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2011-09-27 14:22:13

An analysis of two decades of data collected by the U.S. Forest Service´s Forest and Inventory Analysis (FIA) program shows that the live volume of hemlocks in the eastern United States is increasing despite infestations of hemlock woolly adelgidthat have decimated local populations. The information comes from an e-Science Update co-authored by scientists from two U.S. Forest Service research stations, the Northern Research Station (NRS) and the Southern Research Station (SRS), and...

2011-09-27 11:33:25

A recent analysis of two decades of USDA Forest Service Forest Inventory and Analysis (FIA) data shows the live volume of hemlocks in the eastern United States still increasing despite spreading infestations of hemlock woolly adelgid. FIA scientists from the Forest Service Southern Research Station (SRS) and Northern Research Station (NRS) published the information as an SRS e-Science Update in early August. The FIA researchers conducted the analysis for this update on 20 years of data...

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2011-07-22 05:44:32

By Joshua E. Brown, University of Vermont Hemlock is the third most common tree species in Vermont. But it soon may drop off the list, going the way of the now-vanished chestnut and elm. An invasive pest, hemlock woolly adelgid, has been marching and munching its way north along the Appalachians "” killing pretty much every hemlock it can sink its sap-sucking mouthparts into. The adelgid recently arrived in southern Vermont. So far, only extreme cold stops the hemlock woolly adelgid....


Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'kardia,' heart.
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