US desert grassland collapse is linked to changes in the Pacific Ocean

For overmuch of nan 20th century, roar and bust cycles of godforsaken grasses successful nan US Southwest were linked to semipermanent cycles of somesthesia successful nan Pacific Ocean. That nexus now appears to person been broken, perchance owed to ambiance change. This could complicate efforts to reconstruct grasslands that support biodiversity and grazing livestock.

The Chihuahuan desert extends from nan US Southwest into Mexico complete much than 500,000 quadrate kilometres. It contains immoderate of nan astir biodiverse grasslands connected …