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DOI: 10.1371/journal.pone.0087804
论文题名:
Delineating Ecological Boundaries of Hanuman Langur Species Complex in Peninsular India Using MaxEnt Modeling Approach
作者: Nag Chetan; Karanth K. Praveen; Gururaja Kotambylu Vasudeva
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2014
发表日期: 2014-2-3
卷: 9, 期:2
语种: 英语
英文关键词: Ecological niches ; Species delimitation ; India ; Primates ; Rain ; Theoretical ecology ; Conservation science ; Taxonomy
英文摘要: 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.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0087804&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/19937
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Department of Biology, Undergraduate Program, Indian Institute of Science, Bangalore, Karnataka, India;Center for ecological sciences, Indian Institute of Science, Bangalore, Karnataka, India;Centre for infrastructure, Sustainable Transportation and Urban Planning (CiSTUP), Indian Institute of Science, Bangalore, Karnataka, India

Recommended Citation:
Nag Chetan,Karanth K. Praveen,Gururaja Kotambylu Vasudeva. Delineating Ecological Boundaries of Hanuman Langur Species Complex in Peninsular India Using MaxEnt Modeling Approach[J]. PLOS ONE,2014-01-01,9(2)
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