Size: 20 to 30 feet tall and wide. Bloom season: Late winter to spring. Exposure: Full sun, will tolerate some shade. Pruning needs: Minor pruning will improve shape and health of tree while promoting ...

Discover how giraffes quietly shape the savanna by dispersing seeds and helping ecosystems recover across Africa.

NAIROBI, KENYA (24 August 2009)—Scientists said today at the 2nd World Congress of Agroforestry that a type of acacia tree with an unusual growth habit—unlike virtually all other trees—holds ...

Questions: We studied a humid savanna rangeland, abandoned in 2000, where intensive cattle grazing had led to widespread encroachment by Acacia zanzibarica. We asked whether the acacia trees were able ...