By Ryan Kellman , Rebecca Hersher , Tat Odoum Local fisheries on the coast of Cambodia struggled with decimated fish populations for years. Today, they are teeming with seafood, thanks to local ecological restoration efforts. Here (at right), Koh Kresna village chief Khiev Sat talks with a fisherman about the day's catch. Ryan Kellman/NPR hide caption The Gulf of Thailand is teeming with seafood: mackerel, sardines, bream and squid. Snails and anchovies. Shiny green crabs and tiny pink shrimp. "Every day, we are out catching fish and selling them," says Khiev Sat, the longtime leader of the coastal Cambodian village of Koh Kresna and the patriarch of a large family of people who have fished for generations. As he speaks, his sister arrives on a bicycle loaded with the morning's catch. "Our community fishery is strong," Khiev says, smiling. But it hasn't always been this way. When Khiev was a young man, the waters near his home were largely empty.…