Taking the trophic bypass : aquatic-terrestrial linkage reduces methylmercury in a terrestrial food web - Bartrons Vilamala, Mireia (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Gratton, Claudio (University of Wisconsin. Department of Entomology) ; Spiesman, Brian J. (University of Wisconsin. Department of Entomology) ; Vander Zanden, M. Jake (University of Wisconsin. Department of Limnology)