Posts tagged Square Kilometers
New Inventory of Species Confirms Costa Rica’s Amazing Biodiversity
Oct 26th

I have written often in my blog often about Costa Rica’s amazing level of biodiversity. Now a new inventory of species published this month by scientists of the Instituto Nacional de Biodiversidad (INBio) sheds new light on just how diverse Costa Rica really is. Consider these facts:
Costa Rica has 1.8 species of animals and plants for every square kilometer of its territory. This places it in 9th position for density of species of all countries in the world and the 20th most diverse in the world. Costa Rica has 51,000 square kilometers of territory, which is only 0.03% of the total terrestrial territory of the planet. However, it has 91,000 known species of plants and animals, and this translates to 4.5% of all known species in the world! In terms of diversity with respect to specific forms of life, Costa Rica ranks 17th for plants, 13th for amphibians, 20th for reptiles, 24th for birds and 32nd for mammals.
Not too bad for a country the size of West Virginia. Moreover, scientists believe that the 91,000 recorded species only represent 18% of what is really out there. In other words, the total number of species could reach as high as 500,000! Other species unknown are likely in the form of insects, mushrooms, and bacterias. Every two days a new species is discovered. The reason for this incredible diversity is no doubt the fact that Costa Rica is a “land bridge” between the two Americas and also because it is bound by two oceans that are separated by mountain chains.
This gives rise to a variety of climates that support a wide array of animal life. 1600 of Costa Rica’s species are under some level of threat, with 45% being amphibians of various types, 12% plants and 10% vertebrates.The title of the publication is Biodiversidad de Costa Rica En Cifras. The principal author is Vilma Obando A. The book can be purchased for 1,500 colones at INBio Parque, as well as other locations in the country.
