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Filtering by: Creator Brouwer, Brook O. Advisor Li, Judith L. Committee Member Li, Hiram

Feeding behavior and diet of native bull trout Salvelinus confluentus and introduced brook trout S. fontinalis in two Eastern Oregon streams

Creator:

Gunckel, Stephanie L.

Abstract:

One of the greatest threats to native bull trout Salvelinus confluentus populations is the presence of non-native brook trout S. fontinalis. This study, conducted in two second-order Eastern Oregon streams, investigates the effect of brook trout on the feeding behavior arid diet of bull trout. Feeding behavior, microhabitat use, and...

Resource Type:

Masters Thesis

Full Text:

among allopatric and sympatric bull trout (Mann-Whitney, p=O.845) or sympatric bull trout and brook
Fish and invertebrate distribution at multiple scales in Thomas Creek, Oregon : a transition from conifer uplands to agricultural lowlands

Creator:

Langshaw, Russell B.

Abstract:

Longitudinal patterns of fish and benthic invertebrate distribution and habitat use were similar in Thomas Creek, Oregon but clarity of these patterns differed. I studied fish and aquatic invertebrates simultaneously, at multiple scales, and used multivariate statistical techniques to compare responses to the same environmental conditions. Both types of organisms...

Resource Type:

Masters Thesis

Full Text:

locations (ISA, P<O.05). 59 3.10 Reach-scale proportions of classified invertebrates by tolerance value (Tv