Quantifying relations between altered hydrology and fish community responses for streams in Minnesota
Ecological Processes
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Abstract
Altered hydrology is a stressor on aquatic life for several streams in Minnesota, but quantitative relations between specific aspects of streamflow alteration and biological responses have not been developed on a statewide scale in Minnesota. Best subsets regression analysis was used to develop linear regression models that quantify relations among five categories of hydrologic explanatory metrics (i.e., duration, frequency, magnitude, rate-of-change, and timing) computed from streamgage records and six categories of biological response metrics (i.e., composition, habitat, life history, reproductive, tolerance, trophic) computed from fish community samples, as well as fish-based indices of biotic integrity (FIBI) scores and FIBI scores normalized to the an impairment threshold of the corresponding stream class (FIBI_BCG4). Three hydrologic datasets were used to examine rRelations between altered hydrology and fish community responses were examined at three different temporal scalesusing three hydrologic datasets that represented periods of record, long-term changes, and short-term changes to flow regimes in streams of Minnesota.
Suggested Citation
Ziegeweid, J.R., Johnson, G.D., Krall, A.L., Fitzpatrick, K., Levin, S., 2022, Quantifying relations between altered hydrology and fish community responses for streams in Minnesota: Ecological Processes, v. 11, 41, 25 p., https://doi.org/10.1186/s13717-022-00383-z.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Quantifying relations between altered hydrology and fish community responses for streams in Minnesota |
| Series title | Ecological Processes |
| DOI | 10.1186/s13717-022-00383-z |
| Volume | 11 |
| Publication Date | June 11, 2022 |
| Year Published | 2022 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | California Water Science Center, Upper Midwest Water Science Center |
| Description | 41, 25 p. |
| Country | United States |
| State | Minnesota |