生态学杂志2026，Vol.45Issue(8)：2504-2514,11.DOI:10.13292/j.1000-4890.202608.008
骆马湖浮游动物群落构建机制的季节差异
Seasonal differences of assembly mechanism for zooplankton community in Luoma Lake
摘要
Abstract
The metacommunity model is an effective approach for characterizing the mechanisms in structuring zoo-plankton community,and a key method for analyzing the process of environmental filtering and spatial diffusion lim-iting of zooplankton community.To elucidate the processes underlying zooplankton community assembly and to explore seasonal variations in the driving mechanism,a survey across different seasons was conducted at 20 sampling sites in Luoma Lake.A total of 98 zooplankton species,belonging to 23 families and 54 genera,were recorded.The average zooplankton density was 99.5±14.2 ind·L-1,and the average biomass was 0.837±0.094 mg·L 1.Dominant species included Brachionus calycifllorus,Asplanchna priodonta,Microcyclops varicans,Mesocy-clops leuckarti,Ceriodaphnia quadrangular,and Bosmina longirostris.The structure and diversity of zooplankton communities showed significant seasonal variation(P＜0.01).Environmental filtering and dispersal limiting had dif-ferent effects on community structure of zooplankton across seasons.In spring,autumn,and winter,environmental filtering and spatial diffusion limiting jointly shaped the zooplankton community structure,driven primarily by dis-solved oxygen,phosphate,chemical oxygen demand and medium-scale spatial factors(PCNM2,PCNM3,PCNM5,PCNM7,and PCNM8).In summer,however,environmental filtering played a more dominant role,mainly associated with total nitrogen,nitrate,and medium-to-large scale spatial factors(PCNM3 and PCNM5).Overall,environmental filtering plays a leading role in zooplankton community assembly.关键词
群落构建/环境过滤筛选/空间扩散限制/季度差异Key words
community assembly/environmental filtering/dispersal limitation/seasonal difference引用本文复制引用
陈康,蒋万祥,武大勇,陈欣蕾,韩嘉敏,秦海明,陈静..骆马湖浮游动物群落构建机制的季节差异[J].生态学杂志,2026,45(8):2504-2514,11.基金项目
国家自然科学基金(51979241和32501418)、山东省自然科学基金(ZR2024QC329)和河北省湿地生态与保护重点实验室开放基金(hklk202202)资助. （51979241和32501418）
