The growth and survival of Orconectes virilis young was studied in 50 x 50 x 50 cm lake enclosures during the summer seasons of 1986 and 1987. The effects of density (12/m2, 40/m2, 160/m2), substrate (mud, sand, ...

The present study examined a number of relevant underlying cognitions of depression, within the context of learned helplessness theory, and more specifically, reformulated learned helplessness theory. Previous research ...

PELLETIER, M. R. (1988). Effect of prenatal cadmium exposure on development and behavior of selectively bred genetic lines of rat: The purpose of the study was to investigate the effects of cadmium exposure as related ...

Research on adults and older adolescents has indicated that verbal and nonverbal coimnunication cues are utilized by listeners to assess speaker truthfulness and sincerity. Some evidence suggests that truthfulness is ...

Annual production of the amphipod Hyalella azteca was estimated in the upper littoral zone of Dock Lake, Ontario, over a 2 year period (1980-1981). Population density (negligible below 1 meter) differed among the three ...

Late-nesting Ring-billed Gulls in this study laid fewer and smaller eggs and hatched fewer young than earlier nesting pairs. Birds nesting late in the season appeared to lack sufficient stimuli for incubation, as indicated ...

The thermal decomposition of jack pine bark, white birch sawdust and cellulose has been studied by both isothermal weight-change determinations and dynamic thermogravimetry mostly in inert atmospheres up to 900°C. Gaseous ...

The subfamily Schistorophinae Travassos, 1918 is revised. Five species of Schistorophus Railliet, 1916 are recognized: (1) longicornis (Hemprich and Ehrenberg in Schneider, 1866) with S. indica (Sanwal, 1952) and ...

The objective of this study was to develop an analytical technique to enable forest managers to handle effectively the complex problem of integrated resource management planning using quantitative and qualitative information. ...

The upper sands of the discontinuous Halfway Formation to the northeast of Fort St. John were formed as barrier islands deposited perpendicular,or nearly perpendicular to the dip of the paleoslope of the Western ...