone. The study underscores the importance of diversifying place-based conservation strategies within social-ecological systems to balance biodiversity protection with ecosystem functioning. Conducted through 623 surveys involving farmers, conservationists, tour guides, and tourists, this research highlights the need for inclusive approaches that recognize diverse values associated with NCP preferences.
Community Perceptions on Conservation, Livelihood Vulnerability and Quality of Life Around Tanzania’s Kilimanjaro National Park
A study on Kilimanjaro National Park reveals that improved quality of life correlates with stronger conservation attitudes, particularly among highly vulnerable communities. The research found that as livelihood vulnerability decreases, the relationship between quality of life and conservation support weakens. This suggests that targeted development efforts could enhance both conservation outcomes and community well-being. The findings were derived from a questionnaire survey across four villages bordering the park, analyzed using partial least square structural equation modeling.
Plant Species Composition, Richness, and Diversity in Areas Invaded by Non-Native Plants in the Lower Montane Forest of Kilimanjaro National Park, Tanzania
Invasive non-native plants significantly reduce plant species diversity and density in the lower montane forests of Kilimanjaro National Park, Tanzania. Research found that natural forests exhibit the highest species richness (13.8 ± 1.7) and tree density (774 ± 111 stems/ha), while areas invaded by Black Wattle (Acacia mearnsii), Mexican weeping pine (Pinus patula), or Eucalyptus spp. show marked declines in both metrics, with P. patula sites having the lowest density (12.7 ± 6.9 stems/ha). The study, conducted across 60 plots at four sites, identified 168 plant species but highlighted the negative impact of invasive species on native biodiversity. Sustainable management strategies, including invasive species control and forest enrichment, are recommended to mitigate these effects.
Population Patterns and Environmental Determinants of Warburgia ugandensis (Sprague) in Northern Tanzania
Warburgia ugandensis, a medicinal tree native to East Africa, faces declining populations due to unsustainable harvesting and habitat degradation. A study across northern Tanzania's mountainous regions revealed that its population density varies significantly with land use and elevation, with forest reserves and higher elevations (2001–2500 m a.s.l) supporting the highest densities. Environmental factors such as temperature, soil organic carbon, pH, and nitrogen were found to be critical determinants of its distribution. Spatial mapping identified population hotspots around Mt. Kitumbeine and Mt. Kilimanjaro, emphasizing these areas as priorities for conservation. The findings underscore the need for targeted management strategies that consider both environmental parameters and land-use types.
Soil Seed Bank Composition and Diversity in Areas Invaded with Invasive Alien Species in the Lower Montane Forest of Kilimanjaro National Park, Tanzania
A study on Kilimanjaro National Park reveals that soil seed banks in lower montane forests invaded by alien species are rich in non-woody and a few woody species, with the highest density found in areas dominated by Pinus patula. The research, comparing five sites—four invaded by distinct invasive species (Acacia mearnsii, Cupressus lusitanica, Eucalyptus spp., and P. patula) and one natural forest—used a seedling emergence method to assess seed density across three soil depth classes. Findings indicate that topsoil (1–5 cm) harbors significantly more seeds than deeper layers, while invasive species like A. mearnsii, P. patula, Grevillea robusta, and Poa annua dominate the seed bank. This suggests that forest restoration efforts must consider both persistent soil seed banks and external dispersal mechanisms alongside reforestation techniques.
Support for large-scale tourism infrastructure projects: porters’ reactions to the proposed cable car development on Mount Kilimanjaro National Park in Tanzania
A proposed cable car development on Mount Kilimanjaro could face significant opposition from porters, who are at risk of losing not only economic benefits but also their identity and standing within their communities. This study reveals that porters' risk aversion extends beyond financial concerns to include psychological, social, and political empowerment. Using a mixed-method approach grounded in Prospect theory and Weber’s Theory of Formal and Substantive Rationality, researchers analyzed how these stakeholders perceive the trade-offs associated with large-scale tourism infrastructure projects. The findings underscore the need for countries considering such developments to carefully evaluate their broader implications on stakeholders' livelihoods and social dynamics.
The impacts of community-based tourism on local livelihoods in communities adjacent to national Parks in Northern Tanzania
Community-based tourism (CBT) significantly boosts local livelihoods, with 48% of respondents reporting improvements and 56% engaged in CBT-related activities earning between 100,000 and 500,000 Tanzanian Shillings monthly. The study, involving 384 households near Tanzania's national parks, identified diversity of CBT activities, type of employment, and increased income as key predictors of participation. However, challenges such as limited community capacity, poor infrastructure, and weak governance hinder its effectiveness. Recommendations include targeted capacity building for women and youth, inclusive governance, equitable benefit-sharing policies, and global promotion of local initiatives to enhance sustainability and fairness.
