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Full-Text Articles in Physical Sciences and Mathematics
Retention Of Salmon-Derived N And P By Bryophytes And Microbiota In Mesocosm Streams, Michael G. (Michael George) Peterson, Robin A. Matthews
Retention Of Salmon-Derived N And P By Bryophytes And Microbiota In Mesocosm Streams, Michael G. (Michael George) Peterson, Robin A. Matthews
Environmental Sciences Faculty and Staff Publications
Annual migrations of anadromous salmon are an important source of nutrients for many coastal streams. Much of the current research on salmon-derived nutrients has focused on nutrient retention via carcass consumption by mammals, birds, and macroinvertebrates, whereas retention and transfer of nutrients by microbiota has received less attention. Our research objective was to investigate nutrient movement from decomposing salmon tissue into periphyton, bryophytes, leaf-pack microbiota, and amphipods in laboratory mesocosm streams. We measured δ15N of microbiota growing on unglazed tiles (periphyton), microbiota growing on leaf packs, bryophytes on partially submerged stones, and amphipods; C:N and C:P ratios of …