Multiple biotic interactions establish phytoplankton community structure across environmental gradients
The combination of taxa and size classes of phytoplankton that coexist at any location affects the structure of the marine food web and …
Disentangling top-down drivers of mortality underlying diel population dynamics of Prochlorococcus in the North Pacific Subtropical Gyre
Photosynthesis fuels primary production at the base of marine food webs. Yet, in many surface ocean ecosystems, diel-driven primary …
Determining drivers of phytoplankton carbon to chlorophyll ratio at Atlantic Basin scale
We demonstrate the ability of flow cytometry to determine species specific cellular carbon and chlorophyll content in vivo by using …
Modeling cell populations measured by flow cytometry with covariates using sparse mixture of regressions
The ocean is filled with microscopic microalgae, called phytoplankton, which together are responsible for as much photosynthesis as all …
Viruses affect picocyanobacterial abundance and biogeography in the North Pacific Ocean
The photosynthetic picocyanobacteria Prochlorococcus and Synechococcus are models for dissecting how ecological niches are defined by …
A Bayesian approach to modeling phytoplankton population dynamics from size distribution time series
The rates of cell growth, division, and carbon loss of microbial populations are key parameters for understanding how organisms …
Trophic interactions with heterotrophic bacteria limit the range of Prochlorococcus
Prochlorococcus is the smallest and most abundant photosynthetic organism on Earth and is thought to be confined to low-latitude …
A kernel-based change detection method to map shifts in phytoplankton communities measured by flow cytometry
Automated, ship-board flow cytometers provide high-resolution maps of phytoplankton composition over large swaths of the world’s …
Marine Community Metabolomes Carry Fingerprints of Phytoplankton Community Composition
Microscopic phytoplankton transform 100 million tons of inorganic carbon into thousands of different organic compounds each day. The …
Diel transcriptional oscillations of light-sensitive regulatory elements in open-ocean eukaryotic plankton communities
The 24-h cycle of light and darkness governs daily rhythms of complex behaviors across all domains of life. Intracellular …
Diel oscillations in the feeding activity of heterotrophic and mixotrophic nanoplankton in the North Pacific Subtropical Gyre
Daily oscillations in photosynthetically active radiation strongly influence the timing of metabolic processes in picocyanobacteria, …
The Importance of the Phytoplankton “Middle Class” to Ocean Net Community Production
The net balance between photosynthesis and respiration in the surface ocean is a key regulator of ocean-atmosphere carbon dioxide (CO2) …
A single-cell polony method reveals low levels of infected Prochlorococcus in oligotrophic waters despite high cyanophage abundances
Long-term stability of picocyanobacteria in the open oceans is maintained by a balance between synchronous division and death on daily …
Diel variability of bulk optical properties associated with the growth and division of small phytoplankton in the North Pacific Subtropical Gyre
Cross-platform observing systems are requisite to capturing the temporal and spatial dynamics of particles in the ocean. We present …
Latitudinal constraints on the abundance and activity of the cyanobacterium UCYN-A and other marine diazotrophs in the North Pacific
The number of marine environments known to harbor dinitrogen (N2)-fixing (diazotrophic) microorganisms is increasing, prompting a …
SeaFlow data v1, high-resolution abundance, size and biomass of small phytoplankton in the North Pacific
SeaFlow is an underway flow cytometer that provides continuous shipboard observations of the abundance and optical properties of small …
Kīlauea lava fuels phytoplankton bloom in the North Pacific Ocean
From June to August 2018, the eruption of Kīlauea volcano on the island of Hawai‘i injected millions of cubic meters of molten lava …
Two distinct pools of B12 analogs reveal community interdependencies in the ocean
Organisms within all domains of life require the cofactor cobalamin (vitamin B 12), which is produced only by a subset of bacteria and …
Dynamics of Teleaulax -like cryptophytes during the decline of a red water bloom in the Columbia River Estuary
The mixotrophic ciliate, Mesodinium rubrum, is a globally distributed ciliate that relies on the acquisition and use of chloroplasts …
Coordinated regulation of growth, activity and transcription in natural populations of the unicellular nitrogen-fixing cyanobacterium Crocosphaera
The temporal dynamics of phytoplankton growth and activity have large impacts on fluxes of matter and energy, yet obtaining in situ …
Biological production, export efficiency, and phytoplankton communities across 8000 km of the South Atlantic
In situ oxygen tracers (triple oxygen isotope and oxygen/argon ratios) were used to evaluate meridional trends in surface biological …
Scalable clustering algorithms for continuous environmental flow cytometry
Motivation: Recent technological innovations in flow cytometry now allow oceanographers to collect high-frequency flow cytometry data …
Light-driven synchrony of Prochlorococcus growth and mortality in the subtropical Pacific gyre
Theoretical studies predict that competition for limited resources reduces biodiversity to the point of ecological instability, whereas …
The influence of net community production and phytoplankton community structure on CO2 uptake in the Gulf of Alaska
Biological productivity is a key factor controlling the ocean’s ability to take up carbon dioxide from the atmosphere. However, …
Real-time collaborative analysis with (almost) pure SQL: A case study in biogeochemical oceanography
We consider a case study using SQL-as-a-Service to support “instant analysis” of weakly structured relational data at a …
Collaborative science workflows in SQL
SQLShare is a Web-based application that emphasizes a simple upload-query-share protocol over conventional database design and uses ad …
Seaflow: A novel underway flow-cytometer for continuous observations of phytoplankton in the ocean
Current automated flow cytometers primarily target the dynamics of phytoplankton communities in coastal environments and lack the …
flowPhyto: Enabling automated analysis of microscopic algae from continuous flow cytometric data
Motivation: Flow cytometry is a widely used technique among biologists to study the abundances of populations of microscopic algae …
Unveiling a phytoplankton hotspot at a narrow boundary between coastal and offshore waters
In terrestrial ecosystems, transitional areas between different plant communities (ecotones) are formed by steep environmental …
