漓江中游近岸水域仔稚鱼物种组成及其与生境的关系

doi:10.7523/j.issn.2095-6134.2015.06.007

中国科学院大学学报 ›› 2015, Vol. 32 ›› Issue (6): 769-774.DOI: 10.7523/j.issn.2095-6134.2015.06.007

漓江中游近岸水域仔稚鱼物种组成及其与生境的关系

封文利¹, 吴志强^1,2, 黄亮亮¹, 朱召军¹

1. 桂林理工大学环境科学与工程学院, 广西桂林 541004;
2. 广西大学, 南宁 530004

收稿日期:2014-10-13 修回日期:2015-05-11 发布日期:2015-11-15
通讯作者: 吴志强
基金资助:
国家自然科学基金(51379038)、广西科学研究与技术开发计划项目(桂科攻1355007-14)、广西教育厅高校科学研究项目(YB2014151)和广西自然科学基金(2014GXNSFBA118072)资助

Species composition and habitats of larval and juvenile fish in the shoreline waters of the middle reaches of Lijiang river

FENG Wenli¹, WU Zhiqiang^1,2, HUANG Liangliang¹, ZHU Zhaojun¹

1. College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, Guangxi, China;
2. Guangxi University, Nanning 530004, China

Received:2014-10-13 Revised:2015-05-11 Published:2015-11-15

摘要/Abstract

摘要：

2014年5月、6月和7月对漓江中游近岸水域4种不同生境组合(A-复合河岸+卵石底质+有水生植物、B-天然河岸+沙底质+有水生植物、C-人工护岸+卵石底质+有水生植物、D-人工护岸+卵石底质+无水生植物)的仔稚鱼聚群进行了调查,共采集仔稚鱼样本5 416尾,经鉴定为11种,隶属于3目5科10属.4种生境间的β多样性Cody指数测度矩显示,生境A、B与生境D物种组成差异较大,生境A与生境B差异最小.对4种生境仔稚鱼物种丰富度与丰度进一步做单因素方差分析(one-way ANOVA)和LSD多重比较,结果表明:有水生植物的生境仔稚鱼物种丰富度明显高于无水生植物的生境(P<0.05),有水生植物的天然河岸生境中仔稚鱼丰度大于无水生植物的人工护岸生境仔稚鱼丰度(P<0.05),而底质类型对仔稚鱼丰富度和丰度影响不显著(P>0.05).

关键词: 仔稚鱼, 丰富度, 丰度, 生境类型

Abstract:

Larval and juvenile fish samples were collected from shoreline and shallow waters of the middle reaches of Lijiang River in May, June, and July of 2014. Four habitat types (A: compound bank with grait and aquatic plants, B: natural bank with sand and aquatic plants, C: constructed bank with grait and aquatic plants, and D: constructed bank and graits without aquatic plants) were investigated. We collected a total of 5416 individuals of 11 species, belonging to 3 genera, 5 families, and 10 orders. β-Cody diversity index measurement matrix demonstrated that types A and B and type D are significantly different in species richness level. One-way ANOVA and LSD analysis showed that the species richness and abundance of larval and juvenile fish were significantly higher in types A and B than type D, and were similar in types A and B. Aquatic vegetation had a significant impact on species richness and bank type combined with aquatic plant had a significant impact on larval and juvenile fish abundance. However, sediment had no significant impact on abundance. In a word, restoration of riparian and aquatic vegetation is crucial to the maintenance of species richness and abundance of larval and juvenile fish.

Key words: larval and juvenile fish, species richness, abundance, habitat type

中图分类号:

X826

封文利, 吴志强, 黄亮亮, 朱召军. 漓江中游近岸水域仔稚鱼物种组成及其与生境的关系[J]. 中国科学院大学学报, 2015, 32(6): 769-774.

FENG Wenli, WU Zhiqiang, HUANG Liangliang, ZHU Zhaojun. Species composition and habitats of larval and juvenile fish in the shoreline waters of the middle reaches of Lijiang river[J]. , 2015, 32(6): 769-774.

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漓江中游近岸水域仔稚鱼物种组成及其与生境的关系

Species composition and habitats of larval and juvenile fish in the shoreline waters of the middle reaches of Lijiang river

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