河南农业大学学报2017，Vol.51Issue(2)：230-236,7.
宝天曼自然保护区树附生苔藓空间格局分析
Spatial pattern analysis for epiphytic bryophytes in Baotianman Nature Reserve
摘要
Abstract
In this study,we analysed the spatial pattern of 11 epiphytic bryophytes species by using univariate of g (r) function,along with homogeneous Poisson model,heterogeneous Poisson model,homogeneous Thomas model and heterogeneous Thomas model,in the 100 m × 100 m plot area of Baotianman Nature Reserve.The results showed that:1) 6 out of 11 species showed aggregation distribution in the homogeneous Poisson model,and the aggregation decreased under the homogeneous Thomas model.But all of them were randomly distributed in the heterogeneous Poisson model;2) Compared with the distribution under the homogeneous Poisson model,4 species' aggregation distribution turned into random distribution on the large scale of the heterogeneous Poisson model;And 2 species' aggregation distribution developed into random distribution on a small scale of homogeneous Thomas model.The research suggests that:1) Both habitat heterogeneity and dispersal limitation have effects on the spatial distribution pattern of epiphytic bryophytes,and the habitat heterogeneity plays a major role;2) Habitat heterogeneity can affect the spatial distribution of epiphytic bryophytes on a small scale,and dispersal limitation can also work on a large scale.关键词
树附生苔藓/空间格局/零模型/生境异质性/扩散限制Key words
epiphytic bryophytes/spatial pattern/null model/habitat heterogeneity/dispersal limitation分类
农业科技引用本文复制引用
许宁,韦博良,胡金涛,贾宏汝,叶永忠,袁志良..宝天曼自然保护区树附生苔藓空间格局分析[J].河南农业大学学报,2017,51(2):230-236,7.基金项目
河南省科技攻关项目(132102110133) （132102110133）
河南省教育厅科学技术研究重点项目(14A180013) （14A180013）
