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Changes in the spatial and temporal pattern of natural forest cover on Hainan Island from the 1950s to the 2010s: implications for natural forest conservation and management

机译:1950年代至2010年代海南岛天然林覆盖的时空格局变化:对天然林保护和管理的影响

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摘要

The study of the past, present, and future state and dynamics of the tropical natural forest cover (NFC) might help to better understand the pattern of deforestation and fragmentation as well as the influence of social and natural processes. The obtained information will support the development of effective conservation policies and strategies. In the present study, we used historical data of the road network, topography, and climatic productivity to reconstruct NFC maps of Hainan Island, China, from the 1950s to the 2010s, using the random forest algorithm. We investigated the spatial and temporal patterns of NFC change from the 1950s to the 2010s and found that it was highly dynamic in both space and time. Our data showed that grid cells with low NFC were more vulnerable to NFC decrease, suggesting that conservation actions regarding natural forests need to focus on regions with low NFC and high ecological value. We also identified the hot spots of NFC change, which provides insights into the dynamic changes of natural forests over time.
机译:对热带天然森林覆盖物(NFC)过去,现在和将来的状态和动态的研究可能有助于更好地了解森林砍伐和碎片化的模式以及社会和自然过程的影响。所获得的信息将支持制定有效的保护政策和战略。在本研究中,我们使用道路网络,地形和气候生产力的历史数据,使用随机森林算法重建了1950年代至2010年代的中国海南岛NFC地图。我们调查了1950年代到2010年代NFC的时空格局,发现它在时空上都是高度动态的。我们的数据表明,NFC较低的网格单元更容易受到NFC下降的影响,这表明有关天然林的保护措施应重点关注NFC较低和生态价值较高的地区。我们还确定了NFC变化的热点,从而提供了有关天然林随时间动态变化的见解。

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