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  •   SEAFDEC Institutional Repository (SIR)
  • 01 SEAFDEC Publications
  • 11 Conference Proceedings
  • SEAFDEC/TD
  • Consolidating the Strategies for Fishery Resources Enhancement in Southeast Asia. Proceedings of the Symposium on Strategy for Fisheries Resources Enhancement in the Southeast Asian Region, Pattaya, Thailand, 27-30 July 2015
  • View Item
  •   SEAFDEC Institutional Repository (SIR)
  • 01 SEAFDEC Publications
  • 11 Conference Proceedings
  • SEAFDEC/TD
  • Consolidating the Strategies for Fishery Resources Enhancement in Southeast Asia. Proceedings of the Symposium on Strategy for Fisheries Resources Enhancement in the Southeast Asian Region, Pattaya, Thailand, 27-30 July 2015
  • View Item
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Seagrass Bed Restoration by Fishermen at Hinase in Japan

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YanagiT2016.pdf (218.8Kb)
Date
2016
Author
Yanagi, Tetsuo
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Abstract
Habitat rehabilitation which is very important for fishery resources enhancement should be conducted following the community-based management and ecosystem-based management. In Japan, the Satoumi concept is introduced as one of integrated coastal management concepts for habitat rehabilitation. Fishermen at Hinase Fishermen Union in Japan began the eelgrass bed restoration activity in 1985, when the area of eelgrass bed decreased to 80 ha from 590 ha in 1945, and have continued such activity until now. The area of eelgrass bed recovered 200 ha and fish catch by set net also recovered in 2011. The fishers' group began the oyster culture in the same fishery ground around 1985. Together with the expansion of eelgrass bed, the harvest of oysters had increased because the eelgrass bed and oyster culture have the win-win relation, that is, the oyster culture helps the expansion of eelgrass bed by the assimilation of detritus and increase sun light transmittance depth, and the eelgrass bed helped decrease the mortality of cultured oysters in summer by lowering water temperature in the water column. Moreover the Hinase Fishermen Union plans to establish a fish farm by combining eelgrass bed, oyster culture in rafts and artificial reefs arrangement, that is, the spawned local fish grows in the designated farming area using eelgrass bed, oyster raft and artificial reef, resulting in increased fish harvest.
URI
http://hdl.handle.net/20.500.12067/705
Suggested Citation
Yanagi, T. (2016). Seagrass bed restoration by fishermen at Hinase in Japan. In H. Kawamura, T. Iwata, Y. Theparoonrat, N. Manajit, & V. T. Sulit (Eds.), Consolidating the Strategies for Fishery Resources Enhancement in Southeast Asia. Proceedings of the Symposium on Strategy for Fisheries Resources Enhancement in the Southeast Asian Region, Pattaya, Thailand, 27-30 July 2015 (pp. 121-122). Samutprakan, Thailand: Training Department, Southeast Asian Fisheries Development Center.
Subject
environmental degradation ASFA; stocking density ASFA; resource management ASFA; survival ASFA; Catch/effort; brackishwater aquaculture ASFA; growth ASFA; socioeconomic aspects ASFA; brackishwater environment ASFA; fishing grounds ASFA; feeding ASFA; stocking (organisms) ASFA; feeds ASFA; shrimp culture ASFA; aquaculture regulations ASFA; resource conservation ASFA; estuaries ASFA; carrying capacity ASFA; stock assessment ASFA; environmental impact ASFA; livelihoods ASFA; shrimp fisheries ASFA; cage culture ASFA; culture effects ASFA; stocks ASFA; Philippines; Penaeus monodon
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  • Consolidating the Strategies for Fishery Resources Enhancement in Southeast Asia. Proceedings of the Symposium on Strategy for Fisheries Resources Enhancement in the Southeast Asian Region, Pattaya, Thailand, 27-30 July 2015 [32]

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