Comparison of point transect distance and traditional acoustic point-count sampling of hoolock gibbons in Htamanthi Wildlife Sanctuary, Myanmar.
Htamanthi Wildlife Sanctuary
Myanmar
acoustic sampling
hoolock leucogenys
point transect method
Journal
American journal of primatology
ISSN: 1098-2345
Titre abrégé: Am J Primatol
Pays: United States
ID NLM: 8108949
Informations de publication
Date de publication:
12 2020
12 2020
Historique:
received:
10
04
2020
revised:
11
08
2020
accepted:
01
09
2020
pubmed:
29
9
2020
medline:
9
1
2021
entrez:
28
9
2020
Statut:
ppublish
Résumé
Effective conservation demands more accurate and reliable methods of survey and monitoring of populations. Surveys of gibbon populations have relied mostly on mapping of groups in "listening areas" using acoustical point-count data. Traditional methods of estimating density in have usually used counts of gibbon groups within fixed-radius areas or areas bounded by terrain barriers to sound transmission, and have not accounted for possible decline in detectability with distance. In this study we sampled the eastern hoolock gibbon (Hoolock leucogenys) population in Htamanthi Wildlife Sanctuary (WS), Myanmar, using two methods: the traditional point-count method with fixed-radius listening areas, and a newer method using point-transect Distance analysis from a sample point established in the center of each listening point array. The basic data were obtained by triangulating on singing groups from four LPs for 4 days, in 10 randomly selected sample areas within the sanctuary. The point transect method gave an average density of 3.13 groups km
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e23198Informations de copyright
© 2020 Wiley Periodicals LLC.
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