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Author: Roger Dean Harding
Publisher:
ISBN:
Category : Fish populations
Languages : en
Pages : 30
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Book Description
Report of a mark-recapture experiment to estimate abundance of cutthroat trout (Oncorhynchus clarki) in Florence Lake on Admiralty Island in southeastern Alaska near Juneau in 1991.
Author: Roger Dean Harding
Publisher:
ISBN:
Category : Fish populations
Languages : en
Pages : 30
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Book Description
Report of a mark-recapture experiment to estimate abundance of cutthroat trout (Oncorhynchus clarki) in Florence Lake on Admiralty Island in southeastern Alaska near Juneau in 1991.
Author: Jesse Douglas Jones
Publisher:
ISBN:
Category : Trout
Languages : en
Pages : 38
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Book Description
Results of mark-and-recapture experiments to estimate abundance of cutthroat trout (Oncorhynchus clarki) in Turner Lake southeast of Juneau and in Florence Lake on Admiralty Island, in southeast Alaska.
Author: Jesse Douglas Jones
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 41
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Book Description
Report of a mark-recapture experiment to estimate abundance of cutthroat trout (Oncorhynchus clarki) in lakes (Florence and Hasselborg), on Admiralty Island in southeastern Alaska near Juneau in 1991.
Author: Jesse Douglas Jones
Publisher:
ISBN:
Category : Trout
Languages : en
Pages : 44
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Book Description
Estimates of the population of cutthroat trout (Onchorhynchus clarki), Dolly Varden char (Salvelinus malma) and kokanee (Onchorhynchus nerka) in Turner Lake southeast of Juneau and Florence Lake on the west side of Admiralty Island, in southeast Alaska.
Author: Peter D. Bangs
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 15
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Book Description
This document reports on the results of a two-event mark-recapture study which was conducted at Florence Lake in 2003 to estimate the abundance and length composition of cutthroat trout, Oncorhynchus clarki.
Author: Matthew Birch Foster
Publisher:
ISBN:
Category : Coastal cutthroat trout
Languages : en
Pages : 252
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Book Description
The resident coastal cutthroat trout Oncorhynchus clarki clarki population in Florence Lake, Southeast Alaska was sampled from July through October, 1997 to assess its maturity, fecundity, growth and sustained yield. Maturing female cutthroat have significant gonad development between mid September and late October. A gonadosomatic index threshold was established for female cutthroat trout. A logistic model for maturity estimated asymptotic percentages by age and length: 92% and 100% for males and 86% and 80% for females, indicating presence of skip spawning. Male cutthroat trout matured earlier and at smaller length than females, but females matured more rapidly. An allometric model fitted fecundity data well. Schnute's growth model indicated that growth was relatively slow. An ll-inch (279 mm) minimum size limit allows a high proportion of trout at Florence Lake to spawn at least once. Age-based and length-based per recruit analyses performed comparably and established sustainable fishing mortality estimates.
Author: Peter D. Bangs
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 22
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Book Description
A two-event mark-recapture study was conducted during 2002 at Florence Lake in Southeast Alaska to estimate the abundance and length composition of coastal cutthroat trout Oncorhynchus clarki clarki. Fish were captured with hook and line gear and hoop traps, marked with t-bar anchor tags, and given a dye mark as a secondary mark. The pooled Petersen estimate of abundance of cutthroat trout =180 mm FL was 13,515 fish (SE = 1,010; 95% CI = 11,534 - 15,495). Most of the cutthroat trout =180 mm FL were estimated to be =300 mm FL ( = 0.987, SE = 0.054). A much smaller proportion were 301-360 mm FL ( = 0.02, SE = 0.006), and very few fish were =360 mm FL ( = 0.005, SE = 0.002). Although the Petersen estimate was biased, abundance estimates and length composition of large and small fish were relatively similar to estimates from 1994 and 2003
Author: Roger Dean Harding
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 12
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Book Description
Author: Jesse Douglas Jones
Publisher:
ISBN:
Category : Trout
Languages : en
Pages : 39
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Book Description
Author: Roger Dean Harding
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 32
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Book Description
