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Importance of kelp-derived organic carbon to the scallop Chlamys farreri in an integrated multi-trophic aquaculture system
Xu Qiang1,2; Gao Fei3; Yang Hongsheng1,2
2016-03-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume34Issue:2Pages:322-329
SubtypeArticle
AbstractBivalves and seaweeds are important cleaners that are widely used in integrated multi-trophic aquaculture (IMTA) systems. A beneficial relationship between seaweed and bivalve in the seaweed-based IMTA system has been confirmed, but the trophic importance of seaweed-derived particulate organic materials to the co-cultured bivalve is still unclear. We evaluated the trophic importance of the kelp Saccharina japonica to the co-cultured scallop Chlamys farreri in a typical IMTA farm in Sungo Bay (Weihai, North China). The dynamics of detritus carbon in the water were monitored during the culturing period. The proportion of kelp-derived organic matter in the diet of the co-cultured scallop was assessed via the stable carbon isotope method. Results showed that the detritus carbon in the water ranged from 75.52 to 265.19 mu g/L, which was 25.6% to 73.8% of total particulate organic carbon (TPOC) during the study period. The amount of detritus carbon and its proportion in the TPOC changed throughout the culture cycle of the kelp. Stable carbon isotope analysis showed that the cultured scallop obtained 14.1% to 42.8% of its tissue carbon from the kelp, and that the percentages were closely correlated with the proportion of detritus carbon in the water (F =0.993, P= 0.003). Evaluation showed that for 17 000 tons (wet weight) of annual scallop production, the kelp contributed about 139.3 tons of carbon (535.8 tons of dry mass). This confirms that cultured kelp plays a similar trophic role in IMTA systems as it does in a natural kelp bed. It is a major contributor to the detritus pool and supplies a vital food source to filter-feeding scallops in the IMTA system, especially during winter and early spring when phytoplankton are scarce.
KeywordIntegrated Multi-trophic Aquaculture (Imta) Kelp Bivalve Detritus Food Source Stable Carbon Isotope
DOI10.1007/s00343-015-4332-2
Indexed BySCI
Language英语
WOS IDWOS:000371607000007
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/126192
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
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Xu Qiang,Gao Fei,Yang Hongsheng. Importance of kelp-derived organic carbon to the scallop Chlamys farreri in an integrated multi-trophic aquaculture system[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2016,34(2):322-329.
APA Xu Qiang,Gao Fei,&Yang Hongsheng.(2016).Importance of kelp-derived organic carbon to the scallop Chlamys farreri in an integrated multi-trophic aquaculture system.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,34(2),322-329.
MLA Xu Qiang,et al."Importance of kelp-derived organic carbon to the scallop Chlamys farreri in an integrated multi-trophic aquaculture system".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 34.2(2016):322-329.
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