Bearhop, S., Waldron, S., Thompson, D., and Furness, R.W. (2000) Bioamplification of mercury in great skua Catharacta skua chicks: The influence of trophic status as determined by stable isotope signatures of blood and feathers. Marine Pollution Bulletin, 40 (2). pp. 181-185. ISSN 0025-326X (doi:10.1016/S0025-326X(99)00205-2)
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Publisher's URL: http://dx.doi.org/10.1016/S0025-326X(99)00205-2
Biomagnification of mercury was investigated via combined mercury and stable isotope analysis of the blood and feathers of great skua chicks from two colonies in the north-east Atlantic. There were significant positive correlations between delta(15)N signatures and mercury concentrations in the blood from chicks at both colonies suggesting that dietary specialization influences intraspecific variability in mercury burdens. The relationships were slightly weaker in feathers and therefore blood is probably a better monitoring unit. Adult blood was also assessed and in terms of biomonitoring may provide an index of mercury intake over the whole breeding season.
|Glasgow Author(s):||Furness, Prof Robert|
|Authors:||Bearhop, S., Waldron, S., Thompson, D., and Furness, R.W.|
|Subjects:||Q Science > QH Natural history > QH301 Biology|
G Geography. Anthropology. Recreation > GC Oceanography
|College/School:||College of Medical Veterinary and Life Sciences > Institute of Biodiversity Animal Health and Comparative Medicine|
College of Science and Engineering > Scottish Universities Environmental Research Centre
|Journal Name:||Marine Pollution Bulletin|