Growth and food sources of Pacific oyster Crassostrea gigas integrated culture with Sea bass Lateolabrax japonicus in Ailian Bay, China
文献类型: 外文期刊
作者: Jiang, Zengjie 1 ; Wang, Guanghua 2 ; Fang, Jianguang 1 ; Mao, Yuze 1 ;
作者机构: 1.Chinese Acad Fishery Sci, Key Lab Sustainable Dev Marine Fisheries, Minist Agr, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
2.Qingdao Agr Univ, Coll Anim Sci & Technol, Qingdao 266109, Peoples R China
关键词: Crassostrea gigas;Lateolabrax japonicus;Integrated culture;δ13C;δ15N
期刊名称:AQUACULTURE INTERNATIONAL ( 影响因子:2.235; 五年影响因子:2.616 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Shell length and tissue growth of Pacific oyster Crassostrea gigas integrated culture with Sea bass Lateolabrax japonicus were monitored during April-October 2010 in Ailian Bay, China. And also, the food sources of the oyster were analyzed and quantified by stable carbon and nitrogen isotope methods. Results showed that the increment of shell length and flesh dry weight of oyster cultured at cage area were greater than that at control area significantly (P < 0.05). Enrichment of delta C-13 and delta N-15 in oyster tissue at the cage area relative to the control area was significant (P < 0.05). Based on the simple linear mixing model, the contribution rate of the fish feces and waste fish feed to oyster was 29.27 and 5.59 %, respectively. This work demonstrates that the differences in growth performance of oyster between cage area and control area were resulted from the utilization of organic matter derived from fish aquaculture. Integrated filter-feeding bivalves culture with marine fish can reduce the environmental impact of organic waste from fish-farming activities.
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