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城市夹缝植物多样性分析与应用建议———以合肥市和广州市为例
巩怡文1,2, 谢威1,3, 郭镜赟1, 魏龙2, 魏丹2, 聂斯思1,2, 王靖娴1,2, 殷祚云1
1.仲恺农业工程学院;2.广东省林业科学研究院/广东省森林培育与保护利用重点实验室;3.台山市红岭种子园
摘要:
城市荒野作为城市生态系统中最为自然的一部分, 其形式多样、 生境类型繁多, 夹缝便是其中 的一个微型生境种类。 为更好地挖掘城市荒野的潜能、 实现生态文明建设, 研究以安徽省合肥市和广东省 广州市的夹缝植物为例, 通过对两地夹缝植物的秩多度曲线陡度、 多样性、 均匀性和相似度系数进行计 算, 得出结论: (1) 合肥市和广州市夹缝植物的种-科、 种-属和属-科的秩多度曲线均呈反 J 型, 均符合 倒数模型; (2) 合肥市夹缝植物的科、 属、 种之间分布不均匀, 且与广州市夹缝植物的科、 属、 种之间 分布的均匀性相差较大; (3) 两地夹缝植物的科类相似, 但属和种的相似度较低, 且物种差异性较大。
关键词:  夹缝植物  城市荒野  森林城市
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基金项目:广东省林业科技创新项目 (2023KYXM09, 2022KYXM09, 2021KYXM09); 广东省林学会科技计划项目: 广东省自然教 育基地标识系统设计策略研究 (2022-GDFS-KJ-01)
Diversity Analysis and Application Suggestions of Urban Crevice Plants ———Taking Hefei and Guangzhou As Examples
Gong Yiwen1,2, Xie Wei1,3, Guo Jingyun1, Wei Long2, Wei Dan2, Nie Sisi1,2, Wang Jingxian1,2, Yin Zuoyun1
1.Zhongkai University of Agriculture and Engineering;2.Guangdong Academy of Forestry/Guangdong Provincial Key Laboratory of Forest Pest Control;3.Taishan Hongling Seed Garden,
Abstract:
Urban wilderness, the most natural part of urban ecosystems, is characterized by diverse forms and habitat types, in which crevice is one of the microhabitat types. In order to better explore the potential of urban wilderness and realize the construction of ecological civilization, the steepness, diversity, homogeneity, and similarity coefficients of the rank multiplicity curves of crevice plants in Hefei city, Anhui province and Guangzhou city, Guangdong province were detected in this study. The results suggested that: (1) the rankmultiplicity curves of the crevice plants in Hefei city and Guangzhou city were both displayed as inverse J-type, and conformed to the inverse model; (2) the distribution of families, genera and species of crevice plants in Hefei city was not uniform, which was different from that of Guangzhou city; (3) the crevice plants in the two cities demonstrated relatively high similarity in the families, but low similarity in genera and species.
Key words:  crevice plants  urban wilderness  forest city