Technical Report
 

The porcupine in Oregon : its life history and control

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https://ir.library.oregonstate.edu/concern/technical_reports/6t053h32f

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Abstract
  • This note was prepared to answer the questions most of ten asked by foresters concerned about the porcupine and its control. The literature was reviewed for information on the animal's life history and the extent of damage in other areas. Direct field work reported was done primarily near Medford, Oregon, in mixed species. Because of the increased amounts of damage occurring west of the Cascade Mountains, however, some observations were made in stands that were almost all Douglas-fir. It should be understood that control measures are under-taken only after the porcupine has become a pest animal and is causing damage to future crop p-ees. Porcupine populations occurring in noncommercial timber-producing areas are con­sidered as desirable components of the wilderness wildlife.
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Déclaration de droits
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  • Master files scanned at 600 ppi (256 Grayscale) using Capture Perfect 3.0 on a Canon DR-9080C in TIF format. PDF derivative scanned at 300 ppi (256 Grayscale), using Capture Perfect 3.0, on a Canon DR-9080C. CVista PdfCompressor 3.1 was used for pdf compression and textual OCR.
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file details RP_no_10.pdf 2017-07-18 Public Télécharger