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Journal of Geophysical Research: Biogeosciences

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Beach on barrier island Spiekeroog in Germany
Posted inResearch Spotlights

Microbial Mechanisms Change with the Seasons

Elizabeth Thompson by Elizabeth Thompson 1 April 202012 October 2022

Microbes living in the sand on a barrier island alter the way they break down organic matter as their environment changes throughout the year, which has implications for the surrounding water column.

Chart showing mercury stable isotope concentrations in tree rings
Posted inEditors' Highlights

Trees Are Watching Us and Our Actions

by Ankur R. Desai 31 March 20205 May 2022

Annual growth rings in trees tell us more than climate history; they can also document the rise and fall of human industrial activities.

An aerial view of an agricultural landscape
Posted inResearch Spotlights

Mapping Nutrient Inputs in the Great Lakes Basin

Aaron Sidder, freelance science writer by Aaron Sidder 25 March 202024 February 2023

A new tool links nitrogen and phosphorus applications to land use classifications to better understand where and how much of the nutrients enter watersheds in the U.S. Great Lakes Basin.

Smoke from several California fires is seen from the International Space Station in August of 2018.
Posted inResearch Spotlights

Wildfire Smoke Boosts Photosynthetic Efficiency

Elizabeth Thompson by Elizabeth Thompson 12 February 202022 December 2021

Wildfires can destroy large tracts of vegetation. But their smoke plumes may help crops and other plants use sunlight more efficiently.

An algal bloom covers the surface of Lake Vansjø in Norway near the shore as children board canoes.
Posted inResearch Spotlights

Stored Nutrients and Climate Warming Will Feed More Algal Blooms

Elizabeth Thompson by Elizabeth Thompson 6 January 20206 June 2022

High nutrient concentrations cause water quality problems in lakes, and as the climate warms, these issues will only get worse. A new model assesses future scenarios and explores solutions.

A researcher collects a soil core from a marine coastal ecosystem dominated by the seagrass Posidonia oceanica.
Posted inResearch Spotlights

Improving Estimates of Coastal Carbon Sequestration

Sarah Stanley, Science Writer by Sarah Stanley 5 December 20199 March 2023

A new two-model approach could reduce uncertainties in calculated rates of “blue carbon” accumulation within soils of seagrass, tidal marsh, and mangrove habitats.

An instrument tower stands at the University of Michigan Biological Station, where researchers measured stable isotopic signals in water vapor amid two plots of forest.
Posted inResearch Spotlights

How Forest Structure Influences the Water Cycle

Kate Wheeling, freelance science writer by Kate Wheeling 15 October 20192 November 2021

New research looks at how changes in the arrangement of trees and canopy thickness influence the transport of water from the land surface to the atmosphere.

Aerial view over the Alaskan tundra showing patches of snow, ice, and bare land
Posted inResearch Spotlights

Methane-Releasing Tundra Soils Freezing Later Each Year

Sarah Stanley, Science Writer by Sarah Stanley 18 September 201911 August 2022

Scientists find links between delayed freezing of Alaskan soils and higher atmospheric methane concentrations during the cold season.

Flowchart showing summary of options to analyze time trends in tree ring data
Posted inEditors' Highlights

The Many Intertwined Stories of Tree Rings

by Ankur R. Desai 5 September 201926 August 2019

Trees grow as they age, but it’s not straightforward to tease out how that growth changes over a century of environmental change.

The Sun sets over Lake Shinji in western Japan
Posted inResearch Spotlights

How Land Use Affects Nutrient Pollution in a Changing Climate

Elizabeth Thompson by Elizabeth Thompson 4 September 201916 February 2022

As heavy rain falls more frequently, the land alongside a river has a greater effect on the waterway’s nutrient levels—for better or worse.

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