・海洋変動と漁業(外洋)
Ocean Variability and Fisheries
Keisuke Mizuno (JAMSTEC)
Purpose:
To understand how ocean variability controls fish migration and reproduction.
To understand the present status of fisheries oceanography in Japan.
Outline:
1. Effects of Ocean condition on Fisheries
Case: Tunas and El Nino (Yellowfin, Skipjack, Bigeye tuna)
0) Basics (habitats, fishing gear, behavior)
1) Fishing ground displacement
2) Fish migration
3) Recruitment (reproduction)
4) Ocean Monitoring System
2. Operational Fisheries Oceanography in Japan
1) Monitoring system
2) Products
3) Recent studies
・Coastal short-term forecasting
・Hook depth of longline
