Of Fish, Monsoons and the Future

As the sun rises on Tonle Sap Lake, fishermen head out from floating villages like this one, past half-submerged mangroves and flooded shrub land, to check their nets, much as they have for centuries. Every year, the lake yields about 300,000 tons of fish, making it one of the world’s most productive freshwater ecosystems. That and the floods that pulse through it in monsoon season, swelling it to as much as five times its dry-season size, have earned the lake the nickname “Cambodia’s beating heart.” … Cambodia’s population is growing rapidly, at a rate of nearly 2 percent a year. Many rural Cambodians, including subsistence farmers displaced by land grants to large agribusinesses, have migrated to the Tonle Sap from upland areas. Others come after selling their farmland to pay off debt. From 1998 to 2008, the most recent period studied, the number of full-time Tonle Sap fishermen grew by 38 percent to 38,200, and the number of lakeside farmers, many of whom fish part time, increased 33 percent to 520,800. …

Chris Berdik
http://www.nytimes.com/2014/06/10/science/of-fish-monsoons-and-the-future.html?_r=2