Sustainable Development Indicators for Taiwan			Index ›› Island Taiwan ›› Ecological state Index ››
		Fisheries yield per unit effort Relationship with sustainability Reduction of yield per unit effort reflects decreasing fisheries stock, which means unsustainable harvesting. Calculation Total catch in inner waters by fishing vessels /Total number of netting in inner waters by fishing vessels less than 50 tones Source of data Fisheries Agency, Council of Agriculture