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Filtering by: Subject Pacific Ocean Degree Field General Science

Albacore tuna catches in the Northeast Pacific during summer 1969 as related to selected ocean conditions

Creator:

Panshin, Daniel Alexis

Abstract:

Oregon's commercial fishery for albacore tuna (Thunnus alalunga) is large, valuable, and variable. Little is known, however, about the oceanographic factors which determine abundance and distribution of albacore. Primarily using logbook data contributed by fishermen, this study compares albacore catches with selected ocean conditions. The study is limited to troll-caught...

Resource Type:

Dissertation

Full Text:

in the Northeast Pacific During Summer 1969 as Related to Selected Ocean Conditions by Daniel
Primary productivity in the southeast Pacific Ocean : effects of enhanced ultraviolet-B radiation

Creator:

Behrenfeld, Mike J.

Abstract:

Anthropogenic releases of trace gases into the atmosphere are causing a decrease in stratospheric ozone concentrations and a subsequent increase in solar ultraviolet-B (UV-B)(280-320 nm) radiation reaching the earth's surface. The objective of this study was to determine the acute effects of enhanced UV-B radiation on the primary production of...

Resource Type:

Masters Thesis

Full Text:

Primary productivity in the southeast Pacific Ocean