文献类型：期刊文献

英文题名：Topography and life stage regulate species aboveground biomass distribution in combination in a tropical montane rainforest

作者：Wang, Jiaming[1,2,3] Xu, Han[1] Li, Yide[1] Li, Yanpeng[1]

第一作者：Wang, Jiaming

通信作者：Li, YP[1]

机构：[1]Chinese Acad Forestry, Res Inst Trop Forestry, Hainan Jianfengling Natl Key Field Res Stn Trop Fo, Guangzhou, Peoples R China;[2]Nanyang Normal Univ, Sch Water Resources & Environm Engn, Nanyang, Peoples R China;[3]East China Normal Univ, Sch Ecol & Environm Sci, Shanghai, Peoples R China

年份：2024

卷号：15

外文期刊名：FRONTIERS IN PLANT SCIENCE

收录：;Scopus(收录号：2-s2.0-85204011085);WOS:【SCI-EXPANDED(收录号:WOS:001321539700001)】；

基金：The author(s) declare financial support was received for the research, authorship, and/or publication of this article. This study was supported by the Fundamental Research Funds of Chinese Academy of Forestry (CAFYBB2022SY014), Guangdong Basic and Applied Basic Research Foundation (2024A1515011100) and the Pearl River Delta Forest Ecosystem Research Station (0144135).

语种：英文

外文关键词：topography; species aboveground biomass; life stages; topographic preferences; species-topography associations change

摘要：Understanding the correlation between topography, species biomass and species life stage would allow forest managers to better foster carbon storage in forests. Using census data from a 60-ha plot in south China, we first quantified aboveground biomass (AGB) and how much it varied among different topographies. Next, the specific contribution of 42 dominant species to total aboveground biomass was analyzed for each of the different topographies. We also explored whether these species-topography associations changed, in terms of species' AGB distribution, during each of the three life stages (sapling, juvenile, adult) for these 42 species. Our results showed that the average AGB was 368.79 Mg ha-1 and that it varied noticeably among the four topographies (Low valley, Slope, High valley and Ridge, which were classified by using fuzzy C-mean clustering based on elevation, convexity, and slope). AGB was significantly lower in the two valleys than in the two other topographies. Of the 42 species, 88.1% showed topographic preferences, and 78.6% appeared to exhibit topographic preferences that changed with life stage. Our work highlights the importance of topography and life stage in species biomass distribution and suggests that different combinations of species and life stages, based on species topographic preferences across life stages, may be better suited in different tropical rainforest topographies to maximize carbon storage overall.