Nupoint: An R package for density estimation from point transects in the presence of nonuniform animal density

Martin J. Cox*, David L. Borchers, Natalie Kelly

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Summary: The R package nupoint provides tools for estimating animal density from point transect surveys in which the conventional point transect assumption of uniform animal distribution in the vicinity of the point is violated. It includes tools for plotting, model selection, goodness-of-fit testing and simulation. This paper describes the main features of the package and illustrates its use by application to two different kinds of survey dataset.

Original languageEnglish
Pages (from-to)589-594
Number of pages6
JournalMethods in Ecology and Evolution
Volume4
Issue number6
DOIs
Publication statusPublished - Jun 2013

Keywords

  • Density gradient
  • Distance sampling
  • Nonuniform distribution
  • Point transect
  • Road survey
  • Shore survey

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