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  • Scientists partner with Indigenous communities to study effects of climate change and human development on Arctic caribou

ecosystems

Scientists partner with Indigenous communities to study effects of climate change and human development on Arctic caribou

Posted by Heather Tate on October 11, 2021

Project will help train the next generation of Arctic scientists in wildlife ecology, environmental informatics, natural resource management and social science

Logan Berner doing research in the field Wild caribou are the single most important land-based species for both human communities and ecosystems in the Arctic. Abundant across the polar region, these animals play an essential role both as herbivores that impact tundra vegetation and as an important source of food to… Read more

Filed Under: College of Engineering, Informatics, and Applied Sciences, School of Informatics, Computing, and Cyber Systems

New study shows a few common bacteria account for majority of carbon use in soil

Posted by Heather Tate on June 8, 2021

Illustration of bacteria in soilJust a few bacterial taxa found in ecosystems across the planet are responsible for more than half of carbon cycling in soils. These new findings, made by researchers at Northern Arizona University and published in Nature Communications this week, suggest that despite the diversity of microbial taxa found in wild soils… Read more

Filed Under: Center for Ecosystem Science and Society, College of the Environment, Forestry, and Natural Sciences, Department of Biological Sciences

In wild soil, predatory bacteria grow faster than their prey, NAU study shows

Posted by Heather Tate on April 30, 2021

Predators comparison illustrationPredatory bacteria—bacteria that eat other bacteria—grow faster and consume more resources than non-predators in the same soil, according to a new study from Northern Arizona University. These active predators, which use wolfpack-like behavior, enzymes, and cytoskeletal “fangs” to hunt and feast on other bacteria, wield important power in determining where… Read more

Filed Under: Center for Ecosystem Science and Society, College of the Environment, Forestry, and Natural Sciences, Department of Biological Sciences

Seven new Regents’ professors showcase NAU’s research and scholarly excellence

Posted by Heather Tate on April 15, 2021

Collage of Scott Goetz, Björn Krondorfer, Yiqi Luo, Michelle Mack, Ted Schuur, Miguel José YacamánAt President Rita Cheng’s recommendation, the Arizona Board of Regents on Friday approved seven Northern Arizona University professors to be promoted to the rank of Regents’ professor, the highest rank a faculty member can achieve.

The professors are Scott Goetz, School of Informatics, Computing, and… Read more

Filed Under: Center for Materials Interfaces in Research and Applications - ¡MIRA!, College of Arts and Letters, College of Engineering, Informatics, and Applied Sciences, College of the Environment, Forestry, and Natural Sciences, Department of Applied Physics and Materials Science, Department of Biological Sciences, Department of Chemistry and Biochemistry, Department of Comparative Cultural Studies, School of Informatics, Computing, and Cyber Systems

New NAU study finds evolutionary processes work at multiple levels to shape whole communities

Posted by Heather Tate on November 19, 2020

LandscapeEvolutionary theory has long held that natural selection largely operates at the level of individuals. Findings from Northern Arizona University researchers, recently published in the Annual Review of Ecology, Evolution, and Systematics, suggest that selection can also occur at multiple levels to shape whole communities. This multi-level selection arises from the interactions of key species that cascade to alter communities and ecosystems.

For example, unraveling the evolution of… Read more

Filed Under: College of the Environment, Forestry, and Natural Sciences, Department of Biological Sciences

NAU global change ecologist leads NASA satellite study of rapid greening across Arctic tundra

Posted by Heather Tate on September 22, 2020

Berner Arctic Greening illustrationAs Arctic summers warm, Earth’s northern landscapes are changing. Using satellite images to track global tundra ecosystems over decades, a team of researchers finds the region has become greener as warmer air and soil temperatures lead to increased plant growth.

“The Arctic tundra is one of the coldest biomes on Earth, and it’s also one of the most rapidly warming,” said Logan Berner, assistant research professor with Northern Arizona… Read more

Filed Under: College of Engineering, Informatics, and Applied Sciences, School of Informatics, Computing, and Cyber Systems

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