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  • 1
    Electronic Resource
    Electronic Resource
    Aquatic snails of the Jonglei region, southern Sudan, and transmission of trematode parasites (1984)
    Springer
    Hydrobiologia 110 (1984), S. 247-271 
    Details
    ISSN: 1573-5117
    Keywords: Sudan ; Mollusca ; Gastropoda ; fresh water snails ; trematode parasites ; schistosomiasis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract An account is given of the aquatic gastropod molluscs obtained in a survey made to assess future ecological effects of the Jonglei Canal now under construction in the Sudd region of southern Sudan. A total of about 23 species of aquatic snail lives in this region, of which a number are utilised as intermediate hosts by trematode parasites infecting man, livestock and wild herbivores, causing the diseases schistosomiasis, fascioliasis and amphistomiasis. Public health and veterinary authorities should be alert to the possibility that the Jonglei Canal will increase snail populations and raise the prevalence of parasitic diseases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00025797
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Freshwater snails of Oman, South Eastern Arabia (1985)
    Springer
    Hydrobiologia 127 (1985), S. 125-149 
    Details
    ISSN: 1573-5117
    Keywords: Mollusca ; Gastropoda ; freshwater snails ; Arabia ; Oman ; schistosomiasis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A systematic account is given of the extant freshwater snail fauna of Oman, based on recent collections made in Dhofar and in the northern mountainous areas. Also included are certain species found in brackish coastal localities. A total of 8 freshwater species is regarded as belonging to the fauna of normal freshwater; 7 have been found alive (Thiara scabra, Melanoides tuberculata, Lymnaea natalensis, Gyraulus piscinarum, Biomphalaria arabica, Bulinus wrighti and Indoplanorbis exustus) and one is known only as shells (Paludestrina glaucovirens). This report of G. piscinarum is the first for Oman and may be the first reliable identification for Arabia. Three taxa from brackish water, Gangetia miliacea, Iravadia quadrasi and Melanoides sp., are new for the fauna of Oman and of the whole Arabian peninsula. The finding of G. miliacea provides the first instance of any member of the Stenothyridae living west of the Gulf of Oman and identified from whole snails rather than empty shells. I. quadrasi is the first member of its genus to be found alive west of the Gulf of Oman.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00004192
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Freshwater snails of East Caprivi and the lower Okavango River Basin in Namibia and Botswana (1992)
    Springer
    Hydrobiologia 246 (1992), S. 9-40 
    Details
    ISSN: 1573-5117
    Keywords: Mollusca ; Gastropoda ; freshwater snails ; taxonomy ; distribution ; Africa ; Namibia ; Botswana ; Okavango River
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A systematic account is given of the aquatic gastropod fauna of the lower Okavango River in Namibia and Botswana, and of the East Caprivi area in Namibia, based on collections made mostly in 1983–86 from about 100 different sites. A total of 20 living species are reported, 9 of them for the first time from this area: Bellamya monardi, Lobogenes michaelis, Cleopatra elata, Afrogyrus coretus, Segmentorbis angustus, S. kanisaensis, Bulinus scalaris, B. depressus and B. tropicus. All are found outside this area and most are widely distributed Afrotropical species. Some do not occur farther south than the Okavango Delta, while others reach a south-western limit here but occur at greater latitude in the eastern tropical corridor on the coast of Natal. Bulinus globosus and Biomphalaria pfeifferi occur throughout the study area and are intermediate hosts for schistosome parasites of man and livestock.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00005620
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    Paper (German National Licenses)
    Fulltext
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