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Mapping the climatic suitable habitat of oriental arborvitae (Platycladus orientalis) for introduction and cultivation at a global scale

机译:绘制适合侧柏的气候适宜生境的地图以便在全球范围内引入和种植

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摘要

Oriental arborvitae (Platycladus orientalis) is an important afforestation and ornamental tree species, which is native in eastern Asian. Therefore, a global suitable habitat map for oriental arborvitae is urgently needed for global promotion and cultivation. Here, the potential habitat and climatic requirements of oriental arborvitae at global scale were simulated using herbariums data and 13 thermal-moisture variables as input data for maximum entropy model (MaxEnt). The simulation performance of MaxEnt is evaluated by ten-fold cross-validation and a jackknife procedure. Results show that the potential habitat and climate envelop of oriental arborvitae can be successfully simulated by MaxEnt at global scale, with a mean test AUC value of 0.93 and mean training AUC value of 0.95. Thermal factors play more important roles than moisture factors in controlling the distribution boundary of oriental arborvitae’s potential ranges. There are about 50 countries suitable for introduction and cultivation of oriental arborvitae with an area of 2.0 × 107 km2, which occupied 13.8% of land area on the earth. This unique study will provide valuable information and insights needed to identify new regions with climatically suitable habitats for cultivation and introduction of oriental arborvitae around the world.
机译:侧柏(Platycladus Orientalis)是一种重要的绿化和观赏树种,原产于东亚。因此,迫切需要在全球范围内推广适合侧柏的全球生境图。在这里,使用植物标本室数据和13个热湿变量作为最大熵模型(MaxEnt)的输入数据,模拟了全球侧柏侧柏的潜在生境和气候需求。 MaxEnt的仿真性能通过十倍交叉验证和折刀程序进行评估。结果表明,MaxEnt可以在全球范围内成功模拟出侧柏的潜在生境和气候信封,平均测试AUC值为0.93,平均训练AUC值为0.95。在控制侧柏侧柏电位范围的分布边界方面,热因素比水分因素更重要。大约有50个国家适合引进和栽培东方侧柏,面积为2.0×10 7 km 2 ,占地球土地面积的13.8%。这项独特的研究将提供有价值的信息和见识,以识别具有气候适宜栖息地的新区域,以在世界范围内种植和引入东方侧柏。

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