The Caatinga enclaves moist forests is an

ecoregion An ecoregion (ecological region) is an ecological and geographic area that exists on multiple different levels, defined by type, quality, and quantity of environmental resources. Ecoregions cover relatively large areas of land or water, and c ...

of the Tropical moist forests

Biome A biome () is a distinct geographical region with specific climate, vegetation, and animal life. It consists of a biological community that has formed in response to its physical environment and regional climate. In 1935, Tansley added the ...

, and the South American Atlantic Forest biome. It is located in northeastern

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

. The ecoregion forms a series of discontinuous, island-like enclaves amongst the much larger and dry Caatinga xeric shrubland and thorn forests ecoregion and Cerrado subtropical savannas ecoregion.

Setting

The Caatinga enclaves moist forests cover an area of in the state of

Ceará Ceará (, ) is one of the 26 states of Brazil, located in the Northeast Region, Brazil, northeastern part of the country, on the Atlantic Ocean, Atlantic coast. It is the List of Brazilian states by population, eighth-largest Brazilian State by ...

, in northeastern Brazil. The enclaves are found mostly on four major regional

plateau In geology and physical geography, a plateau (; ; : plateaus or plateaux), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. ...

s, the Chapada do Araripe, Serra de Ibiapaba, Serra de Baturité, and Serra da Borborema. The enclaves are found on

windward In geography and seamanship, windward () and leeward () are directions relative to the wind. Windward is ''upwind'' from the point of reference, i.e., towards the direction from which the wind is coming; leeward is ''downwind'' from the point ...

slopes and plateaus between elevation.

Flora

The main vegetation type is semi-deciduous forests with four strata of vegetation and emergent

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only ...

s taller than . The forest is generally similar in composition to the primary Atlantic Forests further east, but includes species from the

Caatinga Caatinga () is a type of semi-arid tropical vegetation, and an ecoregion characterized by this vegetation in interior northeastern Brazil. The name "Caatinga" comes from the Tupi word '' ka'atinga'', meaning "white forest" or "white vegetat ...

Cerrado The Cerrado () is a vast ecoregion of Tropics, tropical savanna in central Brazil, being present in the states of Goiás, Mato Grosso do Sul, Mato Grosso, Tocantins, Maranhão, Piauí, Bahia, Minas Gerais, São Paulo (state), São Paulo, Paraná ...

, and

Amazon Rainforest The Amazon rainforest, also called the Amazon jungle or Amazonia, is a Tropical and subtropical moist broadleaf forests, moist broadleaf tropical rainforest in the Amazon biome that covers most of the Amazon basin of South America. This basin ...

as well. The emergent and

canopy Canopy may refer to: Plants * Canopy (biology), aboveground portion of plant community or crop (including forests) * Canopy (grape), aboveground portion of grapes Religion and ceremonies * Baldachin or canopy of state, typically placed over an a ...

layers are made up mostly of tree species of the families

Fabaceae Fabaceae () or Leguminosae,International Code of Nomen ...

('' Peltophorum dubium''),

Meliaceae Meliaceae, the mahogany family, is a flowering plant family of mostly trees and shrubs (and a few herbaceous plants, mangroves) in the order Sapindales. They are characterised by alternate, usually pinnate leaves without stipules, and by syncarp ...

('' Cedrela fissilis'') and

Apocynaceae Apocynaceae (, from '' Apocynum'', Greek for "dog-away") is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, because some taxa were used as dog poison. Notable mem ...

('' Aspidosperma parvifolium''). The genus '' Ameroglossum'' is endemic to the ecoregion.

Fauna

Fauna associated with this habitat shows a strong connection with both the

and the Atlantic Forest, and, to a lesser degree, the

. Animals associated with this habitat include

bird Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...

s such as the grey-breasted parakeet (''Pyrrhura griseipectus''), ochraceous piculet (''Picumnus limae''), Ceará gnateater (''Conopophaga lineata cearae'') and Araripe manakin (''Antilophia bokermanni''),

frogs A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough skin texture due to ...

such as '' Adelophryne baturitensis'' and '' A. maranguapensis'', and

lizard Lizard is the common name used for all Squamata, squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging across all continents except Antarctica, as well as most Island#Oceanic isla ...

s such as '' Mabuya arajara'' and '' Leposoma baturitensis''. In contrast to other groups, only a single species of

mammal A mammal () is a vertebrate animal of the Class (biology), class Mammalia (). Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three ...

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to these moist forests enclaves, the recently described Cariri climbing mouse (''Rhipidomys cariri'').Tribe, C. J. (2005). ''A new species of Rhipidomys (Rodentia, Muroidea) from north-eastern Brazil.'' Arquivos do Museu Nacional, Rio de Janeiro, 63(1): 131-146 Caatinga enclaves moist forests WWF satelite

Caatinga enclaves moist forests WWF satelite

Conservation

Most birds endemic to these moist forests enclaves are considered threatened, primarily due to

habitat loss Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease ...

, by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding i ...

and, consequently,

IUCN The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status ...

. In general the status of other animals is comparably poorly known, but likely to be similar to that of the birds.

References

External links