Measurements of temperature and salinity in the upper 5 m of the ocean
along the equator showed cool fresh anomalies due to rain showers. The
measurements were made between 140 W and 110 W during April 1987, an
El Nino year. The eastern equatorial Pacific was characterized by weak winds...
Growing concern regarding the health effects of PFAS exposure through drinking water remains an issue at the forefront of many regulatory hurdles. Current data suggests that PFAS can be the cause of many negative health effects including changes in birth weight, thyroid disease, decreased fertility, and some forms of cancer....
The North Pacific humpback whale (Megaptera novaeangliae) population has been increasing at an average annual rate of ~6% since the early 1990s. In northern Southeast Alaska alone, there are now more whales than estimated for the entire North Pacific several decades ago. An understanding of how this growing population is...
Marine sediments are vast sources and reservoirs of methane, a potent greenhouse gas. Most of this methane is anaerobically oxidized by archaea before it can reach the overlying ocean, though the efficiency of this process often depends on methane fluxes and mechanisms of fluid transport. Anaerobic methanotrophic archaea, or ANME,...
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Frederick S. Colwell
Abstract
Marine sediments are vast sources and reservoirs of methane
Composition and structure of Oregon ash
(Fraxinus latifolia) woodlands in the William L. Finley
National Wildlife Refuge, Oregon are described. Twenty
stands dominated by Fraxinus latifolia were sampled with
500 m2 circular macroplots in which floristic microplot
data were collected for plant community synthesis. Plant
communities were identified by computer-assisted...
The purpose of this study of the life and career of Dr. Carl
Leonard Anderson was to recount his professional contributions to
the field of health and relate these to public health and health education. The major emphasis of this study concerned Dr. Anderson's
professional life.
The accomplishment of the...
The effects of estrogen treatment on uterine weight, uterine
nucleic acid content and adrenal weight were studied. Daily doses
of 0.05μg or 0.1 μg of Estradiol 17-β were administered subcutaneously
to seven day castrated female rats for periods varying
from 0 to 168 days. After two days of treatment uterine...
Newborn rats exhibit a torporous response to cold stress at 2°C
from which they revive after several hours exposure even though
respiratory, cardiovascular, and muscular movements have ceased.
At less severe temperatures (20 to 25°C) the rats respond with a non-torporous
decrease in metabolic and physiologic activity and a lowering...
SH 714 (1, 2-alpha-methylene-6-chloro-delta-4, 6-17-alphahydroxyprogesterone
acetate) synthesized by Schering AG is an highly
antiandrogenic, nonestrogenic compound. The present investigation
was undertaken to determine the compound's effect upon the cell
associations of the germinal epithelium in the mature rat. From germinal epithelium for this dosage level of SH 714 was exhibited...