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 ...

A type of acacia tree with an unusual growth habit -- unlike virtually all other trees -- holds particular promise for farmers in Africa as a free source of nitrogen for their soils that could last ...

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 ...

Growing climate stress is pushing Africa’s iconic acacias to their limits, exposing the contrasting genetic tactics that help them survive.

Acacia trees in Costa Rica have an obligate mutualism with three species of Pseudomyrmex ants, which vigorously defend their host tree from insect and mammalian herbivores. Depending on the size and ...

Ants known to defend certain species of Acacia trees from elephant predation deter the massive herbivores so effectively that they are impacting entire savanna ecosystems, according to a study ...

Acacia analysis reveals globetrotting seed trekked 18,000 kilometres from Hawaii to Réunion. You have full access to this article via your institution. In what is probably the farthest single ...

OAKLAND (KPIX 5) -- There's new color in the East Bay Hills but they are not fall colors. The changing leaves may be the result of a mysterious and deadly tree fungus attacking acacia trees all across ...

Researchers find that the ants of the acacia tree are tipped off to the presence of herbivores by vibrations that run throughout the trees when an animal gets too close or begins to chew. As a result, ...