Drifting Invertebrates, Stomach Contents, and Body Conditions of Juvenile Rainbow Trout from Fall through Winter in a Wyoming Tailwater
We investigated the availability of drifting invertebrates and the stomach contents and body conditions of stocked (hatchery) and naturally spawned (wild) juvenile (20–25 cm total length) rainbow trout from fall through winter in the Big Horn River downstream from Boysen Dam in Wyoming. When the den...
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| Veröffentlicht in: | Transactions of the American Fisheries Society (1900) 2000-09, Vol.129 (5), p.1187-1195 |
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| container_issue | 5 |
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| container_title | Transactions of the American Fisheries Society (1900) |
| container_volume | 129 |
| creator | Simpkins, Darin G. Hubert, Wayne A. |
| description | We investigated the availability of drifting invertebrates and the stomach contents and body conditions of stocked (hatchery) and naturally spawned (wild) juvenile (20–25 cm total length) rainbow trout from fall through winter in the Big Horn River downstream from Boysen Dam in Wyoming. When the density and biomass of drifting invertebrates declined with water temperature during the fall, stomach contents and body conditions substantially decreased among both wild and stocked fish. During the coldest portion of the winter, the density of small drifting invertebrates increased as did the body conditions of both wild and hatchery trout. We suggest that the perceived increase in body conditions during late winter was due to survival of fish with higher body conditions and not growth of fish from fall to late winter. |
| doi_str_mv | 10.1577/1548-8659(2000)129<1187:DISCAB>2.0.CO;2 |
| format | Article |
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When the density and biomass of drifting invertebrates declined with water temperature during the fall, stomach contents and body conditions substantially decreased among both wild and stocked fish. During the coldest portion of the winter, the density of small drifting invertebrates increased as did the body conditions of both wild and hatchery trout. We suggest that the perceived increase in body conditions during late winter was due to survival of fish with higher body conditions and not growth of fish from fall to late winter.</description><identifier>ISSN: 0002-8487</identifier><identifier>EISSN: 1548-8659</identifier><identifier>DOI: 10.1577/1548-8659(2000)129<1187:DISCAB>2.0.CO;2</identifier><identifier>CODEN: TAFSAI</identifier><language>eng</language><publisher>Bethesda, MD: Taylor & Francis Group</publisher><subject>Agnatha. 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When the density and biomass of drifting invertebrates declined with water temperature during the fall, stomach contents and body conditions substantially decreased among both wild and stocked fish. During the coldest portion of the winter, the density of small drifting invertebrates increased as did the body conditions of both wild and hatchery trout. We suggest that the perceived increase in body conditions during late winter was due to survival of fish with higher body conditions and not growth of fish from fall to late winter.</description><subject>Agnatha. Pisces</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Autoecology</subject><subject>Biological and medical sciences</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Invertebrata</subject><subject>Oncorhynchus mykiss</subject><subject>USA, Wyoming</subject><subject>Vertebrata</subject><issn>0002-8487</issn><issn>1548-8659</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqdkd1q2zAAhc3YYFm3dxAM9gN1asmWJa9jkLpLl9ERWDJ6KWT9NBqO1ElKQ56grz2JlF7uYldCRx_ngL6iOIPVFGJCziBuaElb3H1AVVV9hKj7DCElny4Xq3528QVNq2m_PEfPiskT-byYJBSVtKHkZfEqhN_piklLJ8XDpTc6GnsLFvZe-agGz6MKp2AV3ZaLDeidjcrGlHArwYWThxxJE42zATgNvu_ulTWjAj-5sYPbg7V3uwi0d1sw5-MI4iYFtxtwY1KTB8YCDm4ObptH19yM-zToXxcvNB-DevN4nhS_5l_X_bfyenm16GfXpagJJaXoOowl1UMrGykJEhLqhquGdwi3ELdUtBVuWorF0A0aCd0hRFRVawFlLWtUnxTvj7133v3ZqRDZ1gShxpFb5XaBUdI1bUdqnMh3_yQhoQhWOFdeHUHhXQheaXbnzZb7A4MVy8pYFsGyCJaVsaSMZWXsqIwhVrF-yXLT28dJHgQftedWmPBUR5u6hW2ifhypffr1w_-OsfVsvsoP9V_lKLF6</recordid><startdate>200009</startdate><enddate>200009</enddate><creator>Simpkins, Darin G.</creator><creator>Hubert, Wayne A.</creator><general>Taylor & Francis Group</general><general>American Fisheries Society</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>H98</scope><scope>L.G</scope></search><sort><creationdate>200009</creationdate><title>Drifting Invertebrates, Stomach Contents, and Body Conditions of Juvenile Rainbow Trout from Fall through Winter in a Wyoming Tailwater</title><author>Simpkins, Darin G. ; Hubert, Wayne A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3787-c9955d8fb6d4dd72cd1f4ae4a92561568c6054685cb9bf2cf9227e03fc1d3d323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Agnatha. 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Psychology</topic><topic>Invertebrata</topic><topic>Oncorhynchus mykiss</topic><topic>USA, Wyoming</topic><topic>Vertebrata</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Simpkins, Darin G.</creatorcontrib><creatorcontrib>Hubert, Wayne A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Aquaculture Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Transactions of the American Fisheries Society (1900)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Simpkins, Darin G.</au><au>Hubert, Wayne A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Drifting Invertebrates, Stomach Contents, and Body Conditions of Juvenile Rainbow Trout from Fall through Winter in a Wyoming Tailwater</atitle><jtitle>Transactions of the American Fisheries Society (1900)</jtitle><date>2000-09</date><risdate>2000</risdate><volume>129</volume><issue>5</issue><spage>1187</spage><epage>1195</epage><pages>1187-1195</pages><issn>0002-8487</issn><eissn>1548-8659</eissn><coden>TAFSAI</coden><abstract>We investigated the availability of drifting invertebrates and the stomach contents and body conditions of stocked (hatchery) and naturally spawned (wild) juvenile (20–25 cm total length) rainbow trout from fall through winter in the Big Horn River downstream from Boysen Dam in Wyoming. When the density and biomass of drifting invertebrates declined with water temperature during the fall, stomach contents and body conditions substantially decreased among both wild and stocked fish. During the coldest portion of the winter, the density of small drifting invertebrates increased as did the body conditions of both wild and hatchery trout. We suggest that the perceived increase in body conditions during late winter was due to survival of fish with higher body conditions and not growth of fish from fall to late winter.</abstract><cop>Bethesda, MD</cop><pub>Taylor & Francis Group</pub><doi>10.1577/1548-8659(2000)129<1187:DISCAB>2.0.CO;2</doi><tpages>9</tpages></addata></record> |
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| ispartof | Transactions of the American Fisheries Society (1900), 2000-09, Vol.129 (5), p.1187-1195 |
| issn | 0002-8487 1548-8659 |
| language | eng |
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| source | Access via Wiley Online Library |
| subjects | Agnatha. Pisces Animal and plant ecology Animal, plant and microbial ecology Animals Autoecology Biological and medical sciences Freshwater Fundamental and applied biological sciences. Psychology Invertebrata Oncorhynchus mykiss USA, Wyoming Vertebrata |
| title | Drifting Invertebrates, Stomach Contents, and Body Conditions of Juvenile Rainbow Trout from Fall through Winter in a Wyoming Tailwater |
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