Abstract
Eutrophication is becoming a serious problem in coastal waters in many parts of the world. It induces the phytoplankton blooms including ‘Red Tides’, followed by heavy economic losses to extensive aquaculture area. Some cultivated seaweeds have very high productivity and could absorb large quantities of N, P, CO2, produce large amount of O2 and have excellent effect on decreasing eutrophication. The author believes that seaweed cultivation in large scale should be a good solution to the eutrophication problem in coastal waters. To put this idea into practice, four conditions should be fulfilled: (a) Large-scale cultivation could be conducted within the region experiencing eutrophication. (b) Fundamental scientific and technological problems for cultivation should have been solved, (c) Cultivation should not impose any harmful ecological effects, (d) Cultivation must be economically feasible and profitable. In northern China, large-scale cultivation of Laminaria japonica Aresch. has been encouraged for years to balance the negative effects from scallop cultivation. Preliminary research in recent years has shown that Gracilaria lemaneiformis (Bory) Daws, and Porphyra haitanensis Chang et Zheng are the two best candidates for this purpose along the Chinese southeast to southern coast from Fujian to Guangdong, Guangxi and Hong Kong. Gracilaria tenuistipitata var. liui Chang et Xia is promising for use in pond culture condition with shrimps and fish.
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Fei, X. (2004). Solving the coastal eutrophication problem by large scale seaweed cultivation. In: Ang, P.O. (eds) Asian Pacific Phycology in the 21st Century: Prospects and Challenges. Developments in Hydrobiology, vol 173. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0944-7_19
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DOI: https://doi.org/10.1007/978-94-007-0944-7_19
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