James, William F., Gunnison, Douglas, Eakin, Harry L., Barko, John W.
Effects of sediment disturbance and associated chemical oxygen demand on dissolved oxygen (DO) depletion were evaluated during the winters of 1989-1990 in the Big Eau Pleine Reservoir. As part of...
Studies of Water Movement in Vegetated and Unvegetated Littoral Areas. (1998)
Smith, Craig S., James, William F., Barko, John W., Eakin, Harry L.
Water circulation within aquatic plant beds and between plant beds and adjacent open water zones has important implications for both areas. Water movement mediates' the exchange of dissolved and...
Internal Phosphorus Loading in Lake Pepin (Minnesota-Wisconsin). (1998)
James, William F., Berko, John W., Eakin, Harry L.
This study examined rates of internal phosphorus (P) loading from sediments in Lake Pepin, a natural impoundment located on the upper Mississippi River. Laboratory determinations of rates of P...
James, William F., Eakin, Harry L., Barko, John W.
Changes in suspended seston and soluble nutrients were examined as a function of zebra mussel density in flow-through sediment-water microcosms to determine impacts on nutrient recycling. Overall,...
James, William F., Barko, John W., Davis, Mike, Eakin, Harry L., Rogala, James T.
This technical note describes the impacts of filtration and soluble nutrient excretion by zebra mussels on water quality in Lake Pepin, Upper Mississippi River.
James, William F., Barko, John W., Eakin, Harry L.
Over a 3-year period (1994-96), suspended seston and phosphorus (P) dynamics were examined in the Upper Mississippi River (UMR) and naturally impounded Lake Pepin, with special attention to external...
Smith, Craig S., James, William F., Eakin, Harry L., Barko, John W.
The purpose of this investigation was to determine sources of fecal coliform bacteria contaminating the Metro Beach area of Lake St. Clair and the likelihood that water currents moved contaminated...
James, William F., Barko, John W., Eakin, Harry L.
The purpose of this demonstration effort was to quantify loading of labile and refractory phosphorus fractions from the agriculturally dominated Redwood River Basin, which drains into the Minnesota...
James, William F., Barko, John W., Eakin, Harry L.
The purpose of this research was to quantify direct and indirect contributions to the phosphorus budget of Half Moon Lake, Wisconsin, by submersed aquatic macrophytes.
James, William F., Barko, John W., Eakin, Harry L.
This technical note examines phosphorus excretion by zebra mussels as a function of zebra mussel density and food availability using laboratory microcosms.
James, William F., Barko, John W., Eakin, Harry L., Eggers, Gregory W.
The purpose of this demonstration effort was to quantify flow and loading of sediment and nutrients from the small, agriculturally dominated Judicial Ditch 31, which drains into the Redwood River of...
James, William F., Eakin, Harry L., Barko, John W.
This technical note examines changes in sediment physical and chemical characteristics as a result of drawdown and refill of shallow Big Muskego Lake (Wisconsin) to promote macrophyte growth....
James, William F., Eakin, Harry L., Barko, John W.
This technical note examines changes in sediment physical and chemical characteristics due to desiccation and rewetting in laboratory systems. Results from this study may be used to better understand...
James, William F., Barko, John W., Eakin, Harry L.
This technical note describes longitudinal patterns in soluble phosphorus and biologically available particulate phosphorus and equilibrium characteristics for suspended sediment collected at...
James, William F., Eakin, Harry L., Barko, John W.
This technical note examines macrophyte growth response to changes in sediment nitrogen (N) concentrations due to sediment dewatering and rehydration. Results of this study may be used to better...
James, William F., Eakin, Harry L., Barko, John W.
The purpose of this research was to quantify biologically labile and refractory phosphorus constituents, transformations, and export from four sub-watersheds in the Upper Eau Galle River basin...
Limnological Responses to Changes in the Withdrawal Zone of Eau Galle Reservoir, Wisconsin (1998)
James, William F., Eakin, Harry L., Barko, John W.
The purpose of this research was to demonstrate limnological responses to a change in reservoir discharge from a predominantly surface withdrawal in 1991 to a hypolimnetic withdrawal in 2003.
Phosphorus Loading and Compositional Characteristics in Eight-Mile Run Watershed, Wisconsin (1998)
James, William F., Eakin, Harry L., Barko, John W.
The purpose of this research was to describe and quantify biologically labile and refractory phosphorus runoff in Eight-Mile Run, a small watershed in west-central Wisconsin that is impacted by dairy...
James, William F., Wright, David I., Eakin, Harry L., Barko, John W.
The objective of this research was to evaluate the impacts of a mechanical macrophyte removal device on changes in littoral sediment substrate.
James, William F., Eakin, Harry L., Ruiz, Carlos E., Barko, John W.
The purpose of this research was to quantify biologically labile and refractory phosphorus species in source soils of an agricultural watershed that drains into a eutrophic Corps of Engineers...
James, William F., Eakin, Harry L., Ruiz, Carlos E., Barko, John W.
The purpose of this research was to examine nitrogen and phosphorus concentrations in runoff at the field-scale level (i.e., homogeneous land-use plot) over a variety of land-use practices. Land-use...
James, William F., Ruiz, Carlos E., Barko, John W., Eakin, Harry L.
The purpose of this research was to describe and quantify biologically labile and refractory nitrogen and phosphorus species, transformations, and loads along the longitudinal axis of a river...
James, William F., Eakin, Harry L., Barko, John W.
The research reported herein investigated the effects of a range of lime (as calcium hydroxide; Ca(OH)2) dosage levels on the growth of Sago pondweed in outdoor experimental mesocosms.
James, William F., Wright, David I., Barko, John W., Eakin, Harry L.
Research experimentally evaluated the impacts of a mechanical macrophyte removal device on changes in sediment bed elevation and water quality in the littoral zone of a shallow embayment located in...
Eakin, Harry L., Barko, John W.
Investigations examining the effects of benthic barrier placement on sediment physical and chemical conditions, interstitial water, and surficial water were conducted in Eau Galle Reservoir,...