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The water system like the lake Aheme are abundant in halieutic species (fish, crabs, shrimps...) exploited by resident populations. Over exploitation and high degradation of ecosystems of the lake Aheme induce inexorably fish productivity reduction. Halieutic production reduction generates a subsequent fall of incomes of the households depending primarily on the fishery activities. The fall of halieutic production involves today significant migratory movements of the fishermen and socioeconomicdoi:10.19044/esj.2016.v12n35p354 fatcat:eq2wp7o4yneb5kdmsxjrwqvdt4