福建农业学报2016，Vol.31Issue(6)：566-574,9.DOI:10.19303/j.issn.1008-0384.2016.06.003
汀江中上游鱼类多样性及其影响因子
Factors Affecting Diversity of Fish Species in Mid-and Upper-streams of Tingjiang River
摘要
Abstract
Correlations among the habitat conditions,diversity of fish species,and human activities were studied using the data collected from 6 locations on the mid-and upper-streams of Tingjiang River in February,May,July, and October from 2012 to 2013. The results showed that the 71 fishes caught belonged to 4 orders,15 families,and 54 genera.They included the provincial protected species,such as Mastacembelus armatus ,the endemic species, Pseudogastromyzon fasciatus ,Pseudogastromyzon cheni ,Crossostoma stigmata and Crossostoma fascicauda ,and the dominant species,Zacco platypus ,Pseudobagrus fulvidraco ,and Gnathopogon argentatus ,along with 12 commonly found species.Based onthe one-way ANOVA,the Shannon-Wiener indices on samples collected from the 6 locations varied significantly.The indices for fish caught at Xinqiao were higher than other localities,with significant seasonal variations.The canonical correspondence analysis (CCA)indicated that the determining factors on the composition and distribution of the fishes in the two sections of the river were water temperature and human activities,while the substrates on the river bed,changes of river channel,stability of bankment,vegetation,as well as the total nitrogen content and permanganate index of the water,also contributed significantly to the diversity and distribution.The human activities along the river not only altered the composition of fish,such as the reduction on the migrotory and endemically specialized species and the increase on the invasive and tolerant species,but also decreased the diversity in the mid-and upper-streams of the Tingjiang River.关键词
鱼类多样性/环境因子/典范对应分析/汀江中上游Key words
fish diversity/enviromental factor/CCA/mid-and upper-streams of Tingjiang River分类
农业科技引用本文复制引用
何美峰..汀江中上游鱼类多样性及其影响因子[J].福建农业学报,2016,31(6):566-574,9.基金项目
福建省科技计划项目---省属公益类科研院所基本科研专项（2011R1002-2）；福建省海洋与渔业厅重点项目［（2007）02-2］ （）
