...into a tiny yellow Ukalskoje apple. The project was developed by Cooperative Extension Service forestry specialist Bob Wheeler, who died in June. Wheeler was curious about the effect that the unheated high-tunnel greenhouses would have on...

...You've kind of got a double-whammy of higher insect survival and trees less able to provide defense," said Bob Wheeler, a forestry specialist with the Alaska Cooperative Extension. Milder winters and warmer summers can create problems...

...plots with species from the world's three circumpolar forest regions. UAF Cooperative Extension Service Forester Bob Wheeler said the trees and plants will be indigenous forest of northern Europe, Alaska-Canada and Siberia. Wheeler said...