Table of Contents German Programme on Biodiversity and Global Change (Phase I, 2000 - 2004) Funded by BMBF Status Report 2001 INTRODUCTION TO THE PROGRAMME BIOLOG....................................10 BIOLOG EUROPE.........................................................................................................................12 BIOLOG AFRICA..........................................................................................................................14 BIODIVERSITY INFORMATICS IN THE BIOLOG PROGRAMME .........................................16 BIOLOG EUROPE Project ID: 01LC0002.....................................................................................................................20 GLOBAL CHANGE-DEPENDENT SPREAD OF NEOPHYTES: RELATIONSHIP TO ECOSYSTEM CHANGE (CASE STUDY: FLOODPLAINS OF THE RIVER RHINE) Project ID: 01LC0004.....................................................................................................................22 RECONSTRUCTING HISTORICAL BIODIVERSITY FROM ARCHIVAL SOURCES Project ID: 01LC0005.....................................................................................................................24 BIODIVERSITY CHANGE DURING 20 YEARS OF SUCCESSION: IMPLICATIONS FOR MANAGEMENT OF RESTORATION Project ID: 01LC0006.....................................................................................................................26 ECOLOGY AND BIODIVERSITY OF HIGHER FUNGI IN CENTRAL EUROPE (GERMANY) Project ID: 01LC0010.....................................................................................................................28 CONDITIONS OF A RATIONAL BIODIVERSITY POLICY FOR GERMANY, AS A PART OF THE EUROPEAN UNION Project ID: 01LC0012 (Subproject 1)..............................................................................................30 EVOLUTIONARY CONSEQUENCES OF BIOLOGICAL INVASIONS – INTROGRESSIVE HYBRIDIZATION BETWEEN INVASIVE AND NATIVE RORIPPA SPECIES (BRASSICACEAE). Project ID: 01LC0012 (Subproject 2)..............................................................................................32 EVOLUTIONARY CONSEQUENCES OF BIOLOGICAL INVASIONS – ONGOING HYBRIDIZATION PROCESSES BETWEEN CARDAMINE TAXA AT THE URNERBODEN, CENTRAL SWITZERLAND 1 Project ID: 01LC0013.....................................................................................................................34 BIODIVERSITY AND ECOSYSTEM FUNCTION IN GRASSLANDS - THE EFFECTS OF INSECT HERBIVORY AND DROUGHT STRESS Project ID: 01LC0013 (Subproject STOFF)....................................................................................36 THE CARBON AND NITROGEN CYCLES IN GRASSLAND ECOSYSTEMS OF DIFFERENT DIVERSITIES Project ID: 01LC0013 (Subproject RAUM)....................................................................................38 A SPATIAL MODEL FOR INDICATING ECOSYSTEM FUNCTIONS Project ID: 01LC0013 (Subproject ENTO).....................................................................................40 THE RELATIONSHIP BETWEEN INSECT HERBIVORIE, PLANT DIVERSITY, INSECT DIVERSITY AND ECOSYSTEM PROCESSES Project ID: 01LC0013 (Subproject GENMOD) ..............................................................................42 GENETIC AND PHENOTYPIC DIVERSITY AND RESPONSE TO DISTURBANCES IN GRASSLAND SYSTEMS: MODELLING AND EMPIRICAL RESEARCH Projekt ID: 01LC0014.....................................................................................................................44 BIODIVERSITY AND ECOSYSTEM FUNCTIONS IN GRASSLAND Projekt ID: 01LC0014 (Subproject Vegetation) ..............................................................................46 TAXONOMIC, FUNCTIONAL AND STRUCTURAL CHARACTERISTICS OF ABOVE-GROUND PLANT FEATURES AND THEIR INFLUENCE ON ECOSYSTEM FUNCTIONS Projekt ID: 01LC0014 (Subproject Roots) ......................................................................................48 THE ROLE OF BIODIVERSITY FOR STORAGE OF CARBON AND MINERALS IN ROOTS, AND ACQUISITION OF SOIL RESSOURCES IN GRASSLAND Projekt ID: 01LC0014 (Subproject Soil) .........................................................................................50 THE IMPACT OF PLANT DIVERSITY OF GRASSLANDS ON WATER- AND NUTRIENT-FLUXES IN SOILS AND SOIL ORGANIC MATTER Project ID: 01LC0015 (Subproject VEGETATION ECOLOGY) ...................................................52 DEVELOPMENT OF BIOLOGICAL DIVERSITY IN SALT MEADOWS OF THE 'VORPOMMERSCHE BODDENLANDSCHAFT' – SPATIO-TEMPORAL DYNAMICS AND ECOSYSTEM FUNCTION OF BIODIVERSITY IN BRACKISH GRASSLANDS PROJECT ID: 01LC0015 (Subproject LANDSCAPE ECONOMY)...............................................54 DEVELOPMENT OF BIOLOGICAL DIVERSITY IN SALT MEADOWS OF THE 'VORPOMMERSCHE BODDENLANDSCHAFT' – ECONOMICAL VALUATION OF