Richard Kolkwitz

Richard Kolkwitz ( born March 23, 1873 in Berlin, † April 16, 1956 ) was a German botanist. Its official botanical author abbreviation is " Kolkw. ".

Life and work

Kolkwitz studied from 1881 Science at the University of Berlin, especially when Adolf Engler and Simon Schwendenerstrasse. In 1895 he became the Dr. phil. doctorate. 1895 to 1900 he was a research assistant to Leopold Kny ( 1841-1916 ) at the University of Berlin. From 1898, Associate Professor of Botany and at the same time in 1898 at the Agricultural College in Berlin.

From 1901 to 1938 he was Head of the Biological Department of the Prussian test and Testing for water supply and sanitation Berlin and at the same time professor of botany at the University of Berlin. From 1946 to 1953 he was a professor with tenure of Botany and 1951-1953 also director of the Botanical Department of the Faculty of Veterinary Medicine of the Humboldt University in Berlin. In 1954 he became a professor with tenure of Botany at the Free University of Berlin.

Richard Kolkwitz has developed together with Maximilian Marsson (1845-1909) the basis for the method used today Biological water quality determination with the saprobic system by this ( without fish ) named as bioindicators initially about 300 plant and 500 animal species, with the help of which formed by them Saprobienstufen ( oligosaprobic, alpha- and betamesoprob, polysaprob ) are defined.

In Rabenhorst 's cryptogamic flora of Germany, Austria and Switzerland Kolkwitz has edited several groups of algae, including dinoflagellates ( Peridineae ) and the Zygnemales. To determine the number of cells and cell aggregates of phytoplankton it has a special device developed named after him Kolkwitzkammer.

In the autobiography of Vincenz Brehm, who got to know him in Lunz 1940, Kolkwitz is portrayed as uncommonly amiable and downright naive man.

Honors

  • The monotypic genus Kolkwitzia with the kind K. amabilis is named after Kolkwitz.
  • In the Berlin district of Karl Horst, a pedestrian and bicycle path is named after Kolkwitz.

Writings

  • R. Kolkwitz, M. Marsson: Ecology of plant Saprobien. In: Journal of the American Botanical Society, Volume 26a, pp. 505-519. (1908 )
  • R. Kolkwitz, M. Marsson: ecology of animal Saprobien. Contributions to the theory of biological water evaluation. In: International Review of the entire Hydrobiology and Hydrography, Volume 2, pp. 126-152. (1909 )
  • The current status of the new biological treatment process with activated sludge (1926 )
  • The hospital area the State Institute for Water, Soil and Air Hygiene, Berlin- Dahlem, in botanical and biological terms. League of Nations ( [ Gent ] 1927)
  • Small Atlas of halophytes / Lfg 1 / Spring and Summer flowering (1927 )
  • The flora around Berlin (1933 )
  • Plant physiology: experiments and observations at higher and lower plants including bacteriology and Hydrobiology with plankton customer. Fischer, Jena 1935
  • Zygnemales. Akad ET -Ges., Leipzig 1941
  • Dr. L. Rabenhorst 's cryptogamic flora ... / Vol 13, Division 2, Lfg 3 / Systematic part ( 1941)
  • Dr. L. Rabenhorst 's cryptogamic flora ... / Vol 13, Division 2, Lfg 2 / Systematic part ( 1941)
  • Dr. L. Rabenhorst 's cryptogamic flora ... / Vol 13, Division 2, Lfg 1 / General and literature together with register ( 1941)
  • Simple analysis of soil and water with views of the Soil and Water customer. Fischer, Jena 1941
  • Ecology of Saprobien. Piscator, Stuttgart 1950
Kolkwitzia amabilis Karlshorst International Plant Names Index Name Authority File
682351
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