The East Siberian brown bear (Ursus arctos collaris) is a subspecies of brown bear which ranges from eastern Siberia, beginning at the Yenisei river, as far as Trans-Baikaliya, the Stanovoy Range, the Lena River, Kolyma and generally throughout Yakutia and the Altai Mountains.
His most recent book, River of No Reprieve, is about a challenging raft trip down Russia's Lena River.
After 1990, Succow did consulting work in a number of former Warsaw Pact countries as well as in Central Asia and East Asia resulting in the designation of nature reservations (including a number of UNESCO world nature heritage sites) in Kamchatka, the Lena river delta, Karelia, Kyrgyzstan, Kazakhstan, Uzbekistan, Mongolia, Georgia, Russia and Belarus.
montis Matthew, 1889 is known from the Middle Cambrian of the Russian Federation (Kounamkites-zone, Daldyn river Basin, and Nekekit River; Ovatoryctocara-zone, Molodo River, Olenik Uplift, Yakutia; Shistocephalus antiquus-zone, Lena River), and Canada (Mount Stephen, British Columbia; Bathyuriscus-Elrathina-zone, Rocky Mountains).
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Aldan has the typical eastern Siberian subarctic climate (Köppen Dfc) though it is affected by the Pacific Ocean more than localities in the lower Lena basin, which gives it much heavier rainfall during the summer than most of the republic, as well as a little more snowfall and considerably less extreme winter temperatures.
Aviarktika established routes along the rivers and lakes of Siberia and Northern Russia; the Ob River with a base at Omsk, on the Irtysh and Yenisei rivers, with a base at Krasnoyarsk, on the Angara near Lake Baikal at Irkutsk, and at Yakutsk on the Lena.
Further follies included plans to send ships north along the rivers Ob and Lena towards the Arctic.