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Author :
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ISBN 13 :
Total Pages : 195 pages
Book Rating : 4.:/5 (186 download)
Download or read book Effects of Feral Goats (Capra Hircus) on Aldabra Atoll written by and published by . This book was released on 1987 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce E. Coblentz
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (255 download)
Download or read book Effects of Feral Goats (Capra Hircus) on Aldabra Atoll written by Bruce E. Coblentz and published by . This book was released on 1987 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raymond E. Rainbolt
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (39 download)
Download or read book Control and Biology of Feral Goats on Aldabra Atoll, Republic of Seychelles written by Raymond E. Rainbolt and published by . This book was released on 1997 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: The control of feral goats (Capra hircus) and relevant aspects of their biology were studied on Aldabra Atoll, Republic of Seychelles, from October 1993 - May 1994 and November 1994 - May 1995. A total of 832 goats were killed on Aldabra using both the Judas goat technique and traditional hunting methods; a total of 28 Judas goats were used during the entire campaign. The remnant goat populations on Ile Picard (N=13) and Ile Malabar (N=19) were eradicated during the first season. On Grande Terre, a total of 798 (374 M: 424 F) goats were killed. The overall kill rate on Grande Terre was 0.37 goats killed/hour with 1.66 shots fired/goat. A total of 1,042 goats were encountered of which 26.1% escaped. Mean group size was 3.2 with a range of 1 to 20. Judas goat hunting became increasingly important over time with 18.0% (n=85) of goats killed in the first season being in the presence of Judas goats; 42.3% (n=126) of goats killed during the second season were in the presence of Judas goats. The overall kill rate for the project was almost 2 times greater for Judas goat hunting (0.61 goats killed/hr) than traditional hunting (0.32 goats killed/hr); Judas goat hunting was approximately 70% more effective than traditional hunting when compared using multiple linear regression. There was a significant relationship between Judas goat home range size and the number of conspecifics killed. Feral goats on Aldabra may be unique among feral goat populations by apparently not responding to population reductions in a density-dependent manner. For the first season, the intrinsic rate of increase (r) was 0.45; r=0.39 for the second season. Twinning rates were 30.7% and 37.5% in the first and second seasons, respectively. I subjectively estimated approximately 60-120 goats remaining on all of Grande Terre at the end of the project; 84 goats were estimated using the Leslie-Davis removal method of population estimation.
Author : Bruce E. Coblentz
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (554 download)
Download or read book Control of Feral Goats on Aldabra Atoll written by Bruce E. Coblentz and published by . This book was released on 1990 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 892 pages
Book Rating : 4.E/5 ( download)
Download or read book Atoll Research Bulletin written by and published by . This book was released on 1991 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian Frederick Kensley
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (318 download)
Download or read book Results of Recent Research on Aldabra Atoll, Indian Ocean written by Brian Frederick Kensley and published by . This book was released on 1988 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Isamu Okochi
Publisher : Springer Science & Business Media
ISBN 13 : 4431538593
Total Pages : 210 pages
Book Rating : 4.4/5 (315 download)
Download or read book Restoring the Oceanic Island Ecosystem written by Isamu Okochi and published by Springer Science & Business Media. This book was released on 2010-03-15 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Loss of biodiversity on tropical and subtropical oceanic islands is one of the most pressing conservation issues. These oceanic islands are well known for their unique fauna and ? ora, which evolved over long periods in isolation from external perturbation. However, the maj- ity of these islands in the Paci? c were eventually settled by Polynesians and then by Europeans; by about 200 years ago, only a few island groups remained untouched. The Bonin Islands are one of these groups. The Bonin Island group is one of the most remote in the world. The islands are located 1,000 km south of Japan off the eastern fringe of Eurasia. They were ? rst discovered by the Japanese in 1670, settled by Westerners from Hawaii in 1830, and ? nally recognized as a Japanese territory in 1862 on condition that previous settlers would be protected and allowed to remain with full rights. Because of this complicated history, the Bonins have two names.
Author : Margaret Susan Gould
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (687 download)
Download or read book The Behavioral Ecology of the Feral Goats of Aldabra Island written by Margaret Susan Gould and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jonathan B. Losos
Publisher : Princeton University Press
ISBN 13 : 140083192X
Total Pages : 988 pages
Book Rating : 4.4/5 (8 download)
Download or read book The Theory of Island Biogeography Revisited written by Jonathan B. Losos and published by Princeton University Press. This book was released on 2009-10-19 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt: Robert H. MacArthur and Edward O. Wilson's The Theory of Island Biogeography, first published by Princeton in 1967, is one of the most influential books on ecology and evolution to appear in the past half century. By developing a general mathematical theory to explain a crucial ecological problem--the regulation of species diversity in island populations--the book transformed the science of biogeography and ecology as a whole. In The Theory of Island Biogeography Revisited, some of today's most prominent biologists assess the continuing impact of MacArthur and Wilson's book four decades after its publication. Following an opening chapter in which Wilson reflects on island biogeography in the 1960s, fifteen chapters evaluate and demonstrate how the field has extended and confirmed--as well as challenged and modified--MacArthur and Wilson's original ideas. Providing a broad picture of the fundamental ways in which the science of island biogeography has been shaped by MacArthur and Wilson's landmark work, The Theory of Island Biogeography Revisited also points the way toward exciting future research.
