Pelagic community responses to a deep-water front in the California Current Ecosystem: overview of the A-Front Study

MR Landry, MD Ohman, R Goericke… - Journal of Plankton …, 2012 - academic.oup.com
In October 2008, we investigated pelagic community composition and biomass, from
bacteria to fish, across a sharp frontal gradient overlying deep waters south of Point …

Single bacterial strain capable of significant contribution to carbon cycling in the surface ocean

BE Pedler, LI Aluwihare… - Proceedings of the …, 2014 - National Acad Sciences
Marine dissolved organic carbon (DOC) encompasses one of the largest reservoirs of
carbon on Earth. Heterotrophic bacteria are the primary biotic force regulating the fate of this …

Attachment between heterotrophic bacteria and microalgae influences symbiotic microscale interactions

TJ Samo, JA Kimbrel, DJ Nilson… - Environmental …, 2018 - Wiley Online Library
The surface and surroundings of microalgal cells (phycosphere) are critical interaction
zones but have been difficult to functionally interrogate due to methodological limitations …

Sub-frontal niches of plankton communities driven by transport and trophic interactions at ocean fronts

I Mangolte, M Lévy, C Haëck, MD Ohman - Biogeosciences, 2023 - bg.copernicus.org
Observations and theory have suggested that ocean fronts are ecological hotspots,
associated with higher diversity and biomass across many trophic levels. The hypothesis …

Mesozooplankton and particulate matter responses to a deep-water frontal system in the southern California Current System

MD Ohman, JR Powell, M Picheral… - Journal of plankton …, 2012 - academic.oup.com
We analyzed the abundance of mesozooplankton and suspended particulate matter across
the deep-water “A-Front” in the southern sector of the California Current System. We …

The importance of mesozooplankton diel vertical migration for sustaining a mesopelagic food web

TB Kelly, PC Davison, R Goericke… - Frontiers in Marine …, 2019 - frontiersin.org
We used extensive ecological and biogeochemical measurements obtained from quasi-
Lagrangian experiments during two California Current Ecosystem Long-Term Ecosystem …

The roles of suspension-feeding and flux-feeding zooplankton as gatekeepers of particle flux into the mesopelagic ocean in the Northeast Pacific

MR Stukel, MD Ohman, TB Kelly… - Frontiers in Marine Science, 2019 - frontiersin.org
Zooplankton are important consumers of sinking particles in the ocean's twilight zone.
However, the impact of different taxa depends on their feeding mode. In contrast to typical …

Large Phaeodaria in the twilight zone: Their role in the carbon cycle

MR Stukel, T Biard, J Krause… - Limnology and …, 2018 - Wiley Online Library
Advances in in situ imaging allow enumeration of abundant populations of large Rhizarians
that compose a substantial proportion of total mesozooplankton biovolume. Using a quasi …

The role of subduction and gravitational sinking in particle export, carbon sequestration, and the remineralization length scale in the California Current Ecosystem

MR Stukel, H Song, R Goericke… - Limnology and …, 2018 - Wiley Online Library
Particles and aggregates created in the surface layers of the ocean are transported not only
by gravity, but also by the horizontal and vertical advection of the surrounding water …

Grazer and viral impacts on microbial growth and mortality in the southern California Current Ecosystem

AL Pasulka, TJ Samo, MR Landry - Journal of Plankton …, 2015 - academic.oup.com
Protistan grazers and viruses are major agents of mortality in marine microbial communities
with substantially different implications for food-web dynamics, carbon cycling and diversity …