نتایج جستجو برای: trachylepis vittata
تعداد نتایج: 457 فیلتر نتایج به سال:
Environmental parameters, such as food level and water temperature, have been shown to be major factors influencing pearl oyster shell growth and molecular mechanisms involved in this biomineralization process. The present study investigates the effect of food level (i.e., microalgal concentration) and water temperature, in laboratory controlled conditions, on the last stages of pearl mineraliz...
Four species of shellfish (Mytilus galloprovincialis, Ostrea edulis, Chlamis varia and Venus verrucosa) were collected during the autumn 2011 and spring 2012 along the eastern Adriatic coast from six shellfish harvesting areas (all species) and 13 breeding sampling areas (mussels) to assess As, Cd, Hg and Pb levels and the human risks of shellfish consumption. The mean metal concentrations (wet...
We examined the stomach contents of 21 specimens of Mabuya agilis (Sauria; Scincidae) collected during February 2001 at the restinga habitat of Praia do Sul, in Ilha Grande, RJ, Brazil. Diet was composed of various types of small arthropods, with no plant material being eaten. Spiders were the most important items in the diet, followed by orthopterans. Apart from the absence of isopterans, the ...
We report the first successful extraction of oyster DNA from a pearl and use it to identify the source oyster species for the three major pearl-producing oyster species Pinctada margaritifera, P. maxima and P. radiata. Both mitochondrial and nuclear gene fragments could be PCR-amplified and sequenced. A polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay in the i...
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