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当前位置: 首页 > 文章 > 刺参养殖池塘水体微生物群落功能多样性的季节变化 应用生态学报 2014,25 (5) 1499-1505
Position: Home > Articles > Seasonal variation of functional diversity of aquatic microbial community in Apostichopus japonicus cultural pond Chinese Journal of Applied Ecology 2014,25 (5) 1499-1505

刺参养殖池塘水体微生物群落功能多样性的季节变化

作  者：
闫法军;田相利;董双林;阳钢
单  位：
中国海洋大学海水养殖教育部重点实验室
关键词：
微生物群落;功能多样性;季节变化;Biolog;冗余分析;环境因子;刺参池塘
摘  要：
利用Biolog技术和冗余分析(RDA)方法对刺参养殖池塘水体微生物群落功能多样性的季节变化及其与环境因子间的关系进行研究.结果表明:刺参池塘水体微生物对碳源总量和单类碳源的利用均具有显著的季节变化,总体表现为夏季最高、冬季最低,其利用比例较高的碳源类型为聚合物.主成分分析表明,刺参池塘水体微生物群落碳代谢方式具有显著的季节变化,其中,与主成分1显著相关的碳源主要有10种,分别属于聚合物、糖类、羧酸、氨基酸和胺.刺参池塘水体微生物碳代谢多样性指数Shannon、McIntosh、Simpson和S-E均匀度均存在显著的季节变化,但不同指数之间的变化有较大差异.RDA分析表明,TP、NO3--N、TN和PO43--P是影响刺参池塘水体微生物群落功能多样性季节变化的主要因素.
译  名：
Seasonal variation of functional diversity of aquatic microbial community in Apostichopus japonicus cultural pond
作  者：
YAN Fa-jun;TIAN Xiang-li;DONG Shuang-lin;YANG Gang;Ministry of Education Key Laboratory of Mariculture, Ocean University of China;Fresh Water Fishery Research Institute of Shandong Province;
关键词：
microbial communities;;functional diversity;;seasonal variation;;Biolog;;redundancy analysis(RDA);;environmental factors;;sea cucumber cultural ponds
摘  要：
The functional diversity of aquatic microbial communities in sea cucumber( Apostichopus japonicus) cultural ponds was examined in this paper. The Biolog plate technique and redundancy analysis( RDA) method were used to evaluate seasonal changes and their relationships with environmental factors. The results showed that both total amount and types of carbon sources utilized by microbes in the sea cucumber cultural ponds varied seasonally,and were the highest in summer and lowest in winter,with polymers being the main type of carbon sources. Principal component analysis revealed that the carbon utilization diversity of the microbial communities varied significantly over the seasonal courses. A total of 10 categories of carbon sources were significantly related to the principal component 1,among which were polymers,carbohydrates,carboxylic acids,amino acids, and amines. Significant seasonal changes were detected for all carbon utilization diversity indices of the microbial communities,including Shannon,McIntosh,Simpson,and S-E. However,seasonal variations were different among the microbial diversity indices. RDA analysis revealed that TP, NO3--N,TN,and PO4 3--P were the critical environmental factors influencing the seasonal changes in functional diversity of aquatic microbial community in sea cucumber cultural ponds.

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