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N and P budgets of Haliotis discus hanai, Apostichopus japonicas, and Sebastes schlegeli in a polyculture system
Gao, Xiaolong1,2; Ke, Caihuan1; Zhang, Mo2; Li, Xian2; Wu, Fucun2; Liu, Ying3
2019-09-01
Source PublicationAQUACULTURE RESEARCH
ISSN1355-557X
Volume50Issue:9Pages:2398-2409
Corresponding AuthorLi, Xian(lixian@qdio.ac.cn) ; Liu, Ying(yingliu@dlou.edu.cn)
AbstractThe viability of placing abalones (Haliotis discus hannai), sea cucumbers (Apostichopus japonicas) and rockfish (Sebastes schlegeli) in a polyculture system, the effect of this mixed species group on the system's nitrogen (N) and phosphorous (P) budgets, and the growth and food intake of the organisms in the system were examined using a recirculating aquaculture system. Four replicates were set up for each of three treatment groups (abalone only (C), abalone-sea cucumber (AS) and abalone-sea cucumber-rockfish (ASF)) with an experimental period of 60 d. Compared with the C group, in the AS group the abalone survival rate and specific growth rate (SGR) of body weight increased and the harvested abalones from the polyculture system became the main source of N and P output of the polyculture system. However, the N and P output in the water layer did not differ significantly from that in the C group (p > 0.05), and the N utilization rate was significantly higher than that in the C and ASF groups (p < 0.05). Compared with the AS group, in the ASF treatment the SGR of body weight as well as the protease and amylase activities of sea cucumbers were significantly higher (p < 0.05), the water layer and faeces became the main sources of N and P output in the system. These results showed that the AS polyculture mode significantly improved the N and P utilization rates in the system and led to increased aquaculture production.
KeywordApostichopus japonicas digestive enzyme activity Haliotis discus hannai nitrogen and phosphorus budget polyculture Sebastes schlegeli
DOI10.1111/are.14193
Indexed BySCI
Language英语
WOS Research AreaFisheries
WOS SubjectFisheries
WOS IDWOS:000479275500011
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/162343
Collection实验海洋生物学重点实验室
Corresponding AuthorLi, Xian; Liu, Ying
Affiliation1.Xiamen Univ, Coll Ocean & Earth Sci, State Key Lab Marine Environm Sci, Xiamen, Fujian, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Shandong, Peoples R China
3.Dalian Ocean Univ, Dalian, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Gao, Xiaolong,Ke, Caihuan,Zhang, Mo,et al. N and P budgets of Haliotis discus hanai, Apostichopus japonicas, and Sebastes schlegeli in a polyculture system[J]. AQUACULTURE RESEARCH,2019,50(9):2398-2409.
APA Gao, Xiaolong,Ke, Caihuan,Zhang, Mo,Li, Xian,Wu, Fucun,&Liu, Ying.(2019).N and P budgets of Haliotis discus hanai, Apostichopus japonicas, and Sebastes schlegeli in a polyculture system.AQUACULTURE RESEARCH,50(9),2398-2409.
MLA Gao, Xiaolong,et al."N and P budgets of Haliotis discus hanai, Apostichopus japonicas, and Sebastes schlegeli in a polyculture system".AQUACULTURE RESEARCH 50.9(2019):2398-2409.
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