The Influence of Environmental and Disturbance Factors on Plant Species Diversity, Composition, and Distribution in the Lower Montane Forest of Kilimanjaro National Park, Tanzania
A study on the lower montane forest of Kilimanjaro National Park, Tanzania, reveals significant variations in plant species diversity and distribution across its western, southern, and eastern slopes. The research identifies soil pH, calcium content, clay content, potassium levels, carbon-nitrogen ratio, and silt as key environmental factors influencing plant community composition. Using Canonical Correspondence Analysis (CCA) on data from 65 plots along 13 transects, the study found a strong gradient between these soil characteristics and plant diversity, with the western slopes exhibiting the highest species richness at an average of 17.44 species. These findings provide critical insights for the conservation and restoration efforts in this unique ecosystem.
Tourism-driven livelihood dynamics: A comprehensive empirical study of Mount Kilimanjaro National Park communities in Tanzania
A comprehensive empirical study of Mount Kilimanjaro National Park communities reveals that tourism significantly influences local livelihoods, with socioeconomic factors such as sex, age, household size, and access to credit playing pivotal roles. The research highlights that specific tourism activities like accommodation services, handcrafts, catering, and tour guiding have varying impacts on household food security, income, and access to social services. Challenges such as education levels, information gaps, service quality, cultural barriers, financial costs, government policies, competition, resource monopolization, corruption, and infrastructure deficiencies hinder community participation in tourism activities. The study recommends investments in skill development, infrastructure, cultural preservation, financial inclusion, regulatory frameworks, and community awareness programs to foster sustainable geotourism and uplift local livelihoods. Policymakers are urged to implement these strategies to promote the well-being of Mount Kilimanjaro National Park communities.
Eco‐parcel: An approach to identify and describe attractions to support adapting nature‐based tourism destinations to climate‐change impacts
The eco-parcel approach offers a novel method to assess how individual tourist attractions in nature-based destinations, such as Kilimanjaro National Park, respond to climate change. This approach involves three key steps: identifying and defining attractions, linking them to supporting ecosystems using land cover data, and evaluating the importance of discrete landscape patches (eco-parcels) for tourism. By employing literature reviews, tourist preference surveys, and GIS techniques, the method provides destination-specific insights into potential losses or gains due to climate change. This tool aids in developing targeted climate adaptation strategies for nature-based tourism, ensuring resilience against environmental impacts.
Not only Adventurous but also Leisure: Re-defining Tourism in Tanzanian Mount Kilimanjaro National Park
Mount Kilimanjaro, Africa's highest peak, holds diverse attractions across its altitudinal gradients that can appeal to a broader range of tourists beyond just adventurous ones. Research reveals unique experiences at different elevations: leisure and acrophobic tourists enjoy endemic forest flowers and wildlife between 1800-2800 meters above sea level (masl), while floristic tourists appreciate giant groundsels like senecio and lobelia, along with the Shira Plateau, from 2800 to 4000 masl. Semi-adventurous visitors are drawn to distinctive rock formations resembling a cathedral or turtle at 4000-5000 masl, while adventurers seek the summit's dazzling stars and tropical snow above 5000 masl. This diversification of attractions could significantly increase tourism numbers and revenue, suggesting that marketing mountains as not only adventurous but also leisure destinations may be a viable strategy for tourism planners.
Using Local Ecological Knowledge to Inform Grey Crowned Crane Distribution and Status in Tanzania
Local ecological knowledge reveals that Grey Crowned Cranes (Balearica regulorum) are more likely to be sighted in less populated areas with abundant grasslands, particularly outside protected zones like Kilimanjaro National Park. While seasonal wetlands are crucial habitats, degraded wetlands may negatively impact crane observations. The study, conducted through 560 surveys across 41 villages in Tanzania from 2015–2016, found regional variations in crane sightings, with higher reports during the wet season in some areas but year-round presence in others. Breeding activity was rare, except in Kilimanjaro where chick sightings were notably high. The research highlights the cost-effective potential of local knowledge for conservation while emphasizing the need for additional field monitoring to validate findings.
Assessment of plant species composition and natural regeneration in abandoned settlements in the lower montane forest of Kilimanjaro National Park, Tanzania
Abandoned settlements within Kilimanjaro National Park show significant potential for natural forest regeneration, driven by resilient plant species such as Vernonia lasiopus and Bothriocline longipes. These species play a crucial role in restoring microclimate conditions and soil fertility, essential for forest recovery. The study, conducted across four zones—former settlement, former cultivation, transition, and natural forest—revealed that while tree species richness was highest in the natural forest (11 ± 1 per plot), anthropogenically impacted areas exhibited early-stage succession with adequate regeneration patterns. Passive management by the park appears to facilitate this recovery, highlighting the high resilience of montane forests post-disturbance. The findings underscore the importance of monitoring future ecological succession and the effectiveness of conservation strategies in such sensitive ecosystems.
