hat
Genyen yon kantite rezon posib pou epidemi Lerison lanmè. Yo ka rezilta a nan rediksyon nan predatè natirèl, tankou pwason ki mache ak wrasses, ref oswa konpetisyon manje ki redwi ki ta ka lakòz rekòlt twòp nan pwason èbivò yo. Polisyon eleman nitritif sou resif koray yo ka kontribye tou pou epidemi adrime lè yo ogmante kwasans alg.
eng
There are a number of possible reasons for sea urchin outbreaks. They may be the result of depletion of natural predators, such as triggerfishes and wrasses, ref or reduced food competition that might result from over-harvesting of herbivorous fishes. Nutrient pollution on coral reefs may also contribute to urchin outbreaks by increasing algal growth.