2023 Early Hearing Detection & Intervention Conference

March 5-7, 2023 • Cincinnati, OH

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5/21/2018  |   9:15 AM - 9:30 AM   |  EFFECT OF AGRICULTURAL LAND-USE ON STRUCTURE AND FUNCTION OF LOWLAND STREAMS   |  330 A

EFFECT OF AGRICULTURAL LAND-USE ON STRUCTURE AND FUNCTION OF LOWLAND STREAMS

Assessment of the ecological water quality commonly only encompasses structural measurements, such as species composition. These measures are then used as surrogate for ecosystem functioning neglecting direct measurements of ecosystem processes. We questioned how freshwater species composition relates to ecosystem processes, and how anthropogenic stressors impact this relationship? To this purpose we measured the physico-chemistry, invertebrate community, and macrophytes community (structural parameters), as well as oxygen dynamics, primary productivity, decomposition (functional parameters) in four replicate streams in The Netherlands. In each stream, a sampling site was located upstream, midstream, and downstream, with increasing agricultural land use adjacent the stream. Based on our findings we will reflect how these structural and functional approaches relate to each other and reflect the impact of agricultural land use on the health of these streams, and can support stream management and restoration.

  • Function
  • Structure
  • Landuse

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Presenters/Authors

Gea van der Lee (), Wageningen Environmental Research, gea.vanderlee@wur.nl;


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Ralf C.M. Verdonschot (), Wageningen Environmental Research, ralf.verdonschot@wur.nl;


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Michiel Kraak (), Institute of Biodiversity and Ecosystem Dynamics, M.H.S.Kraak@uva.nl;


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Piet F.M. Verdonschot (), University of Amsterdam / Wageningen Environmental Research , piet.verdonschot@wur.nl;


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