Estimating Abundance Of African Wildlife
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Estimating Abundance Of African Wildlife
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Author : Hugo Jachmann
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Estimating Abundance Of African Wildlife written by Hugo Jachmann and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Estimating abundance of wildlife is an essential component of a wildlife research program, and a prerequisite for sound management. With the exception of a few highly mathematical volumes, there are no books on the subject for use by students and field workers. Also, the various techniques for counting animals found in scientific journals are often not accessible to African managers. The unavailability of the diverse literature necessitated the production of a textbook or field manual that covers the ground. The book compiles the most relevant techniques for counting African mammals, illustrated with many examples from the field. It provides guidelines for selecting the appropriate methodology for a range of conditions commonly found in the field, in terms of different animal species, habitat types, and management objectives.
Advanced Distance Sampling
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Author : S. T. Buckland
language : en
Publisher: OUP Oxford
Release Date : 2004-08-19
Advanced Distance Sampling written by S. T. Buckland and has been published by OUP Oxford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-08-19 with Mathematics categories.
This advanced text focuses on the uses of distance sampling to estimate the density and abundance of biological populations. It addresses new methodologies, new technologies and recent developments in statistical theory and is the follow up companion to Introduction to Distance Sampling (OUP, 2001). In this text, a general theoretical basis is established for methods of estimating animal abundance from sightings surveys, and a wide range of approaches to analysis of sightings data is explored. These approaches include: modelling animal detectability as a function of covariates, where the effects of habitat, observer, weather, etc. on detectability can be assessed; estimating animal density as a function of location, allowing for example animal density to be related to habitat and other locational covariates; estimating change over time in populations, a necessary aspect of any monitoring programme; estimation when detection of animals on the line or at the point is uncertain, as often occurs for marine populations, or when the survey region has dense cover; survey design and automated design algorithms, allowing rapid generation of sound survey designs using geographic information systems; adaptive distance sampling methods, which concentrate survey effort in areas of high animal density; passive distance sampling methods, which extend the application of distance sampling to species that cannot be readily detected in sightings surveys, but can be trapped; and testing of methods by simulation, so that performance of the approach in varying circumstances can be assessed.
Distance Sampling
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Author : S. T. Buckland
language : en
Publisher: Springer
Release Date : 2011-09-28
Distance Sampling written by S. T. Buckland and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-28 with Science categories.
one can choose a point instead and measure the radial distances of the animals detected. It is very appropriate that the leading exponents in this field have come together to produce an authoritative description on 'how to do it'. They bring with them many years of experience in this research area. This book is a must for all those involved in estimating animal abundance as the methods can be used for such a wide variety of animal species including birds and marine mammals. The methods also apply to clusters of animals such as schools of dolphins and to animal signs. The beauty of such methods lies in the fact that not every animal has to be seen when a population is investigated. At the heart of the methodology is a 'detectability' function which is estimated in some robust fashion from the distances to the animals actually seen. Many species are not always visible and may be detected by the sounds they make or by being flushed out into the open. Clearly animals can have widely different behaviour patterns so that different models will be needed for different situations. This book provides a tool box of such methods with a computer package which helps the researcher to select the right tool for each occasion. The authors have a reputation for being very thorough and, typically, they endeavour to cover every conceivable situation that might be encountered in the field.
Estimating Animal Abundance
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Author : D.L. Borchers
language : en
Publisher: Springer Science & Business Media
Release Date : 2002
Estimating Animal Abundance written by D.L. Borchers and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Mathematics categories.
The first accessible introduction to the many various wildlife assessment methods! This book uses a new approach that makes the full range of methods accessible in a way that has not previously been possible. Accompanied by free, user-friendly software to get some "hands-on" experience with the methods and how they perform in different contexts.
Distance Sampling
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Author : Stephen T. Buckland
language : en
Publisher:
Release Date : 1993
Distance Sampling written by Stephen T. Buckland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Mathematics categories.
