Delineating ecological boundaries of Hanuman langur species complex in peninsular India using MaxEnt modeling approach.

Hanuman langur is one of the widely distributed and extensively studied non-human diurnal primates in India. Until recently it was believed to be a single species - Semnopithecus entellus. Recent molecular and morphological studies suggest that the Hanuman langurs consists of at least three species...

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Autores principales:	Chetan Nag, K Praveen Karanth, Kotambylu Vasudeva Gururaja
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/adbf69c3ca884aa9913984977cbcdda1
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spelling	oai:doaj.org-article:adbf69c3ca884aa9913984977cbcdda12021-11-18T08:34:11ZDelineating ecological boundaries of Hanuman langur species complex in peninsular India using MaxEnt modeling approach.1932-620310.1371/journal.pone.0087804https://doaj.org/article/adbf69c3ca884aa9913984977cbcdda12014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24498377/?tool=EBIhttps://doaj.org/toc/1932-6203Hanuman langur is one of the widely distributed and extensively studied non-human diurnal primates in India. Until recently it was believed to be a single species - Semnopithecus entellus. Recent molecular and morphological studies suggest that the Hanuman langurs consists of at least three species S. entellus, S. hypoleucos and S. priam. Furthermore, morphological studies suggested that both S. hypoleucos and S. priam have at least three subspecies in each. We explored the use of ecological niche modeling (ENM) to confirm the validity of these seven taxa and an additional taxon S. johnii belonging to the same genus. MaxEnt modeling tool was used with 19 bioclimatic, 12 vegetation and 6 hydrological environmental layers. We reduced total environmental variables to 14 layers after testing for collinearity and an independent test for model prediction was done using ENMTools. A total of 196 non-overlapping data points from primary and secondary sources were used as inputs for ENM. Results showed eight distinct ecological boundaries, corroborating the eight taxa mentioned above thereby confirming validity of these eight taxa. The study, for the first time provided ecological variables that determined the ecological requirements and distribution of members of the Hanuman langur species complex in the Indian peninsula.Chetan NagK Praveen KaranthKotambylu Vasudeva GururajaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 2, p e87804 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Chetan Nag K Praveen Karanth Kotambylu Vasudeva Gururaja Delineating ecological boundaries of Hanuman langur species complex in peninsular India using MaxEnt modeling approach.
description	Hanuman langur is one of the widely distributed and extensively studied non-human diurnal primates in India. Until recently it was believed to be a single species - Semnopithecus entellus. Recent molecular and morphological studies suggest that the Hanuman langurs consists of at least three species S. entellus, S. hypoleucos and S. priam. Furthermore, morphological studies suggested that both S. hypoleucos and S. priam have at least three subspecies in each. We explored the use of ecological niche modeling (ENM) to confirm the validity of these seven taxa and an additional taxon S. johnii belonging to the same genus. MaxEnt modeling tool was used with 19 bioclimatic, 12 vegetation and 6 hydrological environmental layers. We reduced total environmental variables to 14 layers after testing for collinearity and an independent test for model prediction was done using ENMTools. A total of 196 non-overlapping data points from primary and secondary sources were used as inputs for ENM. Results showed eight distinct ecological boundaries, corroborating the eight taxa mentioned above thereby confirming validity of these eight taxa. The study, for the first time provided ecological variables that determined the ecological requirements and distribution of members of the Hanuman langur species complex in the Indian peninsula.
format	article
author	Chetan Nag K Praveen Karanth Kotambylu Vasudeva Gururaja
author_facet	Chetan Nag K Praveen Karanth Kotambylu Vasudeva Gururaja
author_sort	Chetan Nag
title	Delineating ecological boundaries of Hanuman langur species complex in peninsular India using MaxEnt modeling approach.
title_short	Delineating ecological boundaries of Hanuman langur species complex in peninsular India using MaxEnt modeling approach.
title_full	Delineating ecological boundaries of Hanuman langur species complex in peninsular India using MaxEnt modeling approach.
title_fullStr	Delineating ecological boundaries of Hanuman langur species complex in peninsular India using MaxEnt modeling approach.
title_full_unstemmed	Delineating ecological boundaries of Hanuman langur species complex in peninsular India using MaxEnt modeling approach.
title_sort	delineating ecological boundaries of hanuman langur species complex in peninsular india using maxent modeling approach.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/adbf69c3ca884aa9913984977cbcdda1
work_keys_str_mv	AT chetannag delineatingecologicalboundariesofhanumanlangurspeciescomplexinpeninsularindiausingmaxentmodelingapproach AT kpraveenkaranth delineatingecologicalboundariesofhanumanlangurspeciescomplexinpeninsularindiausingmaxentmodelingapproach AT kotambyluvasudevagururaja delineatingecologicalboundariesofhanumanlangurspeciescomplexinpeninsularindiausingmaxentmodelingapproach
_version_	1718421641388621824

Delineating ecological boundaries of Hanuman langur species complex in peninsular India using MaxEnt modeling approach.

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