17. Line and Point Transects

  1. Steven K. Thompson

Published Online: 10 FEB 2012

DOI: 10.1002/9781118162934.ch17

Sampling, Third Edition

Sampling, Third Edition

How to Cite

Thompson, S. K. (2012) Line and Point Transects, in Sampling, Third Edition, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9781118162934.ch17

Author Information

  1. Simon Fraser University, Canada

Publication History

  1. Published Online: 10 FEB 2012
  2. Published Print: 23 FEB 2012

Book Series:

  1. Wiley Series in Probability and Statistics

Book Series Editors:

  1. Walter A. Shewhart and
  2. Samuel S. Wilks

ISBN Information

Print ISBN: 9780470402313

Online ISBN: 9781118162934



  • line transect data, density estimation;
  • detectability functions;
  • sampling design, transect locations


This chapter contains sections titled:

  • Density Estimation Methods for Line Transects

  • Narrow-Strip Method

  • Smooth-by-Eye Method

  • Parametric Methods

  • Nonparametric Methods

  • Designs for Selecting Transects

  • Random Sample of Transects

  • Systematic Selection of Transects

  • Selection with Probability Proportional to Length

  • Note on Estimation of Variance for the Kernel Method

  • Some Underlying Ideas about Line Transects

  • Detectability Imperfect on the Line or Dependent on Size

  • Estimation Using Individual Detectabilities

  • Detectability Functions other than Line Transects

  • Variable Circular Plots or Point Transects

  • Exercise