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People removing buffelgrass, an invasive grass, near cactus plants in Arizona
Posted inNews

Invasive Plants and Climate Change Will Alter Desert Landscapes

by Katherine Kornei 13 January 202213 January 2022

In experiments conducted in Biosphere 2, invasive buffelgrass weathers higher temperatures and drought conditions better than its native brethren.

Conceptual diagram showing how solute transport in saturated fine-textured and course-textured soils is altered by root exudates.
Posted inEditors' Highlights

Plant Root Exudates Mediate Soil Nutrient Transport

by D. Scott Mackay 9 December 20218 April 2022

Plant roots mediate solute transport through the soil immediately surrounding them by introducing polymers and other binding compounds that disrupt water transport pathways between soil pore spaces.

Tree roots growing through rocks
Posted inNews

Thirsty Plants Pull Water from Bedrock

by Katherine Kornei 18 October 202121 March 2022

Shrubs and trees across the United States routinely sip water stored in bedrock, a discovery that has implications for the terrestrial water cycle.

A close-up photo of Parthenium hysterophorus, or famine weed, showing a deep green plant with frilly leaves and small white flowers
Posted inNews

Famine Weed Becomes More Toxic, Invasive in Carbon-Rich Atmosphere

by Fionna M. D. Samuels 22 September 202121 March 2022

A noxious weed’s success in Australia could indicate that some plants are benefitting from our carbon-rich atmosphere, becoming more invasive, competitive, and toxic.

Figure showing key requirements for making forest-based natural climate solutions successful for climate mitigation, with examples of potential pitfalls are shown for each category.
Posted inEditors' Highlights

Permanence of Nature-Based Climate Solutions at Risk

by E. Davidson 22 July 20213 May 2022

Conserving native ecosystems helps sequester carbon and mitigate climate change, but new statistical modeling questions the permanence of California’s carbon-rich forests with climate change.

Detailed image of yellow flowers of Geum reptans growing at the toe of Trobio glacier
Posted inNews

Global Warming Could Rob Liquors of Their Flavor

by Stacy Kish 4 March 202114 October 2021

A new study examines the impact of glacial extinction on biodiversity in alpine regions.

A researcher looks over Frenchman Valley, Chambery Coulee, Saskatchewan.
Posted inNews

Terrestrial Plants Flourished After the Cretaceous–Paleogene Extinction

by Hannah Thomasy 26 January 20214 October 2021

Compounds in ancient plant leaves tell the story of how an extinction event shaped our planet’s ecosystems.

Two scientists on the flat green tundra—one holds a drone aloft, and one writes in a notebook
Posted inNews

Drones Help Bridge the Gaps in Assessing Global Change

by Lesley Evans Ogden 27 August 202011 August 2022

New instruments in the research tool kit bolster scientific understanding of the ecology of a greening Arctic.

Grass and trees in a subtropical swamp on North Stradbroke Island, Queensland, Australia
Posted inResearch Spotlights

Ideal Temperatures for Carbon Uptake by Subtropical Plants

by Elizabeth Thompson 26 August 202010 February 2022

Air temperatures in coastal ecosystems of Australia routinely exceed the optimum range for photosynthesis, hindering plants’ ability to take up atmospheric carbon.

A forested hillside in California’s Big Sur, with both living and dead trees
Posted inResearch Spotlights

Sudden Oak Death Taking a Toll on U.S. West Coast

by Kate Wheeling 29 July 202011 January 2022

Researchers have been modeling effects of the plant pathogen Phytophthora ramorum on coastal forests in California and Oregon since it arrived on the West Coast 3 decades ago.

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From AGU Journals

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Geophysical Research Letters
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“Cyanobacteria and Algae Meet at the Limits of Their Habitat Ranges in Moderately Acidic Hot Springs”
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