Abstract
Arthropod community structure and general processes of faunistic compartimentation were studied in two French terrestrial ecosystems, both submitted to a human management. Using an original flight interception trap, the composite entomological trap, we try to show the advantages of global and standardized sampling methods which allow to analyse an overall picture of epifaunal arthropods communities with some relative moderate resources. In this way, trapped insects are also recognized at familly level, a reliable and easy method able to carry out ecological diagnosis with a strong functional signification. The main interest of these researches consists in laying the foundations for a detailed and reproductible approach, which led us to follow structural and functional characteristics of terrestrial ecosystems, giving an acute spatiotemporal accuracy. Our results let appear a significant functional response of insect communities to habitat characteristics, but also to availability and distribution of different trophic resources.
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