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Why trees outcompete shrubs to shift upward

Climatic warming is altering the structure and function of alpine ecosystems, including shifts of vegetation boundaries. The upward shift of alpine treelines, the uppermost limit of tree growth forming the boundary between ...

Cover crops contribute to soil health, study shows

Worldwide, farmers are being challenged with a variety of issues, including growing populations, a changing climate and soil degradation, among many others. To combat these challenges, researchers are looking for solutions ...

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