Which of these is a hypothesis? salmon are kept in their natural habitat and treated with fungicides whenever infected. the yield of salmon is 2,000 kilograms in the month of april and 1,500 kilograms in the month of october. salmon are more prone to infections during the summer than in other seasons. nextreset

How does upwelling affect coastal fisheries? upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water. upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water. upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water. upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.