Conserved carbon density in marine picocyanobacteria improves phytoplankton biomass estimates

The picocyanobacteria Synechococcus and Prochlorococcus dominate oligotrophic oceans, where nitrogen (N) limitation is pervasive, and contribute substantially to marine primary production. However, t...

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Stratification–ventilation cycling regulates the storage and emission of carbonaceous greenhouse gases in a subtropical reservoir

Lakes and reservoirs are significant sources of methane (CH4) and carbon dioxide (CO2), yet the role of the stratification–ventilation cycle in regulating their production, storage, and emissions rem...

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Simulated heatwave reduces resilience to subsequent combined high‐temperature and high‐carbon‐dioxide stress in a diatom

Marine heatwaves pose a significant threat to marine ecosystems, yet the underlying biological mechanisms remain largely elusive. Here, we integrated physiological, transcriptomic, and DNA methylatio...

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Role of methanotrophy in a high‐methane emitting thermokarst lake

Thermokarst (thaw) lakes are projected to be an increasing source of atmospheric methane (CH4), a potent greenhouse gas, as climate warms and permafrost thaws. However, the magnitude of CH4 cycling, ...

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Spatial and temporal patterns of bottom water euxinia in shallow areas of the southwestern Baltic Sea

Sediments in productive coastal regions are hotspots of hydrogen sulfide (H2S) production through microbial sulfate reduction. Under anoxic seafloor conditions, H2S can escape the sediment and accumu....

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Beyond rhodoliths: Community‐level carbon metabolism and calcification in coralline algal beds

Coastal ecosystems play a major role in global carbon cycling and storage, yet the contribution of calcifying macroalgal habitats, such as coralline algal beds (CABs; rhodolith and maerl beds), remai...

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Marine heatwaves reorganize phytoplankton bloom phenology in the Gulf of Alaska

Phytoplankton blooms structure primary production and food-web dynamics in the Gulf of Alaska, yet their response to recent warming and marine heatwaves (MHWs) remains poorly described. Using a param...

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Phosphorus availability overrides evolutionary adaptation to warming and high carbon dioxide in shaping diatom physiology and lipid metabolism

Rising ocean temperatures and CO2 concentrations are reshaping phytoplankton physiology, yet how long-term adaptation to these stressors interacts with nutrient limitation remains poorly understood. ...

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Drivers of ecosystem metabolism in temperate kelp forests: A high‐resolution aquatic eddy covariance study

Kelp forests are highly productive coastal ecosystems that sustain organic carbon cycling and diverse food webs; however, their ecosystem metabolism remains insufficiently quantified due to a lack of...

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High‐frequency temperature monitoring with time‐resolved wavelet analysis reveals unrecognized complexities across depth on a coral reef ecosystem

Temperature variation at fine scales of minutes to hours and ~ 1–100 m is ubiquitous in marine ecosystems and often exceeds variability at larger scales. However, we know little of how well temperatu...

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Richard C. Dugdale: Limnology and Oceanography

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Predicting passive dispersal using particle hitting distance estimates in the near field in rivers

Particles, including biologically relevant ones, released in rivers may interact with the bed multiple times throughout their dispersal downstream. Passive dispersal is influenced by local variations...

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Remotely sensed lake color measurements suggest strong seasonal yet limited multi‐decadal trends in turbid and productive lakes in the Nebraska Sandhills

Long-term monitoring of lakes is necessary to detect and determine drivers of water quality impairment and ecological change. Yet extensive water quality records are limited to few lakes and are cost...

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Trait‐based responses of nitrogen‐fixing cyanobacteria to nitrogen limitation and light availability: Insights from 45 years of monitoring

The degree to which N2-fixation compensates for reduced external nitrogen loading has significant implications for eutrophication recovery. We analyzed 45 years of monitoring data from the shallow, p....

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Contrasting temporal drivers of methane flux across land uses in freshwater wetlands

Wetlands are collectively the largest natural source of methane (CH4), which complicates the climate mitigation potential of wetland restoration. Land-use change alters wetland soils, vegetation, and...

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Warming effects on marine microzooplankton and mixoplankton: Physiological responses, community reorganization, and implications for a warming ocean

Microzooplankton and mixoplankton are key regulators of marine food webs, yet their responses to ocean warming and thermal extremes remain incompletely integrated across physiological, community, and...

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Ecogenomics and limnological dynamics of a new Thiocapsa species blooming in the whole water column of a karstic lake

Purple sulfur bacteria (PSB) of the family Chromatiaceae (Gammaproteobacteria) can perform chemo- and photo-lithoautotrophy (through anoxygenic photosynthesis) in anoxic layers of freshwater stratifi....

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