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ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings - Vertebrate Pest Conference written by and published by . This book was released on 1992 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark Spalding
Publisher : Routledge
ISBN 13 : 1136530959
Total Pages : 338 pages
Book Rating : 4.1/5 (365 download)
Download or read book World Atlas of Mangroves written by Mark Spalding and published by Routledge. This book was released on 2010-09-23 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published with ISME, ITTO and project partners FAO, UNESCO-MAB, UNEP-WCMC and UNU-INWEH This atlas provides the first truly global assessment of the state of the world's mangroves. Written by a leading expert on mangroves with support from the top international researchers and conservation organizations, this full colour atlas contains 60 full-page maps, hundreds of photographs and illustrations and a comprehensive country-by-country assessment of mangroves. Mangroves are considered both ecologically and from a human perspective. Initial chapters provide a global view, with information on distribution, biogeography, productivity and wider ecology, as well as on human uses, economic values, threats, and approaches for mangrove management. These themes are revisited throughout the regional chapters, where the maps provide a spatial context or starting point for further exploration. The book also presents a wealth of statistics on biodiversity, habitat area, loss and economic value which provide a unique record of mangroves against which future threats and changes can be evaluated. Case-studies, written by regional experts provide insights into regional mangrove issues, including primary and potential productivity, biodiversity, and information on present and traditional uses and values and sustainable management.
Author : R. N. Gibson
Publisher : CRC Press
ISBN 13 : 1134523149
Total Pages : 981 pages
Book Rating : 4.1/5 (345 download)
Download or read book Oceanography and Marine Biology, An Annual Review, Volume 40 written by R. N. Gibson and published by CRC Press. This book was released on 2002-08-29 with total page 981 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in oceanography and marine biology and its relevance to global environmental issues continues to increase, creating a demand for authoritative reviews that summarize recent research. Oceanography and Marine Biology: An Annual Review has catered to this demand since its foundation, by the late Harold Barnes, more than 40 years ago. It is an
Author : William C. Pitt
Publisher : CRC Press
ISBN 13 : 1498704859
Total Pages : 426 pages
Book Rating : 4.4/5 (987 download)
Download or read book Ecology and Management of Terrestrial Vertebrate Invasive Species in the United States written by William C. Pitt and published by CRC Press. This book was released on 2017-10-25 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vertebrate invasive species are important ecologically, socially, and scientifically throughout much of the globe. However, the interdiction and options for management of invasive species are driven by localized regulation at the country or even state level and thus the management of species must be framed within that context. This book is focused around the management of invasive vertebrate species in the United States, although readers will find much of the material broadly applicable to invasive species in other regions. Vertebrate invasive species cause damage to agriculture, property, natural resources, and threaten human health and safety. However, most of these species occur in the United States resulting from human-mediated activities, often being released intentionally. For the first time, the wealth of scientific information about vertebrate invasive species in the United States is summarized and synthesized in a single volume to be easily accessible to ecologists and natural resource managers. With a focus on prominent terrestrial invasive species that have a history of policy and management and highlighting contemporary issues and management, this book consists of 18 chapters written by experts from across the United States. The first section of the book focuses on overarching policy and management topics associated with vertebrate invasive species; including biosecurity threats and risk assessment, policy and regulation, and the economics of their management. The second section provides in-depth reviews of noteworthy invasive mammals, birds, amphibians, and reptiles. After finishing this book, the reader should understand the complexity of managing invasive species, the unique challenges that each new species may present, and the steps forward that may decrease the impact of these species on the environment, human health, and the economy.
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ISBN 13 :
Total Pages : 1120 pages
Book Rating : 4.:/5 (89 download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher : Academic Press
ISBN 13 : 0128175559
Total Pages : 538 pages
Book Rating : 4.1/5 (281 download)
Download or read book Galapagos Giant Tortoises written by and published by Academic Press. This book was released on 2020-11-07 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Galapagos Giant Tortoises brings together researchers and conservationists to share the most up-to-date knowledge of Galapagos giant tortoises. Despite being icons of the world-famous Galapagos Archipelago and the target of more than 50 years of conservation research and management, Galapagos giant tortoise evolution and much of their ecology remained unknown until recently. This book documents the history, the pressing conservation issues, and success stories recovering several of the 15 different species of Galapagos tortoises from near extinction.The book begins with an overview of the history of the relationship between humans and Galapagos giant tortoises, starting from initial heavy exploitation of tortoises by pirates and whalers, and extending to the start of the modern conservation era in the 1960s. The book then shifts to biology, describing Galapagos tortoise evolution, taxonomy, ecology, habitats, reproduction, and behavior. Next the decades of conservation efforts and their results are reviewed, including issues of captive breeding, invasive species, introduced diseases, and de-extinction, as well as the current status and distribution of every species. The final portion of the book turns to four case studies of restoration, and then looks ahead to the future of all tortoise populations.The latest volume in the Biodiversity of the World: Conservation from Genes to Landscape series, Galapagos Giant Tortoises is a valuable resource for researchers and conservationists, as well as students of biology, wildlife conservation, and herpetology. Provides a comprehensive overview of the Galapagos giant tortoise species as written and edited by the world’s leading experts Presents examples of restoration of tortoise populations following the near extinction of many of them Describes conservation strategies to ensure the full recovery of all extant species Explores recent efforts using replacement tortoises for extinct species to restore island ecosystems
Author : Kath Daly
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.F/5 ( download)
Download or read book Eradication of Feral Goats from Small Islands written by Kath Daly and published by . This book was released on 1987 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.3/5 (91 download)
Download or read book Natural Areas Journal written by and published by . This book was released on 1982 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
