The latter ones have been reduced for felling, ploug-hing up or soil, water, air pollution. Doly The most northern steep area of the European part of Russia is situated here. This place is called Doly. This old Russian word means the low place with flat bottom among the earth-walls, mounds. It's surprising because the steep plants, growing there are 150 - 200 km and even 600 km away from their main habitat.
Scientists try to explain the penetration of steep plants a long way off to the North.
As this is not only a steep flora but a steep fauna as well. If we approach to the forests of the Nature Reserve with strict forestry positions the overwhelming majority of them are mixed consisting of conifer and deciduous types. There are not so many pure, one-typed forests here that is why the forest that is called pine or spruce one in fact is mixed. In the conditions of Central Russia there are no pure forests in the wild Nature. In the mixed forest there are more animals.