Graduate Thesis Or Dissertation

 

Watershed-level patterns among stream amphibians in the Blue River watershed, West-Central Cascades of Oregon 公开 Deposited

可下载的内容

下载PDF文件
https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/3197xr39g

Header

Attribute Name LabelAttribute Values Label
Creator
Abstract
  • Most recent research on stream amphibians in the Pacific Northwest has focused on associations with reach-level or stand-level environmental features. Little is known about landscape-level distributions of these species or landscape-level aspects of their life-histories. I used a watershed-wide sample and logistic regression to develop models and maps of probability of occurrence throughout the Blue River watershed stream network using widely-available and/or easily-derivable explanatory variables in pixelized GIS format. I also developed an innovative multi-scale model-building process to discern the strength of association of site-level variables in the presence of larger-scale, context variables. Finally, I investigated size distributions of stream amphibians within the stream network. Cascade torrent salamander larvae occurred only in a narrow range of stream sizes in the stream network. Tailed frog life stages differed in their occurrence within the stream network. Average sizes of Pacific giant salamander larvae were larger in larger streams. The strength of association of abstract, large-scale variables in the presence of detailed instream variables in multi-scale models indicated that some aspects of the environment which more directly affect the distribution of stream amphibians were not measured.
Resource Type
Date available
Date issued
Degree Level
Degree Name
Degree Field
Degree Grantors
Graduation Year
Contributor Advisor
Contributor Committeemember
Academic Affiliation
Other Affiliation
Subject
权利声明
Publisher
Language
File Format
File Extent
  • 10529293 bytes
Digitization Spec
  • 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, 256 Grayscale), using Capture Perfect 3.0, on a Canon DR-9080C. CVista PdfCompressor 3.1 was used for pdf compression and textual OCR.
Replaces
Additional Information
  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2008-04-07T22:07:02Z (GMT) No. of bitstreams: 1 Hunter_Matthew_G_1998.pdf: 10529293 bytes, checksum: 5b3e1c8c65d07c8f0e985309b5351d13 (MD5)
  • description.provenance : Made available in DSpace on 2008-04-07T22:09:59Z (GMT). No. of bitstreams: 1 Hunter_Matthew_G_1998.pdf: 10529293 bytes, checksum: 5b3e1c8c65d07c8f0e985309b5351d13 (MD5)
  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2008-04-07T22:09:59Z (GMT) No. of bitstreams: 1 Hunter_Matthew_G_1998.pdf: 10529293 bytes, checksum: 5b3e1c8c65d07c8f0e985309b5351d13 (MD5)
  • description.provenance : Submitted by Anna Opoien (aoscanner@gmail.com) on 2008-04-07T22:04:42Z No. of bitstreams: 1 Hunter_Matthew_G_1998.pdf: 10529293 bytes, checksum: 5b3e1c8c65d07c8f0e985309b5351d13 (MD5)

关联

Relationships Parent Rows Label

Rows Empty Text

属于 Collection:

单件