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Filtering by: Alternative title ssim Extension bulletin 490 Creator Sumich, James L. Degree Field Oceanography

Growth of a sea urchin, Allocentrotus fragilis, at different depths off the Oregon coast

Creator:

Sumich, James L.

Abstract:

Allocentrotus fragilis (Jackson) was obtained from six stations at depths of 100 to 1260 m on the continental shelf and upper slope off Newport, Oregon. Ages and growth rates of A. fragilis were determined by two methods: 1) A procedure was developed to make growth zones of the skeletal test...

Resource Type:

Masters Thesis

Full Text:

September and November 1969 (Figure 6). Extension of the line intersecting the means of the November 30 mm
Latitudinal distribution, calf growth and metabolism, and reproductive energetics of gray whales, Eschrichtius robustus

Creator:

Sumich, James L.

Abstract:

Gray whales accomplish an annual migration which spans as much as 50° of latitude in the northeast Pacific Ocean. This migration links their summer high latitude feeding grounds with winter calving and breeding areas. The purpose of this study was to determine how adult females apportion their stored lipid reserves...

Resource Type:

Dissertation