Synopsis of the Biology of the Swordfish, Xiphias Gladius Linnaeus PDF Download
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Author: Barbara Jayne Palko
Publisher:
ISBN:
Category : Swordfish
Languages : en
Pages : 30
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Book Description
Author: Barbara Jayne Palko
Publisher:
ISBN:
Category : Swordfish
Languages : en
Pages : 30
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Book Description
Author: J. V. Shireman
Publisher: Food & Agriculture Org.
ISBN: 9789251013595
Category : Pets
Languages : en
Pages : 96
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Book Description
Author: Mark R. Millikin
Publisher:
ISBN:
Category : Blue crab
Languages : en
Pages : 324
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Book Description
Author: W. N. Witzell
Publisher: Food & Agriculture Org.
ISBN: 9789251013564
Category : Nature
Languages : en
Pages : 88
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Book Description
Author: Walter M. Matsumoto
Publisher:
ISBN:
Category : Skipjack tuna
Languages : en
Pages : 100
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 242
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Book Description
Author: Kathleen Sabina Cole
Publisher: Univ of California Press
ISBN: 0520264339
Category : Nature
Languages : en
Pages : 432
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Book Description
"Understanding reproduction in marine fishes is critical to their conservation. It is also a fascinating topic in its own right. This book is now the best single reference on the subject, with original insights, analysis, and information. Anyone interested in the fascinating diversity of ways fish reproduce will want to have a copy of this book handy."--Peter Moyle, co-author of Protecting Life on Earth "Cole has assembled the internationally recognized authorities and they successfully cover topics of critical interest to behaviorists, ecologists, anatomists, physiologists, and conservation biologists. These experts demonstrate the amazing diversity and complexity of sexual and reproductive characteristics that have evolved among marine fishes."--Gene Helfman, co-author of The Diversity of Fishes: Biology, Evolution and Ecology "Kathleen Cole and her contributing authors raise from the depths of ignorance many neglected themes in the reproductive biology and fluid sexuality of marine fishes. The sheer richness of the data and the enthusiastic, engaging and thoughtful ways in which they are presented will encourage further research and discovery in biology of marine fishes and their complex and dynamic habitats."--Lynne Parenti, co-author of Comparative Biogeography
Author:
Publisher:
ISBN:
Category : Swordfish fisheries
Languages : en
Pages : 156
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 136
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Book Description
Author: Alexander J. Chester
Publisher:
ISBN:
Category : Atlantic menhaden
Languages : en
Pages : 464
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Book Description
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.
