A Directory of Research Natural Areas on Federal Lands of the United States of America PDF Download
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Author:
Publisher:
ISBN:
Category : Research natural areas
Languages : en
Pages : 132
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Book Description
Author:
Publisher:
ISBN:
Category : Research natural areas
Languages : en
Pages : 132
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Book Description
Author: United States. Federal Committee on Research Natural Areas
Publisher:
ISBN:
Category : Natural areas
Languages : en
Pages : 140
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 280
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Book Description
Author: United States. Federal Committee on Research Natural Areas
Publisher:
ISBN:
Category : Natural areas
Languages : en
Pages : 148
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Book Description
Author: Glenn M. Hawk
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ISBN:
Category : Little Sink Research Natural Area (Or.)
Languages : en
Pages : 16
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Author: Reid Schuller
Publisher:
ISBN:
Category : Ecological surveys
Languages : en
Pages : 32
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Book Description
This guidebook describes Powell Butte Research Natural Area, a 210-ha (520-ac) tract established to represent examples of the western juniper/big sagebrush/Idaho fescue (Juniperus occidentalis/Artemisia tridentata/Festuca idahoensis) plant association, the western juniper/big sagebrush/bluebunch wheatgrass (Juniperus occidentalis/Artemisia tridentata/Pseudoroegneria spicata) plant association, and the western juniper/bluebunch wheatgrass (Juniperus occidentalis/Pseudoroegneria spicata) plant association.
Author: Reid Schuller
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 32
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Book Description
This guidebook describes the Forest Peak Research Natural Area, a 62.8-ha (153.3-ac) tract containing a mature Douglas-fir (Pseudotsuga menziesii) forest and a grass bald within the Willamette Valley Foothill Ecoregion. Forest Peak RNA also contains an undisturbed third-order stream reach.
Author: Reid Schuller
Publisher:
ISBN:
Category : Carolyn's Crown/Shafer Creek Research Natural Area (Or.)
Languages : en
Pages : 32
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Book Description
Author: Reid Schuller
Publisher:
ISBN:
Category : Ecological surveys
Languages : en
Pages : 32
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Book Description
This guidebook describes the Little Sink Research Natural Area, a 32.38-ha (80-ac) tract occupying an area of geologically unstable marine siltstone exhibiting natural geomorphic disturbances including landslides, slump benches, scarps, basins and ponds. The area supports forested stands dominated by Douglas-fir (Pseudotsuga menziesii) as well as stands codominated by Douglas-fir and bigleaf maple (Acer macrophyllum) representative of coniferous forest along the foothills of the Willamette Valley.
Author: Reid Schuller
Publisher:
ISBN:
Category : Ecological surveys
Languages : en
Pages : 36
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Book Description
"This guidebook describes Forest Creeks Research Natural Area, a 164-ha (405-ac) area comprising two geographically distinct canyons and associated drainages. The two units have been established as examples of first- to third-order streams originating within a ponderosa pine (Pinus ponderosa) zone. The two riparian areas also represent examples of the mountain alder-redosier dogwood (Alnus incana-Cornus sericea ssp. sericea), and the redosier dogwood-mockorange (Cornus sericea ssp. sericea-Philadelphus lewisii) plant associations." --
