Summaries
Tropical Forests
– The layers or stratums of the forest are: the lower layer, the bush and high grass level, the lower canopy, the canopy, and the emergent vegetation or canopy.
– There are tropical rainforests, seasonal forests and dry forests.
– The main problems of the tropical rainforests are deforestation and the exploitation of many animal species for commercial ends.
Tropical grasslands
– There are herbaceous savannahs, bushy, arborous and the thorny open forest of the savannah.
– Among the main problems faced by the African savannah are the intervention and use of the soil for agricultural ends and the indiscriminate hunting of animal species.
Deserts
– The main characteristic of desert zones is that they present annual precipitation below 250 millimeters.
– The Chilean desert receives the name of Atacama Desert and it is the driest in the world.
