Introduction to Distance Sampling: Estimating Abundance of Biological Populations

Introduction to Distance Sampling: Estimating Abundance of Biological Populations

By: Stephen Terrence Buckland (author), Leonard Thomas (author), David Louis Borchers (author)Paperback

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Description

This book introduces the suite of techniques known as 'distance sampling', so-called because the common theme is the sampling of distances of objects from a line or point. The objects are usually animals or groups of animals ('clusters'), and the primary aim is to estimate their density or abundance in a survey area. In line transect sampling, the sampled distances are the shortest or perpendicular distance from a detected object to the line. It is the most widely used method for assessing the abundance of a wide range of terrestrial and marine animals. In point transect sampling, distances of detected objects from the sampled points are recorded. This book provides a comprehensive introduction to both techniques, and also describes several related techniques. 'Introduction to Distance Sampling' updates the 1993 book 'Distance Sampling', which was the first, and until now, only book devoted to the topic. The book is aimed at quantitative biologists and wildlife managers, and statisticians involved in wildlife monitoring programmes. Of particular significance in this update is the chapter on study design and field methods, which has been extensively rewritten and extended. New technologies such as laser range finders, theodolites and the Geographical Positioning System (GPS) are discussed, and advice is given on a wide range of survey methods. Analysis methods have also been generalized, through the use of various types of multiplier. Many exercises have been introduced, to make the book more useful to graduate students in wildlife and conservation management.

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Contents

1. Introductory concepts ; 2. Assumptions and modelling philosophy ; 3. Statistical theory ; 4. Line transects ; 5. Point transects ; 6. Related methods ; 7. Study design and field methods ; 8. Illustrative examples

Product Details

  • publication date: 19/07/2001
  • ISBN13: 9780198509271
  • Format: Paperback
  • Number Of Pages: 448
  • ID: 9780198509271
  • weight: 665
  • ISBN10: 0198509278

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