info:oai:orgprints.org:9307info:ofi/fmt:xml:xsd:bookRahmannGeroldRahmann, GeroldPaulsenHans-MartenPaulsen, Hans-MartenHötkerHermannHötker, HermannJerominKnutJeromin, KnutSchraderStefanSchrader, StefanHaneklausSilviaHaneklaus, SilviaSchnugEwaldSchnug, Ewald2006Contribution of organic farming to conserving and improving biodiversity in Germany – the example avi-faunaproceeding