Browsing Lake Superior Research Institute by Title
Now showing items 169-188 of 260
-
Natural Selection and Lake Superior Fisheries
(1982)During the past 10 years, I have spent between 20 to50 days per season on Lake Superior aboard one of the University research vessels, a commercial vessel, or sport trolling. Like most other sportsmen, I am thrilled to ... -
NDS Phase II: Bioaccumlative Pollutant Study
(1989-04-07)Enclosed is the data for ten of the Great Lakes National Program Office fish samples analyzed for biosignificant polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs). -
NONYLPHENOL ANALYSIS
(1994-05-31)A study was undertaken in an earlier work assignment (No.1-12) in this contract to expose two species of fish in both short-term acute exposures and longer-term chronic exposures to nonylphenol. The following tests were ... -
NONYLPHENOL TOXICITY
(1993-09-30)Several toxicity and bioconcentration tests were undertaken to study the effects of nonylphenol,,.-on aquatic organisms, It is desirable to know the relationship between the toxic effects of nonylphenol and 'its ... -
NONYLPHENOL TOXICITY (No. 2-15)
(1994-05-31)During this work assignment (No. 2-15), tissue accumulations were measured in all fish stored in iso-octane from the short-term acute exposures. Since the unanalyzed fish have been stored in the freezer for six months, ... -
o-Anisidine / Hazardous Substance Ecological Fact Sheet
(1988-07-21)Q-Anisidine is a yellowish liquid which becomes brownish with exposure to air. It is used in the manufacture of azo dyes. It is moderately soluble in water, and may enter the aquatic environment via discharges from ... -
O-Cresol, 95-48-7 / Hazardous Substance Ecological Fact Sheet
(1988-09-21)2-Cresol (2-methylphenol) is a crystalline solid at temperatures up to 30° C, above which it is a yellowish liquid. It has a phenolic odor, and darkens with exposure to air and light. It is used as a disinfectant, ... -
O-Toluidine, 95-53-4 / Hazardous Substance Ecological Fact Sheet
(1988-07-21)Q-Toluidine (2-aainotoluene, Q-methylaniline, 2-methyl benzenamine) is a manufactured chemical. It is used in the manufacture of various dyes, printing textiles, blue-black, and making various colors fast to acids. ... -
O-Xylene, 95-47-6 / Hazardous Substance Ecological Fact Sheet
(1988-07-21)Q-Xylene is one of three isomers of commercial xylene. It is a flammable, colorless liquid of moderate solubility in water. Xylene is used as a solvent, as a raw material for the production of organic chemicals used ... -
THE OJIBWA HEALTH STUDY
(1995-09-30)Great Lakes fish are known dietary sources of persistent organochlorine and heavy metal toxicants. The Ojibwa of the upper Great Lakes have a long history of relying upon the Great Lakes fishery for subsistence and ... -
OPTIMIZING YIELD FROM WESTERN LAKE SUPERIOR COMMERICAL FISHERIES THROUGH SMELT STOCK ASSESSMENT
(1982)Acoustical and net sampling was conducted throughout western Lake Superior during 1978-1980 to obtain information on rainbow smelt (Osmerus mordax) abundance, the factors controlling smelt abundance and the influence ... -
pH Dependency of 2,4,5-Trichlorosphenol Toxicity
(1993-09-30)Acute 96-h flow-through toxicity tests with the compound 2,4,5- trichlorophenol (TCP) were conducted using the annelid, Lumbriculus variegatus, as the test organism. Toxicity tests were conducted at three nominal pH ... -
PHYSICAL AND BIOLOGICAL PARAMETERS, LITTLE SAND BAY, APOSTLE ISLANDS NATIONAL LAKESHORE, AND RELATIONSHIPS TO VARIOUS DOCKING DESIGNS
(1975-01-25)This report, the second of a sequence, was compiled during the period 4 September, 1974 to 31 January 1975, by personnel of the Center of Lake Superior Environmental Studies (CLSES) of the University of Wisconsin, ... -
PRELIMINARY INVESTIGATION OF THE ROLE OF AQUATIC MACROPHYTES IN HEAVY METAL UPTAKE FROM WATER WITH COAL PARTICLES
(1981)A survey was made and representative samples of vascular macrophytes from the Superior, Wisconsin-Duluth, Minnesota Harbor were collected in August 1975 and stored in a frozen condition until processed. The processed samples ... -
PROGRESS REPORT DULUTH SUPERIOR HARBOR FISHERY SURVEY
(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 x6' front hoop, 40' ... -
RAISIN RIVER/MONROE HARBOR SURVEY I / JULY 12-19, 1983
(1983-08-12)Fathead minnows, 24 hr old, were shipped air freight from the EPA laboratory in Newtown, OH. The larval fathead minnows were exposed to 10 water sources from the Raisin River/Monroe Harbor area of southeastern MI. They ... -
RED CLAY EROSION DEMONSTRATION RESEARCH FIRST ANNUAL REPORT
(1976-06-01)The central emphasis of this .study is to identify major vegetational components of the Little Balsam and Skunk Creek watersheds and to relate this cover to the erosion of the red clay soils. The examination of the ... -
RED CLAY EROSION DEMONSTRATION RESEARCH SECOND ANNUAL REPORT
(1977-06-09)Vegetation cover and related factors such as litter and organic content of soil, is known to be important in controlling and/or reducing erosion rates (Meeuwig 1971). Other factors such as slope, soil particle size, ... -
RED CLAY PROJECT ANNUAL REPORT
(1977-06-01)The Wisconsin Board of Soil and Water Conservation Districts (BSWCD) has provided services to the Red Clay Project in two program areas: the information-education program and the soil and water conservation district ... -
RED CLAY SLOPE STABILITY FACTORS FINAL REPORT
(1976)Data collected in this investigation outlines the mineralogical character and range of mechanical behavior of the red clay and establishes the Little Balsam drainage as representative of many of the geologic and engineering ...