|本期目录/Table of Contents|

[1]常瑜,郭玉清.福建洛阳江口红树林小型底栖动物的研究[J].集美大学学报(自然科学版),2014,19(1):7-12.
　CHANG Yu,GUO Yu-qing.Study on Meiofauna Abundance and Nematode Diversity in Mangrove of Luoyang River,Fujian Province[J].Journal of Jimei University,2014,19(1):7-12.
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福建洛阳江口红树林小型底栖动物的研究()
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《集美大学学报（自然科学版）》[ISSN:1007-7405/CN:35-1186/N]

卷:
第19卷
期数:
2014年第1期
页码:
7-12
栏目:
水产、食品与生物工程
出版日期:
2014-01-25

文章信息/Info

Title:
Study on Meiofauna Abundance and Nematode Diversity in Mangrove of Luoyang River,Fujian Province
作者:
常瑜1; 2; 郭玉清1; 2
1.集美大学水产学院，福建 厦门 361021；2.福建省海洋渔业资源与生态环境重点实验室，福建 厦门 361021
Author(s):
CHANG Yu1; 2; GUO Yu-qing1; 2
1.Fisheries College,Jimei University,Xiamen 361021,China;2.Key Laboratory of Fishery Resources and Ecological Environment,Fujian Province,Xiamen 361021,China
关键词:
红树林; 洛阳江; 小型底栖动物; 线虫
Keywords:
mangrove; Luoyang River; meiofauna; nematode
分类号:
-
DOI:
-
文献标志码:
A
摘要:
2012年10月和2013年1月、4月，在福建洛阳江口红树林自然保护区的桐花树（Aegiceras corniculatum）树林中，设采样站位3个，研究该红树林中小型底栖动物的数量分布和类群组成．结果表明：3个站位共发现小型底栖动物类群11个，其中自由生活海洋线虫是最优势的类群，占总丰度的92.94%，底栖桡足类居第二位，占总丰度的5.24%.在不同季节，线虫均占据绝对优势，桡足类其次．线虫在春季丰度最高，为（90.5±15.5)ind/cm2，而秋季最低，为(20.9±6.4)ind/cm2．小型底栖动物的丰度存在明显的季节差异．在不同站位，小型底栖动物的丰度在(97.4±28.3)~(38.9±24.3)ind/cm2之间，各站点间的丰度不存在显著差异．共鉴定线虫419条，分属于27属13科，其中有9个属是不同站位所共有的．按优势度从高到低排序，前五名依次是Sabatieria、Parasphaerolaimus、Adoncholaimus、Parodontophora、Terschellingia和Viscosia（并排第五）．摄食类型为非选择性沉积食性者的数量占绝对优势，说明泉州洛阳江红树林核心区的自由生活海洋线虫主要以腐烂的有机碎屑为食．
Abstract:
During October of 2012 and January and April of 2013,an investigation was conducted concerning the meiofauna inhabiting a mangrove of Aegiceras corniculatum located on the Luoyang River.Three sites were sampled to study meiofaunal abundance and groupings.The results showed：Eleven meiofaunal groups were observed inhabiting the investigated area.Freeliving marine nematodes were the most dominant group,and accounted for 92.94% of the total abundance.Copepods were the second largest group,forming 5.24%.In different seasons,the most abundant group,consisted of nematodes,copepods made up the second largest group.The greatest density of nematodes was （90.5±15.5）ind/cm2 during spring,the minimum density was （20.9±6.4）ind/cm2 in autumn. The seasonal fluctuation in meiofauna abundance was evident.Meiofauna densities within all sampling areas ranged from （97.4±28.3） to （38.9± 24.3） ind/cm2.There was no significant difference among stations.419 nematodes were identified,belonging to 27 genera and 13 families. Nine genera were common among sampling sites.The most common genera were Sabatieria,Parasphaerolaimus,Adoncholaimus, Parodontophora,Terschellingia and Viscosia,in turn.Non-selective deposit feeder was the dominant trophic type;it may be concluded that the nematodes feed on organic debris in the core region of the Luoyang River Mangrove.

参考文献/References:

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2014-12-01