Coastal California fog—a key source of water for the iconic redwood tree—has declined by a third. Can a trace gas, carbonyl sulfide, be used to assess the effect on plant productivity?
carbon cycle
Posted inResearch Spotlights
Critical Role of Grazing Animals in an Ecosystem
Scientists model the effect of horses, cattle, sheep, and goats on local environments and global climate.
Posted inScience Updates
The Amazon River’s Ecosystem: Where Land Meets the Sea
What happens to plant matter on its journey down the Amazon River to the Atlantic Ocean? One research group investigated the region where river and ocean meet to fill in this part of the story.
Posted inResearch Spotlights
Mossy Oaks Are Dripping with Organic Matter
Epiphyte-bearing trees leach carbon when it rains.
Posted inResearch Spotlights
Why Mountainous Upland Forests Emit So Much Methane
New research suggests that moist tree heartwood produces methane and emits the greenhouse gas to the atmosphere.
Posted inNews
Eyes in the Sky Look Closer at Under-Surveyed Northern Forests
Spaceborne images give scientists a detailed picture of the boreal forests’ tree heights, which help scientists estimate their contribution to carbon budgets.
Posted inResearch Spotlights
Searching for Organic Carbon in the Dry Valleys of Antarctica
Researchers identify the first evidence of microbial respiration in desiccated Antarctic permafrost soils.
Posted inScience Updates
Ocean Circulation, Carbon Cycling During the Last Deglaciation
Past Global Changes (PAGES) OC3 Working Group second workshop on Ocean Circulation and Carbon Cycling during Last Deglaciation: Regional Synthesis of Carbon Isotopes Data; Corvallis, Oregon, 27–29 June 2017
Posted inResearch Spotlights
Plumbing the Depths of the Marine Carbon Cycle
Scientists measure dissolved black carbon in South China Sea water samples to better understand the carbon cycle in the oceans, which absorb roughly half of all carbon emitted into the atmosphere.
Posted inResearch Spotlights
Oceans May Produce Twice as Much Organic Matter as Usually Measured
Researchers study how oceans respire carbon, reexamining a critical part of the global carbon cycle.