An Invasive Mussel (<i>Arcuatula senhousia</i>, Benson 1842) Interacts with Resident Biota in Controlling Benthic Ecosystem Functioning
The invasive mussel <i>Arcuatula senhousia</i> has successfully colonized shallow soft sediments worldwide. This filter feeding mussel modifies sedimentary habitats while forming dense populations and efficiently contributes to nutrient cycling. In the present study, the density of <i...
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MDPI AG
2020-11-01
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| Series: | Journal of Marine Science and Engineering |
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| Online Access: | https://www.mdpi.com/2077-1312/8/12/963 |
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| author | Guillaume Bernard Laura Kauppi Nicolas Lavesque Aurélie Ciutat Antoine Grémare Cécile Massé Olivier Maire |
| author_facet | Guillaume Bernard Laura Kauppi Nicolas Lavesque Aurélie Ciutat Antoine Grémare Cécile Massé Olivier Maire |
| author_sort | Guillaume Bernard |
| collection | DOAJ |
| description | The invasive mussel <i>Arcuatula senhousia</i> has successfully colonized shallow soft sediments worldwide. This filter feeding mussel modifies sedimentary habitats while forming dense populations and efficiently contributes to nutrient cycling. In the present study, the density of <i>A. senhousia</i> was manipulated in intact sediment cores taken within an intertidal <i>Zostera noltei</i> seagrass meadow in Arcachon Bay (French Atlantic coast), where the species currently occurs at levels corresponding to an early invasion stage. It aimed at testing the effects of a future invasion on (1) bioturbation (bioirrigation and sediment mixing) as well as on (2) total benthic solute fluxes across the sediment–water interface. Results showed that increasing densities of <i>A. senhousia</i> clearly enhanced phosphate and ammonium effluxes, but conversely did not significantly affect community bioturbation rates, highlighting the ability of <i>A. senhousia</i> to control nutrient cycling through strong excretion rates with potential important consequences for nutrient cycling and benthic–pelagic coupling at a broader scale. However, it appears that the variability in the different measured solute fluxes were underpinned by different interactions between the manipulated density of <i>A. senhousia</i> and several faunal and/or environmental drivers, therefore underlining the complexity of anticipating the effects of an invasion process on ecosystem functioning within a realistic context. |
| first_indexed | 2024-03-10T14:34:26Z |
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| institution | Directory Open Access Journal |
| issn | 2077-1312 |
| language | English |
| last_indexed | 2024-03-10T14:34:26Z |
| publishDate | 2020-11-01 |
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| record_format | Article |
| series | Journal of Marine Science and Engineering |
| spelling | doaj.art-de4dc5abdf274bcaa6cf9c0cdd8e47ae2023-11-20T22:21:59ZengMDPI AGJournal of Marine Science and Engineering2077-13122020-11-0181296310.3390/jmse8120963An Invasive Mussel (<i>Arcuatula senhousia</i>, Benson 1842) Interacts with Resident Biota in Controlling Benthic Ecosystem FunctioningGuillaume Bernard0Laura Kauppi1Nicolas Lavesque2Aurélie Ciutat3Antoine Grémare4Cécile Massé5Olivier Maire6University Bordeaux, CNRS, EPOC, EPHE, UMR 5805, 33120 Arcachon, FranceTvärminne Zoological Station, University of Helsinki, J.A. Palménin tie 260, FI-10900 Hanko, FinlandUniversity Bordeaux, CNRS, EPOC, EPHE, UMR 5805, 33120 Arcachon, FranceUniversity Bordeaux, CNRS, EPOC, EPHE, UMR 5805, 33120 Arcachon, FranceUniversity Bordeaux, CNRS, EPOC, EPHE, UMR 5805, 33120 Arcachon, FranceUMS Patrimoine Naturel (PATRINAT), AFB, MNHN, CNRS, CP41, 36 Rue Geoffroy Saint-Hilaire, 75005 Paris, FranceUniversity Bordeaux, CNRS, EPOC, EPHE, UMR 5805, 33120 Arcachon, FranceThe invasive mussel <i>Arcuatula senhousia</i> has successfully colonized shallow soft sediments worldwide. This filter feeding mussel modifies sedimentary habitats while forming dense populations and efficiently contributes to nutrient cycling. In the present study, the density of <i>A. senhousia</i> was manipulated in intact sediment cores taken within an intertidal <i>Zostera noltei</i> seagrass meadow in Arcachon Bay (French Atlantic coast), where the species currently occurs at levels corresponding to an early invasion stage. It aimed at testing the effects of a future invasion on (1) bioturbation (bioirrigation and sediment mixing) as well as on (2) total benthic solute fluxes across the sediment–water interface. Results showed that increasing densities of <i>A. senhousia</i> clearly enhanced phosphate and ammonium effluxes, but conversely did not significantly affect community bioturbation rates, highlighting the ability of <i>A. senhousia</i> to control nutrient cycling through strong excretion rates with potential important consequences for nutrient cycling and benthic–pelagic coupling at a broader scale. However, it appears that the variability in the different measured solute fluxes were underpinned by different interactions between the manipulated density of <i>A. senhousia</i> and several faunal and/or environmental drivers, therefore underlining the complexity of anticipating the effects of an invasion process on ecosystem functioning within a realistic context.https://www.mdpi.com/2077-1312/8/12/963<i>Arcuatula senhousia</i>invasive speciesecosystem functioningbenthic fluxescontext dependencynutrient cycling |
| spellingShingle | Guillaume Bernard Laura Kauppi Nicolas Lavesque Aurélie Ciutat Antoine Grémare Cécile Massé Olivier Maire An Invasive Mussel (<i>Arcuatula senhousia</i>, Benson 1842) Interacts with Resident Biota in Controlling Benthic Ecosystem Functioning Journal of Marine Science and Engineering <i>Arcuatula senhousia</i> invasive species ecosystem functioning benthic fluxes context dependency nutrient cycling |
| title | An Invasive Mussel (<i>Arcuatula senhousia</i>, Benson 1842) Interacts with Resident Biota in Controlling Benthic Ecosystem Functioning |
| title_full | An Invasive Mussel (<i>Arcuatula senhousia</i>, Benson 1842) Interacts with Resident Biota in Controlling Benthic Ecosystem Functioning |
| title_fullStr | An Invasive Mussel (<i>Arcuatula senhousia</i>, Benson 1842) Interacts with Resident Biota in Controlling Benthic Ecosystem Functioning |
| title_full_unstemmed | An Invasive Mussel (<i>Arcuatula senhousia</i>, Benson 1842) Interacts with Resident Biota in Controlling Benthic Ecosystem Functioning |
| title_short | An Invasive Mussel (<i>Arcuatula senhousia</i>, Benson 1842) Interacts with Resident Biota in Controlling Benthic Ecosystem Functioning |
| title_sort | invasive mussel i arcuatula senhousia i benson 1842 interacts with resident biota in controlling benthic ecosystem functioning |
| topic | <i>Arcuatula senhousia</i> invasive species ecosystem functioning benthic fluxes context dependency nutrient cycling |
| url | https://www.mdpi.com/2077-1312/8/12/963 |
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