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Filtering by: Alternative title ssim Report no. 1714 Advisor Schreck, Carl B. Creator Mesa, Matthew G.

Electrofishing mark-recapture and depletion methodologies evoke behavioral and physiological changes in cutthroat trout (Oncorhynchus clarki)

Creator:

Mesa, Matthew G.

Abstract:

We examined the behavioral and physiological responses of wild and hatchery-reared cutthroat trout Oncorhynchus clarki subjected to a single electroshock, electroshock plus marking, and multiple electroshocking in natural and artificial streams. In a natural stream, trout released after capture by electrofishing and marking showed distinct behavioral changes: fish immediately sought...

Resource Type:

Masters Thesis

Full Text:

hierarchical rank revealed no distinct recovery trends among hatchery trout of different ranks; in wild trout
Ecological influence of bacterial kidney disease on juvenile spring chinook salmon : effects on predator avoidance ability, smoltification, and physiological responses to stress

Creator:

Mesa, Matthew G.

Abstract:

Juvenile chinook salmon (Oncorhynchus tshawytscha) were experimentally infected with Renibacterium salmoninarum (Rs), the causative agent of bacterial kidney disease (BKD), to investigate the effects of BKD on three aspects of juvenile salmonid performance: (1) predator avoidance ability; (2) smoltification; and (3) physiological responses to stress. For these experiments, fish with...

Resource Type:

Dissertation

Full Text:

similar between fish with moderate to high BKD and those that had low or no detectable infection. Fish