Many forests are lost by having been carried out in order to live a life in jungles, such as a deforestation and slash-and-burn farming.
Deforestation is for advanced nation export, and it is said that especially twenty percent of export is to Japan. It is the field to which the move of an advanced nation is also greatly related.
Slash-and-burn farming is burning land and uses the ashes as manure in order to carry out agriculture in the bad tropical-rain-forests zone of soil. In these areas, this serves as traditional agriculture and has spread rapidly.
In tropical forest, since disassembly of an organic matter is quick, there is thickness of soil only several cm. Therefore, the soil which became unreserved by felling or slash-and-burn farming is flushed with the heavy rain of the rainy season, and cannot return to the tropical forest of a basis again.
Problem
It is progressing quickly and the place which is unreserved soil at once does not return. It is important to stop extensive felling and large-scale slash-and-burn farming immediately.
Measure
By cooperation of various organizations, influence is made so that agriculture other than slash-and-burn farming may be taken.
Although advanced nations need to regulate the problem of import wood itself, there is no still big motion.
Mangrove wood destruction
A cause and the present condition
The mangrove wood which spreads to the river in Indonesia. It is destroyed in order that this may make the nursery of shrimp now.
Many living things live in the root of a mangrove, and these influence it greatly at environment.
Problem
The cultivated shrimps are advanced nations, especially for Japan, and must be considered with a life of a culture person.
Measure
Afforestation of mangrove wood is made mainly by the nonfinancial company.
