نتایج جستجو برای: barbus xanthopterus
تعداد نتایج: 635 فیلتر نتایج به سال:
در سال 1843 Luciobarbus mystaceus را توصیف نمود و اختلافات آن را با Barbus barbulus شرح داد.اما تا سالهای اخیر جایگاه این دو گونه در علم طبقه بندی آشکار نگردید(1945 ) Barbus آن را با Luciobarbus scheich و (1814 ) Barbus rajanorum , Cuprinus mystaceus Pallas مترادف دانست.همچنین(1945 ) Berg Cyprinus mystaceus را نیز به عنوان گونه مستقل و مترادف با B.mystaceus ندانست. (1971 ) Barbus mystaceus K...
This study evaluated whether the African cyprinid Barbus neumayeri from Rwembaita Swamp (low-oxygen) and Njuguta River (high-oxygen) in the Kibale National Park, Uganda differed in traits related to aerobic and anaerobic metabolic potential. Haematocrit was measured as an index of blood oxygen-carrying capacity, and tissue activities and isozyme composition of lactate dehydrogenase (LDH) were m...
Diet, Prey Selection and Biomass Consumption of the Great Cormorant (Phalacrocorax carbo) in Algeria
This is the first study on diet of Great Cormorant wintering in Algeria. It carried out Beni Haroun, largest dam lake country, north-east The trophic menu Phalacrocorax carboin this based four species fish; Abramis bramas, Carassius carassius, Barbus barbus and Cyprinus carpio. However, carassius represent two most important Cormorant’s diet. total consumed biomass 155,364.18 g, average contain...
This study described the behavior of the swamp-dwelling African cyprinid Barbus neumayeri in response to laboratory acclimation to normoxic and hypoxic conditions to detect costs associated with hypoxia exposure. Behavioral observations were conducted every two weeks over a four-week acclimation period in both normoxic and hypoxic conditions, and feeding trials were conducted after six weeks of...
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