Otto Kersten

Otto Kersten (23 December 1839 in Altenburg – 22 November 1900 in Altenburg) was a German chemist and geographer.

For the German trade union official, see Otto Kersten (trade unionist).
Otto Kersten (1869)

He studied chemistry and natural sciences at the University of Leipzig, and after graduation, worked as an assistant at the vocational school in Chemnitz. In 1862 he took part in Karl Klaus von der Decken's expedition in East Africa, where the two men made a partial ascent (4280 m) of Mount Kilimanjaro. In 1863 he traveled with von der Decken to the Seychelles and the Mascarenes, and during the following year, Kersten visited Madagascar, the Comoros and Mafia Island. In 1865 he returned to Europe.[1][2]

From 1870 he served at the German consulate in Jerusalem, and in 1875 became manager of a chemical factory in Berlin. In 1878, with Robert Jannasch, he founded the Zentralverein für Handelsgeographie (Central Association for Economic Geography). In 1883 he carried out economic geography research in Morocco.[1][2]

In 1869–79 he published Baron Carl Claus von der Decken's Reisen in Ost-Afrika in den Jahren 1859 bis 1865 ("Decken's journeys in East Africa in 1859–65"; 4 volumes). Its editors included Wilhelm Peters, Jean Cabanis, Franz Martin Hilgendorf, Eduard von Martens, Carl Eduard Adolph Gerstaecker, Otto Finsch, Gustav Hartlaub, et al.

Animals and plants with the specific epithets of kersteni and kerstenii commemorate his name; examples being Lygodium kerstenii (a fern species),[3] Rieppeleon kerstenii (Kenya pigmy chameleon),[4][5] and Pseudagrion kersteni (Kersten's sprite).[6] The Redspot Barb Enteromius kerstenii was also named for him.[7]

Taxon named in his honor
  • The Redspot Barb (Enteromius kerstenii) (W. K. H. Peters, 1868) is a species of freshwater cyprinid fish found in East Africa. It is named for the large, orange-red spot found on each operculum.[7]

References
  1. "Kersten" Meyers Großes Konversations-Lexikon. (in German).
  2. Biographisches Jahrbuch und Deutscher Nekrolog edited by Anton Bettelheim. (in German).
  3. The Eponym Dictionary of Southern African Plants Plant Names G-K.
  4. Rieppeleon kerstenii Reptile Database.
  5. Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. ("Kersten", p. 140).
  6. Water Dancers of SA's National Botanical Garden - SANBI.
  7. Christopher Scharpf & Kenneth J. Lazara (22 September 2018). "Order CYPRINIFORMES: Family CYPRINIDAE: Subfamily SMILIOGASTRINAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 7 October 2021.
  8. International Plant Names Index.  Kerst.
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