Introduction: Mountains occupy 24% of the global land surface and are home to 12% of the world's population; they host the world's principal biomes and supply a diverse array of ecosystem services. But they are also highly sensitive to both natural and human induced changes, which can affect service provision meant for one third of humanity. Systematic research on impacts of land cover change from mountains at the local scale are limited, especially in developing countries, which poses a barrier to informed planning for sustainable management. Bhutan being in the forefront as contributor towards global conservation goals, a case study following a systematic research framework considering quantitative, qualitative and geospatial tools was experimented. Outcome: Respondents identified and ranked 24 ecosystem services, among which the provisioning services were the most important, followed by cultural, regulating, and supporting services. Forest was the most important land cover type for services, followed by marsh, scrub, water bodies, and agriculture. The area of forest declined by 2% and marsh by 7% over the 32-year period, suggesting a potential decrease in ecosystem services, which was also observed by the local community. Discussion: It was observed that 80% of the local people are still directly dependent on the diverse ecosystems for services. Though subtle, the decrease in land cover has implications for livelihoods of the people and the rich biodiversity of the area. Aspiring communities for local development needs guidance for identifying trade-offs in land cover types in sustainable management. An integrated and holistic approach focusing on both conservation and community development should be used to manage and develop the valley and the region sustainably.
Conclusion:We recommend diversifying the limited livelihood strategies (potato farming and livestock grazing) to reduce the potential vulnerability of the local community and reduce the pressure on forest and marsh. Proper land use planning in the valley would be beneficial to maintain and regulate land uses in an effective way and avoid possible conflicts between settlement, agriculture, forest, and marsh.
Abstract. Biophysical and economic values are often used to aid understanding of the complex interplay between ecosystems, their services, and human well-being, but community values are rarely considered. In a case study of Barshong gewog in Bhutan, we used mapping methods that involved (1) local knowledge and perceptions collected using participatory rural appraisal tools, (2) a household survey, and (3) geospatial inputs, to understand the linkages between human well-being and ecosystem services at the local level, as perceived by the community. The study identified three major ecosystems-forest, agriculture, and freshwater-that contribute highly to local livelihoods. Collectively, these ecosystems provide a wide range of goods and services, including 22 provisioning, 13 regulating, 4 supporting, and 6 cultural services. About 85% of the households depend directly upon provisioning ecosystem services for their livelihoods and income. The study also identified the importance of the ecosystems in terms of three value domainsecological, socioeconomic, and cultural.
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