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海南大田国家级自然保护区海南坡鹿生境适宜性动态评价
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Journal Article
海南大田国家级自然保护区海南坡鹿生境适宜性动态评价
2025
Overview
Q958.1; 适宜的栖息地是野生动物种群资源发展的重要保障,明确其时空变化特征对野生动物物种保护与管理具有重要意义.基于自然因素和人为干扰因素的8个评价指标,采用栖息地适宜性指数(HSI)模型对1988-2023年海南大田国家级自然保护区海南坡鹿(Rucervus eldii hainanus)的栖息地适宜性进行综合评价.结果表明:(1)2023年,卫星项圈跟踪数据显示海南坡鹿出现在评价结果为\"最适宜\"\"适宜\"和\"次适宜\"区域的记录比例达99.91%;(2)1988-2023年,\"最适宜\"和\"适宜\"区域面积整体均呈增减反复波动变化趋势,\"最适宜\"区域总面积减少93.40 hm2,\"适宜\"区域总面积增加161.13 hm2;(3)1988-1993年、1998-2003年和2018-2023年,研究区\"次适宜→适宜\"\"适宜→最适宜\"和\"适宜→次适宜\"的转移面积较大,分别为265.46、178.45、347.67 hm2;(4)\"最适宜\"区域重心变化最复杂,整体向东北方向偏移,迁移均值为495.15 m,\"适宜\"区域重心迁移距离最大,整体向东南方向偏移,迁移均值为528.79 m;(5)保护区海南坡鹿的栖息地适宜性具有显著的空间自相关,热点区域自保护区西部逐渐扩散到南部和北部,冷点区域一直围绕保护区边缘分布.本研究结果对恢复海南坡鹿种群数量和提高栖息地管理质量具有指导意义.
Publisher
海南大学热带农林学院,海口,570228,海南大学智慧林业重点实验室,海口,570228%海南大田国家级自然保护区管理局,东方,572600,Editorial Department of Chinese Journal of Wildlife
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