Abundance of Cutthroat Trout in Auke Lake, Southeast Alaska, in 2005 and 2006 PDF Download
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Author: Roger Dean Harding
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 25
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Book Description
This document reports on cutthroat trout assessments in 2005 and 2006 in Auke Lake, near Juneau, Alaska.
Author: Roger Dean Harding
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 25
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Book Description
This document reports on cutthroat trout assessments in 2005 and 2006 in Auke Lake, near Juneau, Alaska.
Author: Judith Lynn Lum
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 19
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Book Description
This document reports on cutthroat trout assessments in 2004 in Auke Lake, near Juneau, Alaska.
Author: Peter D. Bangs
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 17
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Book Description
This document reports on the results of a two-event mark-recapture study which was conducted at Turner Lake in 2005 to estimate the abundance and length composition of cutthroat trout, Oncorhynchus clarki. Summary data for the 2004 study is also given.
Author: Peter D. Bangs
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 20
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Book Description
This document reports on the results of a two-event mark-recapture study which was conducted at Patching Lake in 2005 to estimate the abundance and length composition of cutthroat trout, Oncorhynchus clarki.
Author: Derek H. Ogle
Publisher: CRC Press
ISBN: 131536252X
Category : Mathematics
Languages : en
Pages : 317
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Book Description
A How-To Guide for Conducting Common Fisheries-Related Analyses in R Introductory Fisheries Analyses with R provides detailed instructions on performing basic fisheries stock assessment analyses in the R environment. Accessible to practicing fisheries scientists as well as advanced undergraduate and graduate students, the book demonstrates the flexibility and power of R, offers insight into the reproducibility of script-based analyses, and shows how the use of R leads to more efficient and productive work in fisheries science. The first three chapters present a minimal introduction to the R environment that builds a foundation for the fisheries-specific analyses in the remainder of the book. These chapters help you become familiar with R for basic fisheries analyses and graphics. Subsequent chapters focus on methods to analyze age comparisons, age-length keys, size structure, weight-length relationships, condition, abundance (from capture-recapture and depletion data), mortality rates, individual growth, and the stock-recruit relationship. The fundamental statistical methods of linear regression, analysis of variance (ANOVA), and nonlinear regression are demonstrated within the contexts of these common fisheries analyses. For each analysis, the author completely explains the R functions and provides sufficient background information so that you can confidently implement each method. Web Resource The author’s website at http://derekogle.com/IFAR/ includes the data files and R code for each chapter, enabling you to reproduce the results in the book as well as create your own scripts. The site also offers supplemental code for more advanced analyses and practice exercises for every chapter.
Author: Judith Lynn Lum
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 88
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Book Description
Author: Judith Lynn Lum
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 43
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Book Description
This document reports on the 2004 operation of the Auke Creek weir near Juneau, Alaska, which counted migrating sea-run Dolly Varden, Salvelinus malma; cutthroat trout, Oncorhynchus clarki; and other species of Pacific salmon, Oncorhynchus spp.
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: John Aram Der Hovanisian
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 21
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Book Description
Author: Roger Dean Harding
Publisher:
ISBN:
Category : Cutthroat trout
Languages : en
Pages : 22
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Book Description
