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Author :
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.3/5 (129 download)
Download or read book Student-originated Studies Projects written by and published by . This book was released on 1975 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Science Foundation (U.S.)
Publisher :
ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.F/5 ( download)
Download or read book Student-originated Studies Projects written by National Science Foundation (U.S.) and published by . This book was released on with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gerald K. Schultz
Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.E/5 ( download)
Download or read book Annotated Bibliography of the Lakes, Ponds, and Reservoirs of New York State Through 1974 (exclusive of Lakes Erie and Ontario) written by Gerald K. Schultz and published by . This book was released on 1976 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : North American Lake Management Society
Publisher : University of Wisconsin Press
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.:/5 (89 download)
Download or read book Managing Lakes and Reservoirs written by North American Lake Management Society and published by University of Wisconsin Press. This book was released on 2001 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written for the lake user, this third edition testifies to the success and the leadership of EPA's Clean Lakes Program.
Author : Darby Nelson
Publisher : MSU Press
ISBN 13 : 1609173317
Total Pages : 410 pages
Book Rating : 4.6/5 (91 download)
Download or read book For Love of Lakes written by Darby Nelson and published by MSU Press. This book was released on 2012-01-01 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: America has more than 130,000 lakes of significant size. Ninety percent of all Americans live within fifty miles of a lake, and our 1.8 billion trips to watery places make them our top vacation choice. Yet despite this striking popularity, more than 45 percent of surveyed lakes and 80 percent of urban lakes do not meet water quality standards. For Love of Lakes weaves a delightful tapestry of history, science, emotion, and poetry for all who love lakes or enjoy nature writing. For Love of Lakes is an affectionate account documenting our species’ long relationship with lakes—their glacial origins, Thoreau and his environmental message, and the major perceptual shifts and advances in our understanding of lake ecology. This is a necessary and thoughtful book that addresses the stewardship void while providing improved understanding of our most treasured natural feature.
Author : C. S. Reynolds
Publisher : Cambridge University Press
ISBN 13 : 1139454897
Total Pages : 437 pages
Book Rating : 4.1/5 (394 download)
Download or read book The Ecology of Phytoplankton written by C. S. Reynolds and published by Cambridge University Press. This book was released on 2006-05-04 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important new book by Colin Reynolds covers the adaptations, physiology and population dynamics of phytoplankton communities. It provides basic information on composition, morphology and physiology of the main phyletic groups represented in marine and freshwater systems and in addition reviews recent advances in community ecology.
Author : G.W. Esch
Publisher : Springer Science & Business Media
ISBN 13 : 9401123527
Total Pages : 349 pages
Book Rating : 4.4/5 (11 download)
Download or read book A Functional Biology of Parasitism written by G.W. Esch and published by Springer Science & Business Media. This book was released on 2013-03-07 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: Series Editor: Peter Calow, Department of Zoology, University of Sheffield, England The main aim of this series will be to illustrate and to explain the way organisms 'make a living' in nature. At the heart of this - their functional biology - is the way organisms acquire and then make use of resources in metabolism, movement, growth, reproduction, and so on. These processes will form the fundamental framework of all the books in the series. Each book will concentrate on a particular taxon (species, family, class or even phylum) and will bring together information on the form, physiology, ecology and evolutionary biology of the group. The aim will be not only to describe how organisms work, but also to consider why they have come to work in that way. By concentration on taxa which are well known, it is hoped that the series will not only illustrate the success of selection, but also show the constraints imposed upon it by the physiological, morphological and developmental limitations of the groups. Another important feature of the series will be its organismic orientation. Each book will emphasize the importance of functional integration in the day to-day lives and the evolution of organisms. This is crucial since, though it may be true that organisms can be considered as collections of gene determined traits, they nevertheless interact with their environment as integrated wholes and it is in this context that individual traits have been subjected to natural selection and have evolved.
Author : United States. Department of Health, Education, and Welfare. Secretary's Commission on Pesticides and Their Relationship to Environmental Health
Publisher :
ISBN 13 :
Total Pages : 712 pages
Book Rating : 4.3/5 ( download)
Download or read book Report of the Secretary's Commission on Pesticides and Their Relationship to Environmental Health written by United States. Department of Health, Education, and Welfare. Secretary's Commission on Pesticides and Their Relationship to Environmental Health and published by . This book was released on 1969 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Kimber
Publisher :
ISBN 13 : 9780884482628
Total Pages : 148 pages
Book Rating : 4.4/5 (826 download)
Download or read book A Place on Water written by Robert Kimber and published by . This book was released on 2004 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a trio of wonderful, long essays, a nature writer, a poet, and an essayist/novelist let us sit in on their friendship and what draws them, inexorably, to the same small pond in Maine. A joyful, unforgettable book.
Author : Graydon R. Hilyard
Publisher : Stackpole Books
ISBN 13 : 9780811703536
Total Pages : 202 pages
Book Rating : 4.7/5 (35 download)
Download or read book Carrie Stevens written by Graydon R. Hilyard and published by Stackpole Books. This book was released on 2000 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: This long-awaited book is both a history of the woman and the region, as well as a guide to the Stevens method. It includes color plates of original patterns, some only recently discovered, along with a biography illustrated with archival photos.
