J-GLOBAL ID:200904014992567198  Research Project code:0350011229 Update date:Jan. 17, 2005

Research on the measures for increasing Ayu resources

Study period:2002 - 2006
Organization (1):
Investigating Researcher (3):
Research overview:
The quantitative relationship between the productivity of algae in the rivers and the present quantity of Ayu is elucidated and objective discharge of the young fishes is made calculated. And, the movement of the natural sea-born Ayu resources in Nagara River is surveyed and the actual condition of fish catches by "YANA" (fish trap) is surveyed to sustain and increase the resource.
Keywords (6):
algae productivity of rivers ,  present quantity of Ayu ,  quantity of discharge of young fishes ,  natural sea-born Ayu ,  measures for increase of resources ,  YANA (fish trap)
Project name: Consignment projects to increase inland water resources and culture fishery and general management measures
Project Organization (1):
  • 全国内水面漁業協同組合連合会(E280000000)
Research program: Contract Research
Ministry with control over the research :
Ministry of Agriculture, Forestry and Fisheries
Research budget: 2005: \2,000,000

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