Browsing Lake Superior Research Institute by Title

Now showing items 312-331 of 413

    • LAND-BASED EVALUATION OF THE EFFECTIVENESS OF THE OPTIMARIN BALLAST SYSTEM IN THE GREAT LAKES 

      Polkinghorne, Christine; TenEyck, Matthew; Meagan, Aliff; Balcer, Mary; Beesley, Kimberly; Fanberg, Lana; Gebhard, Steve; Kuzko, Rita; Latanich, Abigail; McClung, Samantha; Nagel, Michael; Niewinski, Desi; Reavie, Euan; Saillard, Heidi; Schwerdt, Tyler; Wellard Kelly, Holly (2022-02-18)
      This technical report presents the land-based evaluation of the Optimarin Ballast System, Model 334/340FX2. This work was conducted to evaluate the potential of the system to be used as a flow-through water treatment method ...

    • LAND-BASED EVALUATION OF THE EFFECTIVENESS OF THE OPTIMARIN DN100 AND DN150 BALLAST SYSTEMS IN THE GREAT LAKES 

      Saillard, Heidi; TenEyck, Matthew; Aliff, Meagan; Balcer, Mary; Eller, Kimberly; Fanberg, Lana; Gebhard, Steve; Kuzko, Rita; Latanich, Abigail; Maki, Jennifer; McClung, Samantha; Nagel, Michael; Niewinski, Desi; Polkinghorne, Christine; Reavie, Euan; Schwerdt, Tyler; Wellard Kelly, Holly (2023-03-23)
      This technical report presents the land-based evaluation of two Optimarin Ballast System models. The focus was primarily on the Model 68/340FX2 using a DN100 chamber but also includes data for one trial using the Model ...

    • MEASUREMENT ON THE EFFECTS OF EROSION CONTROL ON AQUATIC LIFE IN THE NEMADJI RIVER AND ITS TRIBUTARIES 

      Swenson, William A.; Brooke, Larry T.; DeVore, Philip W. (1977)
      The influence of sedimentation and turbidity associated with erosion from the Nemadji River Basin is assumed to have deleterious effects on the aquatic biota. Studies in the past year have concentrated on identifying fish ...

    • Measuring for Change in Concentration of Metals within the Regions Ceded in the 1837 and 1842 Indian Treaties 

      Brooke, Larry (1998-07-10)
      Interest in mining for metals is increasing in the areas ceded in the treaties between the U.S. government and the Ojibwe tribes in 1837 and 1842. In the interest of protecting the natural resources and peoples of these ...

    • Metals Concentrations in Muscle Tissue from Walleye, Smallmouth Bass, and a Sturgeon Collected from Lakes and Rivers within the 1854 Ceded Territory during Fall 2016 

      Polkinghorne, Christine N.; Beesley, Kimberly M.; Markee, Thomas P. (Lake Superior Research Institute, 2017-02-10)
      Whole fish samples of walleye (Sander vitreus) and smallmouth bass (Micropterus dolomieu), captured during the fall of 2016 from lakes within the 1854 Ceded Territory were analyzed for total mercury (Hg) content at the ...

    • Methods in Fish Population Analysis: Basic Tools for Understanding Aquatic Ecosystems 

      Swenson, William A. (1993)
      Much of what we know about ecosystems and the influence of human activity on them is based upon the study of individual plant and animal populations. Determining the age of population members is key to understanding the ...

    • Methylmercury Content of Lake Superior Fish 

      Sorensen, J.A.; Glass, G.E. (2000-06-15)
      Food contaminants have become an important issue in developing sustaif able resource harvests for interst State departments of health have determined that game fish from Minnesota, Wisconsin, and Michigan wa unlimited ...

    • Mexel 432 Toxicity to Cladoceran And Fathead Minnow During Continuous or Daily Intermittent Exposures 

      Ghillebaert, Francois; Brooke, Larry (1997-05)
      In many countries, numerous process and chemical products or fo1IDulatjons are used to control fouling organisms development in industrial water cooling circuits_ But, most of these processes are in opposition with ...

    • Morphological and Molecular Techniques to Support Detection and Management of Ballast-Borne AIS 

      Latanich, Abigail; Larson, Courtney; Aliff, Meagan; Reavie, Euan (2022-03)
      Aquatic invasive species (AIS) released from ship ballast water threaten aquatic ecosystems. A unique opportunity to couple molecular and microscopic techniques is investigated to understand risk-release relationships in ...

    • Natural Selection and Lake Superior Fisheries 

      Swenson, William A. (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 

      Marquis, Phillip (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 

      Brooke, Larry T. (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 

      Brooke, Larry T. (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) 

      Brooke, Larry T. (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 

      Call, Daniel; Brooke, Larry (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 

      Call, Daniel; Brooke, Larry (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 

      Call, Daniel; Brooke, Larry (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 

      Call, Daniel; Brooke, Larry (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 

      Dellinger, John A.; Brooke, Larry (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 

      Swenson, William A.; Heist, Barry (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 ...