Sharks In Danger

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Sharks In Danger

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Author : Rachel Cunningham-Day
language : en
Publisher: Dissertation.com
Release Date : 2001

Sharks In Danger written by Rachel Cunningham-Day and has been published by Dissertation.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Law categories.

This book reviews the current status of, and threats to, shark populations globally with special reference to the basking shark and the great white shark. This book outlines why sharks are a valuable resource, identifies threats to sharks and where they occur and reviews what we need to know about sharks in order to protect them. Fisheries management procedures are investigated to target areas requiring future research and implementation. Conservation initiatives, legislation, and international agreements are reviewed and future measures suggested. Case histories on the basking shark and the great white shark detail threats specific to these species and identify research and management requirements. Sharks are a valuable resource both directly through shark watching trips, medical research and commercial and recreational fisheries, and indirectly through the selection pressure they exert on our teleost fisheries, the part they play in maintaining the ecology of the ocean and their intrinsic scientific value. Identifiable threats to sharks are recreational and commercial overfishing and environmental degradation rendered by man such as development of nursery and mating zones and disturbance of the marine environment through netting and trawling. Particular threats to sharks worldwide are the exploitative fin and cartilage trades. Information required for the sustainable management of sharks include life history episodes such as reproductive rates, vulnerable life stages, population dynamics and spatial and temporal distribution. An indepth analysis of white sharks and basking sharks reveal similarities in their reproductive strategies such that both species will follow similar management practices. In reviewing fishery management practises it was found that sustainable management plans must be based upon reproductive rates requiring knowledge of life histories. Life history information is often required for legislative protection such that extremely rare species cannot be considered. Protective legislation should be targeted towards individual species and vulnerable life stages, particularly nursery and mating zones. Further legislation should be enacted to improve current knowledge through data collection.

Shark Sharks In Danger

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Author : Paul Mason
language : en
Publisher:
Release Date : 2017-09

Shark Sharks In Danger written by Paul Mason and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09 with categories.

Great White Shark

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Author : Richard Spilsbury
language : en
Publisher: Heinemann-Raintree Library
Release Date : 2004

Great White Shark written by Richard Spilsbury and has been published by Heinemann-Raintree Library this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Juvenile Nonfiction categories.

What makes a great white shark warm-bodied, but not warm-blooded? How many teeth does a great white shark have? What are denticles? Are great white sharks more dangerous to people? Or, are people more dangerous to the great white shark? In Great White Shark, you will learn what is fact and what is fiction where the great white is concerned. Find out what it usually eats. Learn why it sometimes bites people, yet does not always kill the person it bites. Will the great white shark survive the dangers in its habitat, including fishing vessels and tourists?

Sharks

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Author : Ann McGovern
language : en
Publisher: Scholastic
Release Date : 1977-06

Sharks written by Ann McGovern and has been published by Scholastic this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977-06 with Juvenile Nonfiction categories.

Easy-to-read text and pictures answer basic questions about sharks.

Dangerous Marine Animals

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Author : Bruce W. Halstead
language : en
Publisher: Cornell Maritime Press/Tidewater Publishers
Release Date : 1995

Dangerous Marine Animals written by Bruce W. Halstead and has been published by Cornell Maritime Press/Tidewater Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Nature categories.

What would you do if faced with a school of sharks in a feeding frenzy? Find out in this book, unquestionably the most authoritative compact guide to the world of underwater animals that are poisonous, venomous, and electric. It is an excellent practical handbook for sailors, marine biologists, ecologists, naturalists, physicians, students, and scuba divers--in short, anyone interested in the denizens of shallow marine waters and the deep. This new edition describes and fully illustrates these dangerous marine animals, their noxious effects, treatment of ailments resulting from them, and, most importantly, how to avoid mishaps. More than two hundred illustrations, including many color photographs new to this edition, show the animals in their true forms and in their natural habitats. Dangerous Marine Animals is the culmination of more than forty years of intensive research by Dr. Bruce Halstead, a renowned marine biologist/toxicologist, who has traveled and studied marine creatures in over 150 countries.

Shark Safari

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Author : Hal Scharp
language : en
Publisher:
Release Date : 1975

Shark Safari written by Hal Scharp and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Nature categories.

The Sharks

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Author : Robert Forrest Burgess
language : en
Publisher:
Release Date : 1970

The Sharks written by Robert Forrest Burgess and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Sharks categories.

Examines the various species of the shark family, how they are useful to science, and what is being done to preserve them. Also traces man's fears and superstitions about sharks.

Sharks Of The World

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Author : Leonard J. V. Compagno
language : en
Publisher:
Release Date : 1984

Sharks Of The World written by Leonard J. V. Compagno and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Sharks categories.

The National Druggist

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Author :
language : en
Publisher:
Release Date : 1899

The National Druggist written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1899 with Drugstores categories.

Dangerous Marine Creatures

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Author : Carl Edmonds
language : en
Publisher: Raupo
Release Date : 1989

Dangerous Marine Creatures written by Carl Edmonds and has been published by Raupo this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Nature categories.