Oxygen consumption by Dendroctonus pseudotsugae Hopkins Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/2801pk30f

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  • Oxygen uptakes of Douglas-fir beetles collected during November 1969 through April 1970 were measured at different experimental temperatures. The oxygen uptakes of adult beetles increased at each experimental temperature as the seasons progressed from winter to spring. The larval and pupal Douglas-fir beetles, collected in February 1970, had lower oxygen uptake levels at 10°, 20° and 30°C than did the adults, but the proportional changes in these uptake levels were not significantly different. Dendroctonus pseudotsugae, D. ponderosae and D. valens, collected in November 1969, had different levels of oxygen uptake at the three experimental temperatures, but the proportional changes in the log oxygen uptakes with changing temperature were not significantly different. The larger species, D. valens, respired at a lower level than did either of the smaller species. The oxygen uptake levels of the larval D. ponderosae were not significantly different than those of the adults.
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  • File scanned at 300 ppi (Monochrome, 256 Grayscale, 24-bit Color) using Capture Perfect 3.0.82 on a Canon DR-9080C in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Approved for entry into archive by Katy Davis(kdscannerosu@gmail.com) on 2014-02-04T17:24:59Z (GMT) No. of bitstreams: 1 KingKeith1971.pdf: 1349588 bytes, checksum: 9939e7984d27857040b5184cda86b27b (MD5)
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2014-01-29T14:08:30Z (GMT) No. of bitstreams: 1 KingKeith1971.pdf: 1349588 bytes, checksum: 9939e7984d27857040b5184cda86b27b (MD5)
  • description.provenance : Made available in DSpace on 2014-02-04T17:24:59Z (GMT). No. of bitstreams: 1 KingKeith1971.pdf: 1349588 bytes, checksum: 9939e7984d27857040b5184cda86b27b (MD5) Previous issue date: 1970-08-08

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