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.
1 Tropical Andes Biodiversity Hotspot The richest and most diverse region on Earth, the Tropical Andes region contains about a sixth of all plant life in less than 1 percent of the world s land area.2  One of the more unique plant species is an Andean bromeliad that require 100 years to mature. But the relationship between people and biodiversity is not simply one where more people lead to greater impacts on biodiversity. 2  Human population density among hotspots varies widely, from four people per km to as many as 336 people per km (in Japan). 3  Hotspots are also notable centers of violent conflict.