The following is a list of

ecoregion An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of ...

s in Costa Rica. Ecoregions cover relatively large areas of land or water, and contain characteristic, geographically distinct assemblages of natural communities and species. The biodiversity of flora, fauna and ecosystems that characterise an ecoregion tends to be distinct from that of other ecoregions. Ecoregions are grouped into larger

bioregion A bioregion is an ecologically and geographically defined area that is smaller than a biogeographic realm, but larger than an ecoregion or an ecosystem, in the World Wide Fund for Nature classification scheme. There is also an attempt to use the ...

s, which in turn form the eight

biogeographic realm A biogeographic realm or ecozone is the broadest biogeographic division of Earth's land surface, based on distributional patterns of terrestrial organisms. They are subdivided into bioregions, which are further subdivided into ecoregions. De ...

s of the Earth's surface. Costa Rica is a country in Central America, bordered by

Nicaragua Nicaragua (; ), officially the Republic of Nicaragua (), is the largest country in Central America, bordered by Honduras to the north, the Caribbean to the east, Costa Rica to the south, and the Pacific Ocean to the west. Managua is the countr ...

to the north,

Panama Panama ( , ; es, link=no, Panamá ), officially the Republic of Panama ( es, República de Panamá), is a transcontinental country spanning the southern part of North America and the northern part of South America. It is bordered by Co ...

to the southeast, the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the contin ...

to the west, and the

Caribbean Sea The Caribbean Sea ( es, Mar Caribe; french: Mer des Caraïbes; ht, Lanmè Karayib; jam, Kiaribiyan Sii; nl, Caraïbische Zee; pap, Laman Karibe) is a sea of the Atlantic Ocean in the tropics of the Western Hemisphere. It is bounded by Mexico ...

to the east. It contains 5% of the world's

biodiversity Biodiversity or biological diversity is the variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic (''genetic variability''), species (''species diversity''), and ecosystem (''ecosystem diversity'') l ...

Terrestrial ecoregions

Costa Rica is in the

Neotropical realm The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In biogeo ...

and Central America bioregion, and divided into the following

terrestrial ecoregion An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of l ...

s, organized by

biome A biome () is a biogeographical unit consisting of a biological community that has formed in response to the physical environment in which they are found and a shared regional climate. Biomes may span more than one continent. Biome is a broader ...

: *

Tropical and subtropical moist broadleaf forests Tropical and subtropical moist broadleaf forests (TSMF), also known as tropical moist forest, is a subtropical and tropical forest habitat type defined by the World Wide Fund for Nature. Description TSMF is generally found in large, discon ...

** Central American Atlantic moist forests **

Cocos Island moist forests Cocos Island ( es, Isla del Coco) is an island in the Pacific Ocean administered by Costa Rica, approximately southwest of the Costa Rican mainland. It constitutes the 11th of the 13 districts of Puntarenas Canton of the Puntarenas Province, Pr ...

** Costa Rican seasonal moist forests **

Isthmian–Atlantic moist forests The Isthmian–Atlantic moist forests (NT0129) are a Central American tropical moist broadleaf forest ecoregion located on the lowland slopes (under 500 meters) on the caribbean sea side of Nicaragua and Costa Rica and the Gulf and Pacific Ocean ...

Isthmian–Pacific moist forests The Isthmian–Pacific moist forests ecoregion (WWF ID: NT0130) covers the lowland tropical evergreen forests on the Pacific side of the central mountains of southern Costa Rica and western Panama. As the meeting zone between North and South Ameri ...

Talamancan montane forests The Talamancan montane forests ecoregion, in the tropical moist broadleaf forest biome, are in montane Costa Rica and western Panama in Central America. Setting The Talamancan montane forests cover a discontinuous area of in Cordilleran mounta ...

Tropical and subtropical dry broadleaf forests The tropical and subtropical dry broadleaf forest is a habitat type defined by the World Wide Fund for Nature and is located at tropical and subtropical latitudes. Though these forests occur in climates that are warm year-round, and may receive ...

** Central American dry forests *

Montane grasslands and shrublands Montane grasslands and shrublands is a biome defined by the World Wildlife Fund. The biome includes high elevation grasslands and shrublands around the world. The term "montane" in the name of the biome refers to "high elevation", rather than th ...

** /nowiki>Talamanca_Paramo.html" ;"title="Talamanca_Paramo.html" ;"title="/nowiki>Talamanca Paramo">/nowiki>Talamanca Paramo">Talamanca_Paramo.html" ;"title="/nowiki>Talamanca Paramo">/nowiki>Talamanca Paramo/nowiki> *Mangrove **Bocas del Toro–San Bastimentos Island–San Blas mangroves **Moist Pacific Coast mangroves **Rio Negro–Rio San Sun mangroves **Southern Dry Pacific Coast mangroves

Freshwater ecoregions

* Chiriqui * Estero Real–Tempisque * Isthmus Caribbean * San Juan (Nicaragua/Costa Rica)"San Juan (Nicaragua/Costa Rica)". ''Freshwater Ecoregions of the World''. Accessed 19 June 2021. https://www.feow.org/ecoregions/details/205

Marine ecoregions

Costa Rica's Pacific coast is in the

Tropical Eastern Pacific The Tropical Eastern Pacific is one of the twelve marine realms that cover the coastal waters and continental shelves of the world's oceans. The Tropical Eastern Pacific extends along the Pacific Coast of the Americas, from the southern tip of t ...

marine realm A marine ecoregion is an ecoregion, or ecological region, of the oceans and seas identified and defined based on biogeographic characteristics. Introduction A more complete definition describes them as “Areas of relatively homogeneous species c ...

, and the Caribbean coast is in the

Tropical Atlantic The Tropical Atlantic realm is one of twelve marine realms that cover the world's coastal seas and continental shelves. The Tropical Atlantic covers both sides of the Atlantic. In the western Atlantic, it extends from Bermuda, southern Florida, ...

marine realm.

Tropical Atlantic The Tropical Atlantic realm is one of twelve marine realms that cover the world's coastal seas and continental shelves. The Tropical Atlantic covers both sides of the Atlantic. In the western Atlantic, it extends from Bermuda, southern Florida, ...

Southwestern Caribbean The points of the compass are a set of horizontal, Radius, radially arrayed compass directions (or Azimuth#In navigation, azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east ...

Tropical Eastern Pacific The Tropical Eastern Pacific is one of the twelve marine realms that cover the coastal waters and continental shelves of the world's oceans. The Tropical Eastern Pacific extends along the Pacific Coast of the Americas, from the southern tip of t ...

* Chiapas-Nicaragua *

Nicoya Nicoya is a Districts of Costa Rica, district and head city of the Nicoya (canton), Nicoya canton, in the Guanacaste Province, Guanacaste province of Costa Rica, located on the Nicoya Peninsula. It is one of the country's most important tourism, ...

Cocos Island Cocos Island ( es, Isla del Coco) is an island in the Pacific Ocean administered by Costa Rica, approximately southwest of the Costa Rican mainland. It constitutes the 11th of the 13 districts of Puntarenas Canton of the Province of Puntarena ...

References

{{Reflist, 2 Eco Costa Rica