At TC book sale, a chance to search out unknown gems
Finding an unknown gem is one of the thrills of major book events such as the Times Colonist book sale, which takes place this Saturday and Sunday.
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Finding an unknown gem is one of the thrills of major book events such as the Times Colonist book sale, which takes place this Saturday and Sunday.
Up until humans started to modify the landscape with machines using fossil fuels it could have been argued that the beavers had the greatest impact on the landscapes in North America. Two American geologists Ruedeman and Schoonmake in the 1930s were convinced that it was beavers working over many 100s of years that had changed a V-shaped valley into overlapping layers of sediments by damming streams to make small ponds which filled with sediment. This process is described in a book by Frances Backhouse, Once They Were Hats, In search of the Mighty Beaver.
Our consumption habits almost extinguished this remarkable dam builder and ecosystem modifier
Our consumption habits almost extinguished this remarkable dam builder and ecosystem modifier
Our consumption habits almost extinguished this remarkable dam builder and ecosystem modifier