Leatherback Trust Leatherback Trust The Leatherback Trust is a non-governmental organization dedicated to the conservation and study of sea turtles and freshwater turtles, with special regard for the leatherback sea turtle. The Leatherback Trust was founded in 2000 to help consolidate Las Baulas National Marine Park, one of the last major nesting site for the critically endangered leatherback turtle in the Eastern Pacific Ocean. The park protects Playa Grande, Playa Ventanas, Playa Langosta, the ocean out to 12 nautical miles, wetlands, highlands, and the coast inland to 125 m from the high tide line. The Leatherback Trust also supports other sea turtle
Varieties of Chinese increase, although there are also some sharp boundaries. However, the rate of change in mutual intelligibility varies immensely depending on region. For example, the varieties of Mandarin spoken in all three northeastern Chinese provinces are mutually intelligible, but in the province of Fujian, where Min varieties predominate, the speech of neighbouring counties or even villages may be mutually unintelligible. Classifications of Chinese varieties in the late 19th century and early 20th century were based on impressionistic criteria. They often followed river systems, which were historically the main routes of migration and communication in southern China. The first scientific classifications, based