Friday 9th February 2001 – Oral Sessions

Session: Reservoirs and Greenhouse Gases I

Room: Rotunda 1

Chair Don Adams

11.00

D.D. Adams, l. Vila, A. Boom, B.l. Balero-Grases, M.J. Avila, C. Salazar, Greenhouse Gas (CH4 & CO2) Production/Consumption in Two Eutrophic Chilean Reservoirs: Apparent Relationships between Sediment-Water Interface Fluxes, Hypolimnetic Deoxygenation and ENSO Events

11.15

P. Casper Processes and Organisms of Methane Metabolism in Freshwater Ecosystems

11.30

I.B.T. De Lima, M.V.R. Balestter, J.P. Ometto, R.L. Victoria, E.M.L.M. Novo, Methane, Carbon Dioxide and Nitrous Oxide Emissions From Two Amazonian Reservoirs During High Water Table

11.45

Stephane Houel, M. Lucotte, R. Canuel, S. Weissenberger, Study of Large-Scale Perturbations as Flooding on Primary Productivity, Carbon and Phosphorus Cycles

12.00

Stephane Houel, R. Canuel, M. Lucotte, S. Weissenberger, Potential Contribution of Flooded Soils to Greenhouse Gases (GHG) Emissions in Boreal Hydroelectric Reservoirs

12.15

Carol Kelly, V.L. St Louis, E. Duchemin, J.M.W. Rudd, D.M. Rosenberg, Should Greenhouse Gas Fluxes from Reservoir Surface be Included in Global Inventories?

12.30

Natalie Boudreau, E. Joyce, S. Schiff, V. St. Louis, R. Aravena, R. Elgood, Soil Carbon, CO2 And CH4 In Three Experimentally Flooded Upland Boreal Forest Reservoirs, Flooded Uplands Dynamics Experiment, Experimental Lakes Area

12.45

Cory Matthews, B.L. St Louis, R.A. Bodaly, The impact of Reservoir Creation on Greenhouse Gas Fluxes form Three Forested Upland Subcatchment

Session: Limnology of Large Lakes I

Room: Rotunda 4

Chair Mark James

11.00

Hans Guede, Degradation of Sedimenting Organic Matter in Hypolimnetic Water Bodies Of Lake Constance

11.15

Mark James, D. Rowe, U. Shanker, Predicting Effects of Lake Level Changes on Littoral Communities using GIS Models

11.30

Michio Kumagai, R. Walker, K. Ishikawa, U. Tamaki, Lake Environment Sensing Using an Autonomous Underwater Vehicle

11.45

Adam Uytendaal, Water Quality and Wind Resuspension in Lakes Sorell and Crescent , Tasmania

12.00

Davi Andrews, M. Jack, Long Term Monitoring of Tasmania's Highland Lakes and Hydro Impoundments

12.15

Judit Padisak, Trend And Noise: Long-Term Changes Of Phytoplankton In Lake Balaton

12.30

N.V. Aladin, I.S. Plotnikov, Large Scale Ecological Catastrophe Threatens the Caspian Sea. A Comparative Analysis of the Causes and Consequences of Ecological Crisis in the Aral and Caspian Seas.

12.45

N.L. Bolotova The Regulation of the Communities of Large Shallow Lakes in the North-West of European Russia

Session: Ecology of Streams and Rivers V

Room: Humanities 1

Chair A.P. Covich

11.00

James Mackenzie, K. Rogers, Deterministic Zones Of Regeneration For Riparian Trees: Dispersal and Hydrogeomrophic Controls

11.15

A.P. Covich, Effects of Prolonged Drought on Detrital Processing in Tropical Headwater Streams: A Conceptual Model

11.30

F.H. Dawson, Distribution and Frequency of Inputs from Riparian Tree Vegetation for Britain

11.45

E.S. Bernhardt, Lessons from Kinetic Releases of Ammonium in Streams of the Hubbard Brook Experimental Forest (HBEF)

12.00

Juergen Marxsen, A. Katzner, Dissolved Carbohydrates in the Breitenbach, A Small Upland Stream in Central Germany

12.15

Jon Olafsson, H. Adalsteinsson, Chironomid Distribution In Lotic Environments In Relation To Bedrock Origin In Iceland

12.30

Thierry Ameziane, F. Garabetian,, D. Dalger, A. Dauta, Trophic Level Assessment of a Large Gravel Bed River: the Garonne, France

Friday 9th February – Oral Sessions

 

12.45

Jan Koksvik, B. O. Johnsen, A. Jensen, Effects of Experimental Nutrient Enrichment on the Macroinvertebrates in a Stream

Session: Restoring Lateral Connectivity and Floodplain Function in Large Rivers 1

Room: Humanities 4

Chair Jack Stanford

11.00

J.T. Brock, K.W. Cummins, Ecosystem Metabolism in the Kissimmee River, South Florida, USA

11.15

Tom Gonser, F.R. Hauer, B.J. Cook, Can Hydrogeomorphic (HGM) Indicators of Function Derived From Rocky Mountain Rivers Be Used As Reference to Assess Hydrogeomorphic Impacts on River Floodplain Systems of The European Alps

11.30

Peggy Wilzbach, K.W. Cummins, T.K. Barnes, J. Trexler, Channel-Floodplain Coupling in the Kissimmee River, Florida (USA) : Invertebrate Movement and Fish Feeding

11.45

Eric Snyder, J.A. Stanford, D.E. Eitemiller, M.L. Uebelacker, Floodplain Hydrologic Connectivity And Potential For Restoration In The Yakima River Basin, USA

12.00

Martin Thoms, F. Sheldon, A Framework for Restoring the Lateral Connectivity of a Large Dryland River: The Barwon Darling, Australia.

