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US Forests Are Not Keeping Pace With Climate Change
2011-11-01 04:33:14

More than half of eastern U.S. tree species examined in a massive new Duke University-led study aren't adapting to climate change as quickly or consistently as predicted. "Many models have suggested that trees will migrate rapidly to higher latitudes and elevations in response to warming temperatures, but evidence for a consistent, climate-driven northward migration is essentially absent in this large analysis," says James S. Clark, H.L. Blomquist Professor of Environment at Duke's...

2011-09-30 13:40:00

Grants will support the development of new geospatial tools to enable cities to expand their urban forests in order to reap the benefits of stormwater infiltration, lower energy costs, improved air quality and more attractive places. Philadelphia, PA (PRWEB) September 30, 2011 Azavea, an award-winning geospatial analysis (GIS) software development company, was awarded a Phase I Small Business Innovation Research (SBIR) grant to create software tools that will assist in prioritizing urban...

2011-09-26 07:00:00

Tree care provider sees sharp increase in tree damage reports following recent severe weather. Atlanta GA (PRWEB) September 26, 2011 While the fierce flooding generated by Hurricane Irene left much of the Eastern Seaboard underwater, the high winds caused another kind of damage, namely the uprooting and damage to trees throughout the stormâs path. Many tree care companies are reporting sharp increases in their business over the last few weeks. Public works crews were busy...

2011-08-12 00:00:28

Tens of millions of ash trees are being killed by emerald ash borers, a flat headed borer with no natural predators in the United States. Few insecticides have been effective in controlling this attack"”at least, until now. (PRWEB) August 10, 2011 Research in Toledo, Ohio shows Optrolâ“ž¢, a concentrated 21.4% imidacloprid formula developed by PlantCare Science, has proven effective in protecting ash trees from emerald ash borer, according to studies by...

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2011-07-27 05:55:00

Nibbling by herbivores can have a greater impact on the width of tree rings than climate, new research has found. The study, published this week in the British Ecological Society's journal Functional Ecology, could help increase the accuracy of the tree ring record as a way of estimating past climatic conditions. Many factors in addition to climate are known to affect the tree ring record, including attack from parasites and herbivores, but determining how important these other factors have...

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2011-07-26 08:41:28

Contrary to expectations, researchers have discovered that the conifers of the Pacific Northwest, some of the tallest trees in the world, face their greatest water stress during the region's eternally wet winters, not the dog days of August when weeks can pass without rain. Due to freeze-thaw cycles in winter, water flow is disrupted when air bubbles form in the conductive xylem of the trees. Because of that, some of these tall conifers are seriously stressed for water when they are...


Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'