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pro vyhledávání: '"G. W. Pendleton"'
Publikováno v:
Archives of Environmental Contamination and Toxicology. 24:206-212
Egg and bone of passerine birds nesting in acidified habitats may be affected by high levels of Al or P, or low levels of Ca. Nine treatments of three levels of dietary Al (target levels of 200, 1,000, and 5,000 μg/g) and three levels of Ca:P (targe
Publikováno v:
Archives of Environmental Contamination and Toxicology. 22:55-62
High concentrations of arsenic (As) and selenium (Se) have been found in aquatic food chains associated with irrigation drainwater. Total biomass of invertebrates, a major source of protein for wild ducklings, may vary in environments that are contam