Scotland’s biodiversity: people, data and monitoring



Project Lead
Challenges
Worldwide biodiversity is in decline. It is crucial that it is conserved and restored to ensure that the world’s natural capital is still available for human use in the long term as well as for its intrinsic value. The UK and Scotland have committed to global agreements, such as the Convention on Biological Diversity in response. Whilst Scotland is no longer part of the European Union, the legal frameworks surrounding the Birds Directive and Habitats Directive have been incorporated into law and stand alongside other legislation. These commitments have been brought together and operationalised as the Scottish Biodiversity Strategy.
To deliver on the targets of the Scottish Biodiversity Strategy there is a necessity to have accurate and current information on the status and trends of species in Scotland. This encompasses the basic question of what biodiversity Scotland has and which components Scotland has global responsibility for. It also requires an understanding of what is driving changes in biodiversity so that policies can be targeted appropriately to reduce pressures. This understanding must apply at a range of scales; a national focus is necessary to get an overall picture of trends, but more detailed work is also necessary to understand the specific issues associated with the conservation of habitats and species.
Questions
Solutions
This project aims to help protect Scotland’s share of global biodiversity by optimising people’s skills, data, and technologies to ensure effective recording and monitoring techniques and data flows.
Creating a Biodiversity Inventory of Scotland
Scotland has a rich variety of species, habitats, and landscapes. However, creating a comprehensive and balanced inventory of Scotland's biodiversity has been hindered by several issues. Currently, our knowledge and data on UK biodiversity mainly focus on culturally important species like birds, mammals, and higher plants, while information on species that provide crucial ecosystem services is limited. Similarly, accessible habitats and biodiversity hotspots are relatively well explored, while biodiversity in remote or inaccessible areas is not well known.
To overcome these challenges, we are collaborating with the National Biodiversity Network to understand the current state of knowledge, identify knowledge gaps, and find solutions. Without a comprehensive inventory, the distinctiveness of Scottish biodiversity can only be evaluated based on culturally important species and a few well-studied groups. This lack of data also hinders national and international comparisons. However, the use of new environmental DNA techniques is rapidly changing this situation, making it possible to study soil biodiversity communities. We are collecting existing data and generating new data to compare important functional groups and focus on soil biodiversity groups in unexplored habitats, which are expected to support unique species.
Improved reporting
There is a long tradition of volunteer-based biological recording in the UK and the use of citizen science data is increasingly used to underpin and support policy and management decisions. We are also developing and trialling novel ways of improving the reporting of species trends and their relationships with habitats, so reporting can be designed to increase proportionate and targeted action. This includes improving our understanding of terrestrial species indicator trends by taking a habitat focussed approach; exploring forms of reporting infrastructure that could enhance reporting; and setting up a biological recording infrastructure group to work closely with NatureScot and other stakeholders to improve data flows in biological recording. We review and report on methods and approaches that have been used to survey mountain hares and scientific manuscripts on the soil biodiversity associated with all 282 Munro mountains in Scotland.
Novel Methods for Monitoring Biodiversity Trends
We are testing, validating, and extending a set of farmer/crofter-led monitoring protocols that have been developed by NatureScot. These monitoring protocols have been designed to enable self-assessment of on-farm biodiversity resulting from management interventions designed to enhance biodiversity and agroecosystem services. The resulting scores feedback into a new outcomes-based payment system. We are mapping the existing scorecard metrics to key ecosystem services and identifying gaps in the matrix that require additional measures; assessing the quality of data collected by farmers through the scorecard system, and quantifying the relation between scores and biodiversity-driven agroecosystem services by comparing scorecard data against the extensive long-term datasets on agroecosystem function; and evaluating the scalability of the metrics from farm to landscape concerning natural capital and providing simple, generic metrics and indicators of ecosystem goods and services that can be rolled out 2025. This activity links to Achieving Multi-Purpose Nature-Based Solutions project where biodiversity monitoring approaches will be applied to assess multiple benefits of National Flood Management.
Progress
2023 / 2024
Biodiversity data analysis: Using distribution data from the National Biodiversity Network (NBN), the team has completed initial comparisons and identified where more detailed modelling is possible. However, some datasets, particularly for fungi, are recorded at too coarse a scale to be useful for habitat-level modelling. Comparisons between NBN and specialist datasets are now complete for lichens and selected insect groups.
Improving biodiversity reporting: A paper has been submitted on the challenges of assigning species trends to habitats. The team contributed to Scotland’s State of Nature reports and is working closely with RSPB on their review and future reporting projects. The project is also now a partner in the Better Biodiversity Data initiative and a member of the Scottish Biodiversity Information Forum Advisory Committee.
Citizen science in the mountains: The Mountain Heights, Hidden Depths project has been launched to study soil biodiversity in Scotland’s alpine habitats. Volunteers are helping collect soil samples from Munros, building on a successful pilot with Plantlife in 2021. Public enthusiasm was huge, over 400 volunteers signed up in just two weeks, with all 215 Munros adopted. In summer 2023, samples were collected from 115 summits, bringing the total sampled to 170 so far. These samples are being analysed for DNA, soil chemistry, and vegetation, with the aim of reaching 270 Munros by summer 2024. Volunteers also submitted photos, adding valuable context to the data. Explore the project here.
Supporting farmers: A new interactive dashboard has been created using long-term data from the Centre for Sustainable Cropping. This tool will help farmers see how different crop management practices affect soil health and biodiversity, supporting more sustainable decision-making.
2022 / 2023
Biodiversity inventory: Work continues to update Scotland’s biodiversity inventory, identifying gaps by comparing current data with the last full inventory. Case studies on fungi, lichens, and insects are being used to fill in missing information. New analyses are underway combining fungal and lichen records with land use, woodland cover, climate, and nitrogen deposition data. A scientific paper comparing fungal diversity in Scotland and Scandinavia is nearing completion.
State of Nature collaboration: The team is working closely with the State of Nature community to improve biodiversity indicators. Current efforts include refining how species trends are calculated and exploring better ways of presenting data, such as dashboards that make key metrics accessible in both static and interactive formats.
Wildlife monitoring tools: DNA-based methods for monitoring mountain hares have been successfully validated using both tissue and pellet samples, improving the tools available for wildlife conservation.
Farmland biodiversity indicators: In partnership with NatureScot, a set of indicators has been created to measure how management practices affect farmland biodiversity. These include scorecards that help assess field margin biodiversity in arable systems, tested at the James Hutton Institute’s long-term Centre for Sustainable Cropping. Feedback is feeding into new plans for a wider biodiversity audit. A handbook for monitoring biodiversity and soil health has also been produced, forming the basis of a new toolkit and dashboard for farmers.
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