Thursday 8th February 2001 – Oral Sessions

Session: Plankton Ecology IV

Room: Rotunda 1

Chair Colin Reynolds
 
11.00 Swarna Piyasiri, F. Schiemer, Food and Temperature Dependence on Life History Strategy of Phyllodiaptomus annae, A Tropical Calanoid Species
11.15 Aloysio Ferraofilho, M.S. Arcifa, C. Fileto, Resource Limitation and Food quality for Cladocerans in Lake Monte Alegre (Brazil) 
11.30 Kennedy Francis Roche, Use of Brachionus plicatus O.F. Muller, 1786 (Rotifers) as first Food for Larvae of Pseudoplatystoma coruscans (Agassiz, 1829) (Siluroidei: Pimelodidae)
11.45 Maarten Boersma, K.H. Wiltshire, Do Phosphorus-Limited Algae Take Up Nutrients While Passing Through The Gut Of Zooplankers?
12.00 Colin Reynolds, J.A. Elliott, Phytoplankton Periodicity: Discontinuous Responses to Environmental Forcing
12.15 Brij Gopal, M. Chauhan, D. Zutshi, High Altitude Lakes of Ladakh: Changes Since The Yale North India Expedition (1932)
12.30 Werner Eckert, Y. Yacobi, D. Hambright, I. Ostrovsky, A. Sukenik, Internal Wave Induced Changes in The Chemical Stratification in Relation to the Thermal Structure in Lake Kinneret
12.45 Laurence Deydier-Stephan, B. Le Rouzic, L. Lagadic, G. Bertru, Use of Pigments to Quantify Phytoplankton Groups In Freshwater Lentic Mesocosms - An approach Including Chlorophyll a Breakdown Products.

Session: Limnology of Arid Areas

Room: Rotunda 4

Chair Reginald Victor
 
11.00 Chuck Hawkins, Biodiversity of Invertebrates from Aquatic Habitats in The West Desert of Utah, USA
11.15 John Porter, Factors Affecting The Distribution And Abundance Of Aquatic Plants In Arid Zone Wetlands
11.30 Brian Timms, Review of the Limnology of Claypans of the Paroo, Australia.
11.45 Oliver Scholz, B. Gawne, The Effects Of Drying And Re-Flooding On Nutrient Availability In Ephemeral Deflation Basin Lakes In Western New South Wales, Australia.
12.00 Peter Schultz, C. Madden, P. McEvoy, D. Schulze, V. Tsymbal, T. Venus, Macroinverterbrates Of Watercourses In The Lake Eyre Basin, South Australia
12.15 Kim Jenkins, A. Boulton, Colonization Pathways of Microinvertebrates Following Flooding in a Dryland Australian River
12.30 Reginald Victor, J.R. Victor, Zooplankton of an Arid Mountian Reservoir in the Sultanate of Oman, Arabia.
12.45 Abdel Amer, Prediction Of The Unsaturated Hydraulic Conductivity Through The Pore Size Distribution And Function In Drying Soils.

Session: Ecology of Streams and Rivers II

Room: Humanities 1

Chair Art Benke
 
11.00 Arthur Benke, Secondary Production Of Riffle Beetles On The Snag Habitat Of A Coastal Plain River In The Southeastern USA
11.15 Timo Muotka, A. Haapala, Stream Macroinvertebrate Community Composition in Leaf Packs Vs. Benthos: Does Leaf Type Matter?
11.30 O. Dangles, F. Guerold, Aggregation Of Macroinvertebrates Associated With Benthic Detrital Pools In Headwater Forested Streams
11.45 Michael Douglas, S. Lake, Seasonal Drought as a Determinant of Macroinvertebrate Communities in Tropical Streams.
12.00 Stephen Minchin, R. G. Death, Benthic Invertebrate Species Richness - Stability or Productivity Controlled?

Thursday 8th February – Oral Sessions
12.15 F. Benfield, B.A. Bennett, J.S. Harding, M.E. McTammany, R.S. Sponseller, P.F. Wagner, Land-use and Invertebrate Biodiversity in Southern Appalachian Streams, USA
12.30 C. Bradley, M. Kelly-Quinn, D. Murray, D. Tierney, P. Ashe, Longitudinal Variation on Macroinvertebrate Assemblages in the Upper Reaches of River Catchments in Ireland
12.45 Jan Herrmann, I. Bohman, Benthic Invertebrates in Needle-Rich Forest Streams

Session: Tropical Limnology I

Room: Humanities 4

Chair Myriam Bormans
 
11.00 M. Bouvy The Effect of a Toxic Cyanobacterium Bloom (Cylindrospermopsis raciborskii) on Planktonic Structure, Ingazeira Reservoir, Northeast Brazil.
11.15 M. Bormans, P. Ford, L. Fabbro, G. Hancock, Physical Processes Control Light, