Interspecific competition and survival pressures in endangered Barringtonia racemosa populations of Mainland China
文献类型： 外文期刊
作者： Liang, Fang 1 ; Hu, Ju 1 ; Lin, Yutong 1 ; Li, Lin 1 ; Yu, Yanping 2 ; Liu, Bing 3 ; Meng, Zongxin 1 ; Xiang, Zaijing 1 ; Tan, Xiaohui 2 ;
作者机构： 1.Yulin Normal Univ, Coll Smart Agr, Yulin 537000, Peoples R China
2.Guangxi Acad Agr Sci, Guangxi Subtrop Crops Res Inst, Nanning 530001, Peoples R China
3.Guangxi Zhuang Autonomous Reg State Owned Liuwan F, Yulin 537000, Peoples R China
关键词： Barringtonia racemose; Growth patterns; Community dynamics; Survival pressure; Conservation strategies
期刊名称：SCIENTIFIC REPORTS （ 影响因子：3.9； 五年影响因子：4.3 ）
ISSN： 2045-2322
年卷期： 2024 年 14 卷 1 期
页码：
收录情况： SCI
摘要： This study evaluates the growth, survival pressures, and community dynamics of Barringtonia racemosa (L.) Spreng. populations in Jiulong Mountain and Suixi County, Guangdong Province. Six distinct plant communities were identified, with human disturbances significantly disrupting natural succession processes. The population in Jiulong Mountain, particularly within the Talipariti tiliaceum-B. racemosa community (JLS-T), experienced higher survival pressures compared to Suixi County. Interspecific competition varied, with species like Derris trifoliata, T. tiliaceum, and invasives such as Ipomoea cairica and Mikania micrantha exerting substantial pressure on B. racemosa. Analysis of 234 B. racemosa individuals revealed significant correlations between diameter at breast height (DBH), plant height, and age structure distribution, with a linear relationship between DBH and height underscoring their relevance in understanding wood volume, biomass, and stand structure. Survival pressures were inversely related to DBH, indicating reduced competition as trees matured. Growth patterns exhibited an age-dependent plateau in height, potentially influenced by environmental and anthropogenic factors. Management strategies should prioritize the growth of individuals with DBH less than 5 cm (age classes I similar to II). These findings underscore the need for targeted conservation efforts to protect B. racemosa communities and sustain wetland ecosystems.
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