A herd of re-introduced California bighorn sheep (Ovis canadensis
californiana) was studied from 15 June 1976 to 31 August 1977.
Thirteen major and seven minor habitats were delineated and described.
Habitat use by bighorns was observed throughout the study and
a habitat preference value (H.P.V.) was calculated based on use...
Ozone, present in the earth's atmosphere, filters incident solar
ultraviolet radiation such that only a portion of the total ultraviolet
spectrum emitted by the sun reaches the planet's surface.
Violation of the integrity of this filter could mean an alteration in
the solar ultraviolet radiation penetrating the atmosphere. Atmospheric
increases...
Studies of the diel behavior of phytoplankton are numerous,
however, little work has been done on diel changes in neuston, the
organisms inhabiting the surface microlayer. Sampling of the
neuston and plankton of Sequim Bay, Washington was conducted on
18-19 August 1983 at four hour intervals. Neuston samples (upper 50...
The ozone present in the atmosphere filters incident solar
ultraviolet (UV) radiation such that only the longer wavelengths of
the total UV spectrum emitted by the sun reach the earth's surface.
Atmospheric increases in nitrogen oxides and chlorofluoromethanes
represent a threat to the existence of this protective screen. As
the...
Due to the presence of the earth's ozone layer, radiation of
the shorter solar wavelengths is reduced during penetration of the
atmosphere. Increases in chlorofluoromethanes and nitrogen oxides
may significantly decrease the ozone concentration, resulting in
shorter wavelength penetration, most notably UV-B (290-320 nm)
radiation. Various studies have found UV-B...
The Van Dyke's salamander (Plethodon vandyke,) is a rare species endemic to Washington State. It has been found in cool moist microhabitats along streams, splash zones of waterfalls, and headwater seeps. We explored the association of the Van Dyke's salamander with hydrologic condition, geomorphology, disturbance characteristics, and vegetation structure in...
With the current security climate throughout the Internet, a large emphasis is being placed on protecting software systems from attack by a malicious entity. Most successful attacks against software are the result of lazy or misinformed developers and are easily prevented given the correct preparation and instruction. This document provides...
Preventative methods for software reverse engineering have been given greater attention in recent times due to the increase in computational resources and tools available to the public. The inherent security provided by encoding source into machine code (executable form) can no longer be assumed, given the availability of effective automated...