Zooplankton fecal pellets, marine snow, phytodetritus and the ocean's biological pump

JT Turner - Progress in Oceanography, 2015 - Elsevier
The “biological pump” is the process by which photosynthetically-produced organic matter in
the ocean descends from the surface layer to depth by a combination of sinking particles …

Particle aggregation

AB Burd, GA Jackson - Annual review of marine science, 2009 - annualreviews.org
A basic problem in marine biogeochemistry is understanding material and elemental
distributions and fluxes in the oceans, and a key part of this problem is understanding the …

Global niche of marine anaerobic metabolisms expanded by particle microenvironments

D Bianchi, TS Weber, R Kiko, C Deutsch - Nature Geoscience, 2018 - nature.com
In ocean waters, anaerobic microbial respiration should be confined to the anoxic waters
found in coastal regions and tropical oxygen minimum zones, where it is energetically …

Interactions between microplastics and phytoplankton aggregates: impact on their respective fates

M Long, B Moriceau, M Gallinari, C Lambert, A Huvet… - Marine Chemistry, 2015 - Elsevier
Plastic debris are resistant to degradation, and therefore tend to accumulate in marine
environment. Nevertheless recent estimations of plastic concentrations at the surface of the …

Factors influencing the sinking of POC and the efficiency of the biological carbon pump

L Christina, U Passow - Deep Sea Research Part II: Topical Studies in …, 2007 - Elsevier
By altering the number, size, and density of particles in the ocean, the activities of different
phytoplankton, zooplankton, and microbial species control the formation, degradation …

Mechanisms and rates of bacterial colonization of sinking aggregates

T Kiørboe, HP Grossart, H Ploug… - Applied and …, 2002 - Am Soc Microbiol
Quantifying the rate at which bacteria colonize aggregates is a key to understanding
microbial turnover of aggregates. We used encounter models based on random walk and …

Ballast, sinking velocity, and apparent diffusivity within marine snow and zooplankton fecal pellets: Implications for substrate turnover by attached bacteria

H Ploug, MH Iversen, G Fischer - Limnology and Oceanography, 2008 - Wiley Online Library
We analyzed size‐specific dry mass, sinking velocity, and apparent diffusivity in field‐
sampled marine snow, laboratory‐made aggregates formed by diatoms or …

Small sinking particles control anammox rates in the Peruvian oxygen minimum zone

C Karthäuser, S Ahmerkamp, HK Marchant… - Nature …, 2021 - nature.com
Anaerobic oxidation of ammonium (anammox) in oxygen minimum zones (OMZs) is a major
pathway of oceanic nitrogen loss. Ammonium released from sinking particles has been …

High resolution profiles of vertical particulate organic matter export off Cape Blanc, Mauritania: Degradation processes and ballasting effects

MH Iversen, N Nowald, H Ploug, GA Jackson… - Deep Sea Research …, 2010 - Elsevier
Vertical carbon fluxes between the surface and 2500m depth were estimated from in situ
profiles of particle size distributions and abundances me/asured off Cape Blanc (Mauritania) …

The ballasting effect of Saharan dust deposition on aggregate dynamics and carbon export: Aggregation, settling, and scavenging potential of marine snow

H Van der Jagt, C Friese, JBW Stuut… - Limnology and …, 2018 - Wiley Online Library
Lithogenic material such as Saharan dust can be incorporated into organic aggregates and
act as ballast, potentially enhancing the marine carbon export via increased sinking …