When the Warm Ocean Current El Niño Replaces the Cooler

When the warm ocean current El Niño replaces the cooler Peruvian, or Humboldt, current along the coast of Peru, the supplies of anchovies on which sea birds feed decrease. As a result, the number of sea birds roosting on the coastal islands decreases.In Peru, the developments described have an impact on?

A) the money earned from tourists who visit its beaches
B) the ability of ships to dock at its ports
C) warm weather in coastal areas
D) the export of anchovies