WebJun 1, 2013 · The species was a major determinant of Hg contamination, with feather Hg concentrations being lower in the oceanic species (king and crested penguins) than in the coastal one (gentoo penguin). In all species however, feather Hg concentrations were higher in adults than in chicks, reflecting the different periods of Hg bioaccumulation in the … WebNichols et al. 2010Whitney and Cristol 2024a, ). Feathers reflect circulating levels of MeHg at the time they were formed. Specific feathers can represent different, discrete periods of exposure throughout an individual’s life history because molting patterns are often documented and pre-dictable (Ramos et al. 2009). Over 95% of Hg in feathers
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WebJun 25, 2024 · Bulwer's petrels were used as biomonitors of Hg levels in the mesopelagic domain. • Atlantic colonies showed higher Hg concentrations than those from the Pacific. … WebWe also measured Hg levels in secondary feathers of raptor birds. Paired samples t-test showed that the concentrations of mercury were significantly higher (p<0.001) in the tail … geofencing advertising cost
Non-invasive biomonitoring of mercury in birds near thermal …
WebThe mean feather Hg concentration for this species was 17 times greater for samples collected from 2008 to 2015 than those collected from 1871 to 1894, ... WebRMKHR816 – Amaranth species 1, prince's feather, Amaranthus hypochondriacus 2, love lies bleeding, Amaranthus caudatus 3, globe amaranth, Gomphrena globosa 4, and redroot pigweed, Amaranthus retroflexus 5. Handcoloured copperplate engraving after Mario Cammerari from Professor Filippo Arena's La natura e cultura dei fiori fisicamente … WebSep 1, 2016 · Ivory gull Pagophila eburnea, feather Hg was exceptionally high, while glaucous gull Larus hyperboreus feather Hg was unexpectedly low, and ratios of feather THg to egg THg varied across species. The proportion of total Hg that was comprised of methyl Hg in ivory gull feathers was lower than in other species, and may be related to … geofencing advertising google