نتایج جستجو برای: corbicula fluminalis
تعداد نتایج: 453 فیلتر نتایج به سال:
دراین مطالعه میزان جذب مستقم نانوذرات اکسید روی توسط دوکفهای corbicula fluminea در دوره کوتاه مدت 48 ساعتی بررسی گردید. تعداد مورد نیاز دوکفهایcorbicula fluminea با دامنه طولی cm 9/0±5/2 از محیط طبیعی استحصال گردید. نمونهها به آزمایشگاه انتقال داده شدند و برای رفع استرس به مدت 10 در آکواریم قرار گرفتند. نانوذرات با استفاده از دستگاه التراسونیک با 400 دور در دقیقه پخش گردید. جهت یک فاز شدن...
Although gasoline is an important contaminant of aquatic ecosystems, information concerning the potential effects of this petroleum derivative on the DNA of aquatic biota is lacking. The present study aimed to evaluate the genotoxic and mutagenic effects of acute exposures (6, 24, and 96h) to gasoline water-soluble fraction (GWSF), diluted to 5%, on the Asian clam Corbicula fluminea. The comet ...
Assessment of the ecological quality of theMinho estuary (Northwest Iberian Peninsula) based on metal concentrations in sediments and in Corbicula fluminea The concentrations of metals (Cd, Cr, Cu, Fe, Ni, Pb and Zn) in sediments and the soft tissues of Corbicula fluminea from the Minho estuary (Northwest Iberian Peninsula) were determined to assess the spatial variation of metal bioavailabilit...
We examined whether environmentally relevant concentrations of different types of microplastics, with or without PCBs, directly affect freshwater prey and indirectly affect their predators. Asian clams (Corbicula fluminea) were exposed to environmentally relevant concentrations of polyethylene terephthalate (PET), polyethylene, polyvinylchloride (PVC) or polystyrene with and without polychlorin...
Corbicula fluminea is an aggressive invasive species of bivalve that arrived into the Río de la Plata River between the late 60's and early 70's, and dispersed widely throughout the Neotropical region, evidencing a great adaptive flexibility to different environmental conditions. This species is a functional hermaphrodite with larval incubation inside the inner demibranch. Despite its widesprea...
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