12.15

Masatoshi Denda, Studies of the Difference of Fish Community in Backwaters and Factors in the Chikkuma River, Japan

Session: Ecotoxicology and Pollution II

Room: Humanities 6

Chair Jack Jones

11.00

David Wynne, R. Parparova Pollution of the Kinneret Ecosystem 1980-1999: Present Considerations and Future Prospects

11.15

Ismo Holopainen, V. Tkacheva, Hyvarinen, Effects of Mining Waste Waters on Fish in Northwest Russia

11.30

Ismo Holopainen, J. Heinonen, O.P. Penttinen, J.V.K. Kukkonen, Multiple Stress- Effects of Natural and Anthropogenic Factors on Organisms in Boreal Lakes

11.45

Olaf Groterud, Discrepancies Between Conductivity and pH Values Measured In Some Humic Waters. How Can This Be Explained

12.00

L. Babcock-Jackson, W.W. Carmichael, D.A. Culver, Biodeposition by Dreissenid Mussels Increases Exposure of Benthic and Pelagic Organisms to Toxic Microsystems

12.15

Jack Jones, S. Jones, Seasonal Variation in Cyanobacterial Toxin Production in Two Nepalese Lakes

12.30

Dimitri Gudkov, Radioactive Condition Of Freshwater Biocenose Within The Chernobyl NPP Exclusion Zone

12.45

Mona Weideborg, E.A. Vik, A.E. Kelley, Experiences from use of Passive Samplers in Monitoring of Trace Metals and Organic Pollutants in Freshwater Bodies

1.00

Christian Frank, H.U. Wolf, Assessment of Causes, Frequency and Toxicological Significance of Toxic Cyanobacteria Blooms in Recreational Waters in South-West Germany

Session: Diapause as a Seasonal Adaptation of Hydrobionts

Room: South 1

Chair Winifried Lampert

11.00

Peter Zwick, The Plecoptera Seed Bank Theory: New experimental Data

11.15

G Mura, V. Alekseev, P. Zarattini, Combinations of Photoperiod and Temperature for Inducing of Diapause by Local Signal Forming in Two Chirocephanus diaphanus Populations From Latium (Central Italy)

11.30

L. De Meester, C. Cousyn, J.K. Colbourne, D. Verschuren, Rapid Evolution by Natural Selection: A Reconstruction of Micro-Evolution in Microsatellite Markers and Predator Avoidance Trait from a Cladoceran Resting Egg Bank

11.45

Dagmar Frisch, Influence of Rearing Temperature on The Survival Success of Diapausing Copepodids of Cyclops Strenuus and Cyclops Insignis

12.00

Thomas Jankowski, D. Straile, Seed-Bank-Phaenology of the Daohnia hyalina-galeata Complex Lake Constance, Germany

Friday 9th February – Oral Sessions

12.15

Sandra Lass, M. Vos, P. Spaak, The Role of Chemical Signaling and Local Adaptation in the Hatching of Daphnia Diapausing Eggs

12.30

Piet Spaak, B. Keller, H. Burgi, Occurrence Of Daphnia Hybrid Ephippia In The Sediment Compared To The Lake

Session: Reservoirs and Greenhouse Gases II

Room: Rotunda 1

Chair Louis Varfalvy

2.00

Marco Dos Santos, L.P. Rosa, B. Matvienko, E. Sikar, R.S. Lourenco, C.F. Menezes, Carbon Dioxide and MethaneEmissions From Hydroelectric Reservoirs in Brazil A Statistical Model Of GreenHouse Fluxes From Hydro Reservoirs

2.15

Sebastian Weissenberger, Greenhouse Gas Emissions and their Origin - The Carbon Cycle of a Boreal Reservoir

2.30

Phillip Fearnside, Greenhouse Gas Emissions from Hydroelectric Dams in Brazilian Amazonia: The Example of Tucurui

2.45

Philippe Gosse, J.F. Mumestre, S. Richard, Dissolved Methane And Oxygen Modelling In An Equatorial River Downstream Of A New Reservoir

3.00

Marco A. Dos Santos, L.P. Rosa, B. Matvienko, A Statistical Model Of GreenHouse Fluxes From Hydro Reservoirs

3.15

Louis Varfalvy, A. Tremblayh, M. Lambert, J.L. Frechette, Comparison of Greenhouse GasEmissions from Hydro Reservoirs and Adjacent Lakes