BIODIVERSITY Project ID: 01LC0015 (Subproject ANIMAL ECOLOGY).............................................................56 DEVELOPMENT OF BIOLOGICAL DIVERSITY IN SALT MEADOWS OF THE 'VORPOMMERSCHE BODDENLANDSCHAFT' - DYNAMICS IN DIVERSITY OF ANIMAL SPECIES AND COMMUNITIES IN A CHANGING ENVIRONMENT WITH SPECIAL REGARD TO DISPERSAL PROCESSES Project ID: 01LC0015 (Subproject SOIL SCIENCE) .....................................................................58 DEVELOPMENT OF BIOLOGICAL DIVERSITY IN SALT MEADOWS OF THE 'VORPOMMERSCHE BODDENLANDSCHAFT' - WATER AND SALT DYNAMICS OF SALTY MEADOW AND MARSH SOILS Project ID: 01LC0018 (SUBICON Subproject 1)............................................................................60 SUBICON - SUCCESSIONAL CHANGE AND BIODIVERSITY CONSERVATION IN A RED OAK CHRONOSEQUENCE – SUCCESSION OF DIVERSITY AND FUNCTION OF ECTOMYCORRHIZAL TYPES IN RED OAK FOREST ECOSYSTEMS Project ID: 01LC0018 (SUBICON Subproject 2)............................................................................62 BIODIVERSITY OF PLANT COMMUNITIES AND SELECTED PHYTOPHAGES IN RED OAK DOMINATED ECOSYSTEMS 2 Project ID: 01LC0018 (SUBICON Subproject 3)............................................................................64 GENETIC DIVERSITY OF SELECTED PLANTS, PHYTOPHAGES AND ZOOPHAGES IN SUCCESSIONAL RED OAK ECOSYSTEMS Project ID: 01LC0018 (SUBICON Subproject 4)............................................................................66 STRUCTURE OF THE PREDATOR COMMUNITY IN A RED OAK CHRONOSEQUENCE Project ID: 01LC0020 (BIOPLEX Subproject 1) ............................................................................68 BIODIVERSITY AND SPATIAL COMPLEXITY IN AGRICULTURAL LANDSCAPES UNDER GLOBAL CHANGE (BIOPLEX) - MODELLING AND GEOSTATISTICS Project ID: 01LC0020 (BIOPLEX Subproject 2) ............................................................................70 BIODIVERSITY AND SPATIAL COMPLEXITY IN AGRICULTURAL LANDSCAPES UNDER GLOBAL CHANGE (BIOPLEX) - AGROECOLOGY Project ID: 01LC0020 (BIOPLEX Subproject 3) ............................................................................72 BIODIVERSITY AND SPATIAL COMPLEXITY IN AGRICULTURAL LANDSCAPES UNDER GLOBAL CHANGE (BIOPLEX) - PHYTOPATHOLOGY Project ID: 01LC0020 (BIOPLEX Subproject 4) ............................................................................74 BIODIVERSITY AND SPATIAL COMPLEXITY IN AGRICULTURAL LANDSCAPES UNDER GLOBAL CHANGE (BIOPLEX) - Soil BIOTA Project ID: 01LC0020 (BIOPLEX Subproject 5) ............................................................................76 BIODIVERSITY AND SPATIAL COMPLEXITY IN AGRICULTURAL LANDSCAPES UNDER GLOBAL CHANGE (BIOPLEX) - SOCIAL-ECONOMIC EVALUATION AND APPRAISAL WITH RESPECT TO BIODIVERSITY IN AGRARIAN LANDSCAPES Project ID: 01LC0021 (Subproject 1)..............................................................................................78 BIODIVERSITY OF NITROGEN-FIXING MICROORGANISMS Project ID: 01LC0021 (Subproject 2)..............................................................................................80 BIODIVERSITY OF NITRIFYING AND SULFATE-REDUCING PROKARYOTES Project ID: 01LC0021 (Subproject 3)..............................................................................................82 BIODIVERSITY OF METHANOTROPHIC AND NITRATE-REDUCING BACTERIA Project ID: 01LC0021 (Subproject 4)..............................................................................................84 BIODIVERSITY AND SUCCESSIONS IN TEMPORARY TERRESTRIAL-AQUATIC INTERFACES Project ID: 01LC0021 (Subproject 5)..............................................................................................86 INVESTIGATION OF PROKARYOTIC DIVERSITY BY OPTIMIZED CULTIVATION METHODS Project ID: 01LC0021 (Subproject 6)..............................................................................................88 THE ROLE OF N-ACYL-L-HOMOSERINE LACTONE (AHL) MEDIATED COMMUNICATION FOR THE STRUCTURE AND PERSISTENCE OF MICROBIAL RHIZOSPHERE COMMUNITIES Project ID: 01LC0021 (Subproject 7)..............................................................................................90 BIODIVERSITY OF PROTOZOA IN THE RHIZOSPHERE OF PLANTS: EFFECTS ON ACTIVITY, PERFORMANCE AND DIVERSITY OF MICROORGANISMS AND ON PLANT GROWTH. Project ID: 01LC0101 (Subproject 1)..............................................................................................92 AN ANALYSIS OF PREVAILING ECONOMIC AND POLITICAL STRATEGIES FOR THE PROTECTION OF BIODIVERSITY - THE TRADE IN GENETIC RESSOURCES: A VIABLE CONTRIBUTION TO THE PROTECTION OF BIODIVERSITY? Project ID: 01LC0101 (Subproject 2)..............................................................................................94 AN ANALYSIS OF PREVAILING ECONOMIC AND POLITICAL