News tagged with maple

Seeing the forest under the trees

( -- Scientists recently discovered nitrogen that falls from the atmosphere in acid rain can influence large tracts of sugar maples in North America.

dateDec 08, 2011 in Ecology
shares0 comments 0

Lockheed Martin develops maple-seed-like drone

The seeds that drop from maple trees each fall, whirring softly to the ground like silent one-winged helicopters, are the inspiration for a new kind of flying machine that could be useful for military information-gathering.

dateAug 15, 2011 in Robotics
shares0 comments 39

Research maps out trade-offs between deer and timber

Since the 1950s, sustainability in northern hardwood forests was achieved by chopping down trees in small clumps to naturally make room for new ones to spring up. Early experiments with single-tree and group selection logging ...

dateMay 10, 2011 in Ecology
shares0 comments 0

Climate change threatens many tree species: researchers

Global warming is already affecting the earth in a variety of ways that demand our attention. Now, research carried out at the Hebrew University of Jerusalem indicates that many tree species might become extinct due to climate ...

dateJan 24, 2011 in Ecology
shares0 comments 0

Iron legacy leaves soil high in manganese

( -- Iron furnaces that once dotted central Pennsylvania may have left a legacy of manganese enriched soils, according to Penn State geoscientists. This manganese can be toxic to trees, especially sugar maples, ...

dateDec 10, 2010 in Environment
shares0 comments 1