Tidal management affects sub-adult fish assemblages in impounded South Carolina marshes Public Deposited

http://ir.library.oregonstate.edu/concern/articles/k0698926t

To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. This is the publisher’s final pdf. The published article is copyrighted by Springer and can be found at:  http://link.springer.com/journal/11273

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  • In coastal South Carolina, most impounded marshes are managed for waterfowl; fewer are managed for fishes. Tidal control is central to each strategy but raises concerns that nursery function could be impaired. This research examined the assemblage composition of fishes during early-life stages. We sampled two impoundments of each management type monthly in 2008 and 2009. We used light traps to collect 61,527 sub-adult fish representing 21 species and 16 families and push nets to collect 12,670 sub-adult fish representing 13 species and 11 families. The effective number of species detected at larval stage in “fish” impoundments (summer mean = 2.52 ± 0.20, winter mean = 2.02 ± 0.66) was greater than in “waterfowl” impoundments (summer mean = 1.27 ± 0.14, winter mean = 1.06 ± 0.09); CI = 90 %. Species richness did not differ between management types, but hierarchical linear models predicted differences in assemblage composition. These findings underscore the importance of frequent water exchange for maintaining diverse assemblages of early-life-stage fishes in marsh impoundments.
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  • Carswell, B. L., Peterson, J. T., & Jennings, C. A. (2015). Tidal management affects sub-adult fish assemblages in impounded South Carolina marshes. Wetlands Ecology and Management, 23(6), 1015-1031. doi:10.1007/s11273-015-9435-1
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2015-12-10T15:16:36Z (GMT) No. of bitstreams: 1 Peterson JamesFishWildlifeTidalManagementAffects.pdf: 1347778 bytes, checksum: 92a16c3951e087982e9bec52626829ac (MD5)
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