In this study, based on molecular technique, 454-pyrosequencing of nifH gene, we investigated the community structure of diazotrophs in the OMZ of Costa Rica upwelling Dome in Eastern Tropical North P
Nitrogen (N2) fixation rates in the brackish Baltic Sea are among the highest per unit of area in the world. However, beyond the filamentous heterocyst-forming cyanobacteria, knowledge about the compo
