Influence of diatom diversity on the ocean biological carbon pump

P Tréguer, C Bowler, B Moriceau, S Dutkiewicz… - Nature …, 2018 - nature.com
Diatoms sustain the marine food web and contribute to the export of carbon from the surface
ocean to depth. They account for about 40% of marine primary productivity and particulate …

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 …

Changing biogeochemistry of the Southern Ocean and its ecosystem implications

SF Henley, EL Cavan, SE Fawcett, R Kerr… - Frontiers in marine …, 2020 - frontiersin.org
The Southern Ocean plays a critical role in regulating global climate as a major sink for
atmospheric carbon dioxide (CO2), and in global ocean biogeochemistry by supplying …

Southern Ocean phytoplankton in a changing climate

SL Deppeler, AT Davidson - Frontiers in Marine Science, 2017 - frontiersin.org
Phytoplankton are the base of the Antarctic food web, sustain the wealth and diversity of life
for which Antarctica is renowned, and play a critical role in biogeochemical cycles that …

Nanoplanktonic diatoms are globally overlooked but play a role in spring blooms and carbon export

K Leblanc, B Queguiner, F Diaz, V Cornet… - Nature …, 2018 - nature.com
Diatoms are one of the major primary producers in the ocean, responsible annually for~
20% of photosynthetically fixed CO2 on Earth. In oceanic models, they are typically …

Global biogeochemical impacts of phytoplankton: a trait‐based perspective

E Litchman, P de Tezanos Pinto, KF Edwards… - Journal of …, 2015 - Wiley Online Library
Phytoplankton are key players in the global carbon cycle, contributing about half of global
primary productivity. Within the phytoplankton, functional groups (characterized by distinct …

The Weddell Gyre, Southern Ocean: present knowledge and future challenges

M Vernet, W Geibert, M Hoppema… - Reviews of …, 2019 - Wiley Online Library
Abstract The Weddell Gyre (WG) is one of the main oceanographic features of the Southern
Ocean south of the Antarctic Circumpolar Current which plays an influential role in global …

Phytoplankton defence mechanisms: traits and trade‐offs

M Pančić, T Kiørboe - Biological Reviews, 2018 - Wiley Online Library
In aquatic ecosystems, unicellular algae form the basis of the food webs. Theoretical and
experimental studies have demonstrated that one of the mechanisms that maintain high …

Drivers of carbon export efficiency in the global ocean

S Henson, F Le Moigne… - Global biogeochemical …, 2019 - Wiley Online Library
The export of organic carbon from the surface ocean forms the basis of the biological carbon
pump, an important planetary carbon flux. Typically, only a small fraction of primary …

Acidification diminishes diatom silica production in the Southern Ocean

K Petrou, KG Baker, DA Nielsen, AM Hancock… - Nature Climate …, 2019 - nature.com
Diatoms, large bloom-forming marine microorganisms, build frustules out of silicate, which
ballasts the cells and aids their export to the deep ocean. This unique physiology forges an …