News tagged with plant ecology
Deterring signals: Tobacco plants advertise their defensive readiness to attacking leafhoppers
Following herbivory, plants produce jasmonic acid, a hormone which activates several plant defense reactions. Scientists found that leafhoppers can evaluate whether tobacco plants are ready for defense when attacked. If jasmonate-signaling ...
May 23, 2012 |
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Common fungicide wreaks havoc on freshwater ecosystems
Chlorothalonil, one of the world's most common fungicides used pervasively on food crops and golf courses, was lethal to a wide variety of freshwater organisms in a new study, University of South Florida researchers said ...
May 16, 2012 |
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European mountain plant population shows delayed response to climate change
A modeling study from the European Alps suggests that population declines to be observed during the upcoming decades will probably underestimate the long-term effects of recent climate warming on mountain plants. A European ...
May 07, 2012 |
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Same samples, different analytical strategies, complementary inferences
(Phys.org) -- The results of two separate but complementary analyses on 400 samples of Hanford Site groundwater appeared together in the journal of the International Society for Microbial Ecology. The studies ...
Apr 11, 2012 |
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Study shows forest insects and diseases arrive in US via imported plants
The trade in live plants from around the world has become a major industry in the United States, with new imports now valued at more than $500 billion annually. According to a study conducted by researchers ...
Apr 09, 2012 |
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Which plants will survive droughts, climate change?
(PhysOrg.com) -- New research by UCLA life scientists could lead to predictions of which plant species will escape extinction from climate change.
Apr 06, 2012 |
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Bacteria tend leafcutter ants' gardens
(PhysOrg.com) -- Leafcutter ants, the tiny red dots known for carrying green leaves as they march through tropical forests, are also talented farmers that cultivate gardens of fungi and bacteria. Ants eat ...
Mar 01, 2012 |
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Heavy metal pollution causes severe declines in wild bees
Wild bees are important pollinators and numerous studies dealing with pollination of wild plants and crops underline their vital role in ecosystems functioning. While honey bees can be easily transported to ...
Feb 29, 2012 |
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Invasive plant protects Australian lizards from invasive toad
An invasive plant may have saved an iconic Australian lizard species from death at the hands of toxic cane toads, according to research published in the March issue of The American Naturalist. It's an int ...
Feb 22, 2012 |
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Jurassic salamanders with stomach contents found from Inner Mongolia
Paleontologists from Chinese Academy of Sciences reported two Jurassic salamanders with stomach contents from Daohugou, Ningcheng County, Inner Mongolia, China, as reported in Chinese Science Bulletin online ...
Other Sciences / Archaeology & Fossils
Feb 06, 2012 |
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New insights into invasive plant management
Over a decade of research at the U.S. Department of Agriculture (USDA) has resulted in the development of a new matrix for invasive plant management. The model was created by scientists with the Agricultural ...
Feb 06, 2012 |
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Fungi-filled forests are critical for endangered orchids
When it comes to conserving the world's orchids, not all forests are equal. In a paper to be published Jan. 25 in the journal Molecular Ecology, Smithsonian ecologists revealed that an orchid's fate hinges ...
Jan 24, 2012 |
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Dramatic links found between climate change, elk, plants, and birds
Climate change in the form of reduced snowfall in mountains is causing powerful and cascading shifts in mountainous plant and bird communities through the increased ability of elk to stay at high elevations over winter and ...
Jan 10, 2012 |
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Trees influence epiphyte and invertebrate communities
Studies in temperate regions have demonstrated that genetic differences between individual trees affect the ecological communities and ecosystem processes associated with them. Now scientists at Manchester ...
Jan 05, 2012 |
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Climate change models may underestimate extinctions
Predictions of the loss of animal and plant diversity around the world are common under models of future climate change. But a new study shows that because these climate models don't account for species competition ...
Jan 04, 2012 |
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