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Featured Resource

Lightning Protection for Trees

Thousands of trees are struck by lightning every year. These trees will have varying degrees of damage ranging from complete shattering and destruction of the tree, to a slow lingering death, to virtually no apparent damage at all (Figure 1).

Resource
12/12/19
Conifer Care

Conifers are commonly planted in North America to provide year-round screening, as windbreaks or as focal trees in the landscape.

Resource
11/14/19
Oak decline in the United States

Oak decline is a slow-acting disease complex that involves the interaction of biotic and abiotic factors such as climate, site quality and advancing tree age.

Resource
10/14/19
Green-Wood Cemetery GIS Project

This is an example of how a historic landscape and public garden used GIS to map, track, and monitor tree health on their grounds.

Resource
10/31/18
Climate is Changing Collections Management

As climate change places continued pressure upon wild-plant populations, botanical gardens and arboreta become increasingly indispensable conservation agents.

Resource
9/24/16