News tagged with seed dispersal
Related topics: seeds
Diverse ecosystems are crucial climate change buffer
Preserving diverse plant life will be crucial to buffer the negative effects of climate change and desertification in in the world's drylands, according to a new landmark study.
Jan 12, 2012 |
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Climate change driving tropical birds to higher elevations
Tropical birds are moving to higher elevations because of climate change, but they may not be moving fast enough, according to a new study by Duke University researchers.
Dec 08, 2011 |
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Rainforest plant developed sonar dish to attract pollinating bats
The researchers discovered that a rainforest vine, pollinated by bats, has evolved dish-shaped leaves with such conspicuous echoes that nectar-feeding bats can find its flowers twice as fast by echolocation. The study is ...
Jul 28, 2011 |
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Hikers spread invasive plant seeds accidentally
Hikers may be inadvertently helping to spread invasive plants across the largest national park in Australia's New South Wales, a study has found.
Jul 25, 2011 |
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Researchers link oceanic land crab extinction to colonization of Hawaii
University of Florida researchers have described a new species of land crab that documents the first crab extinction during the human era.
May 16, 2011 |
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Genetics of Arctic plants under serious threat from climate change, study says
A new EU study by a team of Austrian, French and Norwegian researchers has found that rising temperatures as a result of climate change will have differing genetic consequences within single Arctic plant species. ...
Jan 30, 2012 |
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Pilbara mistletoe faces sub-regional extinction
A new study from the Department of Environment and Conservation suggests long-term modern fire regimes could pose a threat to WA mistletoes (Loranthaceae sp).
Dec 19, 2011 |
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Are all alien encounters bad?
The pages of ecological history are filled with woeful tales of destruction from non-native species -- organisms that originated elsewhere.
Aug 30, 2011 |
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Nuts go furthest with the early bird
Toucans in the tropics disperse nutmegs the furthest in the morning, according to research by Wageningen UR ecologist Patrick Jansen.
Aug 17, 2011 |
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War on willows
Willows are major environmental weeds of riverbank habitats across much of south-eastern Australia. They obstruct water flow, increase water temperature, change water chemistry and can displace native riverine ...
Jul 29, 2011 |
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Toucans wearing GPS backpacks help Smithsonian scientists study seed dispersal
Nutmeg-loving toucans wearing GPS transmitters recently helped a team of scientists at the Smithsonian Tropical Research Institute in Panama address an age-old problem in plant ecology: accurately estimating ...
Jul 28, 2011 |
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Evolution and domestication of seed structure shown to use same genetic mutation
For the first time, scientists have identified a mutation in plants that was selected twice - during both natural evolution and domestication.
Jul 07, 2011 |
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Overfished Amazon fish disperse seeds long distances
(PhysOrg.com) -- The gamitana fish, a close relative of the flesh-eating piranha, mostly eats fruit and can carry seeds down the Amazon River as far as 3 miles (5 kilometers), reports a new Cornell study, ...
Apr 19, 2011 |
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Uncertain future for Joshua trees projected with climate change
Temperature increases resulting from climate change in the Southwest will likely eliminate Joshua trees from 90 percent of their current range in 60 to 90 years, according to a new study led by U.S. Geological Survey ecologist ...
Mar 24, 2011 |
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How spring-loaded filaree seeds self launch
When filaree seeds ripen and burst, they are launched with an inbuilt spring. Scientists based at the University of California, Berkeley, and Harvard University have discovered that the inbuilt spring stores energy as the ...
Jan 27, 2011 |
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