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Are Himalayan ecosystems facing hidden collapse? Assessing the drivers and impacts of change to aid conservation, restoration and conflict resolution challenges

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Abstract

The Himalayas are a global hotspot for biodiversity and endemism, and yet the health of its natural ecosystems is deteriorating rapidly. Natural ecosystems across the Himalayas are threatened by diverse drivers, with each of them increasing the probability of extinction of endemic species and collapse of natural ecosystems. The key concern of this review is to endorse the urgent need to develop an agreed approach at national and regional level and support for the adoption of IUCN’s Red List of Ecosystems (RLE) at national, regional as well as biome level. With increasing population and diverse interests of stakeholders for subsistence, commercial and strategic needs, the threats are growing for the natural ecosystems. Deforestation and forest degradation rates are alarmingly high, with an exponential surge in unsustainable harvesting, developmental projects, urbanization, commercial tourism, pollution and climate change exerting more damage to natural ecosystems than expected. Countries in the region (Bhutan, China, India, Myanmar, and Pakistan) with a recent exception of Nepal, are rapidly losing their natural forest cover, ecosystem structure and functions to monoculture agriculture and commercial plantations. Wild life trafficking and transboundary illegal trade as a mega-driver has degraded even the most sensitive and high value high altitude alpine grasslands and timberline ecosystems. This review takes stock of diverse drivers of loss and their significant impact on ecological and social concerns that are not localized and are experienced beyond Himalayas by transboundary areas and downstream communities across Asia. It highlights the potential of existing and emerging risks in the region that indicates towards the compromised health of many Himalayan ecosystems. For data driven evidence-based decision making the RLE approach have been included as the headline indicators of the Kunming-Montreal Global Biodiversity Framework (GBF) for Goal A as well as in the UN System of Environmental Economic Accounting (SEEA). Hence, using RLE becomes a necessary and effective tool to support climate adaptations, conservation, conflict resolution and restoration planning efforts in the region. It is needed to help countries identify what strategic measures should be the priority to help halt, and reverse the collapse of Himalayan ecosystems.

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Fig. 1

Source: Manish and Pandit (2018) and Reddy et al. (2017)

Fig. 2

Source Brandt et al. (2017)

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Source Diksha (2017)

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Source Various Sources

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Source Various Sources

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Acknowledgements

Author is immensely grateful to the editor Prof. Nigel Stork and an anonymous reviewer for their constructive comments and suggestions to substantially improve the manuscript. The author acknowledges the Knowledge Resource Center, CSIR-NEERI for checking plagiarism using licensed version of i-thenticate software under the number CSIR-NEERI/KRC/2022/JULY/WTMD/2 and AcSIR PhD scholar Ms. Radhika Sood for providing pictures of Cordyceps collection.

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No funding support was received at any stage of research, drafting or development of this manuscript.

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SD conceptualized, reviewed, researched, developed main manuscript text, prepared the figures, reviewed, revised and finalized the manuscript for submission.

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Correspondence to Shalini Dhyani.

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I declare that the author has no competing interests as defined by Springer, or other interests that might be perceived to influence the results and/or discussion reported in this paper.

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Communicated by Nigel Stork.

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Dhyani, S. Are Himalayan ecosystems facing hidden collapse? Assessing the drivers and impacts of change to aid conservation, restoration and conflict resolution challenges. Biodivers Conserv 32, 3731–3764 (2023). https://doi.org/10.1007/s10531-023-02692-x

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  • DOI: https://doi.org/10.1007/s10531-023-02692-x

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