This paper discusses the relationships of zonal vegetation boundaries with some climatic indicators. Possible changes in subzonal vegetation boundaries in the territory of European Russia and Western Siberia are forecasted within the framework of one of the global warming scenarios. The revealed regularities make it possible to suggest a mathematical… (More)
The steppe marmot disappeared from the modern Penza region at the end of the 19th century. The history of the disappearance of the marmot and the results of its reintroduction in 1985–1989 are considered in the article. The characteristics of the modern state of the marmot settlements that formed as a result of the reintroduction are given.