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During their spring stop-offs in Lake St. Peter, which averaged 32 days (1974-5), migrating Canada geese (Branta canadensis) flew twice daily to feed ...
Read moreMany cultivated species can escape from fields and colonize seminatural habitats as feral populations. Of these, feral oilseed rape is a widespread fe...
Read morePesticide exposure has been implicated as a contributor to insect pollinator declines. In social bees, which are crucial pollination service providers...
Read moreThere is an increasing awareness of the need to evaluate critically the effectiveness of environmental conservation measures, and to ensure that agri-...
Read moreAlthough organic farming was originally promoted as an alternative farming system to address agronomic, environmental and ecological issues, its conve...
Read moreInsect pests in agricultural systems are one of the major causes of damage to crop production and storage worldwide. However, the study of the effect ...
Read moreReductions in natural habitat are implicated in declining honeybee Apis mellifera L. and wild bee populations, thereby threatening crop production. Th...
Read moreAn organic long-term field experiment with two factors has been carried out since 1998 at the experimental station Gladbacherhof, University of Gieβen...
Read moreGeneralist arthropod predators act as natural enemies of insect pests in agro-ecosystems. Crop management activities may cause a reduction in arthropo...
Read moreAgricultural land use threatens ecosystem services such as biological control by natural enemies because of simplification of habitat structure and in...
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