Download PDF by William J. Sutherland, Ian Newton, Rhys Green: Bird Ecology and Conservation: A Handbook of Techniques

By William J. Sutherland, Ian Newton, Rhys Green

ISBN-10: 0198520859

ISBN-13: 9780198520856

During this intensely functional guide, a staff of top ornithologists describe a variety of regular equipment that may be utilized to the learn of avian ecology and conservation. issues lined diversity from surveys and monitoring and dealing with to breeding biology, foraging habit, and migration. Chapters on conservation recommendations describe the best way to investigate species over-exploitation, the tools to be had for the extensive conservation of endangered species, and the rules fascinated by the upkeep and recovery of habitats. This complete synthesis may be crucial interpreting for graduate scholars and researchers in addition to a beneficial source for environmental experts conservationists all over the world. poultry Ecology and Evolution is the 1st identify in a brand new sequence of functional handbooks which come with titles targeting particular taxonomic teams in addition to these describing broader subject matters and topics. William J. Sutherland is the sequence editor.

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Extra info for Bird Ecology and Conservation: A Handbook of Techniques (Techniques in Ecology & Conservation)

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We repeat this process to create 999 unique estimates of the number of birds within each stratum. ), to give 999 “bootstrapped” estimates of the overall population size. These totals are then sorted or ranked in size and the 25th and 975th values taken as the 95% confidence intervals. birds. A more pragmatic approach is semi-random sampling, where sampling units are randomly selected within a predefined area. If, for example, you are able to travel a maximum of 50 km from your base to count birds, it is possible to select count sites at random from those available within this radius.

G. Carter et al. 2000; Gregory et al. org), are based largely on information on population size. In addition, surveys can be used to collect information on where birds are in relation to different habitats, and so assess habitat associations. 2 What is monitoring and why do we need it? Monitoring is a simple step on from a survey, in that by undertaking repeat surveys we can estimate the population trend of a particular species over time. Here consistency of method is crucial to measuring genuine population fluctuations.

Endemic Bird Areas of the World: Priorities for Biodiversity Conservation. BirdLife International, Cambridge. This page intentionally left blank 2 Bird census and survey techniques Richard D. Gregory, David W. Gibbons, and Paul F. 1 Introduction In Chapter 1, we saw how it was possible to use simple methods to assess the species composition in an area and to give an idea of their relative abundances. Here, we consider methods that will allow us to derive estimates of population size or density or, where this is unnecessary or impossible, population indices.

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Bird Ecology and Conservation: A Handbook of Techniques (Techniques in Ecology & Conservation) by William J. Sutherland, Ian Newton, Rhys Green

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