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Gavril Ivanovich Tanfilyev ( 6 March 1857 – 14 September 1928) was a Russian and Soviet soil scientist and botanist who worked on biogeography and aspects of plants ecology associated with soil and climate and examined the distributional limits of plants. He also produced a classification of the marshes.
Tanfilyev was born in
Географiя Россiи
[Geography of Russia] (1916) {{DEFAULTSORT:Tanfilyev, Gavril 1857 births 1928 deaths Plant ecologists Scientists from the Russian Empire Soviet scientists
Gavril Ivanovich Tanfilyev ( 6 March 1857 – 14 September 1928) was a Russian and Soviet soil scientist and botanist who worked on biogeography and aspects of plants ecology associated with soil and climate and examined the distributional limits of plants. He also produced a classification of the marshes.
Biography
Tanfilyev was born in Tallinn
Tallinn is the capital city, capital and List of cities in Estonia, most populous city of Estonia. Situated on a Tallinn Bay, bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, it has a population of (as of 2025) and ...
where his father was a Baltic shipping customs officer. He studied at the Revel Classical Gymnasium before going to the Saint Petersburg State University, St. Petersburg University in 1877. He graduated in the natural sciences in 1883. His teachers included Andrey Beketov, Andrei Beketov and Vasily Dokuchaev, V. V. Dokuchaiev. His PhD was on the flora of Chernozem, chernozems. In 1892 he went on an expedition with Dokuchaiev into the Eurasian Steppe, Russian steppe. He worked for a while at the botanical garden in St. Petersburg before he became a lecturer at St. Petersburg University in 1895 and in 1905 he became a professor at Odesa University, Odessa University. He studied the soil and vegetation in the tundra and steppe region and produced a major work on plant geography in 1916. He noted that the boundary between the forest and the steppe was not defined by climate but by the soil which was non-calcareous outside the steppe. He noted that were salts were leached out by water, and that forests could advance as snow accumulated at the edge of the vegetation and upon melting washed salts out of the soil. In order to examine salinity of soils, he used a standardized technique of adding dilute hydrochloric acid to the soil and boiling it to extract the salts. He proposed the theory that the advance of the forest was geologically recent and that the steppe spread much further north in the past.
Tanfilyev received a Pyotr Semyonov gold medal from the Imperial Russian Geographical Society in 1908.
References
External links
Географiя Россiи
[Geography of Russia] (1916) {{DEFAULTSORT:Tanfilyev, Gavril 1857 births 1928 deaths Plant ecologists Scientists from the Russian Empire Soviet scientists