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Filtering by: Creator Edmonds, Robert L. Degree Field Fisheries Science

Distribution of nearshore macroinvertebrates in lakes of the northern Cascade Mountains, Washington, USA

Creator:

Hoffman, Robert L.

Abstract:

Although nearshore macroinvertebrates are integral members of high mountain lentic systems, knowledge of ecological factors influencing their distributions is limited. Factors affecting distributions of nearshore macroinvertebrates were investigated, including microhabitat use and vertebrate predation, in the oligotrophic lakes of North Cascades National Park Service Complex, Washington, USA, and the conformity...

Resource Type:

Masters Thesis

Full Text:

the northern Cascade Mountains, Washington, USA AN ABSTRACT OF THE THESIS OF Robert L. Hoffman, Jr
The relationships between fluctuations in oceanographic conditions, forage fishes, predatory fishes, predator food habits, and juvenile salmonid marine survival off the Columbia River

Creator:

Emmett, Robert L.

Abstract:

Salmonid run sizes are strongly affected by their early marine stage. Fully understanding the life history of salmonids means understanding how they interact with their marine environment and with other fishes. Changes in the biological and physical environment off the Columbia River region affects the distribution and abundance of predatory...

Resource Type:

Dissertation

Full Text:

ABSTRACT OF THE DISSERTATION OF Robert L. Emmett for the degree of Doctor of Philosophy in