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Needlecast and needle blight are terms applied to a variety of foliage disorders of many coniferous species. These diseases are usually more severe on young trees or on trees growing outside of their natural range.
Sonic tomography, or the use of sound waves to detect decay in trees, is a relatively new technology available to arborists.
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).
Conifers are commonly planted in North America to provide year-round screening, as windbreaks or as focal trees in the landscape.
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.
Global Forest Watch (GFW) is an online platform that provides data and tools for monitoring forests.
This is an example of how a historic landscape and public garden used GIS to map, track, and monitor tree health on their grounds.
Viewers will learn about native vegetation’s applicability to a myriad of conservation practices beyond wildlife uses through an exploration of the supporting scientific research applied throughout the tall grass prairie and southeastern grasslands regi
As climate change places continued pressure upon wild-plant populations, botanical gardens and arboreta become increasingly indispensable conservation agents.