%0 Journal Article %J Marine Ecology Progress Series %D 2008 %T Stable isotope addition reveals dietary importance of phytoplankton and microphytobenthos to saltmarsh infauna %A Galvan, K. %A Fleeger, J.W. %A Fry, B. %K food web %K infauna %K inorganic nutrients %K isotope addition %K LTER-PIE %K microphytobenthos %K organic matter %K phytoplankton %K population dynamics %K primary production %K saltmarsh %K stable isotopes %B Marine Ecology Progress Series %V 359 %P 37-49 %G eng %M PIE177 %] NSF-LTER-PIE %R 10.3354/meps07321 %F Journal Article %0 Journal Article %J Ecology %D 2000 %T Nitrogen biogeochemistry in the oligohaline zone of a New England estuary. %A Holmes, R. M. %A Peterson, B.J. %A Deegan, L. %A Hughes, J. %A Fry, B. %K 15N %K Actinocyclus normanii %K diatoms %K estuary %K inorganic nutrients %K land-margin ecosystem %K LTER-PIE %K nitrogen cycling %K oligohaline zone %K organic matter %K phytoplankton %K primary production %K silica %K stable isotopes %K terrestrial-aquatic linkage %B Ecology %V 81 %P 416-432 %G eng %M PIE34 %] NSF-LTER-PIE %R 10.2307/177437 %F Journal Article %0 Journal Article %J Ecology %D 2000 %T Nitrogen flow through the food web in the oligohaline zone of a New England estuary. %A Hughes, J. E. %A Deegan, L.A. %A Peterson, B.J. %A Holmes, R.M. %A Fry, B. %K 15N-tracer %K Actinocyclus normanii %K benthivore %K copepod %K detritus %K diatoms %K disturbance %K food web %K inorganic nutrients %K intertidal %K LTER-PIE %K macrofauna %K nitrogen %K oligohaline zone %K planktivore %K population dynamics %K primary production %B Ecology %V 81 %P 433-452 %G eng %M PIE38 %] NSF-LTER-PIE %R 10.2307/177438 %F Journal Article %0 Journal Article %J Marine Chemistry %D 1998 %T Measuring 15N-NH4 in marine, estuarine, and freshwaters: an adaptation of the ammonium diffusion method for samples with low ammonium concentrations. %A Holmes, R.M. %A McClelland, J. %A Sigman, D.M. %A Fry, B. %A Peterson, B.J. %K ammonium %K analytical methods %K diffusion %K estuarine %K fresh water %K inorganic nutrients %K N-15 %K PIE LMER %K sea water %B Marine Chemistry %V 60 %P 235-243 %G eng %M PIE3 %R 10.1016/S0304-4203(97)00099-6 %F Journal Article