diatoms
diatoms on World Data Ocean: a running collection of 2 stories we have gathered and hand-picked because they are worth your time. Every post here touches on diatoms in some way — the news, the analysis, the deep dives, and the occasional surprise find. A Global Hub for Ocean Intelligence 4 World Data Ocean is a centralized digital platform where researchers, scientists, and ocean enthusiasts converge to explore, analyze, and… New stories are added to this page as we find them, so check back if you want to keep up with what is happening around diatoms, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything World Data Ocean is covering right now.
Regional oceanographic controls on water column nitrogen fixation in northern Australian waters
A comprehensive study of northern Australian waters reveals critical regional oceanographic controls on nitrogen fixation. Researchers analyzed Trichodesmium blooms—visible through satellite imagery—and associated diazotrophic communities from Townsville to Broome, measuring carbon and N2 fixation rates alongside phytoplankton populations. Cluster analysis identified distinct hydrographic regions, with the Timor Sea exhibiting notably high N2 fixation rates, sometimes exceeding 1 mmol N m−2d−1. Trichodesmium contributed significantly to primary production, reaching up to 25%, and highlighted a partitioning of nitrogen fixation across various phytoplankton groups.
End-to-end modeling for the Ross Sea Region Marine Protected Area: a review of available tools for conservation objectives
Protecting marine ecosystems demands sophisticated modeling approaches, particularly in regions like the Ross Sea. This review assesses available tools for constructing end-to-end models—integrating physical drivers through entire food webs—essential for conservation objectives within the Ross Sea Region Marine Protected Area. Achieving adequate spatial and temporal resolution, alongside modularity for interdisciplinary collaboration, presents key challenges. Our analysis reveals the need for innovations, including enhanced representation of primary producers and benthic-pelagic coupling.