Movement dynamics of smallmouth bass (Micropterus dolomieu) in a large river-tributary system
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Abstract
Smallmouth bass, Micropterus dolomieu Lacepède, movement dynamics were investigated in a connected mainstem river-tributary system. Smallmouth bass moved large distances annually (n = 84 fish, average = 24.6 ± 25.9 km, range = 0.03 to 118 km) and had three peak movement periods (pre-spawn, post-spawn and overwintering). Movement into and out of tributaries was common, but the movement between mainstem river and tributary habitats varied among tagging locations and season. In general, a large proportion of fish that were tagged in tributaries moved out of the tributaries after spawning (22/30 fish). Because of the importance of fish movement patterns on population dynamics, the observed individual variability in movement, quantified using a hierarchical model, and the potential for long-distance movements are important considerations for smallmouth bass conservation and management. In addition, mainstem river-tributary connectivity appears to play an important role for smallmouth bass during key life history events.
Suggested Citation
Wagner, T., Schall, M., Timothy Wertz, Smith, G., and Blazer, V., 2019, Movement dynamics of smallmouth bass (Micropterus dolomieu) in a large river-tributary system: Fisheries Management and Ecology, v. 26, no. 6, p. 590-599, https://doi.org/10.1111/fme.12369.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Movement dynamics of smallmouth bass (Micropterus dolomieu) in a large river-tributary system |
| Series title | Fisheries Management and Ecology |
| DOI | 10.1111/fme.12369 |
| Volume | 26 |
| Issue | 6 |
| Publication Date | June 30, 2019 |
| Year Published | 2019 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Coop Res Unit Leetown |
| Description | 10 p. |
| First page | 590 |
| Last page | 599 |
| Country | United States |
| State | Pennsylvania |
| Other Geospatial | West Branch Susquehanna River |