ArticlePloS one2017
Fine-scale population genetic structure of the Bengal tiger (Panthera tigris tigris) in a human-dominated western Terai Arc Landscape, India.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 27 citations in OpenAlex.
- Strategic Sampling of Eurasian Otter Spraints for Genetic Research in South Korea: Enhancing PCR Success and Data Accuracy.Animals : an open access journal from MDPI · 2025Article
- Range-wide understanding of genetic diversity and population structure of endangered Kashmir musk deer in North-Western Himalaya.Molecular biology reports · 2025Article
- Genetic insights and conservation strategies for Amur tigers in Southwest Primorye Russia.Scientific reports · 2024Article
- Female-biased introductions produce higher predicted population size and genetic diversity in simulations of a small, isolated tiger (Panthera tigris) population.Scientific reports · 2023Article
- DNA matchmaking in captive facilities: a case study with tigers.Molecular biology reports · 2022Article
- Whole genome survey of big cats (Genus: Panthera) identifies novel microsatellites of utility in conservation genetic study.Scientific reports · 2021Article
- Microsatellite characterization and development of unified STR panel for big cats in captivity: a case study from a Seoul Grand Park Zoo, Republic of Korea.Molecular biology reports · 2021Article
- Noninvasive sampling reveals population genetic structure in the Royle's pika,Ecology and evolution · 2019Article
- Species, sex and geo-location identification of seized tiger (Panthera tigris tigris) parts in Nepal-A molecular forensic approach.PloS one · 2018Article
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9 authors at 4 institutions in 3 countries.
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Abstract
Despite massive global conservation strategies, tiger populations continued to decline until recently, mainly due to habitat loss, human-animal conflicts, and poaching. These factors are known to affect the genetic characteristics of tiger populations and decrease local effective population sizes. The Terai Arc Landscape (TAL) at the foothills of the Himalaya is one of the 42 source sites of tigers around the globe. Therefore, information on how landscape features and anthropogenic factors affect the fine-scale spatial genetic structure and variation of tigers in TAL is needed to develop proper management strategies for achieving long-term conservation goals. We document, for the first time, the genetic characteristics of this tiger population by genotyping 71 tiger samples using 13 microsatellite markers from the western region of TAL (WTAL) of 1800 km2. Specifically, we aimed to estimate the genetic variability, population structure, and gene flow. The microsatellite markers indicated that the levels of allelic diversity (MNA = 6.6) and genetic variation (Ho = 0.50, HE = 0.64) were slightly lower than those reported previously in other Bengal tiger populations. We observed moderate gene flow and significant genetic differentiation (FST= 0.060) and identified the presence of cryptic genetic structure using Bayesian and non-Bayesian approaches. There was low and significantly asymmetric migration between the two main subpopulations of the Rajaji Tiger Reserve and the Corbett Tiger Reserve in WTAL. Sibship relationships indicated that the functionality of the corridor between these subpopulations may be retained if the quality of the habitat does not deteriorate. However, we found that gene flow is not adequate in view of changing land use matrices. We discuss the need to maintain connectivity by implementing the measures that have been suggested previously to minimize the level of human disturbance, including relocation of villages and industries, prevention of encroachment, and banning sand and boulder mining in the corridors.
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