Climate change threatens polar ecosystems through rising temperatures and changing light regimes. Phytoplankton release of dissolved organic carbon (DOC) is a major carbon-cycle component, yet it rema...
Trace elements occur naturally in the environment, but anthropogenic activities can amplify their release, increasing exposure and bioaccumulation in marine predators such as seabirds. Mercury (Hg) in...
By tracking the water mass histories of genetic samples, we investigated the biophysical dynamics shaping eukaryotic phytoplankton populations in a nutrient-deplete subtropical gyre, where cyanobacter...
The 2016 El Niño was the strongest warm-phase of the El Niño-Southern Oscillation recorded to date over the 21st century, leading to the development of severe ocean surface temperature anomalies - mar...
N-Acetyl-L-glutamate kinase of Prasinoderma coloniale is an example of an evolutionary hack that allows this alga survival without the protein PII. N-Acetyl-L-glutamate kinase (NAGK) catalyzes the pho...
The ocean carbon cycle spans multiple scales and reservoirs, challenging efforts to build a coherent picture and fostering misconceptions or fragmented narratives in science and public discourse. Comm...
The Central Arctic Ocean is undergoing rapid environmental change associated with sea-ice retreat. The sea-ice bottom and adjacent under-ice waters are key zones for particulate organic matter (POM) a...
The Arctic Ocean is changing rapidly, causing shifts in species composition and distributions. While a future "jellification" is projected on a pan-Arctic scale and within the Atlantic Gateway, we ide...
Earth observation satellites transform our understanding of Earth's biological, atmospheric, and surface systems. The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission, launched in 2024, repres...
Global warming and the resulting surface seawater stratification have led to dominance of small phytoplankton, driving substantial changes in planktonic ecosystem structure. This study investigates th...
Many of the oceans' top predatory fishes at low to mid latitudes face an uncertain future as their vulnerable larvae deal with higher environmental temperature and reduced productivity associated with...
The ocean's aphotic interior harbors three-quarters of planktonic bacteria and archaea (prokaryoplankton), whose composition, ecology, and biotechnological potential remain poorly constrained. To addr...
The marine dissolved organic matter (DOM) pool is one of Earth's largest carbon reservoirs and a critical regulator of global carbon flux, yet the microbe-molecule interactions governing it remain lar...
Marine microorganisms are vital to biogeochemical cycles and food web dynamics, with their community structure shaped by environmental factors such as temperature, light, and salinity. While microbial...
Microplastics (MPs) contaminate marine environments from surface waters to deep sediments. Approximately half of global plastic production consists of low-density polymers that should float in seawate...
Marine space is three dimensional, the turnover of life forms is rapid, defining a fourth dimension: time. The definition of ecologically significant spatial units calls for the spatio-temporal framin...
Photosynthetic microorganisms are responsible for primary production at the base of the marine food web and influence global biogeochemistry. Their growth is balanced by mortality processes, including...
Planktonic foraminifera are a ubiquitous group of calcifying marine protists and among the most affected by modern ecological changes due to climate change. Specifically, at high latitudes in the Atla...
Microplastic pollution is a major environmental problem affecting ecosystems, wildlife and people worldwide. Microplastics are solid synthetic polymer particles > 5 mm, insoluble in water and potentia...
Diverse ecosystems on land and in the ocean are thought to be more productive, stable and resistant to change, but these relationships are highly variable across systems and scales. Although the produ...
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