When smoke from the 2019–2020 Australian wildfires billowed across the Southern Ocean, the iron-rich particles it deposited on the ocean triggered an algae bloom bigger than Australia—and it had a rapid and prolonged ...
Earth Sciences
Jul 8, 2022
34
141
Organic carbon and calcium carbonate are two critical components of the ocean's carbon cycle. Organic carbon originates mainly from phytoplankton photosynthesis, which is part of a complex biological pump. Calcium carbonate, ...
Earth Sciences
Jul 8, 2022
0
3
Marine cyanobacteria (blue-green algae) are major contributors to the global carbon cycle and are the basis of the food web in many of the world's oceans. They only require sunlight, carbon dioxide, plus a panel of essential ...
Biochemistry
Jun 9, 2022
0
41
Call them hitchhikers; the microbes that latch onto particles at the ocean's surface have a big job. They ride along until they reach the bottom, transferring carbon to the deepest waters of the ocean. The journey can take ...
Earth Sciences
Mar 31, 2022
0
459
"Streams to the river, river to the sea." If only it were that simple.
Environment
Mar 16, 2022
1
50
Oxygen is critical for life, but what promoted the first rise in atmospheric oxygen on Earth and precisely when it happened have been challenging scientists for the last 70 years.
Earth Sciences
Feb 28, 2022
4
1281
The ocean's most abundant life form, a type of bacteria discovered by Oregon State University, consumes an organic compound commonly found in solvents like paint remover, a new study by OSU shows.
Ecology
Dec 15, 2021
0
287
The Southern Ocean is a significant carbon sink, absorbing a large amount of the excess carbon dioxide emitted into the atmosphere by human activities, according to a new study led by the National Center for Atmospheric Research ...
Environment
Dec 2, 2021
17
100
A deep dive into microbial genomics reveals one bacterial species is made of four ecologically distinct groups with different lifestyles.
Ecology
Nov 19, 2021
0
118
The Southern Ocean's role in driving the global carbon cycle may be stronger than expected as the biological carbon pump is not "switched off" in winter as previously thought.
Earth Sciences
Oct 14, 2021
0
26
