Leatherback Trust conservation initiatives throughout Costa Rica and around the world. The Leatherback Trust currently supports conservation projects for the leatherback, green and olive ridley sea turtles in Costa Rica; leatherback and loggerhead sea turtles in South Africa; loggerhead sea turtles in Greece; and hawksbill sea turtles in the US Virgin Islands. Las Baulas National Marine Park was formed by a Presidential decree in 1991 and officially confirmed by law in 1995. Prior to the creation of the park almost 100% of all the sea turtles eggs laid in the region were collected illegally (poaching), but now this has been effectively ended.
Varieties of Chinese dialect of northern Fujian is a minimal example. With the exception of , which is often merged with the zero initial, the initials of this dialect are present in all Chinese varieties, although several varieties do not distinguish from . However, most varieties have additional initials, due to a combination of innovations and retention of distinctions from Middle Chinese: Chinese finals may be analysed as an optional medial glide, a main vowel and an optional coda. Conservative vowel systems, such as those of Gan dialects, have high vowels , and , which also function as medials, mid vowels and ,