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Titlebook: On the Dynamics of Exploited Fish Populations; Raymond J. H. Beverton,Sidney J. Holt Book 1993 Springer Science+Business Media Dordrecht 1

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书目名称On the Dynamics of Exploited Fish Populations
编辑Raymond J. H. Beverton,Sidney J. Holt
视频video
丛书名称Fish & Fisheries Series
图书封面Titlebook: On the Dynamics of Exploited Fish Populations;  Raymond J. H. Beverton,Sidney J. Holt Book 1993 Springer Science+Business Media Dordrecht 1
描述Among the fishes, a remarkably wide range of biological adaptations to diverse habitats has evolved. As well as living in the conventional habitats of lakes, ponds, rivers, rock pools and the open sea, fish have solved the problems of life in deserts, in the deep sea, in the cold antarctic, and in warm waters of high alkalinity or of low oxygen. Along with these adaptations, we find the most impressive specializations of morphology, physiology and behaviour. For example we can marvel at the high-speed swimming of the marlins, sailfish and warm-blooded tunas, air-breathing in catfish and lungfish, parental care in the mouth-brooding cichlids, and viviparity in many sharks and toothcarps. Moreover, fish are of considerable importance to the survival of the human species in the form of nutritious, delicious and diverse food. Rational exploitation and management of our global stocks of fishes must rely upon a detailed and precise insight of their biology. The Chapman & Hall Fish and Fisheries Series aims to present timely volumes reviewing important aspects of fish biology. Most volumes will be of interest to research workers in biology, zoology, ecology and physiology but an additiona
出版日期Book 1993
关键词Adaptation; fish; fishing; growth; ecotoxicology
版次1
doihttps://doi.org/10.1007/978-94-011-2106-4
isbn_softcover978-94-010-4934-4
isbn_ebook978-94-011-2106-4Series ISSN 2542-890X Series E-ISSN 2542-8926
issn_series 2542-890X
copyrightSpringer Science+Business Media Dordrecht 1993
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Estimation of the Total Mortality Coefficient (, + ,), and the Maximum Age, ,,e of adjacent age-groups in a sample, depending on the type of data available. Certain conditions must be satisfied, apart from adequate sampling, for this direct method to give true estimates, and it may be worth while to review briefly the theory underlying the determination of total mortality rates.
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Principles and Methods of Fishery Regulationat increasing the size of mesh could also improve the state of these fisheries; in fact, we concluded in §17.6 that to obtain the best yields from the plaice, changes in both fishing intensity and mesh size would be necessary, and none of our findings in §18 has shown this to be false.
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2542-890X abitats of lakes, ponds, rivers, rock pools and the open sea, fish have solved the problems of life in deserts, in the deep sea, in the cold antarctic, and in warm waters of high alkalinity or of low oxygen. Along with these adaptations, we find the most impressive specializations of morphology, phy
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Adaptation of the Simple Model to Give Other Characteristics of the Catch and Population and mean age of fish in the catch, which are directly estimated from samples. To establish the equations giving the above characteristics we use the same definitions and assumptions as in the previous section, and it will be seen that the same general methods are applicable.
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