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  • Articles  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    The method of response functions in ecology (1991)
    Springer
    International journal of biometeorology 35 (1991), S. 239-251 
    Details
    ISSN: 1432-1254
    Keywords: Modelling ; Ecology ; Response functions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract This article describes the further development and new applications of the already well-known method of response functions. This method is used to present the quantitative evaluation of the reactions of various ecological and biological systems to environmental impacts. Two ecological problems were chosen as examples: the model of growth and development of cereal crops and the model of pollutant dynamics in the elementary ecosystem. In each case the results are given of the evaluation of parameters and the testing of models. It is shown that the method of response functions allows resolution of the wide range of ecological problems with sufficient accuracy, and some new theoretical results are presented. For example, based on the existing hypotheses of higher plant development, a biological time scale has been worked out. The method was elaborated to determine the minimum time of development, which is a genetically stipulated characteristic of a species and is realized when all environmental factors are optimal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01047292
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  • 2
    Electronic Resource
    Electronic Resource
    Voucher specimens: A way to protect the value of your research (1990)
    Springer
    Biology and fertility of soils 9 (1990), S. 93-94 
    Details
    ISSN: 1432-0789
    Keywords: Voucher specimens ; Biology ; Ecology ; Taxonomy ; Soil animals ; Soil biologist
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Voucher specimens ensure that the identity of organisms studied in the field or in laboratory experiments can be verified, and ensure that new species concepts can be applied to past research. Guidelines on the collection, preparation, and deposition of voucher specimens and means of referral to them are given. Type specimens and the nomenclature of species names are briefly described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00335789
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    Paper (German National Licenses)
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