Wenatchee River Salmon Escapement Estimates Using Video Tape Technology in 1990 PDF Download
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Author: Douglas R. Hatch
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 58
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Book Description
Author: Douglas R. Hatch
Publisher:
ISBN:
Category : Chinook salmon
Languages : en
Pages : 58
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Book Description
Author:
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 72
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Book Description
Author:
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 134
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 224
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Book Description
Author: David B. Irving
Publisher:
ISBN:
Category : Escapement (Fisheries)
Languages : en
Pages : 110
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Book Description
Provides results of a three year study to test the feasbility of using sonar in the Togiak River to estimate salmon escapements.
Author: Brenda McComb
Publisher: CRC Press
ISBN: 1420070584
Category : Science
Languages : en
Pages : 300
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Book Description
In the face of so many unprecedented changes in our environment, the pressure is on scientists to lead the way toward a more sustainable future. Written by a team of ecologists, Monitoring Animal Populations and Their Habitats: A Practitioner’s Guide provides a framework that natural resource managers and researchers can use to design monitoring programs that will benefit future generations by distilling the information needed to make informed decisions. In addition, this text is valuable for undergraduate- and graduate-level courses that are focused on monitoring animal populations. With the aid of more than 90 illustrations and a four-page color insert, this book offers practical guidance for the entire monitoring process, from incorporating stakeholder input and data collection, to data management, analysis, and reporting. It establishes the basis for why, what, how, where, and when monitoring should be conducted; describes how to analyze and interpret the data; explains how to budget for monitoring efforts; and discusses how to assemble reports of use in decision-making. The book takes a multi-scaled and multi-taxa approach, focusing on monitoring vertebrate populations and upland habitats, but the recommendations and suggestions presented are applicable to a variety of monitoring programs. Lastly, the book explores the future of monitoring techniques, enabling researchers to better plan for the future of wildlife populations and their habitats. Monitoring Animal Populations and Their Habitats: A Practitioner’s Guide furthers the goal of achieving a world in which biodiversity is allowed to evolve and flourish in the face of such uncertainties as climate change, invasive species proliferation, land use expansion, and population growth.
Author:
Publisher:
ISBN:
Category : Aquatic plants
Languages : en
Pages : 264
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Book Description
Author: Mark V. Stalmaster
Publisher: Universe Publishing(NY)
ISBN:
Category : Nature
Languages : en
Pages : 256
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Book Description
A thorough study of the bald eagle with information on evolution, classification, breeding and nesting, feeding and foraging, reproduction and survival.
Author: K.E. Cooksey
Publisher: Springer Science & Business Media
ISBN: 9401149283
Category : Science
Languages : en
Pages : 562
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Book Description
Marine biological science is now studied at the molecular level and although research scientists depend on information gained using molecular techniques, there is no book explaining the philosophy of this approach. Molecular Approaches to the Study of the Ocean introduces the reasons why molecular technology is such a powerful tool in the study of the oceans, describing the types of techniques that can be used, why they are useful and gives examples of their application. Molecular biological techniques allow phylogenetic relationships to be explored in a manner that no macroscopic method can; although the book deals with organisms near the base of the marine food web, the ideas can be used in studies of macroorganisms as well as those in freshwater environments.
Author: Stephen Herrero
Publisher: Rowman & Littlefield
ISBN: 149303457X
Category : Nature
Languages : en
Pages : 321
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Book Description
What causes bear attacks? When should you play dead and when should you fight an attacking bear? What do we know about black and grizzly bears and how can this knowledge be used to avoid bear attacks? And, more generally, what is the bear’s future? Bear Attacks is a thorough and unflinching landmark study of the attacks made on men and women by the great grizzly and the occasionally deadly black bear. This is a book for everyone who hikes, camps, or visits bear country–and for anyone who wants to know more about these sometimes fearsome but always fascinating wild creatures.
