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  • 1
    Electronic Resource
    Electronic Resource
    Effect of human treading on enchytraeid fauna of hornbeam-oak forests in Hungary (1987)
    Springer
    Biology and fertility of soils 3 (1987), S. 91-93 
    Details
    ISSN: 1432-0789
    Keywords: Enchytraeid fauna ; Human treading ; Coenological survey ; Hornbeam-oak forests ; Hiking trails ; Fridericia conculcata
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The effect of human treading on the composition of the enchytraeid fauna was studied on hiking trails in hornbeam-oak forests in Hungary. Compaction of the soil due to continuous treading has an unfavourable influence on the enchytraeid fauna, with density and species richness decreasing significantly. However, an interesting result is that one species, Fridericia conculcata, prefers these heavily trodden areas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00260585
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Christensenia, a new terrestrial enchytraeid genus from Antarctica (1997)
    Springer
    Polar biology 17 (1997), S. 482-486 
    Details
    ISSN: 1432-2056
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Christensenia gen. nov., C. blocki sp. nov., is described from Signy Island, South Orkney Islands, maritime Antarctic. The new species is identical with specimens that Stephenson (1932) determined as Marionina georgiana (Michaelsen, 1888), but differs from the type material of M. georgiana. The species M. georgiana (Michaelsen, 1888) is also placed in the new genus Christensenia, the main characteristics of which are: possession of sigmoid setae, and the presence of large numbers of small, hyaline, stick-like, anucleate lymphocytes. No other types of lymphocyte are observed. Oesophageal appendages and intestinal diverticulae are absent. Dorsal vessel originates in the clitellar region; blood is colourless. The anteseptal part of the nephridium consists of the funnel and a few canals, with the efferent duct arising postero-ventrally. Spermathecae are without diverticulae, entally connecting with the oesophagus. The known distribution of the genus is currently limited to terrestrial habitats in the sub- and maritime Antarctic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003000050146
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    Paper (German National Licenses)
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