Classification depends mainly forests position, distance from equator, altitude and climate.
Tropical forests - all year round temperatures are high and precipitation. Tropical moist forests are found near the equator. In tropical forests there is a season of drought. Most trees have crown umbeliforma. Flowers in tropical forests are pollinated by insects, birds, animals. The wood structure of trees is excellent, being strong and tough, with high resistance.
Sub-tropical forests - are found north of the tropical forests. Trees are drought tolerant summer.
Temperate forests - are found in eastern North America, Asia, North-eastern, eastern and western Europe. Temperate forests are a mixed and coniferous species decidue. Seasons are well defined.
Mediterranean forests - are found south of temperate regions, the Mediterranean Sea coast, in California, Cs and Western Australia. Vegetative cycle is short and almost all trees and shrubs are evergreen, but in combination with coniferous and leafy trees fell.
Coniferous forests - are found in cold regions, near the poles. Conifers are adapted to drought.
Mountain forests - are found in the temperate zone, subtropical and tropical high altitude. Plants are adapted to withstand cold, rain and intense sun light. Conifers predominate.
Cakes by primu
Plant indicators of land rich in nutrients (nitrogen put: Atriplex patula, Capsella bursa-pastoris, Chenopodium album, Galinsoga parviflora, fumaric officinalis, Mercurialis annua, Solana nigrum, Thlaspi arvense, Urtica dioica, Urtica urens.
Royal Botanic Gardens, Kew - 250 years of existence
Royal Botanic Gardendale, Kew - celebrates 250 years of existence.
In 1759, William Aiton was appointed to take care of the gardens extend to KEW Princess Augusta.
Green tea properties
Contains an antioxidant 100 times more powerful and effective than vitamin C and 25 times more effective than vitamin E in protecting cells. Inhibit the growth of new tumor cells and destroy some of the existing ones, without destroying the healthy.