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Trinidad and Tobago dry forest on Chacachacare showing the dry-season deciduous nature of the vegetation. Dry forests tend to exist in the drier areas north and south of the tropical rainforest belt, south or north of the subtropical deserts, generally in two bands: one between 10° and 20°N latitude and the other between 10° and 20°S latitude.
The Ecuadorian dry forests are in the neotropical realm, in the tropical and subtropical dry broadleaf forests biome. [2] The ecoregion is part of the Tumbes–Chocó–Magdalena biodiversity hotspot , one of 25 biogeographic regions globally that have with a significant reservoir of biodiversity under threat from humans. [ 6 ]
The Dry Corridor or Central American Dry Corridor (CADC) is a tropical dry forest region on the Pacific Coast of Central America. [1] This area, which extends from southern Mexico to Panama, is extremely vulnerable to climate change due to much of the population living in rural areas and in poverty, and thus dependent on grain crops for their livelihood.
Most dry forests have already been destroyed by human action, especially near the Central Highlands. The remaining forest is severely fragmented. Burning, grazing, and logging are the major threats, and siltation, overfishing and invasive species impact the wetlands. Some species such as lemurs suffer from hunting. [2]
Deforestation for farming and logging have severely disturbed at least 94% of temperate broadleaf forests; many old growth forest stands have lost more than 98% of their previous area because of human activities. [7] Tropical deciduous dry forests are easier to clear and burn and are more suitable for agriculture and cattle ranching than ...
The Global 200 scheme, promoted by the World Wildlife Fund, classifies three main tropical forest habitat types , grouping together tropical and sub-tropical areas (maps below): Tropical and subtropical coniferous forests. Tropical and subtropical dry broadleaf forests, Tropical and subtropical moist broadleaf forests,
Moreover, it suggests that standing tropical forests help cool the average global temperature by more than 1 °C or 1.8 °F. [24] [25] Deforestation of tropical forests may risk triggering tipping points in the climate system and of forest ecosystem collapse which would also have effects on climate change. [26] [27] [28] [29]
These ranges create a rain shadow, which makes the Cauca Valley drier than the surrounding forests. The Cauca Valley dry forests lie below 1000 meters elevation; the higher slopes are occupied by the distinct Cauca Valley montane forests. Most of these forests have been cleared for agriculture over the years making it one of the most critically ...