metabarcoding
World Data Ocean keeps metabarcoding in one place: 2 stories so far. The section currently leads with “Long-Term Shifts in Plankton Communities Signal Warming’s Impact on Oslofjord” and “Mapping Deep-Sea Life: Environmental DNA Reveals Biodiversity Hotspots”. The Oslofjord's plankton community is rewriting the expected script of climate change. The northern South China Sea's Qiongdongnan Basin hides a biodiversity puzzle beneath its hydrate-rich seabed, and this eDNA study brings it into focus. A Global Hub for Ocean Intelligence 4 World Data Ocean is a centralized digital platform where researchers, scientists, and ocean enthusiasts converge to… The list below is every metabarcoding story on World Data Ocean, newest first.
Long-Term Shifts in Plankton Communities Signal Warming’s Impact on Oslofjord
The Oslofjord's plankton community is rewriting the expected script of climate change. Comparing 2009-2011 to 2023-2024, we found a 5.6-fold drop in the dinoflagellate-to-diatom ratio, driven largely by a decline in the heterotrophic genus *Gyrodinium*. This challenges the assumption that warming consistently favors heterotrophic taxa in temperate waters. The data is empirical, measured, and clear. For broader context on shifting marine baselines, our coverage of Mediterranean Phytoplankton Diversity Shifts Observed Over 25 Years offers a valuable comparison.
Mapping Deep-Sea Life: Environmental DNA Reveals Biodiversity Hotspots
The northern South China Sea's Qiongdongnan Basin hides a biodiversity puzzle beneath its hydrate-rich seabed, and this eDNA study brings it into focus. By sampling cold seeps, gas hydrate stable zones, and non-hydrate areas, the authors recovered 334 benthic species and found that deterministic processes, particularly variable selection, drive community assembly. That is a measurable step toward understanding these ecosystems. The work also complements our coverage of operational advances like the RAP-Based Mooring System, reinforcing how integrated data sharpens both science and stewardship.