| Nitrogen status in Oregon Coast Range forest communities | |
Abstract/OtherAbstract
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Graduation date: 1981, Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) roots in four plant communities--ocean spray (Holodiscus discolor (Pursh). Maxim.)/salal (Gaultheria shallon Pursh), vine maple (Acer circinatum Pursh)/salal, sword-fern (Polystichum munitum (Kaulf.) Presi. var. munitum) and sword-f ern/oxalis (Oxalis oregana Nutt.)--were sampled for soluble nitrogen concentrations. Sampling prior to bud burst in the salal communities showed lower concentrations of soluble nitrogen than in the sword-fern communities. Summer samples showed no significant differences. Results suggest that salal community types experience minimum soluble nitrogen levels throughout the year while sword-fern community types experience higher nitrogen status during winter. Management practices that conserve or add nitrogen are more critical in salal community types., PDF derivative scanned at 300 ppi (256 B&W), using Capture Perfect 3.0, on a Canon DR-9080C. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR. |
Authors
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Alexander, Joseph Richard |
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Contributors
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Ferrell, William K. |
Publication Detail
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Publisher : - Type : Thesis Format : - |
Date Detail
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2009-01-21, 2009-01-21, 1980-12-10 |
Subject
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Nitrogen, Plant communities |
Coverage
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- |
Relation
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Source
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Copyright Information
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- |
Other Details
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Languages : en_US |
Export Citation
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