Lake Roosevelt Fisheries Evaluation Program; Movements and Growth of Marked Walleye Recaptured in Lake Roosevelt, 2000-2001 Annual Report.

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Walleye (Stizostedion vitreum) have been marked with floy tags in Lake Roosevelt since 1997 to estimate abundance, distribution and movement trends. In 2000, walleye were collected and marked during the spawning run in the Spokane River through electrofishing and angling to supplement movement and growth data collected in previous years. Walleye were also collected and marked during the 2000 and 2001 Kettle Falls Governor's Cup Walleye Tournaments. Seventy-six tag returns were recovered in 2000 and twenty-three in 2001. Walleye migrated into the Spokane River to spawn in mid April and early May. The majority of marked walleye were recovered within ... continued below

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44 pages

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McLellan, Holly & Scholz, Allan March 1, 2002.

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Description

Walleye (Stizostedion vitreum) have been marked with floy tags in Lake Roosevelt since 1997 to estimate abundance, distribution and movement trends. In 2000, walleye were collected and marked during the spawning run in the Spokane River through electrofishing and angling to supplement movement and growth data collected in previous years. Walleye were also collected and marked during the 2000 and 2001 Kettle Falls Governor's Cup Walleye Tournaments. Seventy-six tag returns were recovered in 2000 and twenty-three in 2001. Walleye migrated into the Spokane River to spawn in mid April and early May. The majority of marked walleye were recovered within 25 km of their original marking location, with a few traveling long distances between recovery locations. Data also verified earlier results that walleye establish summer home ranges. Some walleye remained in the Spokane River, while others moved downstream, or upstream after entering the mainstem of Lake Roosevelt. Those moving upstream moved as far north as Keenlyside Dam in British Columbia (245 km). Growth data indicated similar trends exhibited in the past. Walleye growth and mortality rates were consistent with other walleye producing waters. Walleye condition was slightly below average when compared to other systems.

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44 pages

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  • Report No.: DOE/BP-00000118-3
  • Grant Number: 118 REL 1
  • DOI: 10.2172/961892 | External Link
  • Office of Scientific & Technical Information Report Number: 961892
  • Archival Resource Key: ark:/67531/metadc927439

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  • March 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Nov. 29, 2016, 4:46 p.m.

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McLellan, Holly & Scholz, Allan. Lake Roosevelt Fisheries Evaluation Program; Movements and Growth of Marked Walleye Recaptured in Lake Roosevelt, 2000-2001 Annual Report., report, March 1, 2002; Portland, Oregon. (digital.library.unt.edu/ark:/67531/metadc927439/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.