Introductory concepts. Introduction. Range of applications. Types of data. Known constants and parameters. Assumptions. Fundamental concept. Detection. History of methods. Program DISTANCE. Assumptions and modelling philosophy. Assumptions. Fundamental models. Philosophy and strategy. Robust models. Some analysis guidelines. Statistical theory. General formula. Hazard-rate modelling of the detection process. The key function formulation for distance data. Maximum likelihood methods. Choice of model. Estimation for clustered populations. Density, variance and interval estimation. Stratification and covariates. Line transects. Introduction. Example data. Truncation. Extensions and related work. Other models. Modelling variation in encounter rate and cluster size. Estimation of the probability of detection on the line or pint. On the concept of detection search effort. Fixed versus random sample size. Efficient simulation of distance data. Thoughts about a full likelihood approach. Distance sampling in three dimensions. ...
The Estimation Of Animal Abundance
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Author : George Arthur Frederick Seber
language : en
Publisher:
Release Date : 1982
The Estimation Of Animal Abundance written by George Arthur Frederick Seber and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Animal populations categories.
Animals Are The Issue
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Author : Linda S Katz
language : en
Publisher: Routledge
Release Date : 2013-10-31
Animals Are The Issue written by Linda S Katz and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-31 with Language Arts & Disciplines categories.
Supply your library with the best collection of resources on animal issues! Animals are the Issue: Library Resources on Animal Issues is a guide to books, journals, and Web sites on historic and modern animal treatment. Expert librarians and scholars provide helpful resources showing what ideals and practical solutions exist in animal rights and welfare debates. With this book, students, philosophers, and politicians can find the best of written and electronic resources about the protection and ethical use of animals by humankind. Animals are the Issue stands alone as a source for locating materials on animal protection and welfare. This valuable guide will help librarians save time and money in locating diverse areas of information regarding animal consumption and exploitation. The authors have noted what they consider to be the most essential resources for library collections. This book offers references that discuss the utilization of animals by humans: as companions in sports and entertainment in religion in science and education in industry in hunting Animals Are the Issue explores how animals are seen, viewed, and used by humans. With bibliographies, annotated lists, and short commentaries by the authors on nearly every item, you’ll be able to supply your patrons with a highly effective animal rights/welfare collection.
The Palgrave Handbook Of Critical Physical Geography
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Author : Rebecca Lave
language : en
Publisher: Springer
Release Date : 2018-04-04
The Palgrave Handbook Of Critical Physical Geography written by Rebecca Lave and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-04 with Social Science categories.
This handbook is recognition of the need to better integrate physical and human geography. It combines a collection of work and research within the new field of Critical Physical Geography, which gives critical attention to relations of social power with deep knowledge of a particular field of biophysical science. Critical Physical Geography research accords careful attention to biophysical landscapes and the power relations that have increasingly come to shape them, and to the politics of environmental science and the role of biophysical inquiry in promoting social and environmental justice. The Palgrave Handbook of Critical Physical Geography lays out the scope and guiding principles of Critical Physical Geography research. It presents a carefully selected set of empirical work, demonstrating the range and intellectual strength of existing integrative work in geography research. This handbook is the first of its kind to cover this emerging discipline and will be of significant interest to students and academics across the fields of geography, the environment and sustainability.
African Antelope Database 1998
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Author : Rod East
language : en
Publisher: IUCN
Release Date : 1999
African Antelope Database 1998 written by Rod East and has been published by IUCN this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Nature categories.
Although most antelope species still exist in large numbers in sub-Saharan Africa (some in hundreds of thousands), up to three-quarters of the species are in decline. Threats to their survival arise from the rapid growth of human and livestock populations, with consequent degradation and destruction of natural habitats, and excessive offtake by meat hunters. In addition, some parts of Africa are mow almost completely devoid of large wild animals because of uncontrolled slaughter during recent civil wars. This report presents the information currently held by the IUCN/SSC Antelope Specialist Group on the conservation status of each antelope species (and selected subspecies) in sub-Saharan Africa. Key areas have been identified for the conservation of representative antelope communities. While external donors make the greatest contributions to the conservation of antelopes, greater recognition of wildlife conservation in national and regional development plans is often a critically important requirement.
Counting Animals
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Author : M. Norton-Griffiths
language : en
Publisher:
Release Date : 1978
Counting Animals written by M. Norton-Griffiths and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Aeronautics in wildlife management categories.