Publications
From landscapes to freshwater invertebrates: understanding the effects of peatland restoraiton on Atlantic Salmon (Salmo salar) habitat in the Flow Country.
Well-managed peatland restoration does not cause lasting harm to freshwater ecosystems, even when short-term water quality challenges arise. A study in the Flow Country, a UNESCO World Heritage Site spanning 400,000 hectares of peat bog, found that forest-to-bog restoration efforts led to temporary changes in water quality—such as nutrient levels and dissolved organic carbon—in smaller streams over the first three years, but these effects diminished over a decade. No significant ecological impacts on macroinvertebrates or Atlantic salmon populations were detected, and larger rivers maintained high water quality standards due to downstream dilution. The research highlights the importance of adaptive management and long-term monitoring in restoration projects, while also emphasizing climate change as a critical threat to cold-adapted species like salmon.
Bird assemblage changes on peatland affected by large-scale non-native afforestation in the Flow Country (Scotland)
Large-scale non-native afforestation in Scotland's Flow Country has significantly altered bird assemblages, replacing diverse open-bog species with less conservation-valued woodland specialists. A synthesis of existing research reveals that while 33 species, including five Red-listed birds, benefit from plantations of lodgepole pine and Sitka spruce, they are outweighed by the loss of 27 open-bog species, 11 of which are also Red-listed. These changes stem from habitat transformations, competition dynamics, and edge effects. The study underscores the need for strategic woodland planting to mitigate biodiversity loss while addressing climate challenges, advocating for preserving naturally open habitats and prioritizing reforestation in formerly forested areas.
Breeding Common Scoters Melanitta nigra in Scotland’s Flow Country: a population in decline despite productivity being stable
Despite a significant 44% decline in the Common Scoter population across Britain and Ireland from 2002 to 2023, breeding productivity in Scotland’s Flow Country remained stable, averaging 0.44 large ducklings per female annually. This stability suggests that the population decline is not driven by local breeding conditions but likely occurs outside the breeding region. The study, which surveyed 32 breeding sites biannually over 22 years, found no correlation between higher productivity and increased breeding females in subsequent years. To address this decline, researchers recommend removing non-native forestry plantations to reduce predation pressure on ground-nesting species and maintaining lake habitat quality with shallow water and abundant invertebrates.
Knockfin Heights: a high-altitude Flow Country peatland showing extensive erosion of uncertain origin
A high-altitude peatland at Knockfin Heights in Scotland's Flow Country exhibits significant erosion, with 10.5% of the area covered by bare peat and a notable increase in pool fullness from 30-60% (1946–2005) to 75% in 2016. This suggests potential spontaneous recovery, challenging the necessity for active restoration management. The study used ground surveys (2005) and aerial photographs (1946–2016) to measure bare peat extent and pool fullness, respectively. While erosion causes remain uncertain—ranging from human activity to natural processes—the findings imply that some eroded peatlands may recover without intervention. Further research is recommended to clarify erosion trajectories and causes over the next decade.
Long-Term Peatland Condition Assessment via Surface Motion Monitoring Using the ISBAS DInSAR Technique over the Flow Country, Scotland
Research demonstrates the potential of the Intermittent Small BAseline Subset (ISBAS) technique to monitor long-term surface motion over peatland areas, offering a new tool for assessing peatland condition. Unlike traditional InSAR methods, ISBAS can effectively measure surface motion in vegetated and less coherent environments like peatlands. The study applied this technique to the Flow Country in Scotland using ERS C-band (1992–2000) and Sentinel-1 C-band (2015–2016) satellite data, identifying subsidence patterns linked to land cover and use. While ISBAS measurements aligned with ground data trends, uncertainties in magnitude and direction were noted. The findings suggest that ISBAS could be a valuable method for tracking peatland degradation or recovery, though further validation is required.
Net ecosystem exchange from two formerly afforested peatlands undergoing restoration in the Flow Country of northern Scotland
Northern peatlands, crucial for global carbon regulation, have been significantly altered by land-use changes, particularly through afforestation with non-native conifers. This study presents the first year-round assessment of net ecosystem CO2 exchange (NEE) from two peatlands in Scotland's Flow Country undergoing restoration, comparing them to a near-pristine site. The older restored site (16 years post-restoration) functioned as a carbon sink, similar to pristine peatlands, while the younger site (10 years) remained a source. These findings highlight the variable timescales of peatland recovery and underscore the importance of long-term monitoring in restoration efforts.
The Flow Country Peatlands of Scotland: FOREWORD
The Flow Country, a vast expanse of blanket peatland spanning 4,000 km² in northern Scotland, stands out as Europe's largest blanket mire and the UK's single largest terrestrial carbon store. This unique ecosystem, crucial for biodiversity, supports a rich suite of breeding birds and Arctic species, with over 1,300 km² designated under Natura 2000 sites, including the UK's largest Special Area of Conservation (SAC). The study highlights its exceptional conservation value, emphasizing its ecological significance and potential World Heritage Site status. The research approach combines ecological surveys and carbon storage assessments to underscore the region's global importance.
You are here:
World Heritage Explorer > World Heritage Research > World Heritage Sites > The Flow Country