Author : Eric Verspoor
Publisher : John Wiley & Sons
ISBN 13 : 0470995831
Total Pages : 520 pages
Book Rating : 4.4/5 (79 download)
Download or read book The Atlantic Salmon written by Eric Verspoor and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atlantic Salmon is a cultural icon throughout its North Atlantic range; it is the focus of probably the World’s highest profile recreational fishery and is the basis for one of the World’s largest aquaculture industries. Despite this, many wild stocks of salmon are in decline and underpinning this is a dearth of information on the nature and extent of population structuring and adaptive population differentiation, and its implications for species conservation. This important new book will go a long way to rectify this situation by providing a thorough review of the genetics of Atlantic salmon. Sponsored by the European Union and the Atlantic Salmon Trust, this book comprises the work of an international team of scientists, carefully integrated and edited to provide a landmark book of vital interest to all those working with Atlantic salmon.
Author : Robert Thorson
Publisher : Walker Books
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.F/5 ( download)
Download or read book Beyond Walden written by Robert Thorson and published by Walker Books. This book was released on 2009-05-19 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chronicles the history of kettle lakes in the United States, including how they form, the different ways that Americans have used them throughout history, and threats that affect their future.
Author : Bror Jonsson
Publisher : Springer Science & Business Media
ISBN 13 : 9400711891
Total Pages : 720 pages
Book Rating : 4.4/5 (7 download)
Download or read book Ecology of Atlantic Salmon and Brown Trout written by Bror Jonsson and published by Springer Science & Business Media. This book was released on 2011-05-03 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Destruction of habitat is the major cause for loss of biodiversity including variation in life history and habitat ecology. Each species and population adapts to its environment, adaptations visible in morphology, ecology, behaviour, physiology and genetics. Here, the authors present the population ecology of Atlantic salmon and brown trout and how it is influenced by the environment in terms of growth, migration, spawning and recruitment. Salmonids appeared as freshwater fish some 50 million years ago. Atlantic salmon and brown trout evolved in the Atlantic basin, Atlantic salmon in North America and Europe, brown trout in Europe, Northern Africa and Western Asia. The species live in small streams as well as large rivers, lakes, estuaries, coastal seas and oceans, with brown trout better adapted to small streams and less well adapted to feeding in the ocean than Atlantic salmon. Smolt and adult sizes and longevity are constrained by habitat conditions of populations spawning in small streams. Feeding, wintering and spawning opportunities influence migratory versus resident lifestyles, while the growth rate influences egg size and number, age at maturity, reproductive success and longevity. Further, early experiences influence later performance. For instance, juvenile behaviour influences adult homing, competition for spawning habitat, partner finding and predator avoidance. The abundance of wild Atlantic salmon populations has declined in recent years; climate change and escaped farmed salmon are major threats. The climate influences through changes in temperature and flow, while escaped farmed salmon do so through ecological competition, interbreeding and the spreading of contagious diseases. The authors pinpoint essential problems and offer suggestions as to how they can be reduced. In this context, population enhancement, habitat restoration and management are also discussed. The text closes with a presentation of what the authors view as major scientific challenges in ecological research on these species.
Author : Glenn E. Myer
Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.E/5 ( download)
Download or read book Limnology of Lake Champlain written by Glenn E. Myer and published by . This book was released on 1979 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James F. Kitchell
Publisher : Springer Science & Business Media
ISBN 13 : 1461244102
Total Pages : 561 pages
Book Rating : 4.4/5 (612 download)
Download or read book Food Web Management written by James F. Kitchell and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: This series is dedicated to serving the growing community of scholars and practitioners concerned with the principles and applications of environ mental management. Each volume is a thorough treatment of a specific topic of importance for proper management practices. A fundamental objective of these books is to help the reader discern and implement man's stewardship of our environment and the world's renewable re sources. For we must strive to understand the relationship between man and nature, act to bring harmony to it, and nurture an environment that is both stable and productive. These objectives have often eluded us because the pursuit of other individual and societal goals has diverted us from a course of living in balance with the environment. At times, therefore, the environmental manager may have to exert restrictive control, which is usually best applied to man, not nature. Attempts to alter or harness nature have often failed or backfired, as exemplified by the results of imprudent use of herbicides, fertilizers, water, and other agents. Each book in this series will shed light on the fundamental and applied aspects of environmental management. It is hoped that each will help solve a practical and serious environmental problem.
Author :
Publisher :
ISBN 13 :
Total Pages : 604 pages
Book Rating : 4.3/5 (121 download)
Download or read book National Water Summary 1988-89 written by and published by . This book was released on 1991 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309166586
Total Pages : 304 pages
Book Rating : 4.3/5 (91 download)
Download or read book Atlantic Salmon in Maine written by National Research Council and published by National Academies Press. This book was released on 2004-09-07 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of the pervasive and substantial decline of Atlantic salmon populations in Maine over the past 150 years, and because they are close to extinction, a comprehensive statewide action should be taken now to ensure their survival. The populations of Atlantic salmon have declined drastically, from an estimated half million adult salmon returning to U.S. rivers each year in the early 1800s to perhaps as few as 1,000 in 2001. The report recommends implementing a formalized decision-making approach to establish priorities, evaluate options and coordinate plans for conserving and restoring the salmon.
