Phytoplankton processes during a mesoscale iron enrichment in the NE subarctic Pacific: Part I-Biomass and assemblage

By A. Marchetti, Nelson D. Sherry, H. Kiyosawa, Atsushi Tsuda, P. Harrison. 2006

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Pseudo-nitzschia (Bacillariophyceae) species, domoic acid and amnesic shellfish poisoning: revisiting previous paradigms (2012, background): “Furthermore, such seed populations are capable of responding rapidly to periodic inputs of iron from aeolian deposition or intermittent upwelling and mixing (Marchetti et al. 2006b; Silver et al. 2010).”
Evidence for the grazing hypothesis: Grazing reduces phytoplankton responses of the HNLC ecosystem to iron enrichment in the western subarctic pacific (SEEDS II) (2007, methodology): “In SERIES, the bloom was mainly composed of oceanic diatoms such as Pseudonitzschia spp., N. seminae and Chaetoceros convolutus ( Marchetti et al., 2006a ), which were also the common diatom species in SEEDS II. We thus might have expected a diatom bloom of the same magnitude to SERIES in SEEDS II. ”
Coupled changes in the cell morphology and elemental (C, N, and Si) composition of the pennate diatom Pseudo‐nitzschia due to iron deficiency (2007, methodology): “Margalef (1969) observed distinct peaks in the distribution of size in sedimented frustules of freshwater diatoms.”