Healthier Communities of Phytoplankton and Bacteria Achieved via the Application of Modified Clay in Shrimp Aquaculture Ponds

被引:8
|
作者
Ding, Yu [1 ,2 ,3 ,4 ]
Song, Xiuxian [1 ,2 ,3 ,4 ]
Cao, Xihua [1 ,2 ,4 ]
He, Liyan [1 ,2 ,4 ]
Liu, Shanshan [1 ,2 ,3 ,4 ]
Yu, Zhiming [1 ,2 ,3 ,4 ]
机构
[1] Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
[2] Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
[3] Chinese Acad Sci, Beijing 100049, Peoples R China
[4] Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
关键词
phytoplankton; bacteria; community composition; community structure; modified clay; shrimp aquaculture water; HARMFUL ALGAL BLOOMS; BIODIVERSITY; FLOCCULATION; PERFORMANCE; RESISTANCE; MITIGATION; DIVERSITY; SEQUENCES; NUTRIENTS; SELECTION;
D O I
10.3390/ijerph182111569
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The composition and stability of microbial communities in aquaculture water are crucial for the healthy growth of shrimp and present considerable risk to aquatic ecosystems. The modified clay (MC) method has been proposed as an efficient and safe solution for the mitigation of harmful algal blooms (HABs). Currently, the effects of MC on microbial communities in aquaculture water remain unknown. Here, we adopted the MC method to regulate shrimp-culture water quality and evaluated the effects of MC on the composition and stability of phytoplankton together with bacteria communities through high-throughput sequencing. On the one hand, a prominent change in the composition of microbial community was observed, with green algae becoming the most abundant genera and pathogens being infrequent in the MC-treated pond, which was more conducive to the growth of shrimp than that in the control pond. Moreover, MC could increase the diversity and stability of the microbial community structure in the water column, which had a higher anti-interference ability, as demonstrated by the analysis of the diversity and molecular ecological network. Taken together, MC could reduce the possibility for the occurrence of HABs and maintain a stable microbial community, which is beneficial for the health and high yield of shrimp.
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页数:18
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