Size dependent associations between tree diameter growth rates and functional traits in an Asian tropical seasonal rainforest | |
Yan, Yu-Mei; Fan, Ze-Xin; Fu, Pei-Li; Chen, Hui; Lin, Lu-Xiang | |
刊名 | FUNCTIONAL PLANT BIOLOGY |
2021 | |
卷号 | 48期号:2页码:231-240 |
关键词 | HYDRAULIC CONDUCTIVITY PHOTOSYNTHETIC RATE DEMOGRAPHIC RATES GOOD PREDICTORS WOOD DENSITY LEAF TRAITS PLANT LIGHT MORTALITY EVOLUTION |
ISSN号 | 1445-4408 |
DOI | 10.1071/FP20226 |
英文摘要 | Many studies focus on the relationships between plant functional traits and tree growth performances. However, little is known about the ontogenetic shifts of the relationships between functional traits and tree growth. This study examined associations between stem and leaf functional traits and growth rates and their ontogenetic shifts across 20 tropical tree species in a tropical seasonal rainforest in Xishuangbanna, south-west China. For each species, physiological active branches of individual trees belonged to three size classes (i.e. small, diameter at breast height (DBH) 5-10 cm; middle, DBH 10-20 cm; big, DBH >20 cm) were sampled respectively. We measured 18 morphological and structural traits, which characterised plant hydraulic properties or leaf economic spectrum. Associations between diameter growth rates and functional traits were analysed across three size classes. Our results revealed that diameter growth rates of big-sized trees were mainly related to traits related to plant hydraulic efficiency (i.e. theoretical hydraulic conductivity (K-theo) and leaf vein density (D-vein)), which suggests that the growth of large trees is limited mainly by their xylem water transport capacity. For middle-sized trees, growth rates were significantly related to traits representing leaf economic spectrum (i.e. specific leaf area (SLA), individual leaf mass (ILM), palisade thickness (PT) and spongy thickness (SP)). Diameter growth rates of small-sized trees were not correlated with hydraulic or leaf economic traits. Thus, the associations between tree growth rates and functional traits are size dependent. Our results suggest ontogenetic shift of functional traits which could potential contribute to different growth response to climate change. |
学科主题 | Plant Sciences |
语种 | 英语 |
WOS记录号 | WOS:000584826100001 |
内容类型 | 期刊论文 |
源URL | [http://ir.xtbg.org.cn/handle/353005/11957] |
专题 | 西双版纳热带植物园_2012年后新成立研究组 |
作者单位 | 1.Chinese Acad Sci, Xishuangbanna Stn Trop Rain Forest Ecosyst Studie, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China 2.Chen, Hui 3.Fu, Pei-Li 4.Fan, Ze-Xin 5.[Yan, Yu-Mei 6.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, CAS Key Lab Trop Forest Ecol, Mengla 666303, Yunnan, Peoples R China 7.[Fan, Ze-Xin 8.Chinese Acad Sci, Ctr Plant Ecol, Core Bot Gardens, Xishuangbanna 666303, Peoples R China 9.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 10.[Chen, Hui |
推荐引用方式 GB/T 7714 | Yan, Yu-Mei,Fan, Ze-Xin,Fu, Pei-Li,et al. Size dependent associations between tree diameter growth rates and functional traits in an Asian tropical seasonal rainforest[J]. FUNCTIONAL PLANT BIOLOGY,2021,48(2):231-240. |
APA | Yan, Yu-Mei,Fan, Ze-Xin,Fu, Pei-Li,Chen, Hui,&Lin, Lu-Xiang.(2021).Size dependent associations between tree diameter growth rates and functional traits in an Asian tropical seasonal rainforest.FUNCTIONAL PLANT BIOLOGY,48(2),231-240. |
MLA | Yan, Yu-Mei,et al."Size dependent associations between tree diameter growth rates and functional traits in an Asian tropical seasonal rainforest".FUNCTIONAL PLANT BIOLOGY 48.2(2021):231-240. |
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