St.Lawrence (The)From river to estuary to gulf, the St. Lawrence covers nearly 3000 kilometers between the Great Lakes and the Atlantic Ocean. This carefully laid out book pays tribute to one of the richest natural heritages of North America. It explores a succession of freshwater and marine habitats amidst which flourishes a diversified flora and fauna. Abundant photographs reveal contrasting landscapes, familiar and strange animals, as well as luxuriant terrestrial