Tag: "aspen" at biology news
Wolves gone, western ecosystems suffer
...d helped lead directly to the collapsing health of aspen
and some other tree species and vegetation. ...sts, in previous work, documented that the loss of aspen
and cottonwood trees in Yellowstone National Park dated almost exactly to the extermination of the l...
Tiny toads fitted with backpacks
...t survive anymore," Browne said. "It indicates the aspen
parkland is not as healthy as it used to be." Browne's studies will offer up clues as to how a balance can be struck between land development and the need to preserve breeding, foraging and hibernation habitats for toads and other amphibious species....
York researchers develop pollution-busting plants to clean up contaminated land
... to robust plants species such as trees, including aspen
and poplar, and perennial grasses. The technique can also be used to modify plants to resist other organic pollutants....
Important gene controlling tree growth and development found
...ay different critical daylengths. For instance, an aspen
tree from the middle of Germany stops growing and sets buds when the days get shorter than 16 hours. Compare this with a tree from northern Sweden which stops growing and prepares for winter already when the days get shorter than 21 hours long. Trees...
Discovery may speed forest biotechnology
... evolution and also performed similar functions in aspen
trees. To their surprise, however, the researchers...al conditions, the researchers found. They studied aspen
trees from different populations, and found that trees adapted to colder northern climates shut down...
Leibniz Prize winners 2007 announced
...n. By expressing the flower-identity gene LEAFY in aspen
plants, he was able to reduce the trees flowering time, which is normally more than eight years, to just a few months. This is significant especially in regard to the acceleration of marker-assisted breeding programmes, where earlier flowering saves ...
Presence of wolves allows aspen recovery in Yellowstone
...nd for the first time in more than 50 years, young aspen
trees are growing again in the northern range of Y...en restored to an important natural ecosystem, and aspen
trees are surviving elk browsing for the first time in decades. The research, done by forestry re...