West to east shift in range predicted for Himalayan Langur in climate change scenario

Bagaria, Priyamvada; Sharma, Lalit Kumar; Joshi, Bheem Dutt; Kumar, Hemant; Mukherjee, Tanoy; Thakur, Mukesh; Chandra, Kailash

doi:10.1016/j.gecco.2020.e00926

Cited by 17 publications

(5 citation statements)

References 63 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…We omitted highly correlated variables with a threshold of 0.8 65 , 66 . Although we selected initially 26 variables but final model was predicted using 19 variables which passed on the multicollinearity test 67 and other related variables with a threshold of 0.8 were excluded to get rid of the over fit model (Table S6 ) 66 , 68 . For modelling, we have used 70% of the total locations as training and remaining 30% for testing the significance 60 , 66 , 69 .…”

Section: Methodsmentioning

confidence: 99%

Fine-scale landscape genetics unveiling contemporary asymmetric movement of red panda (Ailurus fulgens) in Kangchenjunga landscape, India

Dalui

Khatri

Singh

et al. 2020

Sci Rep

Self Cite

View full text Add to dashboard Cite

Wildlife management in rapid changing landscapes requires critical planning through cross cutting networks, and understanding of landscape features, often affected by the anthropogenic activities. The present study demonstrates fine-scale spatial patterns of genetic variation and contemporary gene flow of red panda (Ailurus fulgens) populations with respect to landscape connectivity in Kangchenjunga Landscape (KL), India. The study found about 1,309.54 km2 area suitable for red panda in KL—India, of which 62.21% area fell under the Protected Area network. We identified 24 unique individuals from 234 feces collected at nine microsatellite loci. The spatially explicit and non-explicit Bayesian clustering algorithms evident to exhibit population structuring and supported red panda populations to exist in meta-population frame work. In concurrence to the habitat suitability and landscape connectivity models, gene flow results supported a contemporary asymmetric movement of red panda by connecting KL—India in a crescent arc. We demonstrate the structural-operational connectivity of corridors in KL—India that facilitated red panda movement in the past. We also seek for cooperation in Nepal, Bhutan and China to aid in preparing for a comprehensive monitoring plan for the long-term conservation and management of red panda in trans-boundary landscapes.

show abstract

Section: Methodsmentioning

confidence: 99%

Fine-scale landscape genetics unveiling contemporary asymmetric movement of red panda (Ailurus fulgens) in Kangchenjunga landscape, India

Dalui

Khatri

Singh

et al. 2020

Sci Rep

Self Cite

View full text Add to dashboard Cite

show abstract

“…The Himalayan langurs are threatened by habitat destruction—a result of human mediated climate change and human population expansion [ 64 ]. A recent study, using species distribution modelling, predicted range contraction of ~ 64% by 2050 under the GCMs RCP 4.5 and 8.5 [ 65 ]. Here, we investigated the drivers of population demography and genetic structure of the Himalayan langurs.…”

Section: Discussionmentioning

confidence: 99%

Geography vs. past climate: the drivers of population genetic structure of the Himalayan langur

et al. 2022

View full text Add to dashboard Cite

Background Contemporary species distribution, genetic diversity and evolutionary history in many taxa are shaped by both historical and current climate as well as topography. The Himalayas show a huge variation in topography and climatic conditions across its entire range, and have experienced major climatic fluctuations in the past. However, very little is known regarding how this heterogenous landscape has moulded the distribution of Himalayan fauna. A recent study examined the effect of these historical events on the genetic diversity of the Himalayan langurs in Nepal Himalaya. However, this study did not include the samples from the Indian Himalayan region (IHR). Therefore, here we revisit the questions addressed in the previous study with a near complete sampling from the IHR, along with the samples from the Nepal Himalaya. We used the mitochondrial Cytochrome-b (Cyt-b, 746 bp) region combined with multiple phylogeographic analyses and palaeodistribution modelling. Results Our dataset contained 144 sequences from the IHR as well as the Nepal Himalaya. Phylogenetic analysis showed a low divergent western clade nested within high divergent group of eastern lineages and in the network analysis we identified 22 haplotypes over the entire distribution range of the Himalayan langurs. Samples from the Nepal Himalaya showed geographically structured haplotypes corresponding to different river barriers, whereas samples from IHR showed star-like topology with no structure. Our statistical phylogeography analysis using diyABC supported the model of east to west colonisation of these langurs with founder event during colonisation. Analysis of demographic history showed that the effective population size of the Himalayan langurs decreased at the onset of last glacial maximum (LGM) and started increasing post LGM. The palaeodistribution modelling showed that the extent of suitable habitat shifted from low elevation central Nepal, and adjoining parts of north India, during LGM to the western Himalaya at present. Conclusion The current genetic diversity and distribution of Himalayan langurs in the Nepal Himalaya has been shaped by river barriers, whereas the rivers in the IHR had relatively less time to act as a strong genetic barrier after the recent colonisation event. Further, the post LGM expansion could have had confounding effect on Himalayan langur population structure in both Nepal Himalaya and IHR.

show abstract

“…Future projections also showed that animal habitats in the Himalaya are under threat due to cryospheric change (Farrington & Li, 2016). For example, the suitable habitat for the Himalayan grey langur (Semnopithecus entellus) was predicted to decline by more than 60% in 2050 under both RCP4.5 and RCP8.5 scenarios (Bagaria et al, 2020). In addition, the current suitable habitats are likely to get further fragmented in future scenarios, which would reduce the quality of the habitat.…”

Section: Movement Decline and Lossmentioning

confidence: 99%

Chapter 4: Effects of a changing cryosphere on biodiversity and ecosystem services, and response options in the Hindu Kush Himalaya

Chaudhary¹,

Chettri²,

Adhikari³

et al. 2023

Water, Ice, Society, and Ecosystems in the Hindu Kush Himalaya: An Outlook

View full text Add to dashboard Cite

Chapter 4 of the Water, ice, society, and ecosystems in the HKH (HI-WISE) assessment report assesses the scientific literature on the impacts of the changing cryosphere on biodiversity and ecosystem services in the Hindu Kush Himalaya (HKH) as well as response options. The cryosphere supports a region of vast, interconnected biodiversity, with 40% of the HKH under environmental protection. As the cryosphere changes, serious impacts on biodiversity at the ecosystem, genetic, and species levels mean an overwhelming majority of animal and plant species are negatively affected, sometimes to extinction. Even if global warming is limited to 1.5°C, the HKH is likely to face serious impacts in terms of species loss, ecosystem structure, and productivity, resulting in lowered ecosystem services flows.

show abstract

West to east shift in range predicted for Himalayan Langur in climate change scenario

Cited by 17 publications

References 63 publications

Fine-scale landscape genetics unveiling contemporary asymmetric movement of red panda (Ailurus fulgens) in Kangchenjunga landscape, India

Fine-scale landscape genetics unveiling contemporary asymmetric movement of red panda (Ailurus fulgens) in Kangchenjunga landscape, India

Geography vs. past climate: the drivers of population genetic structure of the Himalayan langur

Chapter 4: Effects of a changing cryosphere on biodiversity and ecosystem services, and response options in the Hindu Kush Himalaya

Contact Info

Product

Resources

About