Browsing Lake Superior Research Institute by Title
Now showing items 97-116 of 413
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DEPOSTITIONAL ENVIRONMENTS OF LAKE SUPERIOR SANDS THROUGH GRAIN SIZE ANLYSIS
(1970)As part of the problem of recognizing and reconstructing paleo"' environments of arenaceous units in western Lake Superior, grain size parameters of modern fluvial, littoral and inner neritic ... -
Determination of LOD and LOQ Values for PCBs and Dieldrin in Water
(1990-02)The relative response factor is the slope of a plot of the response ratio (Area of Congener/Area of IS) along the y axis vs a concentration ratio (ng of congener/ng of IS) along the x-axis. If this plot is linear, then ... -
Determination of Percent Dissolved Metals in Freshwater using Simulation Tests
(1994-02-28)The animals used in the copper simulation tests were cultured at the UWS culture facilities. Fathead minnows, (Pimephales promelas) were cultured in dechlorinated water from the City of Superior municipal water supply. ... -
DEVELOPMENT AND VALIDATION OF AN ALTERNATE ANALYTICAL AND SAMPLING PERSPECTIVE TO GREAT LAKES MASS BALANCE STUDIES - PROGRESS REPORT
(1992-07)Environmental studies which include the analysis of low level anthropogenics are often limited by the analytical limits of detection {LOO) of the methodology employed. Large data bases for the Great Lakes have been ... -
Development of Bioassay Procedures for Defining Pollution of Harbor Sediments
(1977)Six sites in the Duluth-Superior Harbor have been sampled. The sites 1 (Allouez Bay area), 2 (Superior Ore Docks area), 3 (Lakehead Transshipment Terminal area), 4 (Superior Sewage Treatment Plant area) and 6 (Minnesota ... -
Development of Bioassay Procedures for Defining Pollution of Harbor Sediments - Project Summary
(1980)This research investigates bioassay methods which may be useful in assessing the degree of pollution of harbor sediments. Procedures studied include 96 hr toxicity tests employing Hexagenia limbata, Daphnia magna and ... -
DISULFOTON: ACUTE TOXICITY TO DAPHNIA MAGNA UNDER STATIC RENEWAL CONDITIONS
(1991-03-19)The test substance, disulfoton, 0,0-diethyl S-[2-(ethylthio)ethyl] phosphorodithioate (C8H1902PS3) is a colorless oily liquid that is used commercially as an insecticide and acaricide. It is used for control of many ... -
Douglas County, Wisconsin Aquatic Invasive Species Strategic Plan
(Lake Superior Research Institute, 2010-03-18) -
DULUTH SUPERIOR HARBOR FISHERY SURVEY - PROGRESS REPORT
(1977-07-15)Field work for the Duluth-Superior Harbor Fishery Survey was initiated on 11 April. Sampling has been conducted with an electrofishing boat (generally using 250 volt, 11 amp, D.C. current), fyke nets_ (3 x 6' ... -
ECOLOGICAL ASSESSMENT OF FACTORS AFFECTING WALLEYE OA SURVIVAL IN THE LOWER FOX RIVER
(1986-10)The Fox River is a major tributary into Lake Michigan's Green Bay with an average discharge of 117 m3 sec-1 and an average gradient of 0.81 m km-1 in the last 62 km of the river (Epstein et al., 1974). Since the early ... -
ECOLOGICAL ASSESSMENT OF FACTORS AFFECTING WALLEYE OVA SURVIVAL IN THE LOWER FOX RIVER
(1986-10)The Fox River is a major tributary into Lake Michigan's Green Bay with an average discharge of 117 m3 sec-1 and an average gradient of 0.81 m km-1 in the last 62 km of the river (Epstein et al., 1974). Since the early ... -
ECOLOGICAL ASSESSMENT OF FACTORS AFFECTING WALLEYE OVA SURVIVAL IN THE LOWER FOX RIVER
(1986-10)The Fox River is a major tributary into Lake Michigan's Green Bay with an average discharge of 117 m3 sec-1 and an average gradient of 0.81 m km-1 in the last 62 km of the river (Epstein et al., 1974). Since the early ... -
Ecology of Western Lake Superior Region
(1983)The twin ports of Superior, Wisconsin and Duluth, Minnesota were founded at the head of the world's greatest continuous mass of freshwater. The Laurentian Great Lakes contain about 20% of the world's freshwater resources. ...