To help determine the cause of unexplained excessive or repeated episodes of bleeding, to diagnose von Willebrand disease (VWD), and to distinguish between different types of VWD.
The tropical zones of the American continent (Neotropics), where Costa Rica is located, contain a greater diversity of species and ecosystems, as well as a broader range of interactions, compared with other tropical regions of the world.he institution charged with the task of administering Costa Ricaâs biodiversity is the Ministry of the Environment and Energy (MINAE), and more specifically to the National System of Conservation Areas (SINAC), which is responsible for the conservation and sustainable use of the countryâs biodiversity.
Biodiversity hotspots. Rainforests are the Earthâs oldest living ecosystem. Today, they contain the most concentrated areas of biodiversity. More than two-thirds of the worldâs plant species live in tropical rainforests.An area of the rainforest the size of two football fields may have more than 400 species of trees.he rainforests of the world cover less than 6 per cent of the earthâs surface, yet play a critical role in the survival of man on this planet. The worldâs rainforests are home to half of all the planetâs living animal and plant species.