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Title: Maintenance mechanism of Enteromorpha prolifera green tide: From perspective of nutrients utilization
Authors: Chai, Yanchao
Wang, Haiqing
Ge, Changzi
Keywords: Enteromorpha prolifera;Green tide;Nutrient enrichment;Nutrient shortage;Nutrient starvation
Issue Date: Feb-2020
Publisher: NISCAIR-CSIR, India
Abstract: Green tide caused by macroalgae is one of the global ocean ecological disasters and nutrients with high concentration are considered as materials base for the outbreak of green tide. Nevertheless, there is no continuous nutrients supply for macroalgae during their floating in sea areas. Thus, there must be special nutrients utilization strategy for the macroalgae to maintain growth and proliferation even if the nutrients in seawater can not supply enough nutrients for them. To verify the hypothesis, Enteromorpha prolifera responsible for green tide was exposed to nutrients with different concentrations. E. prolifera absorbed and stored excrescent nutrients when it encountered nutrient eutrophication, then released and reutilized those stored nutrients for growth and proliferation in the nutrient-shortage seawaters. Thus, the green tide can be maintained by the nutrients regulation ability of E. prolifera. Results of the present work may be helpful to provide enlightenment on prediction and controlling of macroalgae green tide.
Page(s): 293-297
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.49(02) [February 2020]

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