火灾制度下的森林状况:印度北阿坎德邦Almora地区上科西流域的案例研究

D. Bisht, Prakash Singh, R. Sundriyal
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引用次数: 1

摘要

喜马拉雅地区不断增加的森林火灾事件对动植物、生计和环境造成了威胁。中国红松(Pinus roxburghii)森林特别容易受到森林火灾的影响,因为它们的落叶层富含树脂。本文研究了北阿坎德邦Almora地区上科西流域两个Chir松林的森林结构、更新、生物量-碳动态、凋落叶和土壤理化性质。两种林分均表现出较低的乔木密度、良好的更新潜力、生物量碳和凋落物质量。然而,2号林分近年来受到了橡树种植的影响,并呈现出改善的态势。研究表明,杉木林分遭受饲料采集、放牧和树脂提取,而其凋落物易受火灾影响,导致大量生物源碳释放回大气。这突出了优先管理中国红松林的必要性。提出了在村务委员会(即范村务委员会)的支持下改善奇尔松林的建议。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Forest status under fire regime: A case study from Upper Kosi watershed in Almora district, Uttarakhand, India
The ever-increasing incidents of forest fire in the Himalayan region cause a threat to flora, fauna, livelihoods, and the environment. The Chir pine (Pinus roxburghii) forests are especially susceptible to forest fires due to their resin-rich leaf litter. This study investigates forest structure, regeneration, biomass-carbon dynamics, leaf-litter, and soil physio-chemical properties in two Chir pine stands in the Upper-Kosi watershed, Almora district, Uttarakhand. Both stands exhibited lower tree density, good regeneration potential, biomass-carbon, and litter mass due to intense biotic pressure. Although, stand 2 has been subjected to oak-plantation in recent years and showed an improving status. The study revealed that Chir pine stands are subjected to fodder collection, grazing, and resin extraction, while its litter is susceptible to fire which leads to the release of a significant flux of biogenic carbon back to the atmosphere. This highlights the need to manage Chir pine stands on a priority basis. Recommendations for improving Chir pine stands with the support of village panchayats (i.e. Van panchayats) have been given.
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