Aarhus University Seal / Aarhus Universitets segl

Jes Jessen Rasmussen

Stream habitat structure influences macroinvertebrate response to pesticides

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Stream habitat structure influences macroinvertebrate response to pesticides. / Rasmussen, Jes; Wiberg-Larsen, Peter; Baattrup-Pedersen, Annette; Friberg, Nikolai; Kronvang, Brian.

In: Environmental Pollution, Vol. 164, 2012, p. 142-149.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

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@article{8391e95d97b44cbda649e941cdabc232,
title = "Stream habitat structure influences macroinvertebrate response to pesticides",
abstract = "Agricultural pesticide contamination in surface waters is increasingly threatening to impair the surface water ecosystems. Agricultural streams are furthermore often heavily maintained to optimise the transport of water away from fields. The physical habitat degradation that result from heavy stream maintenance probably introduce additional stress that may act in concert with pesticide stress. We surveyed pesticide contamination and macroinvertebrate community structure in 14 streams along a gradient of expected pesticide exposure. A paired-reach approach was applied to differentiate the effects of pesticides between sites with degraded and more undisturbed physical properties. The effect of pesticides on macroinvertebrate communities (measured as the relative abundance of SPEcies At Risk) was increased at stream sites with degraded physical habitats primarily due to the absence of species with specific preferences for habitats with hard substrate. Our findings highlight the importance of considering physical habitat degradation in the assessment and mitigation of risk in agricultural streams.",
author = "Jes Rasmussen and Peter Wiberg-Larsen and Annette Baattrup-Pedersen and Nikolai Friberg and Brian Kronvang",
year = "2012",
language = "English",
volume = "164",
pages = "142--149",
journal = "Environmental Pollution",
issn = "0269-7491",
publisher = "Pergamon Press",

}

RIS

TY - JOUR

T1 - Stream habitat structure influences macroinvertebrate response to pesticides

AU - Rasmussen, Jes

AU - Wiberg-Larsen, Peter

AU - Baattrup-Pedersen, Annette

AU - Friberg, Nikolai

AU - Kronvang, Brian

PY - 2012

Y1 - 2012

N2 - Agricultural pesticide contamination in surface waters is increasingly threatening to impair the surface water ecosystems. Agricultural streams are furthermore often heavily maintained to optimise the transport of water away from fields. The physical habitat degradation that result from heavy stream maintenance probably introduce additional stress that may act in concert with pesticide stress. We surveyed pesticide contamination and macroinvertebrate community structure in 14 streams along a gradient of expected pesticide exposure. A paired-reach approach was applied to differentiate the effects of pesticides between sites with degraded and more undisturbed physical properties. The effect of pesticides on macroinvertebrate communities (measured as the relative abundance of SPEcies At Risk) was increased at stream sites with degraded physical habitats primarily due to the absence of species with specific preferences for habitats with hard substrate. Our findings highlight the importance of considering physical habitat degradation in the assessment and mitigation of risk in agricultural streams.

AB - Agricultural pesticide contamination in surface waters is increasingly threatening to impair the surface water ecosystems. Agricultural streams are furthermore often heavily maintained to optimise the transport of water away from fields. The physical habitat degradation that result from heavy stream maintenance probably introduce additional stress that may act in concert with pesticide stress. We surveyed pesticide contamination and macroinvertebrate community structure in 14 streams along a gradient of expected pesticide exposure. A paired-reach approach was applied to differentiate the effects of pesticides between sites with degraded and more undisturbed physical properties. The effect of pesticides on macroinvertebrate communities (measured as the relative abundance of SPEcies At Risk) was increased at stream sites with degraded physical habitats primarily due to the absence of species with specific preferences for habitats with hard substrate. Our findings highlight the importance of considering physical habitat degradation in the assessment and mitigation of risk in agricultural streams.

M3 - Journal article

VL - 164

SP - 142

EP - 149

JO - Environmental Pollution

JF - Environmental Pollution

SN - 0269-7491

ER -