Covered in this volume are the following topics:
- Political requirements and statements on biotic agri-environmental indicators;
- Requirements regarding agri-environmental indicators from a scientific as well as an applied point of view;
- Scientific reviews and critical discussions of "state of the art" knowledge regarding several kinds of agri-environmental indicators for biodiversity and/or sustainable agriculture;
- Original experiments on certain aspects regarding indication of biodiversity in agroecosystems;
- Practical experience with the application and suitability of agri-environmental indicators (as far as they are already established);
- Conceptions and models to show the economic effects and possibilities of practical application of such indicators.