scientists believe they now have scientific evidence to prove that ecosystems word better when there is greater varitety of species within them. This biodiversity is being lost destroying natural mechanisms that could repair the damage caused by man.
Finding show that losing phants and animals is not only reducing our quality of life but actually endangering our very existence. We cut down rich rainforests and replace them with one species plantations, such as pine and eucalypus. We plough up meadows rich in different grasses and herbs and replace them with one grass, for instance rye or wheat.
When a natural ecosystem is simplified the basic processes in the ecosytem are altered and even damaged. Without their biodiversity they are not able to serve as the natural of our plante . No longer are they able to abosord the carbon dioxide that is being produced in excess. The result is global warming, caused by the increase in the'' greenhouse effect'', and ultimately, or even sooner, there will be a change in the world's climate.
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