Microbial assimilation of DIN in a nitrogen rich estuary:implications for food quality and isotope studies

The a s s i m l a t ~o n of dissolved inorganic N (DIN) by heterotrophic microorganisms is a potentially large source of organic N to aquatic ecosystems particularly those that receive hlgh loads of both terrestrial organlc matter (with high C N values) and DIN Mie investigated this rarely studied process m such a system (the Hudson River Estuary USA) using ( Sim~larly in m i c ~o c o s ~n s