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Geographical analysis (GIS) of agrarian landscapes (i. e. for further development of the official register of regionalized small features; habitat analysis)
Project
Project code: JKI-SF-08-0019
Contract period: 01.01.2009
- 31.12.2019
Purpose of research: Inventory & Assessment
Based on the ecological concepts of recovery and recolonization, the capability of non-target organisms to regenerate from adverse affects due to pesticide spray drift depends on the amount of natural habitats and the intensity of agriculture in a landscape. Since 2002 regionalized label requirements concerning off-target pesticide spray drift are part of the risk management in Germany. The proportion of semi-natural and extensively used habitats in agrarian landscapes within 13'000 administrative communities are assessed in a GIS-based landscape analysis. Whereas low drift nozzles requirements are not regionalized, buffer zone requirements are reduced according to the calculated proportion of semi-natural habitats (SNH) of the community. Recently the methodology was reviewed, underlying data were updated and results cross-checked against terrestrial survey data (e.g. from the High Nature Value Farmland project). Major methodological adjustments are (1) an increase of the minimum required proportion of semi natural habitats (2) an upper limit for connected agrarian landscape not fulfilling SNH requirements (3) additional terrestrial survey data on qualitative and quantitative aspects of SNH. Technical advancements include computer-routines for the integration of refined spatial data (e.g. from LPIS-LE) and a web-based mapping tool.
The register of regionalized small features has been published.
Section overview
Subjects
- Crop Protection