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  • C. S. Lewis  (1)
  • Key words Plant roots  (1)
  • Mars  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Last Judgment: The Visionary Biology of J. B. S. Haldane (2000)
    Springer
    Journal of the history of biology 33 (2000), S. 457-491 
    Details
    ISSN: 1573-0387
    Keywords: J. B. S. Haldane ; biology ; politics ; genetics ; evolution ; population genetics ; physiology ; Darwinism ; experimental biology ; eugenics ; Britain ; Russia ; India ; Soviet ; Communism ; socialism ; philosophy ; vision ; literature ; popularization ; religion ; human experimentation ; bioethics ; Venus ; Mars ; science fiction ; technocracy ; futurology ; H. G. Wells ; Julian Huxley ; Olaf Stapledon ; C. S. Lewis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , History
    Notes: Abstract This paper seeks to reinterpret the life and work of J. B. S. Haldane by focusing on an illuminating but largely ignored essay he published in1927, “The Last Judgment” – the sequel to his better known work, Daedalus (1924). This astonishing essay expresses a vision of the human future over the next 40,000,000 years, one that revises and updates Wellsian futurism with the long range implications of the “new biology” for human destiny. That vision served as a kind of lifelong credo, one that infused and informed his diverse scientific work, political activities, and popular writing, and that gave unity and coherence to his remarkable career.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004891323595
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  • 2
    Electronic Resource
    Electronic Resource
    The redistribution of soil water by tree root systems (1998)
    Springer
    Oecologia 115 (1998), S. 306-311 
    Details
    ISSN: 1432-1939
    Keywords: Key words Plant roots ; Hydraulic lift ; Water use ; Sap flow
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Plant roots transfer water between soil layers of different water potential thereby significantly affecting the distribution and availability of water in the soil profile. We used a modification of the heat pulse method to measure sap flow in roots of Grevillea robusta and Eucalyptus camaldulensis and demonstrated a redistribution of soil water from deeper in the profile to dry surface horizons by the root system. This phenomenon, termed “hydraulic lift” has been reported previously. However, we also demonstrated that after the surface soils were rewetted at the break of season, water was transported by roots from the surface to deeper soil horizons – the reverse of the “hydraulic lift” behaviour described for other woody species. We suggest that “hydraulic redistribution” of water in tree roots is significant in maintaining root viability, facilitating root growth in dry soils and modifying resource availability.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004420050521
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