Publications

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Journal Article (11)

  1. 1.
    Journal Article
    Arts, M. T.; Rai, H.; Tumbler, V. P.: Effects of UV-A and UV-B radiation on carbon allocation in Synechococcus elongatus (cyanobacterium) and Nitzschia palea (diatom). Verhandlungen Internationale Vereinigung für Theoretische und Angewandte Limnologie 27, pp. 2000 - 2007 (2000)
  2. 2.
    Journal Article
    Arts, M. T.; Robarts, R. D.; Kasai, F.; Waiser, M. J.; Tumber, V. P.; Plante, A. J.; Rai, H.; de Lange, H. J.: The attenuation of ultraviolet radiation in high dissolved organic carbon waters of wetlands and lakes on the northern Great Plains. Limnology and Oceanography 45 (2), pp. 292 - 299 (2000)
  3. 3.
    Journal Article
    Rai, H.; Dockal, N.: Carbon flow into major end-products of photosynthesis in ultraphytoplankton from the deep chlorophyll maximum layer of the oligotrophic eastern Mediterranean Sea. New vistas in aquatic microbial ecology, pp. 147 - 166 (1999)
  4. 4.
    Journal Article
    Arts, M. T.; Rai, H.: Effects of enhanced ultraviolet-B radiation on the production of lipid, polysaccharide and protein in three freshwater algal species. Freshwater Biology 38 (3), pp. 597 - 610 (1997)
  5. 5.
    Journal Article
    Rai, H.; Arts, M. T.; Wainman, B. C.; Dockal, N.; Krambeck, H. J.: Lipid production in natural phytoplankton communities in a small freshwater Baltic lake, Lake Schöhsee, Germany. Freshwater Biology 38 (3), pp. 581 - 590 (1997)
  6. 6.
    Journal Article
    Meyer, B.; Rai, H.; Cronberg, G.: The thecal structure of Peridiniopsis amazonica spec. nov. (Dinophyceae), a new cyst-producing freshwater dinoflagellate from Amazonian floodplain lakes. Nova Hedwigia 65 (1-4), pp. 365 - 375 (1997)
  7. 7.
    Journal Article
    Rai, H.: The influence of photon flux density (PFD) on short term ¹⁴C incorporation into proteins, carbohydrates and lipids in freshwater algae. Hydrobiologia 308 (1), pp. 51 - 59 (1995)
  8. 8.
    Journal Article
    Lindell, M. J.; Rai, H.: Photochemical oxygen consumption in humic waters. Impact of UV-B radiation on pelagic freshwater ecosystems, pp. 145 - 155 (1994)
  9. 9.
    Journal Article
    Rai, H.: Influence of photon flux density and daylength on uptake and assimilation of carbon dioxide into major end products of photosynthesis of picoplanktonic cyanobacteria/algae (Synechococcus elongatus). Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie 25, pp. 2208 - 2213 (1994)
  10. 10.
    Journal Article
    Chróst, R. J.; Rai, H.: Ectoenzyme activity and bacterial secondary production in nutrient-impoverished and nutrient-enriched freshwater mesocosms. Microbial Ecology 25 (2), pp. 131 - 150 (1993)
  11. 11.
    Journal Article
    Lampert, W.; Fleckner, W.; Rai, H.; Taylor, B. E.: Phytoplankton control by grazing zooplankton: a study onthe spring clear-water phase. Limnology and Oceanography 31 (3), pp. 478 - 490 (1986)

Book Chapter (5)

  1. 12.
    Book Chapter
    Rai, H.: Estimating Heterotrophic Production of Bacterioplankton by Measuring Tritiated Thymidine. In: Pelagic Ecology Methodology, pp. 163 - 167 (Eds. Rao, S.; V., D.). A. A. Balkema Publishers, Lisse (2002)
  2. 13.
    Book Chapter
    Rai, H.: Electron Transport System (ETS Activity) as a Measure of Respiratory Activity of Microorganisms. In: Pelagic Ecology Methodology, pp. 169 - 175 (Eds. Rao, S.; V., D.). A. A. Balkema Publishers, Lisse (2002)
  3. 14.
    Book Chapter
    Rai, H.: Methods for Studying Physiological Ecology of Marine Phytoplankton: Measurement of Carbon Assimilation into Main Macromolecular End-Products (Proteins, Carbohydrates, Low Molecular Weight Metabolites and Lipids) of Photosynthesis in Freshwater and Marine Phytoplankton. In: Pelagic Ecology Methodology, pp. 177 - 187 (Eds. Rao, S.; V., D.). A. A. Balkema Publishers, Lisse (2002)
  4. 15.
    Book Chapter
    Rai, H.: Radioactive Isotope (¹⁴C Incorporation) Technique for Measuring Rate of Primary Production (Photosynthesis) and Photosynthetically Fixed Dissolved Organic Carbon (PDOC) of Phytoplankton. In: Pelagic Ecology Methodology, pp. 155 - 161 (Eds. Rao, S.; V., D.). A. A. Balkema Publishers, Lisse (2002)
  5. 16.
    Book Chapter
    Wainman, B. C.; Smith, R. E. H.; Rai, H.; Furgal, J. A.: Irradiance and lipid production in natural algal populations. In: Lipids in Freshwater Ecosystems, pp. 45 - 70 (Eds. Arts, M. T.; Wainman, B. C.). Springer, New York (1998)

Conference Paper (2)

  1. 17.
    Conference Paper
    Rai, H.; Jacobsen, T. R.: Dissolved alkaline phosphatase activity (APA) and the contribution APA by size fractionated plankton in Lake Schöhsee. Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie 25 (1), pp. 164 - 169 (1993)
  2. 18.
    Conference Paper
    Rai, H.: Patterns of photoassimilation of 14C-labeled bicarbonate into end-products of photosynthesis by Nitzschia palea as a function of photon flux density (PFD). In: Proceedings of International Symposium on Environmental Microbiology, pp. 127 - 142. Proceedings of International Symposium on Environmental Microbiology, Seoul, Korea, October 08, 1993 - October 10, 1993. Seoul National University, Seoul (1993)
 
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