Heavy metals in laughing gulls: Gender, age and tissue differences
作者： Michael Gochfeld , Jerrold L. Belant , Tara Shukla , Tom Benson , Joanna Burger
关键词: Toxicology 、 Heavy metals 、 Larus atricilla 、 Chemistry 、 Animal science 、 Cadmium 、 Muscle tissue 、 Selenium 、 Mercury (element) 、 Feather 、 Tissue distribution
摘要: The authors examined concentrations of lead, cadmium, mercury, manganese, selenium, and chromium in feathers, liver, kidney, heart, muscle known-aged laughing gulls (Larus atricilla) that hatched Barnegat Bay, New Jersey were collected at John F. Kennedy International Airport, York 1 to 7 years later. Concentrations differed significantly among tissues, tissue entered all the regression models explaining greatest variation metal levels. Age bird contributed for chromium. Although there significant gender differences body measurements except wing length, few Males had higher lead levels females selenium heart tissue. For 3-year olds highest lower thereafter. Mercury feathers decreased with age. Cadmium increased age muscle, although was a slight decrease 7-year olds. Selenium tissues. Chromium liver heart.
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