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Conference poster

Sea lamprey nests increase the diversity of benthic macroinvertebrate communities

Abstract : The habitat heterogeneity hypothesis states that increased habitat heterogeneity promotes species diversity thanks to a greater number of available ecological niches. For stream invertebrates, substrate appears to be a key driver of macroinvertebrates community structure followed by current velocity and depth. Lamprey nesting, by removing large volumes of sediment and altering local bed morphology, increases the riverbed physical heterogeneity. This structural heterogeneity might increase biological and functional diversity. Here, we investigated the local-scale effects of lamprey spawning on macroinvertebrates communities and discussed the overall effects at the reach-scale.
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Conference poster
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https://hal-univ-pau.archives-ouvertes.fr/hal-03846904
Contributor : Marius Dhamelincourt Connect in order to contact the contributor
Submitted on : Thursday, November 10, 2022 - 1:21:11 PM
Last modification on : Friday, November 11, 2022 - 3:51:35 AM

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  • HAL Id : hal-03846904, version 1

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Marius Dhamelincourt, Jacques Rives, Marie Pons, Aitor Larrañaga, Arturo Elosegi. Sea lamprey nests increase the diversity of benthic macroinvertebrate communities. Ecology Across Borders 2021, Dec 2021, Liverpool, France. ⟨hal-03846904⟩

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