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Growth and nutrient uptake of Gracilaria lemaneiformis under different nutrient conditions with implications for ecosystem services: A case study in the laboratory and in an enclosed mariculture area in the East China Sea
Duan, Yuanliang; Yang, Na; Hu, Ming; Wei, Zhangliang1; Bi, Hongsheng2; Huo, Yuanzi2; He, Peimin
2019
Source PublicationAQUATIC BOTANY
ISSN0304-3770
Volume153Pages:73
AbstractThe growth and nutrient uptake of Gracilaria lemaneiformis under different nutrient conditions, with implications for ecosystem services, were evaluated in the laboratory and in an enclosed mariculture sea area in Yantian Bay at the coast of East China Sea. In laboratory experiments, the specific growth rate (SGR) ranged 1.29%/d-7.99%/d, and nitrogen (N), phosphorus (P), and dissolved inorganic carbon (C) uptake rate was 0.067-1.603 mu mol/(g.h), 0.002-0.069 mu mol/(g.h), and 4.01-31.25 mu mol/(g.h), respectively, under different nutrient conditions. In field experiments, the SGR ranged from 6.30%/d to 13.00%/d, and the average C sequestration rate was 9.25 mg/(g DW.h) and 6.68 mg/(g DW.h) in the G. lemaneiformis cultivation area (region 1) and fish cage area (region 4), respectively. The NH4+-N uptake rate of G. lemaneiformis was the highest in region 1 and region 4 with 56.98 +/- 4.81 mu g/(g DW.h) and 38.68 +/- 7.12 mu g/(g DW.h), respectively. The maximum removal efficiency of NH4+-N, NO3--N, NO2-N, and PO43--P were 45.99-59.79%, 13.10-30.21%, 12.88-14.11%, and 27.07-31.49% in G. lemaneiformis cultivated areas compared with those in fish cage area. The extrapolated results showed that 1192.03 tonnes of C, 128.10 tonnes of N and 15.89 tonnes of P would be simultaneously sequestered from the seawater through G. lemaneiformis cultivation in Yantian Bay. Results indicated that G. lemaneiformis had high growth rates and nutrient removal efficiencies under different nutrient conditions, which made it a good candidate for seaweed/animals integrated multi-trophic aquaculture in nutrient bioextraction and economic diversification.
DepartmentLMB
KeywordGracilaria Mariculture Nutrient bioextration Integrated multi-trophic aquaculture Ecosystem service
DOI10.1016/j.aquabot.2018.11.012
Citation statistics
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17911
Collection中科院海洋生物资源可持续利用重点实验室
Affiliation1.Shanghai Ocean Univ, Coll Marine Ecol & Environm, Shanghai 201306, Peoples R China
2.Chinese Acad Sci, Key Lab Trop Marine Bioresources & Ecol, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
3.Univ Maryland, Chesapeake Biol Lab, Ctr Environm Sci, 146 Williams St, Solomons, MD 20688 USA
Recommended Citation
GB/T 7714
Duan, Yuanliang,Yang, Na,Hu, Ming,et al. Growth and nutrient uptake of Gracilaria lemaneiformis under different nutrient conditions with implications for ecosystem services: A case study in the laboratory and in an enclosed mariculture area in the East China Sea[J]. AQUATIC BOTANY,2019,153:73, 80.
APA Duan, Yuanliang.,Yang, Na.,Hu, Ming.,Wei, Zhangliang.,Bi, Hongsheng.,...&He, Peimin.(2019).Growth and nutrient uptake of Gracilaria lemaneiformis under different nutrient conditions with implications for ecosystem services: A case study in the laboratory and in an enclosed mariculture area in the East China Sea.AQUATIC BOTANY,153,73.
MLA Duan, Yuanliang,et al."Growth and nutrient uptake of Gracilaria lemaneiformis under different nutrient conditions with implications for ecosystem services: A case study in the laboratory and in an enclosed mariculture area in the East China Sea".AQUATIC BOTANY 153(2019):73.
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