Symposium Introduction

Protective forestation prevent water and wind erosion of fields. Development of biological pest control methods can reduce use of agricultural pesticides. At present, the protection need 2000 species of plants, 236 species of mammals, 287 species of birds. World Conservation Union Red List of set up special in which reported information about endangered species and recommendations for their conservation. Many animal species threatened with extinction now regained their strength. This applies to elk, saiga, white heron, Haga.

Conservation of flora and fauna contributing organization reserves and sanctuaries. In addition to the protection of rare and endangered species Reserves serve as a basis for the domestication of wild animals, with valuable economic characteristics. Reserves are also centers for the resettlement animals that disappeared in the area, help to enrich the local fauna.

In Russia, has successfully taken root severnoamerikanskaya muskrat, giving valuable fur. In harsh conditions of the Arctic musk ox successfully propagated, imported from Canada and Alaska. Restored the number of beavers, almost disappeared in the beginning of the century. Similar examples are numerous. They show that respect for nature, based on deep knowledge of biology of plants and animals, not only saves it but also provides significant economic effect.