Microscopic marine life plays a fundamental role in the health of the ocean and, ultimately, the planet. Just like plants on land, tiny phytoplankton use photosynthesis to consume carbon dioxide and convert it into organic ...
Earth Sciences
Aug 16, 2021
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509
At the end of the last Ice Age, as the world began to warm, a swath of the North Pacific Ocean came to life. During a brief pulse of biological productivity 14,000 years ago, this stretch of the sea teemed with phytoplankton, ...
Earth Sciences
Jul 14, 2013
2
0
(PhysOrg.com) -- Scientists widely accept that around 2.4 billion years ago, the Earth's atmosphere underwent a dramatic change when oxygen levels rose sharply. Called the "Great Oxidation Event" (GOE), the oxygen spike marks ...
Earth Sciences
Oct 29, 2009
4
0
Discussions of valuable but threatened ocean ecosystems often focus on coral reefs or coastal mangrove forests. Seagrass meadows get a lot less attention, even though they provide wide-ranging services to society and store ...
Plants & Animals
Jun 21, 2023
0
72
Due to global warming, temperatures in the Arctic are climbing rapidly. As a result, the treeline for Siberian larch forests is steadily advancing to the north, gradually supplanting the broad expanses of tundra which are ...
Earth Sciences
May 27, 2022
90
197
While much research has focused on the striking differences in biodiversity between tropical and temperate regions, another, equally dramatic, pattern has gone largely unstudied: the differences in species richness among ...
Plants & Animals
Apr 22, 2022
0
328
After the successful ban of the flame-retardant substances called PBDEs in the early 2000s, it got replaced by another problematic chemical group called Organophosphate esters (OPEs). Since then the use of OPEs increased ...
Environment
Mar 29, 2022
2
36
Deforestation for agribusiness expansion in Brazil, in conjunction with climate change, has worsened the already severe drought suffered in the last decade by the transition zone between the eastern Amazon and the Cerrado, ...
Environment
Mar 7, 2022
0
38
By drilling deep down into sediments on the ocean floor researchers can travel back in time. A research team led from Uppsala University now presents new clues as to when and why a period often referred to as the 'biogenic ...
Earth Sciences
Jan 18, 2022
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460
A new study by the Institute of Environmental Science and Technology of the Universitat Autònoma de Barcelona (ICTA-UAB) allows validating organic markers to quantify past primary productivity in the oceans, a key factor ...
Earth Sciences
Jun 2, 2021
0
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