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  • 11
    Electronic Resource
    Electronic Resource
    Mountain streams of the Barberton area, Eastern Transvaal. Part I, A survey of the fauna (1966)
    Springer
    Hydrobiologia 27 (1966), S. 401-438 
    Details
    ISSN: 1573-5117
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary This paper records the results of a faunistic survey of the mountain streams of the Barberton area of the Eastern Transvaal. Sampling was carried out in five different biotopes; cascades, sprayed flanking regions, stickles, backwaters and pools. Netting of the adults and imagos and breeding out of the larvae of Chironomidae, Odonata and Ephemeroptera was done. The faunal affinities were assessed by a comparison of the mayfly fauna of this area with that reported in other surveys conducted in Africa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00042703
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    Paper (German National Licenses)
    Fulltext
  • 12
    Electronic Resource
    Electronic Resource
    Mountain streams of the barberton area, eastern transvaal. Part II, the effect of vegetational shading and direct illumination on the distribution of stream fauna (1966)
    Springer
    Hydrobiologia 27 (1966), S. 439-459 
    Details
    ISSN: 1573-5117
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary During the survey reported in Part I, it became apparent that vegetational shading affected the incidences of certain species. The extent to which the distribution of stream fauna is influenced by direct or indirect consequences of shade or illumination was examined and an attempt was made to determine which species or groups are affected. Three pairs of comparable sampling stations (stickles) were selected on the basis of their physical similarity, one of each pair being shaded and the other illuminated. Samples taken from these stations were compared and species found predominantly in shaded or exposed reaches were assessed. Although certain species appeared influenced in their distribution, it appears that the population density is minimally affected and there is no overall effect on any group or family.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00042704
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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