AI Article Synopsis
- Gracilaria edulis is a popular seaweed in India, and initial pilot cultivation started in Andaman, focusing on growth influenced by water quality.
- The study analyzed 11 physicochemical and 9 microbiological parameters across two seasons, finding that nitrate, nitrite, ammonia, silicate, chlorophyll, and light positively affect seaweed growth, while some bacteria have a negative impact.
- The optimal conditions for Gracilaria growth were identified as a pH of 7.59-7.82, a nitrogen/phosphorus ratio of 2.046, rainfall of 23.85-24 mm, and a photosynthetic active radiation of 376.6 W/m, providing a model
Article Abstract
Gracilaria edulis is one of India's most widely cultivated seaweeds. Pilot scale cultivation of Gracilaria edulis was initiated at Andaman, India for the first time. In the present study attempt has been made to identify how different water quality parameters influence the growth. Total 11 physicochemical parameters and 9 microbiological parameters, as well as chlorophyll and zooplankton, phytoplankton parameters were studied for two different seasons to evaluate which parameters influence seaweed growth. Six (nitrate, nitrite, ammonia, silicate, chlorophyll, photosynthetic active radiation) have a positive impact on seaweed growth, while some of the bacterial species showed negative impact. Lowess 3D curve fit model showed pH range from 7.59 to 7.82, N/P ratio of 2.046, rainfall 23.85-24 mm, and Photosynthetic active radiation of 376.6 W/m are optimum for Gracillaria growth. This model can be applied to future mass culture.
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| http://dx.doi.org/10.1016/j.marpolbul.2022.113893 | DOI Listing |
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