Browsing Lake Superior Research Institute by Title
Now showing items 146-165 of 258
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Identification of naturally-occurring fluoride and selected metals in northwest Wisconsin groundwater
(2020-06-30)Northwest Wisconsin, encompassing the 11 counties of Ashland, Barron, Bayfield, Burnett, Douglas, Iron, Polk, Price, Rusk, Sawyer, and Washburn, has a large proportion of the population who obtain their drinking water from ... -
Impacts of a "Planted " Exotic species: the Rainbow Smelt Osmerus mordax
(1993)In the early 1900s, rainbow smelt were planted in the Great Lakes by the State of Michigan and the U. S. Bureau of Commercial Fisheries (p esently, the U.S. Fish and Wildlife Service). Because smelt have been around ... -
Implementing WI DNR's Lake Superior Nearshore Monitoring Plan
(Lake Superior Research Institute, 2014-07-31) -
IMPORTANCE OF THE BOIS BRULE RIVER TO THE RECENT SEDIMENTAION HISTORY OF WESTERN LAKE SUPERIOR
(1969)As part of an interdisciplinary survey of Douglas County, Wis., and under the auspices of the University of Wisconsin Water Resources Center, the Bois Brule was singled out for a geological analysis of material constituting ... -
Influence of Angling on Age Structure and Growth of Bluegills in Northern Wisconsin Lakes
(2005)Abstract: Bluegill sunfish (Lepomis macrochirus) have long been heavily targeted by anglers in a consumption oriented fishery. Anglers catch bluegill over a wide size range but only harvest those large enough to have ... -
INFLUENCE OF TURBIDITY ON FISH ABUNDANCE IN WESTERN LAKE SUPERIOR - SECOND QUARTER REPORT
(1973)Effects of turbidity on fish abundance in Western Lake Superior are being studied through. field investigations aimed at measuring effects on species composition, distribution, feeding, mortality, growth ... -
INFLUENCE OF TURBIDITY ON SURVIVAL, GROWTH AND DISTRIBUTION OF LARVAL LAKE HERRING Coregonus artedii
(1976)Influence of red-clay turbidity on survival, growth and distribution of larval lake herring, Coregonus artedii, was measured by holding post hatch larvae for 62 days at 9 levels of suspended solids varying from 2 to ... -
Lake Superior Basin Floristic Quality Assessment, Phase 1: Setting Condition Benchmarks
(Lake Superior Research Institute, 2014-03) -
Lake Superior Coastal Wetland and Stream Monitoring Project
(2012)Lake Superior is the largest freshwater lake in the world by surface area and is one of the most unique ecosystems in North America. Wisconsin's Lake Superior shore has many coastal wetlands and important tributaries ... -
Lake Superior Research Institute Documents Non-native Zooplankton in Western Lake Superior
(Lake Superior Research Institute, 2018-10-09)The University of Wisconsin Superior's Lake Superior Research Institute (LSRI) has confirmed the presence and range expansion of non-native zooplankton in western Lake Superior. -
LAKE SUPERIOR SHORELINE VEGETATION AND EROSION: AN ECOLOGICAL SURVEY
(1980-04-15)Shoreline erosion along the Great Lakes continues to be a major economic and environmental concern. Of the nearly 5900 km. of shore- line, approximately 60% is erodible glacial clays, sands, or gravels. Fifty percent of ... -
LAND-BASED EVALUATION OF THE 7.5 HP NANO BUBBLE OZONE/OXYGEN WATER CLEANING SYSTEM (2021 VERSION)
(2021-12-08)This technical report presents the land-based evaluation of the Nanobubble Ozone/Oxygen Water Cleaning System (NBOT 2x7.5 HP-60 units) developed by the NanoClear Group Inc. of Rockville, Maryland, USA. This evaluation was ... -
LAND-BASED EVALUATION OF THE EFFECTIVENESS OF THE BAWAT BALLAST WATER MANAGEMENT SYSTEM MK2-MOBILE TREATMENT UNIT
(2022-03-09)This technical report represents the land-based evaluation of the Bawat Ballast Water Management System (BWMS) Mk2 – Mobile Treatment Unit, developed by Bawat A/S Agern Alle, 2970 Horsholm, Denmark (www.bawat.com). This ... -
LAND-BASED EVALUATION OF THE EFFECTIVENESS OF THE OPTIMARIN BALLAST SYSTEM IN THE GREAT LAKES
(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
(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
(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
(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
(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
(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
(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 ...