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Author: Hoover's Incorporated Publisher: ISBN: 9780160427787 Category : Political Science Languages : en Pages : 1034
Book Description
119th edition. Provides tables and graphs of statistics on the social, political, and economic conditions of the United States. Each section has an introductory text. Each table and graph has a source note. Appendix 1 includes guides to sources of statistics, State statistical abstracts, and foreign statistical abstracts.
Author: Hoover's Incorporated Publisher: ISBN: 9780160427787 Category : Political Science Languages : en Pages : 1034
Book Description
119th edition. Provides tables and graphs of statistics on the social, political, and economic conditions of the United States. Each section has an introductory text. Each table and graph has a source note. Appendix 1 includes guides to sources of statistics, State statistical abstracts, and foreign statistical abstracts.
Author: G.T.O LeBreton Publisher: Springer Science & Business Media ISBN: 1402028334 Category : Science Languages : en Pages : 336
Book Description
Modern North American sturgeons and paddlefish are the result of 100 million years of evolution. Once an integral part of aboriginal culture, their numbers were decimated by overfishing and habitat destruction during the past two centuries. This book details the extensive science aimed at helping these remarkable species recover from the brink of extinction, and describes the historical, biological, and ecological importance of North American sturgeon and paddlefish. The text is enhanced by photographs and detailed line drawings. This comprehensive volume will be an invaluable resource for researchers, educators, and consultants, in academic and government settings, who work to further scientific understanding of these fishes. No other single compilation has documented current information in such detail.
Author: Publisher: Academic Press ISBN: 0123706262 Category : Science Languages : en Pages : 2589
Book Description
Inland aquatic habitats occur world-wide at all scales from marshes, swamps and temporary puddles, to ponds, lakes and inland seas; from streams and creeks to rolling rivers. Vital for biological diversity, ecosystem function and as resources for human life, commerce and leisure, inland waters are a vital component of life on Earth. The Encyclopedia of Inland Waters describes and explains all the basic features of the subject, from water chemistry and physics, to the biology of aquatic creatures and the complex function and balance of aquatic ecosystems of varying size and complexity. Used and abused as an essential resource, it is vital that we understand and manage them as much as we appreciate and enjoy them. This extraordinary reference brings together the very best research to provide the basic and advanced information necessary for scientists to understand these ecosystems – and for water resource managers and consultants to manage and protect them for future generations. Encyclopedic reference to Limnology - a key core subject in ecology taught as a specialist course in universitiesOver 240 topic related articles cover the field Gene Likens is a renowned limnologist and conservationist, Emeritus Director of the Institute of Ecosystems Research, elected member of the American Philosophical Society and recipient of the 2001 National Medal of Science Subject Section Editors and authors include the very best research workers in the field
Author: Bureau of the Census Administration Publisher: Bernan Press(PA) ISBN: 9780934213738 Category : Reference Languages : en Pages : 1028
Book Description
Statistical Abstract presents data on the social, political, & economic organization of the U.S. Detailed tables on population, health, education, geography & environment, elections, federal government, finances & employment, national defense & veterans affairs, income, communications, law, energy, science, business, transportation, agriculture, construction & housing, & comparative international statistics are furnished. Along with appendices & maps, special features include guides to tabular presentation, sources of statistics, state statistical abstracts, foreign statistical abstracts, an industrial outlook, telephone numbers, metropolitan area concepts & components, & a subject index.
Author: John F. Craig Publisher: John Wiley & Sons ISBN: 1118394402 Category : Technology & Engineering Languages : en Pages : 920
Book Description
Inland fisheries are vital for the livelihoods and food resources of humans worldwide but their importance is underestimated, probably because large numbers of small, local operators are involved. Freshwater Fisheries Ecology defines what we have globally, what we are going to lose and mitigate for, and what, given the right tools, we can save. To estimate potential production, the dynamics of freshwater ecosystems (rivers, lakes and estuaries) need to be understood. These dynamics are diverse, as are the earths freshwater fisheries resources (from boreal to tropical regions), and these influence how fisheries are both utilized and abused. Three main types of fisheries are illustrated within the book: artisanal, commercial and recreational, and the tools which have evolved for fisheries governance and management, including assessment methods, are described. The book also covers in detail fisheries development, providing information on improving fisheries through environmental and habitat evaluation, enhancement and rehabilitation, aquaculture, genetically modified fishes and sustainability. The book thoroughly reviews the negative impacts on fisheries including excessive harvesting, climate change, toxicology, impoundments, barriers and abstractions, non-native species and eutrophication. Finally, key areas of future research are outlined. Freshwater Fisheries Ecology is truly a landmark publication, containing contributions from over 100 leading experts and supported by the Fisheries Society of the British Isles. The global approach makes this book essential reading for fish biologists, fisheries scientists and ecologists and upper level students in these disciplines. Libraries in all universities and research establishments where biological and fisheries sciences are studied and taught should have multiple copies of this hugely valuable resource. About the Editor John Craig is Editor-in-Chief of the Journal of Fish Biology and has an enormous range of expertise and a wealth of knowledge of freshwater fishes and their ecology, having studied them around the globe, including in Asia, North America, Africa, the Middle East and Europe. His particular interests have been in population dynamics and life history strategies. He is a Fellow of the Linnean Society of London and the Royal Society of Biology.
Author: Hoover's Incorporated
Author: Hoover's Incorporated
Author: G.T.O LeBreton
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Author: Bureau of the Census Administration
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Author: J. H. Hickcox
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Author: John F. Craig