1. Savanna ecosystems – defined by the coexistence of trees and grasses – cover more than one-fifth the world's land surface and harbour most of the world's rangelands, livestock and large mammal ...

Garden staff are finding more scale insects and aphids than in past years. A major infestation of lecanium scale was recently found on a large planting of bald cypress at the Garden. The population of ...

City Forester Gene Hyde holds the branch of an overcup oak tree on Riverfront Parkway Tuesday May 16, 2018. City workers planted the tree after an infestation began killing the city's willow oak trees ...

As cities warm and the need for climate adaptation strategies increases, a more detailed understanding of the cooling effects of land cover across a continuum of spatial scales will be necessary to ...

The blackish trunks on the crapemyrtles around town are caused by an insect known as crapemyrtle bark scale. It doesn’t kill the trees, but it does make them unsightly and less vigorous. This scale is ...