Arid
DOI10.1080/11250003.2014.974695
The effect of data analysis strategies in density estimation of mountain ungulates using distance sampling
Perez, J. M.1; Sarasa, M.1; Moco, G.1; Granados, J. E.2; Crampe, J. -P.3; Serrano, E.4,5; Maurino, L.6; Meneguz, P. -G.7; Afonso, A.8; Alpizar-Jara, R.8
通讯作者Perez, J. M.
来源期刊ITALIAN JOURNAL OF ZOOLOGY
ISSN1125-0003
EISSN1748-5851
出版年2015
卷号82期号:2页码:262-270
英文摘要

Distance sampling is being extensively used to estimate the abundance of animal populations. Nevertheless, the great variety of ways in which data can be analyzed may limit comparisons due to the lack of standardization of such protocols. In this study, the influence of analytical procedures for distance sampling data on density estimates and their precision was assessed. We have used data from 21 surveys of mountain ungulates in the Iberian Peninsula, France and the Italian Alps. Data from such surveys were analyzed with the program Distance 6.0. Our analyses show that estimated density can be higher for higher levels of data truncation. We also confirm that the estimates tend to be more precise when data are analyzed without binning and without truncating. We found no evidence of size biased sampling as group size and distances were uncorrelated in most of our surveys. Despite distance sampling being a fairly robust methodology, it can be sensitive to some data analysis strategies.


英文关键词population monitoring data analysis precision mountain ungulates Distance sampling
类型Article
语种英语
国家Spain ; France ; Portugal ; Italy
收录类别SCI-E
WOS记录号WOS:000353501900015
WOS关键词LINE-TRANSECT SURVEYS ; POPULATION-SIZE ; CAPRA-PYRENAICA ; DEER ABUNDANCE ; NATURAL-PARK ; DESERT ; DUNG ; BIAS
WOS类目Zoology
WOS研究方向Zoology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/188130
作者单位1.Univ Jaen, Dept Biol Anim Biol Vegetal & Ecol, E-23071 Jaen, Spain;
2.Parque Nacl & Parque Nat Sierra Nevada, Granada, Spain;
3.Parc Natl Pyrenees, Tarbes, France;
4.Univ Autonoma Barcelona, Serv Ecopatol Fauna Salvaje, E-08193 Barcelona, Spain;
5.Univ Aveiro, Dept Biol, CESAM, P-3800 Aveiro, Portugal;
6.Parco Nat Val Troncea, Pragelato, Italy;
7.Univ Turin, Dipartimento Sci Vet, Grugliasco, Italy;
8.Univ Evora, Dept Matemat, Ctr Invest Matemat & Aplicacoes, Evora, Portugal
推荐引用方式
GB/T 7714
Perez, J. M.,Sarasa, M.,Moco, G.,et al. The effect of data analysis strategies in density estimation of mountain ungulates using distance sampling[J],2015,82(2):262-270.
APA Perez, J. M..,Sarasa, M..,Moco, G..,Granados, J. E..,Crampe, J. -P..,...&Alpizar-Jara, R..(2015).The effect of data analysis strategies in density estimation of mountain ungulates using distance sampling.ITALIAN JOURNAL OF ZOOLOGY,82(2),262-270.
MLA Perez, J. M.,et al."The effect of data analysis strategies in density estimation of mountain ungulates using distance sampling".ITALIAN JOURNAL OF ZOOLOGY 82.2(2015):262-270.
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