The Design and Analysis of Salmonid Tagging Studies in the Columbia Basin; Volume X; Instructional Guide to Using Program Capthist to Create Surph Files for Survival Analysis Using Ptagis Data Files PDF Download
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Languages : en
Pages :
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Project 89-107, Epidemiological Survival Methods, was developed to provide statistical guidance on the design and analysis of PIT-tag survival studies to the Northwest fisheries community.
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Category :
Languages : en
Pages :
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Book Description
Project 89-107, Epidemiological Survival Methods, was developed to provide statistical guidance on the design and analysis of PIT-tag survival studies to the Northwest fisheries community.
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Category :
Languages : en
Pages :
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Author: Peter Westhagen
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Category : Biometry
Languages : en
Pages : 17
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This report describes program CaptHist, a data processing utility for converting raw PIT-tag data from PTAGIS into SURPH data input format for use in survival analysis.
Author: Ken Newman
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ISBN:
Category : Biometry
Languages : en
Pages : 23
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This report "addresses measure 5.0F.5 of the 1994 NPPC Fish and Wildlife Program with emphasis on improved design and analysis capabilities related to the conduct of salmonid tagging studies in the Columbia River Basin. Double-tagging procedures are investigated where PIT-tags would be used to provide in-river survival data during smolt outmigrations and coded-wire tags (CWT) used to provide adult return information. This report provides statistical models for the analysis of joint data as well as reoommendations on optimal tagging studies."
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Languages : en
Pages : 28
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Experiment designs to estimate the effect of transportation on survival and return rates of Columbia River system salmonids are discussed along with statistical modeling techniques. Besides transportation, river flow and dam spill are necessary components in the design and analysis otherwise questions as to the effects of reservoir drawdowns and increased dam spill may never be satisfactorily answered. Four criteria for comparing different experiment designs are: (1) feasibility, (2) clarity of results, (3) scope of inference, and (4) time to learn. In this report, alternative designs for conducting experimental manipulations of smolt tagging studies to study effects of river operations such as flow levels, spill fractions, and transporting outmigrating salmonids around dams in the Columbia River system are presented. The principles of study design discussed in this report have broad implications for the many studies proposed to investigate both smolt and adult survival relationships. The concepts are illustrated for the case of the design and analysis of smolt transportation experiments. The merits of proposed transportation studies should be measured relative to these principles of proper statistical design and analysis.
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Category :
Languages : en
Pages : 42
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Book Description
Project 89-107, Epidemiological Survival Methods, was developed to provide statistical guidance on the design and analysis of PIT-tag survival studies to the Northwest fisheries community.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Passive Integrated Transponder (PIT) tags and Coded Wire Tags (CWTs) in combination can provide information about salmonid survival that single tag releases may not. The release and recapture protocol affects which survival and recapture rates can be estimated and the precision of the estimates. For the particular case of Columbia river salmonids tagged with both PIT tags and CWTs, three different release and recapture protocols were evaluated. This report addresses the need to study the fate of salmon smolt in-river and their subsequent return as adults. Double-tagging procedures are investigated where PIT-tags would be used to provide in-river survival data during smolt outmigrations and coded-wire tags (CWT) used to provide adult return information. This report provides statistical models for the analysis of the joint data as well as recommendations on optimal tagging studies. Study costs and stress on smolt can be reduced by only PIT-tagging a subset of all the fish coded-wire-tagged, while retaining the information content and sampling precision.
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Category : Civil war
Languages : en
Pages : 30
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Category :
Languages : en
Pages : 36
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Author: Ken Newman
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Category : Endangered species
Languages : en
Pages : 18
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