Biological Expedition to Guadalupe and Cedros Islands, Mexico

May 12–24, 2001

Objectives

Carl Jackovich uses his tree-climbing skills to obtain cones from a large Monterey pine (Tree #27) on Guadalupe Island, May 15, 2001. Photo credit: Richard Hawley, Greenspace—The Cambria Land Trust


  • Analyze the threats to genetic diversity of the two Mexican island populations of Monterey pine, including natural and human-mediated influences.
  • Collect seeds from Monterey pine trees on Cedros and Guadalupe Islands.
  • Collect other information on the natural history and ecology of the islands that will assist in conservation and possibly restoration (in the case of Guadalupe Island) efforts (e.g., conditions influencing natural regeneration, demographic information, fire history).
  • Conserve some of the seeds in long-term storage and use others for research and possibly restoration (in the case of Guadalupe Island).
  • Prepare a report that documents the threats to genetic diversity, recommended conservation actions, and activities undertaken. This report will inform the financial sponsors of the success of their investment in this project, influence ongoing management of the tree populations, and serve as a case study for other local and international genetic conservation efforts, especially with respect to the collaborative strategy employed.
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