Sampling Statistics In The Atlantic Menhaden Fishery
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Sampling Statistics In The Atlantic Menhaden Fishery
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Author : Alexander J. Chester
language : en
Publisher:
Release Date : 1984
Sampling Statistics In The Atlantic Menhaden Fishery written by Alexander J. Chester and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Atlantic menhaden categories.
Atlantic menhaden, Brevootia tyrannus, the object of a major purse-seine fishery along the U.S. east coast, are landed at plants from northern Florida to central Maine. The National Marine Fisheries Service has sampled these landings since 1955 for length, weight, and age. Together with records of landings at each plant, the samples are used to estimate numbers of fish landed at each age. This report analyzes the sampling design in terms of probability sampling theory. The design is classified as two-stage cluster sampling, the first stage consisting of purse-seine sets randomly selected from the population of all sets landed, and the second state consisting of fish randomly selected from each sample set. Implicit assumptions of this design are discussed with special attention to current sampling procedures. Methods are developed for estimating mean fish weight, numbers of fish landed, and age composition of the catch, with approximate 95% confidence intervals. Based on specific results from three ports (Port Monmouth, N.J., Reedville, Va., and Beaufort, N.C.) for the 1979 fishing season, recommendations are made for improving sampling procedures to comply more exactly with assumptions of the sampling design. These recommendations include adopting more formal methods for randomizing set and fish selection, increasing the number of sets sampled, considering the bias introduced by unequal set sizes, and developing methods to optimize the use of funds and personnel.
Noaa Technical Report Nmfs
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Author :
language : en
Publisher:
Release Date : 1984
Noaa Technical Report Nmfs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Fisheries categories.
Fishery Bulletin
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Author :
language : en
Publisher:
Release Date : 2010
Fishery Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Fisheries categories.
Sampling Statistics In The Atlantic Menhaden Fishery
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Author :
language : en
Publisher:
Release Date : 1984
Sampling Statistics In The Atlantic Menhaden Fishery written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
Report Of The Bureau Of Commercial Fisheries Biological Laboratory Beaufort N C For The Fiscal Year Ending June 30 1968
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Author : Biological Laboratory (Beaufort, N.C.)
language : en
Publisher:
Release Date : 1970
Report Of The Bureau Of Commercial Fisheries Biological Laboratory Beaufort N C For The Fiscal Year Ending June 30 1968 written by Biological Laboratory (Beaufort, N.C.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Anadromous fishes categories.
Report Of The Bureau Of Commercial Fisheries Biological Laboratory Beaufort N C
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Author : United States. Bureau of Commercial Fisheries. Biological Laboratory, Beaufort, N.C.
language : en
Publisher:
Release Date : 1968
Report Of The Bureau Of Commercial Fisheries Biological Laboratory Beaufort N C written by United States. Bureau of Commercial Fisheries. Biological Laboratory, Beaufort, N.C. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Anadromous fishes categories.
Marine Fisheries Review
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Author :
language : en
Publisher:
Release Date : 1991
Marine Fisheries Review written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Fisheries categories.
Bureau Of Commercial Fisheries Biological Laboratory Auke Bay Alaska
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Author : United States. Bureau of Commercial Fisheries
language : en
Publisher:
Release Date : 1970
Bureau Of Commercial Fisheries Biological Laboratory Auke Bay Alaska written by United States. Bureau of Commercial Fisheries and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Fishery research stations categories.
Report Of The Bureau Of Commercial Fisheries Biological Laboratory Gulf Breeze Florida Fiscal Year 1966
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Author : Biological Laboratory (Gulf Breeze, Fla.)
language : en
Publisher:
Release Date : 1967
Report Of The Bureau Of Commercial Fisheries Biological Laboratory Gulf Breeze Florida Fiscal Year 1966 written by Biological Laboratory (Gulf Breeze, Fla.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Estuarine ecology categories.
Circular
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Author :
language : en
Publisher:
Release Date : 1967
Circular written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Wildlife conservation categories.