Katherine C. Kendall Daniel P. Reinhart Diana F. Tomback Stephen F. Arno Robert E. Keane David J. Mattson 2001 <p><span>Appropriately enough, much of this book is devoted to discussing management challenges and techniques. However, the impetus for action—the desire to save whitebark pine (<i>Pinus albicaulis</i>) - necessarily arises from the extent to which we cherish it for its beauty and its connections with other things that we value. Whitebark pine is at the hub of a fascinating web of relationships. It is the stuff of great stories (cf. Quammen 1994). One of the more interesting of these stories pertains to the dependence of certain grizzly bear (<i>Ursus arctos horribilis</i>) populations on its seeds, and the role that red squirrels (<i>Tamiasciurus hudsonicus</i>) play as an agent of transfer between tree and bear.</span></p> application/pdf en Island Press Whitebark pine, grizzly bears, and red squirrels chapter