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Keith Summey North Charleston Library
9 a.m. – 8 p.m.
Phone: (843) 744-2489
Folly Beach Library
Closed
Phone: (843) 588-2001
Main Library
9 a.m. - 8 p.m.
Phone: (843) 805-6930
West Ashley Library
9 a.m. - 7 p.m.
Phone: (843) 766-6635
Wando Mount Pleasant Library
9 a.m. - 8 p.m.
Phone: (843) 805-6888
McClellanville Library
9 a.m. - 6 p.m.
Phone: (843) 887-3699
Miss Jane's Building (Edisto Library Temporary Location)
2 p.m. – 6 p.m.
Phone: (843) 869-2355
John L. Dart Library
9 a.m. - 7 p.m.
Phone: (843) 722-7550
St. Paul's/Hollywood Library
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Phone: (843) 889-3300
Mt. Pleasant Library
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Dorchester Road Library
9 a.m. - 8 p.m.
Phone: (843) 552-6466
Edgar Allan Poe/Sullivan's Island Library
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John's Island Library
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Phone: (843) 795-6679
Bees Ferry West Ashley Library
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Phone: (843) 805-6892
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Phone: (843) 884-9741
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![loading](/sites/all/modules/hf_eds/images/loading.gif)
Effects of freshwater residence time on reproductive success in anadromous alewife (Alosa pseudoharengus): climate change implications.
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![loading](/sites/all/modules/hf_eds/images/loading.gif)
- Author(s): Marjadi, Meghna N.; Roy, Allison H.; Devine, Matthew T.; Gahagan, Benjamin I.; Jordaan, Adrian; Rosset, Julianne; Whiteley, Andrew R.
- Source:
Canadian Journal of Fisheries & Aquatic Sciences; 2023, Vol. 80 Issue 3, p563-576, 14p- Subject Terms:
- Source:
- Additional Information
- Abstract: Earlier spring warming and anadromous fish migrations prompted by climate change are linked to shorter freshwater residency. Impacts of phenological change on anadromous fish populations are poorly understood with limited studies focused on iteroparous non-salmonids. We assessed freshwater residence time and reproductive success in an iteroparous clupeid, alewife (Alosa pseudoharengus) using a pedigree analysis and otolith-based spawning dates from captured juveniles. The primary objectives were to (1) estimate adult spawning duration in a freshwater pond (freshwater residence time) and (2) evaluate adult freshwater residence time, arrival date, length, sex, and reproductive success across 2 years in one system. Estimated freshwater residence times varied widely (1–64 days), and longer residence times were associated with earlier arrival dates, higher reproductive success, and more mating events. Longer freshwater residence times may allow alewife to spawn with more mates, produce more gametes, and experience a range of spawning and nursery conditions. Plasticity in alewife freshwater residence time could support earlier and shorter migration periods but may result in lower reproductive output if adults spend less time in freshwater ponds. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Canadian Journal of Fisheries & Aquatic Sciences is the property of Canadian Science Publishing and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Abstract:
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