The Island RNA
| Name: |
The Island |
| Ownership: |
BLM |
| Type: |
RNA |
| State: |
Oregon |
| Ecoregion: |
Blue Mountains |
| District |
Prineville District |
| Acres: |
199 |
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The Island Research Natural Area (RNA) was established to represent western juniper/big sagebrush/bluebunch wheatgrass (Juniperus occidentalis/Artemisia tridentata/Pseudoroegneria spicata) and western juniper/big sagebrush/antelope bitterbrush/bluebunch wheatgrass (Juniperus occidentalis/Artemisia tridentata-Purshia tridentata/Pseudoroegneria spicata) plant associations in central Oregon. The RNA is located on a mesa isolated by steep cliffs and talus slopes just south of the confluence of the Deschutes and Crooked Rivers. The topography is flat and without drainages or surface water. The RNA was designated as a National Natural Landmark by the National Park Service in 2012 for being the best known and least disturbed example of native juniper savannah.
| Records and Plans: |
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| Research Publications Associated with this RNA: |
- Vegetation change and the role of atmospheric CO2 enrichment on a relict site in central Oregon: 1960-1994; Knapp, Paul A.; Soulé, Peter T. 1996
- Post-drought growth responses of western juniper (Juniperus occidentalis var. occidentalis) in central Oregon; Knapp, Paul A.; Soulé, Peter T.; Grissino-Mayer, Henri D. 2001
- Climatic regionalization and the spatio-temporal occurrence of extreme single-year drought events (1500-1998) in the interior Pacific Northwest, USA; Knapp, Paul A.; Grissino-Mayer, Henri D.; Soulé, Peter T. 2002
- A time comparison study of vegetation on The Island Research Natural Area in central Oregon; Fox, M. Anne; Eddleman, Lee E. 2003
- Detecting potential regional effects of increased atomspheric CO2 on growth rates of western juniper Knapp, P. A.; Soule, P. T.; Grissino-Mayer, H. D. 2001
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