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WOOD PILE
Application of statistical method shows promise mitigating climate change effects on pine
by Staff Writers
Alexandria VA (SPX) Apr 24, 2017


Loblolly pine is the most important commercial pine species in the U.S. More than 39 million acres of pine plantations span the South, and about 1 million acres are planted every year by small landowners and forestry companies.

Confronting evidence that the global climate is changing rapidly relative to historical trends, researchers at North Carolina State University have developed a new statistical model that, when applied to the loblolly pine tree populations in the southeastern United States, will benefit forest landowners and the forest industry in future decades. The research, titled "Optimal Seed Deployment Under Climate Change Using Spatial Models: Application to Loblolly Pine in the Southeastern US" appears in the Journal of The American Statistical Association.

"In the past, statistical approaches that were used to help guide forest management decisions like strategic seedling planting had limitations," note the authors. "Our proposed model, which is based on future climate change scenarios, produces more accurate predictions than previous methods. As a result, it can be used as a quantitative tool for designing forest management strategies that mitigate the negative impacts of climate change."

The findings are the result of the Cooperative Tree Improvement Program, a joint effort between NC State's Department of Forestry and Natural Resources and Department of Statistics, in which NC State and its members carried out breeding of loblolly pine families and established a large number of field trials in approximately 25 locations across the southern U.S. in the early 1990s.

Stress to the loblolly pine plantations in the southern U.S. from projected temperature increases and likely precipitation decreases due to climate change could have significant economic and environmental impacts. The optimal seed sources that have been planted for decades will no longer be the optimal seed sources to plant today or in the future. The authors suggest an optimal assisted migration of loblolly pine seed sources from southern and warmer regions to northern and colder areas in the southeastern U.S. to mitigate adverse climate change effect.

Loblolly pine is the most important commercial pine species in the U.S. More than 39 million acres of pine plantations span the South, and about 1 million acres are planted every year by small landowners and forestry companies.

Timber market models forecast overall production in the U.S. will increase by one-third leading up to 2040, and nearly all this growth will come from the South, which currently produces more timber than any country in the world. In addition to the financial benefits to landowners, loblolly pine plantations provide clean water and habitat for countless species in the region.

WOOD PILE
Belgium's 'fairytale' bluebell forest victim of own beauty
Halle, Belgium (AFP) April 22, 2017
A carpet of bluebells bursts into flower in Belgium in a wonder of the natural world - but one that is at risk of being trampled by tourists drawn to its beauty. For two or three weeks in April the ground of the Hallerbos wood just outside the drab capital of Brussels is transformed into a breathtaking sea of shimmering purple. "The scene is like in a fairytale, we're still expecting a ... read more

Related Links
American Statistical Association
Forestry News - Global and Local News, Science and Application


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