Search Results - "Heath, Robert T."

Oxygen use by nitrification in the hypolimnion and sediments of Lake Erie by Clevinger, Curtis C., Heath, Robert T., Bade, Darren L.

“…Nitrification is an oxygen consumptive process, consuming 2mol of oxygen per mol of ammonium oxidized. Hypolimnion and sediment samples were collected during…”
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Assessing the Application of SeaWiFS Ocean Color Algorithms to Lake Erie by Witter, Donna L., Ortiz, Joseph D., Palm, Sarah, Heath, Robert T., Budd, Judith W.

“…The feasibility of satellite-based monitoring of phytoplankton chlorophyll a concentrations in Lake Erie is assessed by applying globally calibrated,…”
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Effects of Predation Risk and Foraging Return on the Diel Use of Vegetated Habitat by Two Size‐Classes of Bluegills by Shoup, Daniel E., Carlson, Robert E., Heath, Robert T.

“…Little is known about nocturnal habitat selection by fishes under the risk of predation. Using a photoperiod of 15 h light : 9 h dark, we quantified the diel…”
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Diel Activity Levels of Centrarchid Fishes in a Small Ohio Lake by Shoup, Daniel E., Carlson, Robert E., Heath, Robert T.

“…We used three different sizes of trap nets (small, medium, and large sizes of both mesh and throats) sampled at 6‐h intervals to determine peak activity…”
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A Hypothesis for the Assessment of the Importance of Microbial Food Web Linkages in Nearshore and Offshore Habitats of the Laurentian Great Lakes by Heath, Robert T., Hwang, Soon-Jin, Munawar, Mohiuddin

“…Our work in the Laurentian Great Lakes of North America indicates that significant fluxes of carbon and phosphorus can pass through the microbial food webs…”
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Characterization of benthic bacterial assemblages in a polluted stream using denaturing gradient gel electrophoresis by CODY, Derek G, HEATH, Robert T, LEFT, Laura G

“…To study differences in bacterial assemblages among sites with different environmental conditions, sediment samples were collected from three sites along a…”
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Ecosystem health and management: A culmination of ecosystem ecology by Heath, Robert T.

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Effects of the Zebra Mussel, Dreissena polymorpha, on Community Nitrogen Dynamics in Saginaw Bay, Lake Huron by Gardner, Wayne S., Cavaletto, Joann F., Johengen, Thomas H., Johnson, Jeffrey R., Heath, Robert T., Cotner, James B.

“…The effects of the zebra mussel, Dreissena polymorpha, on chlorophyll and nutrient concentration changes and community ammonium uptake and regeneration rates…”
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Iron Redox Effects on Photosensitive Phosphorus Release from Dissolved Humic Materials by Cotner, James B., Heath, Robert T.

“…Factors controlling the release of P from dissolved humic material (DHM)-iron complexes were studied in an acid bog lake. Gelpermeation chromatography of lake…”
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Nunc Dimittis: A Life in the River of Time . By Noel  Hynes . Leiden (The Netherlands): Backhuys Publishers . $40.00 (paper). x + 214 p + 8 pl; ill.; no index. ISBN: 90–5782–082‐X. 2001 by Heath, Robert T

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Intelligent Design Creationism and Its Critics: Philosophical, Theological, and Scientific Perspectives . Edited by Robert T  Pennock . A Bradford Book. Cambridge (Massachusetts): MIT Press . $110.00 (hardcover); $45.00 (paper). xx + 805 p; ill.; index. ISBN: 0–262–16204–0 (hc); 0–262–66124–1 (pb). 2001 by Heath, Robert T

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Are the phosphatases released by Daphnia magna components of its food?1 by Boavida, M. J., Heath, Robert T.

“…A laboratory culture of Daphnia magna was fed an axenic culture of Chlamydomonas acidophila. The predominant enzyme released by the zooplankter was a soluble…”
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Emerging Issues in Lake Superior Research by Munawar, Mohiuddin, Heath, Robert T.

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Limnological Analyses . Robert G. Wetzel , Gene E. Likens by Heath, Robert T.

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Relationship Between Labile Dissolved Organic Carbon (LDOC), Bacterioplankton Cell Phosphorus Quota, and Bacterial Phosphate Uptake Rate in Lakes by Gao, Xueqing, Heath, Robert T.

“…We examined the effects of labile dissolved organic carbon (LDOC) on bacterial growth rate, biovolume, cell phosphorus quota (i.e., P content per cell) and…”
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Limnological Analyses by Heath, Robert T.

“…"Limnological Analysis" by Robert G. Wetzel and Gene E. Likens is reviewed…”
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Functionally distinct classes of complex phosphorus compounds in lake water1 by Francko, David A., Heath, Robert T.

“…Complex phosphorus compounds were classified functionally according to the manner by which orthophosphate was released. Filtrable phosphorus compounds in two…”
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Bacterial productivity in Lake Superior, 2001: Implications for food web efficiencies in oligotrophic freshwater ecosystems by Heath, Robert T., Munawar, M.

“…A synoptic survey of Lake Superior from 16 to 24 August 2001 investigated heterotrophic bacterial abundance, productivity and role in phosphorus dynamics. We…”
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The Lake Huron Ecosystem: Ecology, Fisheries and Management. M. Munawar , T. Edsall , J. Leach by Heath, Robert T.

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Comparison of the Species Composition, Catch Rate, and Length Distribution of the Catch from Trap Nets with Three Different Mesh and Throat Size Combinations by Shoup, Daniel E., Carlson, Robert E., Heath, Robert T., Kershner, Mark W.

“…Trap nets of varying design are commonly used to assess fish populations, but the effect of the design on gear selectivity is not well known. In particular, it…”
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