منابع مشابه
The mammals of Anzali Wetland, in the Southern Caspian Sea
Anzali Wetland as a listed habitat in Montreux Record, was investigated for the mammal fauna during Jan. 2015 - Jan. 2016. About 165 km of water bodies and 200 km around Anzali Wetland were patrolled, respectively. By applying different methods, such as direct observation, different signs recording, using different sampling traps, nets and camera traps, twenty mammal species were identified fro...
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T HE effects of administering sea water and similar solutions to animals, and occasionally to human beings, have been studied sporadically. Semipopular accounts of the gross effects of the drinking of sea water by shipwreck victims exist (I). During World War II the torpedoing of ships at sea and the loss of planes over open ocean, setting survivors adrift in lifeboats and on rafts, gave impetu...
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What happens when you get rid of P granules? Mutants that fail to partition P granules to the P lineage are viable and fertile, suggesting that P granules are not essential to distinguish soma from germline in embryos. Mutations in individual P-granule components lead to sterility at high temperature and impaired translational control of at least some mRNAs. What happens when germ cells lack al...
متن کاملArsenic in marine mammals, seabirds, and sea turtles.
Although there have been numerous studies on arsenic in low-trophic-level marine organisms, few studies exist on arsenic in marine mammals, seabirds, and sea turtles. Studies on arsenic species and their concentrations in these animals are needed to evaluate their possible health effects and to deepen our understanding of how arsenic behaves and cycles in marine ecosystems. Most arsenic in the ...
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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: Nature
سال: 1988
ISSN: 0028-0836,1476-4687
DOI: 10.1038/334383a0