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Human appropriation of net primary production and species diversity in agricultural landscapes

    Publications: Contribution to journalArticlePeer Reviewed

    Abstract

    The relationship between land-use induced changes in production ecology and species diversity was analyzed based on a transect of 38 squares (600 m x 600 m) in landscapes of eastern Austria. "Human appropriation of net primary production" (=HANPP = potential NPP - NPPt), actual NPP (NPPact), harvest (NPPh) and NPPt (=NPP act - harvest) were calculated, considering aboveground processes only. HANPP is an indicator of changes in the production ecology induced by land-use which takes ecosystem productivity and harvest into account. NPP act, NPPt, and HANPP were correlated with data on species richness of vascular plants, bryophytes, orthopterans, gastropods, spiders, ants, and ground beetles. NPPact and HANPP were inversely correlated with species diversity, whereas NPPt was positively correlated with species diversity. Results were compatible with the species-energy hypothesis which predicts a positive relationship between energy flow and species diversity. The analysis of the relationship between HANPP and species diversity may yield results that are relevant in terms of ecological theory and biodiversity conservation.

    Original languageEnglish
    Pages (from-to)213-218
    Number of pages6
    JournalAgriculture, Ecosystems & Environment
    Volume102
    Issue number2
    DOIs
    Publication statusPublished - Apr 2004

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 15 - Life on Land
      SDG 15 Life on Land

    Austrian Fields of Science 2012

    • 405001 Agroecology

    Keywords

    • Cultural landscape
    • Environmental indicator
    • Human appropriation of net primary production (HANPP)
    • Species diversity
    • Species-energy hypothesis

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