| the evolution of north-east atlantic gadfly petrels using statistical phylogeography. | macaronesia (north-east atlantic archipelagos) has been host to complex patterns of colonization and differentiation in many groups of organisms including seabirds such as gadfly petrels (genus pterodroma). considering the subspecies of widely distributed soft-plumaged petrel for many years, the taxonomic status of the three gadfly petrel taxa breeding in macaronesia is not yet settled, some authors advocating the presence of three, two or one species. these birds have already been the subject o ... | 2013 | 23171163 |
| feather mercury concentrations in southern ocean seabirds: variation by species, site and time. | we studied mercury contamination in 25 seabird species breeding along a latitudinal gradient across the southern ocean, from gough island (40°s) through marion island (47°s) to byers peninsula (63°s). total mercury concentrations in body feather samples of adults caught at breeding colonies from 2008 to 2011 were determined. krill (euphausia spp.) and other zooplankton consumers had low mercury concentrations (gentoo penguin pygoscelis papua, chinstrap penguin pseudomonas antarctica, common divi ... | 2016 | 27267741 |