Credit: NGA LTER

Credit: NGA LTER

Although glacial input leads to high iron concentrations during summer and fall within the narrow Alaska Coastal Current, the ratio of iron to nitrate over the Northern Gulf of Alaska shelf in spring can be low enough to lead to nutritional stress in diatoms. This mismatch in essential nutrients likely affects phytoplankton community evolution during the spring bloom.

Learn more

  1. Aguilar-Islas, AM et al. 2016. Temporal variability of reactive iron over the Gulf of Alaska shelf. Deep-Sea Res. II. doi: 10.1016/j. dsr2.2015.05.004

Contact

Russell Hopcroft
rrhopcroft@alaska.edu

Posted:  July 10, 2020