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

被引：6
|
作者：
Cox, Martin J. [1 ]
Borchers, David L. [2 ]
Kelly, Natalie [3 ,4 ]
机构：
[1] Australian Antarctic Div, Kingston, Tas 7050, Australia
[2] Univ St Andrews, Ctr Res Environm & Ecol Modelling, St Andrews KY16 9LZ, Fife, Scotland
[3] CSIRO Math Informat & Stat & Wealth Oceans Nat Re, Hobart, Tas 7000, Australia
[4] Australian Antarctic Div, Australian Marine Mammal Ctr, Kingston, Tas 7050, Australia
来源：
METHODS IN ECOLOGY AND EVOLUTION | 2013年 / 4卷 / 06期
基金：
澳大利亚研究理事会;
关键词：
Point transect; distance sampling; nonuniform distribution; road survey; shore survey; density gradient;
D O I：
10.1111/2041-210X.12058
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
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.
引用
收藏
页码：589 / 594
页数：6
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