Is the southern patas monkey Erythrocebus baumstarki Africa's next primate extinction? Reassessing taxonomy, distribution, abundance, and conservation
Africa's southern patas monkey, Erythrocebus baumstarki, faces imminent extinction due to an 85% decline in its historic range and habitat loss. Once spanning approximately 66,000 km², its current distribution is confined to about 2150 km² within the western Serengeti, with fewer than 200 individuals remaining. The species was extirpated from Kenya by 2015 and Tanzania's Kilimanjaro region by 2011. This study reassesses its taxonomy, distribution, and conservation status using literature reviews, museum specimens, fieldwork, and citizen science data, highlighting rapid population decline driven by human encroachment, habitat fragmentation, poaching, and climate change. Urgent conservation action is recommended to mitigate threats and prevent extinction.
Surviving Amidst COVID-19 Economic Impacts in Tanzania: Learning from Porters and Guides at Kilimanjaro National Park
COVID-19 severely disrupted Tanzania's tourism sector, which employs over one million people, including porters and guides at Kilimanjaro National Park. The pandemic led to a sharp decline in visitor numbers, drastically reducing incomes for these workers, who rely on seasonal employment. Despite this, the study found that porters and guides employed survival strategies such as personal savings, support from former tourists, subsistence farming, and alternative employment to mitigate economic hardship. These adaptations highlight their resilience but also underscore the need for better preparedness against future disruptions in the tourism industry.
Geotourism, Iconic Landforms and Island-Style Speciation Patterns in National Parks of East Africa
East Africa's national parks, renowned for their iconic landforms and biodiversity, showcase remarkable geotourism potential shaped by the East African Rift System. The study highlights how rifting and volcanism, primarily Late Cenozoic phenomena, have dissected older plateaus, creating spectacular landscapes such as ribbon lakes, calderas, and free-standing mountains like Kilimanjaro and Mount Kenya. This geological activity has also driven rapid Darwinian evolution over the past 30 million years, leading to island-style speciation patterns despite the continental setting. The research emphasizes the significance of these processes in shaping both the region's geology and its unique biodiversity, including the endangered Mountain gorilla.
Climate Change Adaptation and Tourism: Towards Sustainable Tourism development in Kilimanjaro National Park Mountain, Tanzania
Climate change significantly impacts tourism resources in Kilimanjaro National Park (KINAPA), Tanzania, with a strong correlation of 4.705 between climate change severity and resource availability. The study identifies key adaptation strategies such as afforestation, eco-tourism, green tourism initiatives, loan provision for sustainable practices, environmental conservation projects, and education campaigns. These measures aim to mitigate climate impacts while fostering sustainable tourism development. The research employed a cross-sectional design with interviews, observations, and documentary reviews involving 90 respondents from adjacent villages over one month. Findings highlight the need for collaborative efforts among stakeholders to strengthen underutilized adaptation strategies, ensuring long-term resilience in KINAPA's tourism sector.
Forty Years of Climate and Land-Cover Change and its Effects on Tourism Resources in Kilimanjaro National Park
Climate change over the past four decades has significantly altered trekking conditions and sightseeing opportunities in Kilimanjaro National Park. Higher temperatures and reduced rainfall have decreased risks of landslides, rockfalls, and altitude sickness, improving physical trekking conditions. However, these changes have also led to a decline in wildlife, waterfalls, and snow cover, which are key attractions for tourists. While the loss of snow may initially boost 'last chance tourism,' long-term impacts could reduce visitation. The study suggests that proactive management of expanding heathlands is crucial to mitigating these losses. Researchers used a hazard-activity pairs approach to analyze the interplay between environmental changes and tourism activities, providing insights into the complex relationship between climate change and tourism sustainability.
Economic Valuation of Recreation Use Value of Kilimanjaro National Park, Tanzania
Kilimanjaro National Park's recreation value is estimated at USD 193.9 million annually, with a revenue-maximizing entry fee of USD 55.8 per visitor. Using the Travel Cost Method, researchers analyzed data from 384 visitors to determine consumer surplus and willingness-to-pay, revealing significant influences of travel costs, income, age, employment status, and service quality on visitation duration. The study highlights the need for economic valuation research to guide sustainable management and resource allocation in national parks.
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