Author: United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor
Publisher:
ISBN:
Category : Floods
Languages : en
Pages : 1388
Book Description
Appendices. B, C, and D
Author: United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor
Publisher:
ISBN:
Category : Floods
Languages : en
Pages : 1388
Book Description
Publisher:
ISBN:
Category : Floods
Languages : en
Pages : 1388
Book Description
Educational Attainment, 2000
Author: Kurt Bauman
Publisher:
ISBN:
Category : Education
Languages : en
Pages : 12
Book Description
Publisher:
ISBN:
Category : Education
Languages : en
Pages : 12
Book Description
Healthy City Harvests
Author: Donald Cole
Publisher: International Potato Center
ISBN: 9789290603559
Category : Food supply
Languages : en
Pages : 284
Book Description
Publisher: International Potato Center
ISBN: 9789290603559
Category : Food supply
Languages : en
Pages : 284
Book Description
North American Freshwater Mussels
Author: Wendell R. Haag
Publisher: Cambridge University Press
ISBN: 0521199387
Category : Nature
Languages : en
Pages : 523
Book Description
Synthesizes the ecology and natural history of North American freshwater mussels for scientists, natural resource professionals, students and natural history enthusiasts.
Publisher: Cambridge University Press
ISBN: 0521199387
Category : Nature
Languages : en
Pages : 523
Book Description
Synthesizes the ecology and natural history of North American freshwater mussels for scientists, natural resource professionals, students and natural history enthusiasts.
Freshwater Mussel Ecology
Author: David L. Strayer
Publisher: Univ of California Press
ISBN: 0520942523
Category : Science
Languages : en
Pages : 217
Book Description
Pearly mussels (Unionoidea) live in lakes, rivers, and streams around the world. These bivalves play important roles in freshwater ecosystems and were once both culturally and economically valuable as sources of food, pearls, and mother-of-pearl. Today, however, hundreds of species of these mussels are extinct or endangered. David L. Strayer provides a critical synthesis of the factors that control the distribution and abundance of pearly mussels. Using empirical analyses and models, he assesses the effects of dispersal, habitat quality, availability of fish hosts, adequate food, predators, and parasites. He also addresses conservation issues that apply to other inhabitants of fresh waters around the globe and other pressing issues in contemporary ecology.
Publisher: Univ of California Press
ISBN: 0520942523
Category : Science
Languages : en
Pages : 217
Book Description
Pearly mussels (Unionoidea) live in lakes, rivers, and streams around the world. These bivalves play important roles in freshwater ecosystems and were once both culturally and economically valuable as sources of food, pearls, and mother-of-pearl. Today, however, hundreds of species of these mussels are extinct or endangered. David L. Strayer provides a critical synthesis of the factors that control the distribution and abundance of pearly mussels. Using empirical analyses and models, he assesses the effects of dispersal, habitat quality, availability of fish hosts, adequate food, predators, and parasites. He also addresses conservation issues that apply to other inhabitants of fresh waters around the globe and other pressing issues in contemporary ecology.
Surface Climates of Canada
Author: Timothy R. Oke
Publisher: McGill-Queen's Press - MQUP
ISBN: 0773563571
Category : Science
Languages : en
Pages : 396
Book Description
In the opening chapters contributors lay out the large-scale context of the physical climate of Canada, introducing the processes, balances, and dynamic linkages between the surface and atmosphere that create and maintain the diversity of surface climates found in Canada as well as outlining the nature of the physical processes that operate near the ground's surface. Individual chapters are dedicated to snow and ice - the almost universal surface cover in Canada - and the other major natural surface environments of Canada: ocean and coastal zones, fresh water lakes, wetlands, arctic islands, low arctic and subarctic lands, forests, and alpine environments. The final part of the book considers those surface environments that have been strongly influenced by human activity, such as agricultural lands and urban environments, and examines the prospects for future climate change. Bringing together for the first time a wide range of scholarship by leading climatologists, The Surface Climates of Canada will be an indispensable tool for understanding Canada's surface climates and the processes responsible for their creation and control. Contributors include Brian D. Amiro (AECL), W.G. Bailey (Simon Fraser), Richard Bello (York), Terry J. Gillespie (Guelph), Barry E. Goodison (Atmospheric Environment Service), F. Kenneth Hare (emeritus professor, Toronto), L.D. Danny Harvey (Toronto), Owen Hertzman (Dalhousie), Peter M. Lafleur (Trent), J. Harry McCaughey (Queen's), Linda Mortsch (Environment Canada), R. Ted Munn (Toronto), D. Scott Munro (Toronto), Atsumu Ohmura (Swiss Federal Institute of Technology), Timothy R. Oke (UBC), John W. Pomeroy (Environment Canada), Alexander W. Robertson (Canadian Forest Service), Nigel T. Roulet (McGill), Wayne R. Rouse (McMaster), Ian R. Saunders (Simon Fraser), William M. Schertzer (Environment Canada), Hans-Peter Schmid (Indiana), David L. Spittlehouse (BC Ministry of Forests), Douw G. Steyn (UBC), John L. Walmsley (Atmospheric Environment Service), John D. Wilson (Alberta), Ming-Ko Woo (McMaster).
