Laguna (province) producing of fish. Carp and tilapia fingerlings are also being grown in inland ponds and freshwater fish pens. There are a total of 457 operators utilizing an area of for fish pens and fish cages. Aside from the Laguna de Bay, approximately 12% of the area in the Seven Lakes of San Pablo is being used for aquaculture. Laguna is home to twenty-one economic zones as registered under the Philippine Economic Zone Authority. Most of these economic zones are located in Santa Rosa, Biñan, and Calamba. The largest economic zone in Laguna is the Laguna Technopark, located in Santa Rosa
Laguna de Guayatayoc Laguna de Guayatayoc Laguna de Guayatayoc is a body of salty water in Argentina, located in the south of the Cochinoca Department, in the province of Jujuy. The lake is almost united with the Salinas Grandes. Its surface area is highly variable, depending on the season and longer cycles of drought and humidity. In the puna ecoregion, summer (December–March) is the rainy season; hence the lake is largest in March and April. It covers an area of approximately 240 km and is about 6 metres deep. Laguna de Guayatayoc is home to large populations of different varieties of flamingos, including