No hydrologic study has previously been made of the South Slough Estuary drainage basin. Yet, since freshwater runoff is paramount to an estuary, it would seem that such a study is vital to the proper understanding -- and hence management -- of the estuary. Therefore, a brief hydrologic analysis of...
A workshop was held in Santa Barbara, California, associated with assessing the populations of nekton animals such as squids, shrimps and fishes. Sessions four major methods of assessing nekton populations:
(1) Net collections
(2) Acoustics
(3) Egg/larval surveys
(4) Visual methods, remote sensing and feeding habit studies
An attempt was...
During July 1970, albacore boats trolling surface jigs (jig boats) had record catches in an area off the mouth of the Columbia River. The jig fishery declined suddenly in late July and was poor throughout the remainder of the summer. No obvious oceanographic changes were correlated with these drastic changes...
The purpose of the study was to compare perceptions by faculty,
students and administrators of the campus environments of eight small,
independent liberal arts colleges in Oregon and to determine if similar
or like perceptions of the environment lead to greater vitality in each
of the colleges studied. In the...
Resource Planning and Management (RPM) techniques have been
applied in this study of a product-mix and production scheduling linear
programming problem of a cooperating food processor.
Resource Planning and Management is a graphical portrayal of
the interactions between related resources and activities within a
system. In this study linear RPM...
The study of the interactions between man and his environment is the eminent domain of the geographer. An excellent example of this kind of study is the urbanization of a formerly rural town on the urban-rural fringe. The area in this instance is Tualatin, Oregon, with the focus on the...
Demersal fishes were sampled at seven stations located inshore of Heceta Bank, on Oregon's continental shelf, over a 2-yr period with a 3-m beam trawl designed to catch small fiatfishes. Two general assemblages of fishes were recognized: a shallow water 74-102 m), sandy-bottom association where Pacific sanddab, Citharichthys sordidus,was numerically...
A new midwater trawl for sampling deepsea nekton from discrete
depths is described. Its mouth area is about 50 m2. The trawl body is
lined with small mesh netting and terminates in a 5-net opening-closing
codend device. Problems of delayed flushing of animals into the codend
and of entanglement of...