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印度东部热带干叶森林中的树木多样性,种群结构,生物质积累和碳库动态
Abinash Mansingh1, Antaryami Pradhan2, Satya Ranjan Sahoo1
1School of Life Sciences, Sambalpur University, Burla, 768019, Odisha, India.
BMC ecology and evolution
|May 16, 2025
概括
印度的热带干叶森林对生物多样性和碳储存至关重要. 这项研究揭示了树木多样性和生物质碳库的显著差异,强调了有针对性的保护工作的必要性.
科学领域:
- 生态生态学 生态生态学
- 林业林业 林业 林业 林业
- 气候变化科学 气候变化科学
背景情况:
- 热带干叶森林是生物多样性和碳封存的关键生态系统.
- 这些森林面临着人类活动和气候变化的重大威胁.
研究的目的:
- 评估印度东部五个森林区的树木多样性,人口结构和生物质碳库存.
- 了解这些森林的生态意义和碳捕集潜力.
主要方法:
- 用5公里×5公里网格进行分层随机抽样进行植被分析.
- 在0.1公土地上评估了树木的多样性;对树木的生物质估计≥10厘米周长,胸高≥10厘米.
- 人口结构和生物量在六个周长类中使用标准化协议进行分析.
主要成果:
- 记录了80种树种,其中Fabaceae家族占主导地位. 在物种丰富度 (32-52),树木密度 (804-1332树/ha) 和基底面积 (18.28-24.92 m2/ha) 中观察到显著的变化.
- 科拉比拉和巴格迪希森林范围显示了最高的多样性指数,表明了高的生态意义和碳捕获潜力.
- 中型树木对生物质的贡献最大;总生物质和碳储量在空间上有所不同,贝尔帕哈尔山脉拥有最高的生物质 (129.63 Mg/ha,58.47 MgC/ha碳) 和Jharsuguda最低的生物质 (86.73 Mg/ha生物质,40.76 MgC/ha碳).
结论:
- 热带干叶森林具有生态意义,需要紧急保护生物多样性和碳储存.
- 这些发现为改善森林管理和制定政策提供了科学基础,以应对印度的生物多样性丧失和气候变化.
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