In a discovery that further demonstrates just how unexpected and unusual nature can be, scientists have found two strains of bacteria whose symbiotic relationship is unlike anything seen before.
Earth Sciences
Aug 14, 2013
1
0
Areas of the ocean that are rich in marine life are having a bigger impact on our ecosystems and the climate than previously thought, new research suggests.
Earth Sciences
Jun 15, 2023
1
75
To a child, soil is just dirt – a home for worms. To a gardener, soil is a collection of organic matter and nutrients. But to plants, soil is a hotbed of chemical activity. And plants don't just observe, they actively participate ...
Environment
Jun 6, 2017
2
192
Nitrogen is essential to marine life and cycles throughout the ocean in a delicately balanced system. Living organisms—especially marine plants called phytoplankton—require nitrogen in processes such as photosynthesis. ...
Earth Sciences
Apr 20, 2018
0
284
Since the mid-20th century, research and discussion has focused on the negative effects of excess nitrogen on terrestrial and aquatic ecosystems. However, new evidence indicates that the world is now experiencing a dual trajectory ...
Environment
Apr 14, 2022
4
152
(Phys.org) —In 1900, about 1.6 billion people lived on Earth. Just a few generations later, over four times as many of us share the planet.
Environment
Jun 30, 2014
0
2
New research from University of Alberta and University of Vienna microbiologists provides unparalleled insight into the Earth's nitrogen cycle, identifying and characterizing the ammonia-oxidizing microbe, Nitrospira inopinata. ...
Environment
Aug 23, 2017
0
593
Human production of fixed nitrogen, used mostly to fertilize crops, now accounts for about half of the total fixed nitrogen added to the Earth both on land and in the oceans, according to a new study by researchers at North ...
Environment
Sep 6, 2017
2
73
When exposed to nitrogen fertilizer over a period of years, nitrogen-fixing bacteria called rhizobia evolve to become less beneficial to legumes - the plants they normally serve, researchers report in a new study.
Environment
Feb 23, 2015
1
27
When considering human impacts on earth systems, disturbance to the carbon cycle grabs the headlines. But another critically important earth process, the nitrogen cycle, has also seen major disruption from human activity.
Environment
May 9, 2016
7
476
