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Liana community and functional trait analysis in tropical dry evergreen forest of India

Journal of Plant Ecology 2015年第5期8卷 501-512页

作者： pandi vivek Narayanaswamy Parthasarathy Department of Ecology and Environmental Sciences Pondicherry UniversityPuducherry 605014India

Aim lianas are abundant and diverse throughout the world and consti-tute an important structural and functional component of tropical *** study aims to investigate liana diversity,abundance and their functional traits in Indian tropical dry evergreen forest(TDEF).Methods a total of ten 1-ha plots,one each in 10 Indian TDEF sites were *** 1-ha plot was divided into one-hundred 10-×10-m quadrats to facilitate woody species *** lianas≥1 cm diameter measured at 130 cm from the rooting point and all trees≥10-cm girth at breast height(gbh)were recorded from the study sites to analyze the patterns of liana diversity and abundance and also to compare the contribution of lianas to the total woody species richness,density and basal *** variables across the study sites were compared using one-way analysis of *** qualitative functional traits of inventoried lianas and trees were assessed on the field and referring to pertinent field *** Findingsa total of 9237 liana individuals(ranged from 408-1658 individu-als ha^(−1))representing 52 species,45 genera and 28 families were encountered from the 10 study *** species richness ranged from 11-31 species ha^(−1) in 10 sites,which averaged 23.4(±5.7)species ha^(−1).The total basal area of lianas in the study sites was 7.3 m^(2)(0.20-1.76 m^(2) ha^(−1)).There was a significant variation in liana species richness,density and basal area across the studied *** the whole,lianas contributed 52%,49.3%and 4.1%to the total woody species(lianas and trees)richness,density and basal area,*** trait analysis revealed the majority(50%)of lianas belonged to brevi-deciduous *** twining was the chief climbing mechanism,exhibited by 21 species(52.6%of total abundance).more than half of the liana species(34 species;6925 individuals)had microphyllous ***-fruited lianas mostly bearing berries and drupes constituted the major fruit type in the studied si

关键词： climbing mechanism dispersal mode functional traits liana diversity tropical dry evergreen forest

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