辽宁省生物多样性保护优先区识别

doi:10.13287/j.1001-9332.202005.032

摘要/Abstract

摘要： 生物多样性保护优先区是我国为加强生物多样性保护划定的重要区域,辽宁省境内目前并无此类优先区,弥补相关缺失具有重要意义。本研究通过对生态系统保护、人类影响和生物多样性保护区划3个准则层7个指标进行计算,依次获得辽宁省生物多样性保护优先区指标值、准则层值和优先区识别综合值,结合辽宁省县(市)行政边界和自然保护区边界数据,确定了辽宁西部和东部生物多样性保护优先区的建议地域范围。其中,辽宁西部生物多样性保护优先区面积为12951 km²,森林覆盖率为53.6%,包括9个省级以上自然保护区,以水土保持作为区域重要生态功能;辽宁东部生物多样性保护优先区面积为20057 km²,森林覆盖率为78.9%,包括8个省级以上自然保护区,以水源涵养作为区域重要生态功能。上述优先区是国家和省级保护物种的集中分布区,也是辽宁省重要生态系统的分布区,亟待开展生物多样性保护工作。

关键词: 生物多样性保护, 优先区, 生态系统, 人类影响, 自然保护区

Abstract: Priority areas of biodiversity conservation (PABC) were classified to strengthen biodiversity conservation in China. As there are no such priority areas in Liaoning Province, China, it is important to make up this gap. After calculation of seven indices at three composition levels (ecosystem conservation, human interference, and regionalization for biodiversity conservation), index values, composition values, and comprehensive recognition value for PABCs in Liaoning Province were obtained successively. Suggested territorial scopes of Western Liaoning Priority Area (WPA) and Eastern Liaoning Priority Area (EPA) were then determined in terms of administrative boundaries of towns, counties, and nature reserves. Among them, WPA covers an area of 12951 km², with 53.6% of forest coverage and nine national or provincial nature reserves. The main ecological function of WPA is soil and water conservation. EPA is 20057 km² in area, with 78.9% of forest cove-rage and eight national or provincial nature reserves. Water resource conservation is the main ecological function of EPA. Key protected species at national or provincial level and the important ecosystems are densely distributed in those priority areas. It is urgent to carry out biodiversity conservation in these PABCs.

Key words: biodiversity conservation, priority area, ecosystem, human interference, nature reserve

高昌源, 付保荣, 李晓军, 于大炮, 巩宗强. 辽宁省生物多样性保护优先区识别[J]. 应用生态学报, 2020, 31(5): 1673-1681.

GAO Chang-yuan, FU Bao-rong, LI Xiao-jun, YU Da-pao, GONG Zong-qiang. Recognition of priority area of biodiversity conservation in Liaoning Province, Northeast China[J]. Chinese Journal of Applied Ecology, 2020, 31(5): 1673-1681.

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