The unicellular plants more readily take up iron in the presence of salp feces than in krill feces, an experiment in Antarctica reveals.
carbon cycle
Posted inEditors' Highlights
How Do Croplands Reduce CO2 During the Growing Season?
Regional variations in the seasonal drawdown of atmospheric CO2 can be used as a benchmark for evaluating models and satellite-derived estimates of land carbon uptake.
Posted inEditors' Highlights
A 2700-year Record of Permafrost Thaw Sensitivity to Climate
Changes in the 14C ages of carbon and biomarkers deposited at the mouth of a river draining a permafrost watershed track responses of regional thaw depth to past warming and cooling.
Posted inResearch Spotlights
Tracking Oxygen in the Sargasso Sea’s 18 Degree Water
Biogeochemical floats provide an improved picture of ocean mixing and oxygen movement in the North Atlantic Ocean.
Posted inResearch Spotlights
拉丁美洲环境观测网络的缺口
尽管拉丁美洲对全球碳和水循环具有显著影响，但其在FLUXNET站点中所占的比例相对较小，这限制了该观测网络在该地区的代表性。
Posted inEditors' Vox
Tropical Carbon and Water Observed from Above
Satellite observations show how tropical forest carbon fluxes respond to changes in water from climate variability.
Posted inEditors' Highlights
Dueling Eyes on Ecosystem Metabolism Tell Diverging Stories
Multiple state-of-the-art independent observing systems consistently disagree on magnitudes and patterns of ecosystem metabolism of carbon dioxide, but together can shed new insight.
Posted inResearch Spotlights
The Gaps in Environmental Networks Across Latin America
Despite its notable influence on global carbon and water cycles, Latin America accounts for a relatively small share of FLUXNET sites, which limits the representativeness of the network in the region.
Posted inScience Updates
Earth’s Volatile Balancing Act
How do greenhouse gases and water circulate from minerals deep below Earth’s surface into the atmosphere and oceans—and then back again? Our understanding continues to evolve.