极小种群植物猪血木的种群现状及保护对策

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极小种群植物猪血木的种群现状及保护对策

魏雪莹¹, 叶育石¹, 林喜珀², 崔煜文¹, 曾飞燕¹, 王发国¹^,^*(

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Population status and conservation of an extremely small population species Euryodendron excelsum

WEI Xue-Ying¹, YE Yu-Shi¹, LIN Xi-Po², CUI Yu-Wen¹, ZENG Fei-Yan¹, WANG Fa-Guo¹^,^*(

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图5. 猪血木种群致死力和寿命期望曲线。
S_a-e_x, 八甲镇野生猪血木种群进入x年个体的寿命期望值; S_a-k_x, 八甲镇野生猪血木种群致死率; S_a-q_x, 八甲镇野生猪血木种群标准化死亡率; S_t-e_x, 野生猪血木种群(包括三甲镇和八甲镇)进入x年个体的寿命期望值; S_t-k_x, 野生猪血木种群(包括三甲镇和八甲镇)致死率; S_t-q_x, 野生猪血木种群(包括三甲镇和八甲镇)标准化死亡率。I-X同图3。

Fig. 5. Killing power and life expectancy curve of Euryodendron excelsum population.
S_a-e_x, life expectancy at age x of wild E. excelsum (only including Bajia Town); S_a-k_x, specific mortality of wild E. excelsum (only including Bajia Town); S_a-q_x, mortality rate of wild E. excelsum (only including Bajia Town); S_t-e_x, life expectancy at age x of wild E. excelsum (including Sanjia Town and Bajia Town); S_t-k_x, specific mortality of wild E. excelsum (including Sanjia Town and Bajia Town); S_t-q_x, mortality rate of wild E. excelsum (including Sanjia Town and Bajia Town). I-X see Fig. 3.