News tagged with nonnative
Report shows US wildlife trade poorly regulated
Apr 30, 2009 |
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Wildlife imports into the United States are fragmented and insufficiently coordinated, failing to accurately list more than four in five species entering the country, a team of scientists has found. The effect, ...
Northwest salmon recovery plan may include breaching dams
Sep 16, 2009 |
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In a case closely followed by environmental and business interests, a rewritten plan for restoring endangered and threatened wild salmon runs on the Columbia and Snake rivers in Washington state and Idaho includes studying ...
Scientist names top 5 invasive plants threatening Southern forests in 2009
Jan 12, 2009 |
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U.S. Forest Service Southern Research Station (SRS) Ecologist Jim Miller, Ph.D., one of the foremost authorities on nonnative plants in the South, today identified the invasive plant species he believes pose the biggest threats ...
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Rare vine in Hawaii designated endangered species
Mar 17, 2009 |
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(AP) -- A rare Hawaii vine has been added to the endangered species list, the U.S. Fish and Wildlife Service said Tuesday.
Woody and aquatic plants pose greatest invasive threat to China
Biology /
May 01, 2008 |
4.7 / 5 (3) |
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Although China currently has fewer invasive woody plants than the United States, China’s potential for invasion by nonnative trees and shrubs is high, according to an article in the May 2008 issue of BioScience.
Study finds hemlock trees dying rapidly, affecting forest carbon cycle
Feb 26, 2009 |
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New research by U.S. Forest Service Southern Research Station (SRS) scientists and partners suggests the hemlock woolly adelgid is killing hemlock trees faster than expected in the southern Appalachians and rapidly altering ...
Invasive grass may impede forest regeneration
Biology /
Apr 09, 2007 |
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The nonnative invasive grass Microstegium vimineum may hinder the regeneration of woody species in southern forests. Chris and Sonja Oswalt (Forest Service Southern Research Station) and Wayne Clatterbuck (University of Tennessee) ...
Tiny invasive snail impacts Great Lakes, alters ecology
Biology /
Aug 08, 2008 |
4.7 / 5 (9) |
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Long a problem in the western U.S., the New Zealand mud snail currently inhabits four of the five Great Lakes and is spreading into rivers and tributaries, according to a Penn State team of researchers. These tiny creatures ...
Loss of hemlocks will affect water dynamics in southern Appalachian forests
Jul 09, 2007 |
4.7 / 5 (15) |
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Forest Service (FS) research has provided the first estimates on the impact the loss of eastern hemlock will have on the water dynamics of the southern Appalachian mountains. In the June 2007 issue of Ecological ...
From pythons to fungus, species invading US
Jul 08, 2009 |
5 / 5 (3) |
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(AP) -- A pet Burmese python broke out of a glass cage last week and killed a 2-year-old girl in her Florida bedroom. The tragedy became the latest and most graphic example of a problem that has plagued the ...
Plant viruses from past provide ecological clues
Biology /
Oct 08, 2007 |
4.8 / 5 (8) |
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Taking the medical history of a grassland may seem a bit esoteric – after all, how sick can grass be? However, scientists have discovered plant viruses from as early as 1917 containing information crucial ...
Current level of oyster farming unlikely to have substantial impact on Drakes Estero ecosystem
May 05, 2009 |
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A new report from the National Research Council finds a lack of strong scientific evidence that the present level of oyster farming operations by Drakes Bay Oyster Co. (DBOC) has major adverse effects on the ecosystem of ...
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