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An Economic Analysis of Emerald Ash Borer Management Options
A new study examines several
options for managing the
emerald ash borer, an
invasive insect that is
destroying US ash trees. ... > full story
Invasive Alien Predator Causes Rapid Declines of European Ladybugs
A new study provides
compelling evidence that the
arrival of the invasive
non-native harlequin
ladybird (ladybug) to
... > full story
Tree Rings May Underestimate Climate Response to Volcanic Eruptions
Some climate cooling caused
by past volcanic eruptions
may not be evident in
tree-ring reconstructions of
temperature change because
... > full story
Yellow-Cedar Are Dying in Alaska: Scientists Now Know Why
Yellow-cedar, a culturally
and economically valuable
tree in southeastern Alaska
and adjacent parts of
British Columbia, has been
dying off across large
... > full story
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For the Birds: Winged Predators Seek Certain Trees When Foraging for Caterpillars
January 26, 2012 — Location matters for birds on the hunt for caterpillars, according to researchers. Findings suggest that chickadees and others zero in on the type of tree as much as the characteristics of their ... > full story -
Jostling for Position: Competition at the Root of Diversity in Rainforests
January 26, 2012 — Another attractive theory falls foul of the facts. A census of trees in rainforests on three continents has confirmed that competition plays a central role in structuring communities. This ... > full story -
Wasp Found in Upstate New York Shows Up in Southern California
January 24, 2012 — In August 2010, an entomologist at the University of California, Riverside discovered a tiny fairyfly wasp in upstate New York that had never been seen in the United States until then. Nearly exactly ... > full story -
Speed Limit for Birds: Researchers Find Critical Speed Above Which Birds -- And Drones -- Are Sure to Crash
January 19, 2012 — The northern goshawk is one of nature's diehard thrill-seekers. The formidable raptor preys on birds and small mammals, speeding through tree canopies and underbrush to catch its quarry. While speed ... > full story -
'Miracle Tree' Substance Produces Clean Drinking Water Inexpensively and Sustainably
January 18, 2012 — A natural substance obtained from seeds of the "miracle tree" could purify and clarify water inexpensively and sustainably in the developing world, where more than 1 billion people lack access to ... > full story -
New Hope to Save Hemlock Trees from Attack
January 10, 2012 — Thousands of broken trees line the banks of the Chattooga River. The dead gray stabs were once evergreen monsters offering shade to trout and picturesque views to visitors. These Eastern hemlocks are ... > full story -
Frogs Use Calls to Find Mates With Matching Chromosomes; Tree Frogs That Look Similar Hear Chromosome Difference in Calls
December 27, 2011 — When it comes to love songs, female tree frogs are pretty picky. According to a new study, certain female tree frogs may be remarkably attuned to the songs of mates who share the same number of ... > full story -
Sea Cucumbers: Dissolving Coral Reefs?
December 22, 2011 — Coral reefs are extremely diverse ecosystems that support enormous biodiversity. But they are at risk. Carbon dioxide emissions are acidifying the ocean, threatening reefs and other marine organisms. ... > full story -
Computerized Tool Takes a Bite out of Traditional Apple Testing
December 13, 2011 — To measure the crispness of apples without relying on human test panels, researchers used a computerized penetrometer to assess firmness and texture of apple varieties and compared the results with ... > full story -
The Case of the Dying Aspens
December 12, 2011 — Over the past 10 years, the death of forest trees due to drought and increased temperatures has been documented on all continents except Antarctica. This can in turn drive global warming by reducing ... > full story
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