| mercury bioaccumulation and trophic transfer in the terrestrial food web of a montane forest. | we investigated mercury (hg) concentrations in a terrestrial food web in high elevation forests in vermont. hg concentrations increased from autotrophic organisms to herbivores < detritivores < omnivores < carnivores. within the carnivores studied, raptors had higher blood hg concentrations than their songbird prey. the hg concentration in the blood of the focal study species, bicknell's thrush (catharus bicknelli), varied over the course of the summer in response to a diet shift related to chan ... | 2010 | 19960247 |
| mercury concentrations in bicknell's thrush and other insectivorous passerines in montane forests of northeastern north america. | anthropogenic input of mercury (hg) into the environment has elevated risk to fish and wildlife, particularly in northeastern north america. investigations into the transfer and fate of hg have focused on inhabitants of freshwater aquatic ecosystems, as these are the habitats at greatest risk for methylmercury (mehg) biomagnification. deviating from such an approach, we documented mehg availability in a terrestrial montane ecosystem using a suite of insectivorous passerines. intensive and extens ... | 2005 | 15931968 |