Assessing trends and vulnerabilities in the mutualism between whitebark pine (Pinus albicaulis) and Clark's nutcracker (Nucifraga columbiana) in national parks of the Sierra-Cascade region.

Dispersal of whitebark pine (Pinus albicaulis Engelm.), a keystone species of many high-elevation ecosystems in western North America, depends on Clark's nutcracker (Nucifraga columbiana Wilson), a seed-caching bird with an affinity for whitebark seeds. To the extent that this dependence is mut...

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Bibliographic Details
Main Authors: Chris Ray, Regina M Rochefort, Jason I Ransom, Jonathan C B Nesmith, Sylvia A Haultain, Taza D Schaming, John R Boetsch, Mandy L Holmgren, Robert L Wilkerson, Rodney B Siegel
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2020-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0227161