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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 21 (1949), S. 1032-1035 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Insectes sociaux 21 (1974), S. 309-316 
    ISSN: 1420-9098
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé Nous proposons une nouvelle méthode pour repérer les systèmes de nidification des Termites; nous l'éprouvons par des essais en milieu naturel sur des nids deMastotermes darwiniensis. Un appât attractif, contenant de l'oxyde de scandium-46 émetteur de rayons gamma, est introduit dans un endroit colonisé par ces Termites. L'appât est rapidement absorbé et emporté jusqu'aux nids où le scandium est réparti parmi les membres de la colonie par les échanges trophallactiques. En fin de compte, le scandium est excrété et les excrétions sont incorporées aux parois des galeries et aux cartons de toutes les structures annexes, qui peuvent alors être repérées au moyen d'un détecteur de rayons gamma. Nous décrivons aussi l'utilisation d'autres radio-isotopes sous forme de colloïdes dans des appâts similaires.
    Notes: Summary A new method for the tracing of termite nesting systems is proposed and proved in field trials withMastotermes darwiniensis nesting systems. An attractive bait containing γ-ray emitting scandium-46 oxide is inserted into an infested site. The bait is eaten rapidly and taken to the nests where trophallactic transfer spreads the scandium through the colony members. The scandium is finally excreted and the excreta fixed in the gallery walls and carton of all subcentres which can then be found using a γ-ray detector. The use of other radionuclides as colloids in similar bait is described. This new method appears to introduce a new concept into the tracing of social insects.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Grass and forage science 24 (1969), S. 0 
    ISSN: 1365-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The summer-donnancy period among collections of Phalaris tuberosa L. from the eastern Mediterranean region when grown at Davis, California, ranged from 30 to 127 days. Plants from the more arid sites of origin tended to exhibit the longer dormancy. There were exceptions, however, and these, together with the diversity of behaviour in this material, suggest that genotypes with a potential for increased summer growth may be selected for use on rangelands.
    Type of Medium: Electronic Resource
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