Assessing potential habitat for freshwater mussels by transferring a habitat suitability model within the Ozark Ecoregion, Missouri
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Abstract
Habitat suitability models for freshwater mussels can inform conservation of these imperiled animals. Riverscape-scale hydrogeomorphic variables were previously used to predict suitable mussel habitat in the Meramec River basin, Missouri. We evaluated transferability of the Meramec River habitat suitability model to the Gasconade and Little Black rivers, in the Ozark Highlands ecoregion, Missouri. The best-fit models relied on transferring and adapting the original modeling framework to better represent the unique habitat characteristics of each river. Mussel bed occurrence in both rivers was associated with reaches that were classified as pools. Mussel beds in the Gasconade River were also associated with laterally stable reaches adjacent to small bluffs, distant from gravel bars, and with higher stream power indices. Mussel beds in the Little Black River were associated with reaches with higher surface water availability during low-flow conditions, lower stream power indices, and bluffs located downstream. Our results show that existing habitat models can be transferred to other streams with similar environmental conditions, but differences in watershed characteristics can affect transferability.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Assessing potential habitat for freshwater mussels by transferring a habitat suitability model within the Ozark Ecoregion, Missouri |
| Series title | Freshwater Mollusk Biology and Conservation |
| DOI | 10.31931/fmbc-d-21-00005 |
| Volume | 26 |
| Issue | 1 |
| Year Published | 2024 |
| Language | English |
| Publisher | Freshwater Mollusk Conservation Society |
| Contributing office(s) | Coop Res Unit Atlanta |
| Description | 13 p. |
| First page | 32 |
| Last page | 44 |
| Country | United States |
| State | Missouri |
| Other Geospatial | Ozark Highlands |
| Google Analytic Metrics | Metrics page |