Evaluation of Two Different Stocking Rates of Small Walleye Fingerlings in Minnesota Lakes
We compared the performance of two differing stocking densities of small (mean TL = 72 mm) fingerling Walleyes Sander vitreus in 19 Minnesota lakes. Fingerlings were stocked annually from 2008 to 2011 in June at densities of either 30 (low) or 60 (high) per littoral hectare. Although gill nets yield...
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| Veröffentlicht in: | North American journal of fisheries management 2017-12, Vol.37 (6), p.1243-1248 |
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| container_title | North American journal of fisheries management |
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| creator | Reed, Jeffrey R. Staples, David F. |
| description | We compared the performance of two differing stocking densities of small (mean TL = 72 mm) fingerling Walleyes Sander vitreus in 19 Minnesota lakes. Fingerlings were stocked annually from 2008 to 2011 in June at densities of either 30 (low) or 60 (high) per littoral hectare. Although gill nets yielded low sample sizes, we found no significant difference between gill‐net catch rates at age 3 between treatments or years. On average, small Walleye fingerlings contributed 15% (0–72%) to the overall gill‐net catches in stocked lakes. In lakes where small fingerlings have had a record of success, we recommend managers stocking this life stage use the lower treatment density (30/littoral hectare) and consider it a maximum rate when seeking stocking efficiencies. Due to low sample sizes, we also recommend following stocking events more closely with other sampling methods, such as fall electrofishing.
Received April 26, 2017; accepted August 2, 2017Published online October 20, 2017 |
| doi_str_mv | 10.1080/02755947.2017.1365784 |
| format | Article |
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Received April 26, 2017; accepted August 2, 2017Published online October 20, 2017</description><subject>Developmental stages</subject><subject>Electric fishing</subject><subject>Evaluation</subject><subject>Fingerlings</subject><subject>Fish</subject><subject>Fishing nets</subject><subject>Freshwater fishes</subject><subject>Lakes</subject><subject>Marine fishes</subject><subject>Sampling</subject><subject>Sampling methods</subject><subject>Stocking</subject><subject>Stocking rates</subject><issn>0275-5947</issn><issn>1548-8675</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqNUMFKAzEQDaJgrX6CEPC8NdkknSyeSm1VaBVsRfAS0jWRtNtNTbaW_r1ZWu_O4c3Ae2-GeQhdU9KjRJJbkoMQBYdeTij0KOsLkPwEdajgMpN9EKeo02qyVnSOLmJcEkKEFHkHfYx-dLXVjfM19hbPdx7fO2tNMHWDZ40vV67-wq-6MbHlZ2tdVfg9gdkbPE6cCVXCiF2Np66uTfSNxhO9MvESnVldRXN17F30Nh7Nh4_Z5OXhaTiYZCVLlYGGdhDMcquphZJqKUVZLigTtuA80VJCAaAlmP6CsyLRRAjQOSM6_2RddHPYuwn-e2tio5Z-G-p0UtECBOSkoEVSiYOqDD7GYKzaBLfWYa8oUW2M6i9G1caojjEm393Bt3Pp5_-Z1PNgPKU5Z-wXtu906A</recordid><startdate>201712</startdate><enddate>201712</enddate><creator>Reed, Jeffrey R.</creator><creator>Staples, David F.</creator><general>Taylor & Francis</general><general>John Wiley & Sons, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QH</scope><scope>7QL</scope><scope>7SN</scope><scope>7ST</scope><scope>7T7</scope><scope>7TN</scope><scope>7U9</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H94</scope><scope>H95</scope><scope>H98</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>201712</creationdate><title>Evaluation of Two Different Stocking Rates of Small Walleye Fingerlings in Minnesota Lakes</title><author>Reed, Jeffrey R. ; Staples, David F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3333-7a7c33353f4fa1f7c1a885ccb135f944a7c887977a87e6b4398850557a230a2d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Developmental stages</topic><topic>Electric fishing</topic><topic>Evaluation</topic><topic>Fingerlings</topic><topic>Fish</topic><topic>Fishing nets</topic><topic>Freshwater fishes</topic><topic>Lakes</topic><topic>Marine fishes</topic><topic>Sampling</topic><topic>Sampling methods</topic><topic>Stocking</topic><topic>Stocking rates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Reed, Jeffrey R.</creatorcontrib><creatorcontrib>Staples, David F.</creatorcontrib><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Aqualine</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Oceanic Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Aquaculture Abstracts</collection><collection>ASFA: Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>North American journal of fisheries management</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Reed, Jeffrey R.</au><au>Staples, David F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of Two Different Stocking Rates of Small Walleye Fingerlings in Minnesota Lakes</atitle><jtitle>North American journal of fisheries management</jtitle><date>2017-12</date><risdate>2017</risdate><volume>37</volume><issue>6</issue><spage>1243</spage><epage>1248</epage><pages>1243-1248</pages><issn>0275-5947</issn><eissn>1548-8675</eissn><abstract>We compared the performance of two differing stocking densities of small (mean TL = 72 mm) fingerling Walleyes Sander vitreus in 19 Minnesota lakes. Fingerlings were stocked annually from 2008 to 2011 in June at densities of either 30 (low) or 60 (high) per littoral hectare. Although gill nets yielded low sample sizes, we found no significant difference between gill‐net catch rates at age 3 between treatments or years. On average, small Walleye fingerlings contributed 15% (0–72%) to the overall gill‐net catches in stocked lakes. In lakes where small fingerlings have had a record of success, we recommend managers stocking this life stage use the lower treatment density (30/littoral hectare) and consider it a maximum rate when seeking stocking efficiencies. Due to low sample sizes, we also recommend following stocking events more closely with other sampling methods, such as fall electrofishing.
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| issn | 0275-5947 1548-8675 |
| language | eng |
| recordid | cdi_proquest_journals_1975720919 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Developmental stages Electric fishing Evaluation Fingerlings Fish Fishing nets Freshwater fishes Lakes Marine fishes Sampling Sampling methods Stocking Stocking rates |
| title | Evaluation of Two Different Stocking Rates of Small Walleye Fingerlings in Minnesota Lakes |
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