Perspectives for Agroecosystem Management:

<br>List of Contributors</br><br>Preface</br><br>Part I: Approaching Sustainable Agriculture</br><br> 1.1 Outline of the Scheyern Project</br><br> 1.1.1 Background</br><br> 1.1.2 Research Station and Project Phases</br><br> 1.1.3 Two Farming Systems</br><br> 1.2 Sustainable Land Use by Organic and Integrated Farming Systems</br><br> 1.2.1 Organic Farming System in Scheyern</br><br> 1.2.2 Integrated Farming System in Scheyern</br><br> 1.2.3 Discussion</br><br>Part II: Management of Heterogeneous Systems</br><br> 2.1 Effects of the Management System on N-, C-, P- and K-Fluxes from FAM Soils</br><br> 2.1.1 Introduction</br><br> 2.1.2 Materials and Methods</br><br> 2.1.3 Results</br><br> 2.1.4 Conclusions</br><br> 2.2 Main Driving Variables and Effect of Soil Management on Climate or Ecosystem-Relevant Trace Gas Fluxes from Fields of the FAM</br><br> 2.2.1 Production and Consumption of the Climaterelevant Trace Gases Nitrous Oxide and Methane in Soils</br><br> 2.2.2 Important Controlling Factors for N2O Fluxes at the FAM Sites</br><br> 2.2.3 Important Controlling Factors for CH4 Fluxes Mat The FAM Sites</br><br> 2.2.4 Ammonia Emissions from Agricultural Land Use</br><br> 2.3 Precision Farming - Adaptation of Land Use Management to Small Scale Heterogeneity</br><br> 2.3.1 Basics and Objective</br><br> 2.3.2 Development of Methods to Characterize Spatial Variability of Soils, Crops, and Yield</br><br> 2.3.3 Development of Site-Specific Crop Production Strategies</br><br> 2.3.4 Conclusions</br><br>Part III: Influence of Land Use Changes on the Biotic Environment</br><br> 3.1 Effects of Land Use Changes on the Plant Species Diversity in Agricultural Ecosystems</br><br> 3.1.1 Introduction</br><br> 3.1.2 Land Use Systems Practised in the Research Area</br><br> 3.1.3 Vegetation Analysis</br><br> 3.1.4 Results</br><br> 3.1.5 Discussion</br><br> 3.1.6 Conclusions</br><br> 3.2 Long-Term Effects of Reduced Tillage on the Populations of Arable Weeds</br><br> 3.2.1 Introduction</br><br> 3.2.2 Research Area and Management</br><br> 3.2.3 Materials and Methods</br><br> 3.2.4 Results and Discussion</br><br> 3.2.5 Conclusions</br><br> 3.3 Dispersal Strategies: Are They Responsible for Species Success in Arable Ecosystems?</br><br> 3.3.1 Introduction</br><br> 3.3.2 Specific Ways of Dispersal in Arable Ecosystems</br><br> 3.3.3 Dispersal by Human Activity - a Dispersal Strategy or a Random Process?</br><br> 3.3.4 Dispersal Opportunity and Species Success</br><br> 3.3.5 Cirsium Arvense and Veronica Triphyllos - a Successful and a Stagnant Species</br><br> 3.3.6 Conclusions</br><br> 3.4 Soil Microbial Communities and Related Functions</br><br> 3.4.1 Introduction</br><br> 3.4.2 Materials and Methods</br><br> 3.4.3 Singular Environmental and Anthropogenic Effects</br><br> 3.4.4 Effect of Land Use and Farming Systems</br><br> 3.4.5 Precision Farming: Site-Specific Fertilization</br><br> 3.5 Mesofauna</br><br> 3.5.1 Introduction</br><br> 3.5.2 Occurrence and Distribution of Mesofauna</br><br> 3.5.3 Indicator Value</br><br> 3.5.4 Collembola and their Influence on Microbial Diversity</br><br> 3.5.5 Perspective</br><br> 3.6 Spiders (Araneae) in Arable Land: Species Community, Influence of Land Use on Diversity, and Biocontrol Significance</br><br> 3.6.1 Introduction</br><br> 3.6.2 The Community of Foliage-Dwelling Spiders in Arable Land</br><br> 3.6.3 The Influence of Land Use on Foliage-Dwelling Spiders in Field Margins</br><br> 3.6.4 Biocontrol Significance of Spiders</br><br> 3.6.5 Concluding Remarks</br><br>Part IV: Influence of the Land Use Changes on the Abiotic Environment</br><br> 4.1 Development and Application of Agro-Ecosystem Models</br><br> 4.1.1 Introduction</br><br> 4.1.2 Modular Model Development</br><br> 4.1.3 Retrospective Modeling of Soil Water Flow</br><br> 4.1.5 Crop Growth Modeling</br><br> 4.1.4 Simulation of Organic Matter Turnover and Nitrate Leaching</br><br> 4.1.6 assessment of Nitrous Oxide Emissions</br><br> 4.1.7 Conclusions</br><br> 4.2 Assessment of Soil Landscape Variability</br><br> 4.2.1 Introduction</br><br> 4.2.2 Terrain Analysis</br><br> 4.2.3 Electromagnetic Induction</br><br> 4.2.4 Remote Sensing</br><br> 4.2.5 Conclusions</br><br> 4.3 Changes in Nutrient Status on the Experimental Station Klostergut Scheyern from 1991 to 2001 - Statistical and Geostatistical Analysis</br><br> 4.3.1 Introduction</br><br> 4.3.2 Material and Methods</br><br> 4.3.3 Results</br><br> 4.3.4 Discussion</br><br>Outlook</br><br>Index</br><br>Color Plate Section</br><br></br>