Phylogeny is the representation of the evolutionary history and relationships between groups of organisms. The results are represented in a phylogenetic tree that provides a visual output of ...
A phylogeny is a hypothetical reconstruction of the evolutionary relationships of a group of organisms or a set of sequences (nucleotide or amino acid). Phylogenies are often represented graphically ...
Phylogenies are a fundamental tool for organizing our knowledge of the biological diversity we observe on our planet. But how exactly do we understand and use these devices? Tree diagrams have been ...
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.
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 ...