Insects and spiders can be found living in and using various habitats and niches—look out and discover them on the leaves and crevices of plants, on the base, barks and branches of trees, crawling around, under and on leaf litter and soil, on chain link fences, on concrete, stone and mud walls, and ceilings of houses and buildings. Don’t feel shy to bend down and peer under leaves of ...
Biologist Diane Wagner measures an aspen tree during leaf miner research on Ester Dome near Fairbanks in 2005. Photo by Ned Rozell. The caterpillar stage of the aspen leaf miner feeds on a leaf. Photo by Ned Rozell. The moth stage of an aspen leaf miner lays eggs on an aspen leaf bud in springtime. Photo by Pat Doak.
Stan Boutin has climbed more than 5,000 spruce trees in the last 30 years. He has often returned to the forest floor knowing if a ball of twigs and moss within the tree contained newborn red squirrel pups. Over the years, those squirrels have taught Boutin and his colleagues many things, including an apparent ability to predict the future. Boutin, of the University of Alberta in Edmonton, was ...
November Tree Festival ~ Season Watch by BSF | Don’t miss this opportunity to celebrate the end of the year in one of the best ways possible! Season watch invites you to organize and go on tree walks around you and SeasonWatch your trees. Participate, Complete the festival challenges and win exciting prizes! When:...
Interior Alaskan forests have only six native tree species: white spruce, black spruce, quaking aspen, balsam poplar, larch (tamarack) and paper birch. Northern Canadian forests have all of those, plus jack pine, balsam fir and lodgepole pine. Since northern Canada and interior Alaska share the same grueling climate and extremes of daylength, why are the Canadian tree species absent from ...