3.30

Louis Varfalvy, M. Lambert, P. Frechette, J.L. Dumas, A. Tremblay, Development of Ex Situ GC/MS Analysis Technique for Greenhouse Gas Samples Collected by Floating Chambers and a Hydroplane

3.45

Louis Varfalvy, M. Larziliere, S. Tranchart, S. Levesque, M. Claude-Hillaire, G. Bilodeau, L. Lajlah, Development of two new Techniques for Greenhouse Gas Measurements - a solid state long-path near IR Laser and the use of Stable Carbon Isotopes

Session: Limnology of Large Lakes II

Room: Rotunda 4

Chair Stanley Dodson

2.00

Yawei Li, Restoration of the Large and Shallow Lake Wuliangsuhai Inner Mongolia, P.R. China

2.15

Sergey V. Ryanzhin, M. Straskraba, W. Geller, Some Estimates For World Lakes Deriveed from Database of GIS WorldLake

2.30

Sergey V. Ryanzhin, N.I. Minyaev, On spacing of Langmuir Circulation in Natural Water Bodies

2.45

M. Saad, M.A. Shata, M.a. Abdel-Moniem, Distribution Of Heavy Metals In The Sediments Of Lake Nasser And Its Second Largest Khor

3.00

Stanley Dodson, D. Lillie, Zooplankton Diversity and Land Use: Effects of Watershed Restoration, Pond Size, and Duration.

3.15

Micaelo Granero, Relation between Phytoplankton Community, Nutrients and Hydrodynamic Processes in The San Roque Reservoir (Cordoba, Argentina)

3.30

Kwang-Seuk Jeong, Evaluation of the Phytoplankton Dynamics of River-Reservoir Hybrid System by Combination of Multivariate Statistics and Artificial Neural Network (the lower Nakdong River, S.Korea)

3.45

Rainer Koschel, L. Krienitz, J. padisak, Primary Production of Phytoplankton and Nutrient Metabolism During and After Thermal Pollution in an Oligotrophic Lake (Lake Stechlin, Germany)

Session: Ecology of Streams and Rivers VI

Room: Humanities 1

Chair Rod Oliver

2.00

R. Oliver, C. Merrick, The Contribution Of Phytoplankton And Benthic Algae To Ecosystem Metabolism In The River Murray, Australia

2.15

Natacha Waddell, E. Turak, River Health Downstream of an Abandoned Mine

2.30

Alison King, Density and Distribution of Prey for Fish Larvae in an Australian Lowland River: Feast or Famine?

2.45

Gisli Gislason, S.O. Steingrimsson, G. Gudbergsson, Stock Size of Landlocked Brown Trout (Salmo trutta L.) in the subarctic river Laxa, North East Iceland Stock Size of Landlocked Brown Trout (Salmo trutta L.) in The Subarctic River Laxa, North-East Iceland

3.00

S.C. Charteris, R.G. Death, Factors Affecting Juvenile Recruitment in New Zealand Native Fish Communities

Friday 9th February – Oral Sessions

Session: The Role of Large River Wetlands as "Hot Spots" for Invertebrate and Fish Life

Room: Humanities 4

Chair Jurg Bloesch

2.00

J. Bloesch, U. Sieber, The Morphological Destruction and Subsequent Restoration Programmes of Large Rivers in Europe

2.15

Gunther Friedrich, U. Sieber, A. Schulte-Wulwer-Leidig, Development on Ecological Network For The River Rhine: The Restauration of Wetlands and Salmon Migration

2.30

Egbert Korte, A. Lelek, The Ecological Function of Large River Wetlands, The limits of 'Hot-Spots' Importance for Fish

Session: Mercury and Metals in Aquatic Environments

Room: South 1

Chair Marlene Evans

2.00

Jane Mauro, M. Meili, A.L. Karlsson, L.Hylander, J.R.D. Guimaraes, Simultaneous Dynamics Of Microbial Activity And Mercury Methylation In A Sewage-Influenced Macrophyte Community

2.15

Marlene Evans, L. Lockhart, L. Low, J. DeLoronde, G. Boila, Elevated Mercury Concentrations in Predatory Fish in Two Remote Lakes in Northern Canada

2.30

Marlene Evans, M.S. Low, G. Boila, G. Stephens, Mercury in Fish from Remote Lakes in Canada's North

2.45

Marlene Evans, K. Kidd, D.C.G. Muir, R. Anderson, J.F. Payne, W. Fairchild, T. Johnston, Factors Affecting Mercury Concentrations in Piscivorous Fish in Northern Canada

3.00

Alain Tremblay, R. Schetagne, Duration of Post-impoundment in Fish Mercury levels at the La Grande Complex, Quebec, Canada.

3.15

K.M. Stewart, T.P. Diggins, Heavy Metals in the Sediments of the Buffalo river at Buffalo, NY, USA

3.30

Anandavalli Mahadevan, R. Sivasubramani, Heavy Metals Concentration in Water And Sediments Of The River Periyar ( River Suruliyar ) In Tamilnadu, India.

3.45

Surette, C., Tremblay A., Cartier, I., Garceau, S. and Cloutier, L. The distribution of Methylmercury in a lake ecosystem using a mass balance approach.