Lakemount benthic invertebrate biodiversity
Beaurang, Pierre A C
Beaurang, Pierre A C
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Abstract
Nutrient upwellings along seamounts increase biodiversity in the open ocean, but the role of this phenomenon in steep offshore reefs in lakes (lakemounts) is unknown. To evaluate biodiversity in lakemounts, we compared benthic invertebrate communities at 5, 20, and 40-meter depths on a lakemount and a shoreline site. Overall, biodiversity is comparable between the two sites (species richness: lakemount = 20, nearshore = 29). The dominant group among all sites and depths was Bivalvia, due to invasive Dreissena polymorpha, followed by Annelida and Gastropoda. We can conclude that lakemounts facilitate benthic invertebrate biodiversity in offshore areas comparably to nearshore habitats.
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Date
2024-01-01
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Undergraduate
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Wildlife and Fisheries Biology
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Rubenstein School of Environmental and Natural Resources
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Life Sciences