A Measured Journey

Daniel B. Botkin

in Our Natural History

Published in print April 2004 | ISBN: 9780195168297
Published online September 2007 | e-ISBN: 9780199790050 | DOI:
 A Measured Journey

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  • Biodiversity and Conservation Biology


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This chapter focuses on the objectives of the Lewis and Clark expedition. These include the exploration of lands just obtained from France in the Louisiana Purchase under a treaty signed in Paris on April 30, 1803, and the discovery of the source of the Missouri River and the best water route from there to the Pacific Ocean. President Jefferson also wanted to know about the natural history of the West. What studies of the bowhead whale of the North Pacific teaches us about present status and past abundance of a large mammal, and mapping an environmental future, are discussed.

Keywords: Lewis; Clark; Louisiana Purchase; environment; bowhead whale

Chapter.  4288 words. 

Subjects: Biodiversity and Conservation Biology

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