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.
Poisonous plants, indoor and outdoor
University of Michigan shows that a super-fruit consumption reduces adipose tissue
One of these super fruits are cherries, which reduces risk factors for heart disease. In addition to lower cholesterol and reduce inflammation, a diet rich in cherries reduced body weight and fat.
Rice plants resistant to arsenic
Rice is the raw material supply for more than 80% of the world population, although production is declining in Bangladesh, India and parts of East and South Asia, due to toxic levels of arsenic in soil.
Tomato consumption prolongs life
Researchers at the John Innes Center in Norwich, United Kingdom, in collaboration with other European centers participating to the FLORA project, have obtained genetically modified tomatoes rich in anthocyanins, a category of antioxidants belonging to the class of flavonoids. These tomatoes showed a significant protective effect by extending the life of mice.