Seaweed cultivation and utilization for farmer’s empowerment, livelihood and entrepreneurship opportunities: way forward

Johnson, B and Ranjith, L and Divu, D and Mojjada, Suresh Kumar and Koya, Mohammed and Tamilmani, G and Ignatius, Boby and Vinod, K and George, Grinson and Madhu, K and Suresh, V V R and Gopalakrishnan, A (2024) Seaweed cultivation and utilization for farmer’s empowerment, livelihood and entrepreneurship opportunities: way forward. In: Course Manual: ICAR Winter School on Harnessing Recent Advances in High-Value Compound Development and Seaweed Biomass Utilization for Human Well-being: Propelling Atmanirbhar Swastha Bharat and Empowering Farmers 15th February to 06th March 2024. CMFRI Training Manual Series (38). ICAR- Central Marine Fisheries Research Institute, Kochi, pp. 440-444.

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    Abstract

    Seaweed farming emerges as a sustainable and diverse means of subsistence for coastal fisherfolk in India, presenting economic opportunities while addressing environmental challenges. This study highlights the importance of seaweed cultivation in Tamil Nadu, India, as a strategic response to climate change and for generating carbon credits. Globally, seaweed output was 35.1 million tonnes, valued at 16.5 billion USD in 2022. In Tamil Nadu, 5,000 families annually harvest 47,000 tonnes of seaweeds, including key species like Sargassum and Turbinaria. Kappaphycus alvarezii, a carrageenan-producing red alga, experienced a peak production of 1,500 tonnes in 2012-13, declining to 400-500 metric tonnes annually. Despite challenges, over 2,000 families engage in seaweed cultivation. The study explores the Bamboo Raft Method, using hollow bamboo poles to construct 12’x12’ rafts. Seedlings from robust plants are transplanted onto seaweed-adorned ropes, forming rafts grouped and anchored in shallow water. An optimal configuration involves 400 rafts in a one-hectare area, ensuring effective seawater circulation. This research provides insights into seaweed farming practices and challenges, contributing valuable knowledge for sustainable coastal resource management

    Item Type: Book Section
    Uncontrolled Keywords: Seaweeds; Coastal resources; Seaweed farming; Bamboo raft method
    Subjects: Aquaculture > Farming/Culture
    Algae > Seaweed
    Fishery Technology > Processing Technology
    Divisions: CMFRI-Kochi > Mariculture Division
    Subject Area > CMFRI > CMFRI-Kochi > Mariculture Division
    CMFRI-Kochi > Mariculture Division
    Subject Area > CMFRI-Kochi > Mariculture Division

    CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division
    Subject Area > CMFRI > CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division
    CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division
    Subject Area > CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division
    Depositing User: Arun Surendran
    Date Deposited: 22 Mar 2024 05:42
    Last Modified: 22 Mar 2024 05:42
    URI: http://eprints.cmfri.org.in/id/eprint/18198

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