Scale dependence of pollinator community turnover and tritrophic interactions in changing landscapes

TL;DRAbstract

Agricultural landscapes account for approximately 40% of global terrestrial area and this proportion tends to grow due to the increasing demand for fuel, food and other agricultural products. For successful crop production in the future, it is crucial to preserve the ecosystem services performed by biodiversity in these areas. Understanding how land use and landscape composition affect species distribution and ecosystem functions is key to achieve this objective. Organisms respond to habitat heterogeneity at different spatial scales, which needs to be considered in landscape studies. The temporal scale can also be meaningful, given that agricultural landscapes are highly dynamic environments and the frequent changes in land cover may affect ecological processes. In this thesis we study local and landscape effects on plant-insect interactions, local diversity and community structure in changing landscapes. We focus on two landscape components that potentially influence insect communitie

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