نتایج جستجو برای: صدف nodonta cygnea
تعداد نتایج: 432 فیلتر نتایج به سال:
The freshwater mussel Anodonta cygnea is commonly used as a model organism for biomineralization studies, its peculiar morphofunctional properties also make it an excellent environmental biomonitor. The first detailed on the calcareous concretions from gill and mantle tissue, as well as fluids of the freshwater bivalve A. cygnea, supported by histological, scanning, spectrometry, and spectrosco...
Suspension-feeding bivalves are considered efficient toxin vectors with a relative insensitivity to toxicants compared to other aquatic organisms. This fact highlights the potential role of detoxification enzymes, such as glutathione transferases (GSTs), in this bivalve resistance. Nevertheless, the GST system has not been extensively described in these organisms. In the present study, cytosolic...
The objectives of the survey were to analyse the structure of the mollusc communities in the mining subsidence reservoirs that were created as a result of land subsidence over exploited hard coal seams and to determine the most predictive environmental factors that influence the distribution of mollusc species. The reservoirs are located in urbanised and industrialised areas along the Trans-Reg...
background: anzali wetland has been subjected to high levels of pollution due to contamination from several industrial sites in addition to agricultural chemicals. mussels have been widely used for monitoring pollution in aquatic ecosystems, because they, as filter feeders, bioaccumulate pollutants. therefore we decided to evaluate anodonta cygnea for its application as a bio-monitor for copper...
برای بررسی ترکیبات معدنی صدف معدنی تولیدی در شهرستان کوثر استان اردبیل، دو آزمایش انجام شد. در آزمایش اول در 6 نمونه مرکب و یک نوع صدف تجاری، میزان کلسیم، فسفر، منیزیم، فلوئور و فلزات سنگین تعیین و میزان حلالیت در اسید کلریدریک 1/0 نرمال و آب مقطر دوبار تقطیر، انجام شد. فقط میزان کلسیم و حلالیت صدف اردبیل کمتر از صدف تجاری بود(05/0p<). در آزمایش دوم از 240 قطعه جوجه گوشتی جنس نر سویه راس 308 در...
Two new species of the caddisfly genus Cernotina Ross, 1938 (Polycentropodidae) are described from the lowland Amazon basin of Ecuador, Cernotina tiputini, new species, and Cernotina waorani, new species. These represent the first new species described from this region. We also record from Ecuador for the first time Cernotina hastilis Flint, previously known from Tobago, and present new Ecuador...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید