British Columbia: A Natural History of Its Origins, Ecology, by Richard Cannings, Sydney Cannings

By Richard Cannings, Sydney Cannings

This revised and elevated version of an award-winning booklet not just explores British Columbia's attractive ecology but in addition positive factors an elevated specialise in weather swap. With increased sections at the province’s geological background, up-to-date info at the mountain pine beetle and the way forward for B.C.’s biodiversity, and clean info on many different issues, this variation contains new illustrations, photographs, sidebars, and new and revised maps.

Both an authoritative reference and an easy-to-read consultant, this revised variation is a needs to for an individual who desires specific and updated information regarding British Columbia’s mind-blowing usual world.

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Additional resources for British Columbia: A Natural History of Its Origins, Ecology, and Diversity with a New Look at Climate Change

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Elias and northern Coast Mountains. The Alsek River has been dammed repeatedly by advances of the Lowell and Tweedsmuir Glaciers—as late as the mid-1800s, the Lowell backed up the Alsek’s waters as far as Haines Junction, Yukon, before the lake suddenly drained, destroying Native villages at the river’s mouth in Dry Bay, Alaska. Where the Stikine River slices through the Coast Mountains, the aptly named Flood Glacier dams a tributary of the Flood River and creates Flood Lake.

Although first reported in 1922, the dinosaur trackways were not studied intensively until the site was about to be flooded by the W. A. C. Bennett Dam. Scientists, working quickly over four summers, located over seventeen hundred tracks, took casts of about two hundred and collected ninety individual footprints. They discovered that the tracks record the existence of at least seven species of dinosaurs and, even more fascinating, tracks of an ancient shorebird and one of the earliest marsupial mammals.

In about 1750, an eruption dammed the Tseax River in the Nass country, impounding Lava Lake and destroying villages of the Nisga’a people. The cinder cone of Hoodoo Mountain, near the southern end of the Alaska panhandle, is another volcano believed to be merely biding its time before erupting once more. The Cascade Volcanic Arc and the Rebirth of the Coast Mountains The compression that built the original Coast Mountains ended about 45 million years ago, and for the next 40 million years they lay quiescent, gradually eroding down to perhaps a low chain of hills.

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