INTEGRATION OF CYLES IN NATURE

These cycles are part of global life processses.These biogeochemical cycles have specific features in each of the ecosystems.These cycles are linked to those of adjacant systms,althrough their characteristics are specific to the plant and animal communities in the region .This is,in turrn,related to the geographical features of the area,the climate and the chemical composition of th esoil.To gether,the cyles are responsible for maintaing life on Earth.If mankind distrurbs these cycles beyond the limits that nature can sustain,they will eventually break down and lead to degrated Earth on which man will not be able to survive.