The food and feeding chronology of yellow perch (Perca flavescens) in Lake Washington Public Deposited

http://ir.library.oregonstate.edu/concern/defaults/cc08hg87k

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  • The food habits of yellow perch in Lake Washington were studied over a period of nine months. Altogether, 549 yellow perch were examined for the stomach contents. The food consisted mainly of cottids, mysid shrimp, and chironomid pupae and larvae; the predominant food item being the mysid shrimp. There was no difference in the food consumed between the different sexes and between the different size groups. However, a considerable seasonal variation in the consumption of different food items was seen. Maximum feeding by perch during the day was observed just before dusk, and the daily ration was calculated to be about 0.014 grams per gram of body weight.
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  • 346390 bytes
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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 B&W), 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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  • description.provenance : Submitted by Adam Powell (apscanner@gmail.com) on 2008-02-07T20:09:14Z No. of bitstreams: 1 Internal Report_155.pdf: 346390 bytes, checksum: 7f1f946d05c13464c0eccc803127dd34 (MD5)
  • description.provenance : Approved for entry into archive by Laura Wilson(laura.wilson@oregonstate.edu) on 2008-02-08T18:41:38Z (GMT) No. of bitstreams: 1 Internal Report_155.pdf: 346390 bytes, checksum: 7f1f946d05c13464c0eccc803127dd34 (MD5)
  • description.provenance : Made available in DSpace on 2008-02-08T18:41:38Z (GMT). No. of bitstreams: 1 Internal Report_155.pdf: 346390 bytes, checksum: 7f1f946d05c13464c0eccc803127dd34 (MD5) Previous issue date: 1973

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