This is not surprising for populations inhabiting ephemeral habitats, or for high altitude populations that face extreme environmental conditions as these often do experience fluctuations in population size [ 45, 52].
Finally, plants from high altitudes are faced with other stresses like UV-B radiation, which may be correlated with thermotolerance and Hsps.
The Americans, training this week in Fort Lauderdale, Fla., having deemed it pointless to work out at high altitude, will be facing a wounded but still dangerous Mexican team fighting for its pride.
While some in the scientific and climbing communities worry about the effects of severe altitude on children, there is no conclusive evidence that an adolescent is at greater risk of getting acute mountain sickness, a potentially fatal condition that mountaineers can face at high altitude.
Although he faced below freezing temperatures at the high altitude, he was able to shoot down a German aircraft before returning to base.
As a result of the high altitude, a team member developed clotting in his veins and faced death if a clot reached his lungs.
Strapped to a High Altitude Balloon (also known as a "poor man's satellite"), one camera was facing downwards capturing the earth's surface, while the second camera was facing towards the horizon.
That's the huge infrastructure challenge faced by Indonesia, and one that Google hopes to address using its high altitude 'Project Loon' balloons.
High Altitude Pathology Institute.
