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Environmental Regulation Of Growth In Black Brant
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Book Synopsis Environmental Regulation of Growth in Black Brant by : Mark Paul Herzog
Download or read book Environmental Regulation of Growth in Black Brant written by Mark Paul Herzog and published by . This book was released on 2002 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Body size is an important determinant of life history traits such as survival and fecundity. There is a positive correlation between growth during the first summer and final body size in goose populations. I examined how environmental factors influence growth in Black Brant (Branta bernicla; hereafter brant) goslings. Growth declined seasonally and varied among brood-rearing areas. However, the pattern was not consistent among years. Models containing only environment and maternal effects explained 75% of variation in gosling mass, indicating that little of the observed variation in size is directly of genetic origin. Heritability did not differ from zero for both mother-daughter and father-daughter regressions. I also conducted an experiment to study the effect of gosling density on food abundance, feeding behavior, and development of brant goslings, in two habitat types important to brant: (1) Carex subspathacea grazing lawns and (2) slough levees which contain Triglochin palustris. Variation in grazing pressure was experimentally manipulated. Biomass and offtake of C. subspathacea was higher in lightly grazed plots than in heavily grazed plots even though goslings within heavily grazed plots spent more time feeding. Within slough levee habitat there were no differences between heavily and lightly grazed plots in either biomass or offtake of T. palustris. Peck rates were lower in slough levee habitat than in grazing lawns. Change in mass over an eight hour trial was positively correlated with the amount of forage biomass in the plot at the start of the trial. I found no variation in internal morphometrics or body composition among goslings. I also examined the relationship between forage available within a brood-rearing area, the number of birds using the area, and gosling growth. Annual variation in use of brood-rearing areas was correlated with forage availability. Gosling mass was negatively correlated with brood numbers when examined across all areas, however, within each brood-rearing area, the relationship between mass and numbers of birds was positive. I did not see a relationship between estimates of food availability (per m2) and brood numbers. Spatial variation in growth among habitats may result from habitats varying in quality and quantity of forage"--Leaf 4
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2009 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Policy and Public Health by : William N. Rom
Download or read book Environmental Policy and Public Health written by William N. Rom and published by John Wiley & Sons. This book was released on 2011-09-09 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides an overview of the major environmental policy issues, past and present, and explains the interplay among law, science, and advocacy as related to environmental policymaking in the United States and abroad. Environmental Policy and Public Health examines the main sources of pollution and threats to environmental integrity and explores the consequences of pollution on the environment and the population. Throughout the book, noted environmental policy expert William N. Rom explains the legal basis for environmental action, beginning with the Clean Air Act, the Wilderness Act, the National Environmental Policy Act, the Endangered Species Act, and international treaties. In addition to providing information about existing laws, the author presents potential policy alternatives that offer real-world solutions. Comprehensive in scope, the book incorporates developments in law, economics, global warming, and air pollution. Environmental Policy and Public Health covers these topics and also puts an emphasis on wilderness protection. An important focus of the book is an assessment of the role of policy analysis in the formation and implementation of national and local environmental policy. Companion Web site: www.josseybass.com/go/rom
Book Synopsis Final Environmental Impact Statement by :
Download or read book Final Environmental Impact Statement written by and published by . This book was released on 1985 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Natural History of an Arctic Oil Field by : Joe C. Truett
Download or read book The Natural History of an Arctic Oil Field written by Joe C. Truett and published by Elsevier. This book was released on 2000-06-09 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: In spite of the harsh conditions that characterize the Arctic, it is a surprisingly fragile ecosystem. The exploration for oil in the Arctic over the past 30 years has had profound effects on the plants and animals that inhabit this frozen clime. The Natural History of an Arctic Oil Field synthesizes decades of research on these myriad impacts. Specialists with years of field experience have contributed to this volume to create the first widely available synopsis of the ecology and wildlife biology of animals and plants living in close association with an actively producing oil field. First widely available synthesis of arctic oil field ecology and wildlife biology Concise yet readable treatment of a diverse polar ecosystem Useful for land managers, policy makers as well as ecologists, and population biologists Chapters authored by recognized authorities and contributions are peer-reviewed for accuracy and scientific rigor Illustrations attractively designed to enhance comprehension
Book Synopsis Liberty Development and Production Plan by :
Download or read book Liberty Development and Production Plan written by and published by . This book was released on 2002 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supplemental Environmental Impact Statement by : United States. Minerals Management Service
Download or read book Supplemental Environmental Impact Statement written by United States. Minerals Management Service and published by . This book was released on 1989 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 9th Circuit Update written by and published by . This book was released on 1987 with total page 1184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Department of the Interior. Office of Library and Information Services Publisher : ISBN 13 : Total Pages :382 pages Book Rating :4.E/5 ( download)
Book Synopsis Information Sources and Services Directory by : United States. Department of the Interior. Office of Library and Information Services
Download or read book Information Sources and Services Directory written by United States. Department of the Interior. Office of Library and Information Services and published by . This book was released on 1979 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Department of the Interior. Office of Library andInformation Services Publisher : ISBN 13 : Total Pages :380 pages Book Rating :4.:/5 (319 download)
Book Synopsis Information Sources and Services Directory by : United States. Department of the Interior. Office of Library andInformation Services
Download or read book Information Sources and Services Directory written by United States. Department of the Interior. Office of Library andInformation Services and published by . This book was released on 1979 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Oceanic Abstracts written by and published by . This book was released on 1996-04 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Alaska National Petroleum Reserve, Oil and Gas Leasing and Development by :
Download or read book Alaska National Petroleum Reserve, Oil and Gas Leasing and Development written by and published by . This book was released on 1983 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Finding Higher Ground by : Amy Seidl
Download or read book Finding Higher Ground written by Amy Seidl and published by Beacon Press. This book was released on 2012-05-01 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: While much of the global warming conversation rightly focuses on reducing our carbon footprint, the reality is that even if we were to immediately cease emissions, we would still face climate change into the next millennium. In Finding Higher Ground, Amy Seidl takes the uniquely positive—yet realistic—position that humans and animals can adapt and persist despite these changes. Drawing on an emerging body of scientific research, Seidl brings us stories of adaptation from the natural world and from human communities. She offers examples of how plants, insects, birds, and mammals are already adapting both behaviorally and genetically. While some species will be unable to adapt to new conditions quickly enough to survive, Seidl argues that those that do can show us how to increase our own capacity for resilience if we work to change our collective behavior. In looking at climate change as an opportunity to establish new cultural norms, Seidl inspires readers to move beyond loss and offers a refreshing call to evolve.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1989 with total page 1134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Arctic Summary Report written by and published by . This book was released on 1983 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Marine Pollution Program by :
Download or read book National Marine Pollution Program written by and published by . This book was released on 1990 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt:
