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  1. Sitka Sedge State Natural Area 2016 draft master plan

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    This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.

  2. Tryon Creek State Natural Area bird checklist

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    This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.

  3. Tryon Creek State Natural Area wildlife checklist

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    This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.

  4. Portland : Natural resources protection plan for the Columbia South Shore

    163 pp. Bookmarks supplied by UO. Includes maps. Adopted November, 1993; republished June, 2000. Captured December 21, 2007.

  5. Constraints to urban park visitation: Conceptual connections and spatial attributes for traditionally well-served and...

    Connecting with nature is associated with social, physical, and emotional benefits such as stress relief, improved physical health, and lower crime. Parks and other natural areas offer spaces in which to...

  6. Protected-area effectiveness near dynamic colonization zones:

    Protected natural areas are important reserves for biodiversity, and in the tropics, often play a role in deterring deforestation. This paper evaluates the effectiveness of a protected-area with a

  7. Optimizing spatial and temporal aspects of nature reserve design under economic and ecological objectives

    Alteration of natural areas in attempts to support increasing human populations has been a crucial yet less publicized contributor to the fall of many of the world's greatest civilizations, since healthy...

  8. The heritage program: 25 years old and looking ahead assessing the future of the heritage program : final report

    Over the last 25 years numerous approaches, understandings, and perceptions about natural areas have changed – changes which affect the relevance of programs such as the Heritage Program. As one participant...

  9. One approach to the development of a simple Geographic Information System for management of natural resource areas

  10. Brian Booth State Park comprehensive plan, draft

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    Comprehensive plan -- Appendix A. Supplemental natural resource data -- Appendix B. Vegetation inventory and botanical resource assessment for the Beaver Creek State Natural Area and Ona Beach State Park...

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