北京师范大学学报（自然科学版）2017，Vol.53Issue(5)：548-553,6.DOI:10.16360/j.cnki.jbnuns.2017.05.008
土壤细菌和真菌群落的物种续存模式对扰动的响应
Species persistence patterns of soil bacteria and fungi after dilution disturbance
摘要
Abstract
Relationship of species persistence probability and local abundance was investigated to test whether dynamics of microbial community follows neutral hypothesis.Native soil was collected from the field,and soil microcosms were exposed to dilution disturbances to remove certain very rare species.Bacteria and fungi species compositions in the microcosms after incubation recovery were then compared with source soils,as assessed by 454 high-throughput pyrosequencing of bacterial 16S rRNA genes and fungi 18S rRNA genes,detecting species with an abundance of ≥ 1 in each community.Species diversity was found to decrease dramatically (by ＞50％);chances of persistence of soil bacteria and fungi species were positively correlated with initial abundance.These data are consistent with predictions by neutral hypothesis:i.e.,a positive abundance-persistence relationship.关键词
土壤细菌和真菌/稀释扰动/物种续存/中性假说Key words
soil bacteria and fungi/dilution disturbance/species persistence/neutral hypothesis分类
生物科学引用本文复制引用
张粉果,张全国..土壤细菌和真菌群落的物种续存模式对扰动的响应[J].北京师范大学学报（自然科学版）,2017,53(5):548-553,6.基金项目
山西师范大学博士科研启动基金资助项目(02070370) （02070370）
国家自然科学基金资助项目(31222010) （31222010）
北京师范大学生物多样性与生态工程教育部重点实验室开放课题资助项目 （）
