| mercury concentrations in northern two-lined salamanders from stream ecosystems in garrett county, maryland. | the purpose of this study was to increase our understanding of the bioaccumulation of mercury in northern two-lined salamanders (eurycea bislineata bislineata) in freshwater stream ecosystems. we collected 111 adults and 131 larval northern two-lined salamanders from six streams in garrett county, maryland. these salamanders were collected in april, july, and september 2010. we measured the size and tissue mercury content in all of these salamanders. we also measured the total and methyl mercury ... | 0 | 29332146 |