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Extra resources for Biogeochemical Cycling of Mineral-Forming Elements
Gleichgewicht und Puffersystems. Ruhlands Handbuch der Pflanzenphysiologie, Vol. 5. Springer, Berlin, pp. 1-11. , 1960b. Kohlendioxid im Meerwasser. Ruhlands Handbuch der Pflanzenphysiologie. Vol. 5, Springer, Berlin, pp. 47-61. H. T. (Editors), 1969. Penetration of calcium carbonate substrates by lower plants and invertebrates. Am. , 9 : 629-1020. , 1977. T h e effect of sulphide o n the blue-green algae of h o t springs. 11. Yellowstone National Park. Microb. , 3 : 79-105. E. , 1970. Calcium carbonate saturation in seawater: Effects of dissolved organic matter.
Projection of biogeochemical cycling through geological time relies on interpretation of geological and palaeontological evidence which becomes increasingly limited beyond the Cambrian. Stable isotopes and the fossil evidence of microstructures and stromatolites provide some insight into the early biogeochemistry of, for example, carbon and sulfur, but for the majority of elements, there appears t o be no geological evidence which can be readily equated with biological activity. In these instances, our notions of past biogeochemical events rely entirely on extrapolation from the observed processes occurring in the modern environment.
Ecological implications of metal metabolism by microorganisms. Annu. Rev. , 29: 61-77. E. (Editor), 1978. Environmental Biogeochemistry and Geomicrobiology, 3 Vols. Ann Arbor Science, Ann Arbor, 1052 pp. W. , 1964. The role of sulfide in preventing heavy metal toxicity in anaerobic treatment. Water Pollut. Control Fed. , 37: 393-409. L. , 1964. The effects of sulfides on anaerobic treatment. 19th Industrial Waste Conference, Purdue University. Proceedings, pp. 343-347. , 1976. Selenium in biological systems, and pathways for its volatilization in higher plants.