Population dynamics of freshwater snails (Mollusca: Gastropoda) at Qena Governorate, Upper Egypt
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چکیده
منابع مشابه
Anaemia among schoolchildren in Qena Governorate, Upper Egypt.
A study was carried out during January/February 2001 in Deshna and Armant Districts of Qena Governorate, Upper Egypt, to establish the prevalence of anaemia among schoolchildren aged 6 to 11 years and define appropriate control interventions in the area. Haemoglobin levels were measured directly in schools using a portable spectrophotometer. The mean (SD) level of haemoglobin in 1844 schoolchil...
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During 1994 a cross-sectional survey was carried out on a sample representative of the population in Qena Governorate, Upper Egypt, to investigate the relationship between intestinal helminthic infection among children and a wide range of variables (demographic, behavioural, cultural, socioeconomic, and environmental). Data were collected by direct observation and by administering a questionnai...
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We collected six species of freshwater snails from Dominica, including Biomphalaria kuhniana (Clessin, 1883), Gundlachia radiata (Guilding, 1828), Helisoma (=Planorbella) trivolvis (Say, 1817), Melanoides tuberculata (Müller, 1774), Neritina punctulata Lamarck, 1816, and Physa marmorata Guilding, 1828. Our collections indicate that un-reported species such as G. radiata and H. trivolvis are est...
متن کاملPrevalence of ischemic and hemorrhagic strokes in Qena Governorate, Egypt: community-based study.
BACKGROUND Stroke is a major health problem in developing countries. In a previous survey, the prevalence rate of stroke in the Nile Valley governorate of Assiut was significantly higher than other Arabic countries. In view of this, we carried out a follow-up study in a second Nile Valley governorate (Qena). METHODS A community-based, three-phase, door-to-door study with random sampling of 10...
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ژورنال
عنوان ژورنال: Egyptian Academic Journal of Biological Sciences, B. Zoology
سال: 2011
ISSN: 2090-0821
DOI: 10.21608/eajbsz.2011.14309