land is in short supply due to the ground becoming oversalted. with their livelihoods destroyed, people are having to move inland. but the diawling national park, 12 kilometers away, provides alternative sources of income. a few years ago it was home to far fewer animals. today, it's a breeding ground for over 300 species of birds, including flamingoes. crocodiles live here, too. the warthog population is flourishing because the animims are not hunted here. there's both freshwater and saltwater in the senegal river delta. nature conservation makes sense here. protecting the ecosystem also creates jobs. zeine: the goal of the park is to restore the ecosystem and fight poverty. why fight poverty in this region? because the local population does traditional work -- they harvest whatever nature provides. the local economy is based on fishing and farming. if there's no more water, ththe will be nothing left here. reporter: locally caught tilapia is hung out to dry in the open air. many villages have no electricity, let alone refrigerators. fishermen s