%0 conference lecture (invited) %@ %A Ebinghaus, R. %D 2008 %J Joint International Conference of the UNEP Global Partnership on Atmospheric Mercury Transport and Fate Research & Task Force on Hemispheric Transport pof Air Pollution of the UNECE-LRTAP Convention %N %P %T Spatial coverage and temporal trends of land-based atmospheric mercury measurements in the Northern and Southern Hemispheres %U %X