News tagged with planting trees

Evolution may take giant leaps

(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in ...

Dec 11, 2009 4.5 / 5 (31) 40 weblog

Mesquite trees displacing Southwestern grasslands

As the desert Southwest becomes hotter and drier, semi-arid grasslands are slowly being replaced by a landscape dominated by mesquite trees, such as Prosopis velutina, and other woody shrubs, a team of University ...

Mar 18, 2012 4.8 / 5 (6) 13 | with audio podcast