Ilmensky Nature Reserve
Ilmensky Nature Reserve is a Russian zapovednik that was created by decree of Vladimir Lenin in 1920 as a mineralogical nature reserve. The reserve is situated just north and east of the city of Miass, in the Chebarkulsky District of Chelyabinsk Oblast. It is 20 km east of Taganay National Park and 75 km west of Chelyabinsk.
It is the type locality of 17 minerals including ilmenite, cancrinite, amphibole-supergroup minerals, rare-earth minerals, and niobium–rare-earth minerals. There have been over 400 mines in the area over the years. The reserve's geological museum is one of the largest in Russia.
The forest cover is pine and larch forest on low hills of the Ilmensky Mountains and foothill ridges on east side of the south Ural Mountains. The Ignatievka Cave with ancient cave paintings has been a branch of the reserve since 1983. Another branch is the archaeological site of Arkaim and its associated sites.
Topography
The Ilmensky Reserve is located on the east slope of the southern Urals, where the terrain flattens from low mountains to a district of lakes and rolling hills. The reserve is rectangular in shape, 70 km from north to south, and 10 km from west to east. The Miass River runs north–south along the west border of the reserve. The highest point, Ilmen Tau, is 750 meters above sea level.The geology is a complex assortment of igneous and metamorphic rock. The granitic formations contain many pegmatite veins with associated minerals. The reserve has recorded 278 species of minerals, and 70 kinds of rock.
Climate and Ecoregion
Ilmen is located in the Kazakh forest steppe ecoregion. Steppe with long ""ribbon forests"" of pine; about 300–500 miles more northerly than the European Russian forest. This ecoregion has more wetlands and more continental climate than the European forest steppe.The climate of Ilmen is Humid continental climate, warm summer. This climate is characterized by large swings in temperature, both diurnally and seasonally, with mild summers and cold, snowy winters. Rainfall varies from 500 to 800 mm per year, peaking in the summer. Snow reaches a depth of 1 meter, with snow cover averaging 195 days. The frost-free period lasts 80–90 days.