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Patrick Keyser, University of Tennessee, Center for Native Grasslands Management Savannahs are typically thought of as transitional landscapes between forest and prairie, containing a sparse overstory and well-developed herbaceous understory, including grasses, wildflowers, and occasional understory shrubs. A similar concept is a woodland, which is a transitional landscape between savannahs and…|
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Bill Pickens, Conifer Silviculturist, North Carolina Forest Service Shortleaf pine and its associated plant communities evolved with fire of varied temperatures, or mixed severity, and a fire return interval, or frequency of 2–18 years. Periodic occurrences of fire provide shortleaf a growth advantage; a competitive edge that allows it to both establish…|
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David R. Coyle, A. Brady Self, James D. Floyd, and John J. Riggins Four species of Ips bark beetles (also commonly known as Ips engraver beetles or Ips beetles) occur throughout pure and mixed pine forests in the southeastern U.S.: the six-spined ips (Ips calligraphus), the pine engraver (Ips pini), the…|
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Helene Cser Extension Associate North Carolina State University Leslie Boby Extension Associate Southern Regional Extension Forestry Research and development on alternative sources of energy has been a priority for the United States since volatile energy prices in the 1970’s. This period of time, known as the “Energy Crisis,” occurred due to an oil embargo and limited…|
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J. Holly Campbell and David R. Coyle, Southern Regional Extension Forestry Littleleaf disease is a forest health concern for several pine species in the southeastern United States. This disease is a particular problem for shortleaf pine (Pinus echinata Mill.) and is one reason why this species is less widely planted compared…|
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Private forest owners control most of the southern forest resource and are critical to maintaining forest health in the South. Record droughts, rising temperatures, increased frequency and intensity of wildfires, insect and plant invasions, and more intense storm events all pose threats to the health of Southern forests. Scientists project…|
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David Coyle and Mark Megalos, Southern Regional Extension Forestry Healthy forests provide many public benefits like clean air and water, wildlife and plant habitat, and diverse forest products that help the economy and ecosystem. Healthy forests also provide individuals with a greater opportunity to achieve their personal objectives such as the…|
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Experimental power determinations are very important to agriculture and other applied sciences. It is necessary to be able to detect small differences when human and animal health or production profitability are in question. Yet textbooks on biostatistics for agriculturalists generally barely introduce the subject of how to design an experiment to detect…|