Browsing Faculty of Science & Technology (FST) by Author "Imbamba, Simeon K"

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    • Biomass Dynamics Of Grassland Vegetation In Kenya 

      Boutton, Thomas W; Tieszen, Larry L; Imbamba, Simeon K (University of Nairobi, 1988-06)
      Seasonal changes in plant biomass in the herb layer were measured at Nairobi National Park and Masai Mara Game Reserve in Kenya from January 1980 to February 1981. Plant biomass fluctuated in response to seasonal rainfall, ...

    • The Distribution Of C3 And C4 Grasses And Carbon Isotope Discrimination Along An Altitudinal And Moisture Gradient In Kenya 

      Tieszen, Larry L; Senyimba, Michael M; Imbamba, Simeon K; Troughton, John H (University of Nairobi, 1979)
      More than 500 species of the Poaceae are found in Kenya, East Africa. Eighteen of twenty-seven tribes are exclusively (except the Paniceae and Danthonieae) of the C3 photosynthetic type. A floristic analysis of low altitude ...

    • Effect of Atrazine on Physiological Processes in Leaves 

      Imbamba, Simeon K; Moss, Dale N (University of Nairobi, 1971)
      We fed 2-chloro-4-(ethylamino)-6-(isopropylamino-s-triazine (atrazine) through the base of excised leaves of atrazine-tolerant and -susceptible species. Atrazine suppressed CO2 uptake in all species. This was shown to be ...

    • Gas Exchange Of Finger Millet Inflorescences 

      Tieszen, Larry L; Imbamba, Simeon K (University of Nairobi, 1978)
      The growth and development of finger millet [Eleusine coracana (L.) Gaertn.] inflorescences is described. The respiration rate on a dry weight basis remained uniform until it decreased during the later stages of seed filling ...

    • Use of δ13C values to determine vegetation selectivity in East African herbivores 

      Tieszen, Larry L; Hein, Dennis; Qvortrup, Svend A; Troughton, John H; Imbamba, Simeon K (University of Nairobi, 1979)
      The quantitative plant species composition of the rumen contents of a large number of individuals from eight East African herbivores was determined by direct visual analysis. All plant species were classified as either C3 ...