2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
5/21/2018 | 2:45 PM - 3:00 PM | QUANTITATIVE FRESHWATER MUSSELS SURVEYS (BIVALVIA:UNIONIDA) IN THE LOWER STRAWBERRY RIVER, AR | 410 A
QUANTITATIVE FRESHWATER MUSSELS SURVEYS (BIVALVIA:UNIONIDA) IN THE LOWER STRAWBERRY RIVER, AR
The Strawberry River, a tributary of the Black River in the White River drainage in Arkansas, historically hosted 39 species of freshwater mussels. The objectives of this study were to evaluate environmental factors that drive species composition and establish a population baseline for each species and for total assemblage population. Freshwater mussel assemblages of the lower Strawberry River were assessed quantitatively. Biodiversity in the Strawberry River consisted of 34 species recorded from four sites, including Cyclonaias nodulata and Lampsilis siliquoidea, which had not been previously encountered in the system. Abundance ranged from 4,632 to 6,708 individuals/assemblage. Density varied from 6.3 to 19.2 individuals/m² with a mean of 15.5 for all sites. Overall, Cyclonaias pustulosa (17.6%), Pleurobema sintoxia (13.2%) and Tritogonia verrucosa (12.5%) were the dominant species in the assemblages sampled. Two federally protected species were found during the surveys, Theliderma cylindrica and Leptodea leptodon. Theliderma cylindrica comprised 3.4% of the total sampled individuals, and L. leptodon comprised only 0.3%. Species composition changes was related to substrate size variation. Overall, the Strawberry River provides diverse habitat and sustains high freshwater mussel diversity; however, threats to freshwater mussel assemblages are noticeable in the river
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- Biodiversity
- Non-point Source
- Disturbance
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Presenters/Authors
Irene Sanchez Gonzalez
(), Arkansas State University, irene1sanchez@gmail.com;
ASHA DISCLOSURE:
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Nonfinancial -
John Harris
(), Arkansas State University, onibob1@gmail.com;
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Jennifer Bouldin
(), Arkansas State University, jbouldin@astate.edu;
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