摘要
根据2007-2008年崇阳溪7个采样站位鱼类资源的调查资料,分析了崇阳溪鱼类种类组成、优势种、生态类型以及鱼类多样性等特点。调查共采集鱼类73种,隶属5目、17科、65属;其中福建省保护动物鳗尾鱼央(Liobagrus anguillicauda)1种,福建省特有种闽江扁尾薄鳅(Leptobotia tientaiensis compressicauda Nichols)、纵纹原缨口鳅(Crossostoma stigmata)、裸腹原缨口鳅(Vanmaneniagymnetrus Chen)、花尾缨口鳅(Crossostomaf ascicauda Nkhols)和拟腹吸鳅(Pseudogastromyzon fasciatus)等5种。采用Pinkas的IRI指数进行分析,崇阳溪鱼类优势种有半刺厚唇鱼(Acrossocheilushemispinus)、圆吻鲴(Distoechodon tumirostris Peters)、宽鳍(Zacco platypus)、黄颡鱼(Pelteobagrus fulvidraco)、大眼华鳊(Sinibrama macrops)等5种。崇阳溪鱼类生态类型以杂食性、中下层和适应急流生活的鱼类为主。鱼类多样性指数S7站位较高,群落结构较为稳定,这可能与其底质结构复杂、径流量较大有关。
Based on the data collected in 7 sampling stations of Chongyang River in 2007-2008,fish species,dominant species,normal species,fish ecological types and fish biodiversity in Chongyang River were analyzed.Fishes of 5 orders,17 families,65 genera and 73 species were collected in Chongyang River.Liobagrus anguillicauda is protected fish of Fujian Province and Leptobotia tientaiensis compressicauda Nichols,Crossostoma stigmata,Vanmanenia gymnetrus Chen,Crossostoma fascicauda Nkhols,Pseudogastromyzon fasciatus are endemic species in Fujian Province.Fish community through IRI indexes were anaylazed,Acrossocheilus hemispinus,Distoechodon tumirostris Peters,Zacco platypus,Pelteobagrusfulvidraco,Sinibramamacrops were the dominant species.The ecological types of the fish consisted of mid-down fishes、omnivorous fish and adapting to lotic fishes mainly.Three diversity indexes which are Shannon-Wiener diversity index（H′）,Margalef diversity index（D）,Evenness index（E） are used to analyze the characteristics of species diversity.Shannon-Wiener diversity index in Station 7 is much higher than others in Chongyangxi River of Mingjiang watershed and then fish community structure is more stabilized than others in ralation to complicated riverbed geology and huge runoff possibly.
出处
《上海海洋大学学报》
CAS
CSCD
北大核心
2012年第6期1017-1024,共8页
Journal of Shanghai Ocean University
基金
福建省海洋与渔业厅重点项目[(2007)02-2]
福建省科技厅公益类专项(2011R1002-2)
关键词
闽江
崇阳溪
鱼类多样性
Mingjiang River
Chongyang River
fish diversity
