应用生态学报2018，Vol.29Issue(2)：343-351,9.DOI:10.13287/j.1001-9332.201802.037
庙岛群岛典型植物群落物种、功能、结构多样性及其对环境因子的响应
Species, functional, structural diversity of typical plant communities and their responses to environmental factors in Miao Archipelago, China
摘要
Abstract
Island vegetation plays an important role in biodiversity research across the world.The study of plant diversity in island is helpful for understanding the mechanism of plant diversity maintenance under land-sea interaction.Here,four typical plant communities (Quercus acutissima community,Robinia pseudoacacia community,Pinus thunbergii community and Vitex negundo community) in Miao Archipelago were selected to examine the species,functional and structural diversities and their responses to environmental factors at the community scale by using species diversity indices,functional diversity indices,as well as structural diversity indices.The results showed that the species richness and Rao index of P.thunbergii community was higher than that of Q.acutissima community and R.pseudoacacia community,but the structural diversity was lower.The species diversity and structural diversity of V.Negundo shrub were lower than that of forest community,but the functional diversity was higher than some forest communities.The relationship between the diversity of typical plant communities in island area illustrated a significant positive correlation between species richness with Rao index and tree height diversity,however the correlation with functional evenness was significantly negative.The structural diversity and functional evenness were determined by slope with negative and positive relationships,respectively.Functional heterogeneity,functional divergence and species diversity were affected largely by soil physical and chemical properties,displaying the positive relationship with soil bulk density and soil total carbon content,and a negative relationship with soil water content.In conclusion,diversity pattern of plant community in Miao Archipelago reflected not only the characteristics in mainland vegetation but also the special nature of the sea island.关键词
庙岛群岛/植物群落/物种多样性/功能多样性/结构多样性/环境因子Key words
Miao Archipelago/plant community/species diversity/functional diversity/structural diversity/environmental factor.引用本文复制引用
郑丽婷,苏田,刘翔宇,尹芳,郭超,妥彬,阎恩荣..庙岛群岛典型植物群落物种、功能、结构多样性及其对环境因子的响应[J].应用生态学报,2018,29(2):343-351,9.基金项目
本文由国家自然科学基金项目(31670438,31770467)和国家海洋局海洋公益性行业科研专项(201505009)资助 This work was supported by the National Natural Science Foundations of China (31670438,31770467) and the Special Found for National Oceanic Administration in the Public Interest (201505009). （31670438,31770467）