Publisher: McGill-Queen's Press - MQUP
ISBN: 0773563571
Category : Science
Languages : en
Pages : 396
Book Description
In the opening chapters contributors lay out the large-scale context of the physical climate of Canada, introducing the processes, balances, and dynamic linkages between the surface and atmosphere that create and maintain the diversity of surface climates found in Canada as well as outlining the nature of the physical processes that operate near the ground's surface. Individual chapters are dedicated to snow and ice - the almost universal surface cover in Canada - and the other major natural surface environments of Canada: ocean and coastal zones, fresh water lakes, wetlands, arctic islands, low arctic and subarctic lands, forests, and alpine environments. The final part of the book considers those surface environments that have been strongly influenced by human activity, such as agricultural lands and urban environments, and examines the prospects for future climate change. Bringing together for the first time a wide range of scholarship by leading climatologists, The Surface Climates of Canada will be an indispensable tool for understanding Canada's surface climates and the processes responsible for their creation and control. Contributors include Brian D. Amiro (AECL), W.G. Bailey (Simon Fraser), Richard Bello (York), Terry J. Gillespie (Guelph), Barry E. Goodison (Atmospheric Environment Service), F. Kenneth Hare (emeritus professor, Toronto), L.D. Danny Harvey (Toronto), Owen Hertzman (Dalhousie), Peter M. Lafleur (Trent), J. Harry McCaughey (Queen's), Linda Mortsch (Environment Canada), R. Ted Munn (Toronto), D. Scott Munro (Toronto), Atsumu Ohmura (Swiss Federal Institute of Technology), Timothy R. Oke (UBC), John W. Pomeroy (Environment Canada), Alexander W. Robertson (Canadian Forest Service), Nigel T. Roulet (McGill), Wayne R. Rouse (McMaster), Ian R. Saunders (Simon Fraser), William M. Schertzer (Environment Canada), Hans-Peter Schmid (Indiana), David L. Spittlehouse (BC Ministry of Forests), Douw G. Steyn (UBC), John L. Walmsley (Atmospheric Environment Service), John D. Wilson (Alberta), Ming-Ko Woo (McMaster).
Water Pollution Control Research Series 16070 EOK 07/71. Oceanography of the Nearshore Coastal Waters of the Pacific Northwest Relating to Possible Pollution Vols 1-
Author: United States. Water Programs Office
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Access EPA.
Author: United States. Environmental Protection Agency
Publisher:
ISBN:
Category : Environmental libraries
Languages : en
Pages : 526
Book Description
Publisher:
ISBN:
Category : Environmental libraries
Languages : en
Pages : 526
Book Description
Quagga and Zebra Mussels
Author: Thomas F. Nalepa
Publisher: CRC Press
ISBN: 143985436X
Category : Nature
Languages : en
Pages : 820
Book Description
The introduction and rapid spread of two Eurasian mussel species, Dreissena polymorpha (zebra mussel) and Dreissena rostriformis bugensis (quagga mussel), in waters of North America has caused great concern among industrial and recreational water users. These invasive species can create substantial problems for raw water users such as water treatment facilities and power plants, and they can have other negative impacts by altering aquatic environments. In the 20 years since the first edition of this book was published, zebra mussels have continued to spread, and quagga mussels have become the greater threat in the Great Lakes, in deep regions of large lakes, and in the southwestern Unites States. Quagga mussels have also expanded greatly in eastern and western Europe since the first book edition was published. Quagga and Zebra Mussels: Biology, Impacts, and Control, Second Edition provides a broad view of the zebra/quagga mussel issue, offering a historic perspective and up-to-date information on mussel research. Comprising 48 chapters, this second edition includes reviews of mussel morphology, physiology, and behavior. It details mussel distribution and spread in Europe and across North America, and examines policy and regulatory responses, management strategies, and mitigation efforts. In addition, this book provides extensive coverage of the impact of invasive mussel species on freshwater ecosystems, including effects on water clarity, phytoplankton, water quality, food web changes, and consequences to other aquatic fauna. It also reviews and offers new insights on how zebra and quagga mussels respond and adapt to varying environmental conditions. This new edition includes seven video clips that complement chapter text and, through visual documentation, provide a greater understanding of mussel behavior and distribution.
Publisher: CRC Press
ISBN: 143985436X
Category : Nature
Languages : en
Pages : 820
Book Description
The introduction and rapid spread of two Eurasian mussel species, Dreissena polymorpha (zebra mussel) and Dreissena rostriformis bugensis (quagga mussel), in waters of North America has caused great concern among industrial and recreational water users. These invasive species can create substantial problems for raw water users such as water treatment facilities and power plants, and they can have other negative impacts by altering aquatic environments. In the 20 years since the first edition of this book was published, zebra mussels have continued to spread, and quagga mussels have become the greater threat in the Great Lakes, in deep regions of large lakes, and in the southwestern Unites States. Quagga mussels have also expanded greatly in eastern and western Europe since the first book edition was published. Quagga and Zebra Mussels: Biology, Impacts, and Control, Second Edition provides a broad view of the zebra/quagga mussel issue, offering a historic perspective and up-to-date information on mussel research. Comprising 48 chapters, this second edition includes reviews of mussel morphology, physiology, and behavior. It details mussel distribution and spread in Europe and across North America, and examines policy and regulatory responses, management strategies, and mitigation efforts. In addition, this book provides extensive coverage of the impact of invasive mussel species on freshwater ecosystems, including effects on water clarity, phytoplankton, water quality, food web changes, and consequences to other aquatic fauna. It also reviews and offers new insights on how zebra and quagga mussels respond and adapt to varying environmental conditions. This new edition includes seven video clips that complement chapter text and, through visual documentation, provide a greater understanding of mussel behavior and distribution.
Trends in Nutrient Inflows to the Gulf of Mexico From Streams Draining the Conterminous United States, 1972-93, U.S. Geological Survey, Water-Resources Investigations Report 96-4113
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 70
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 70
Book Description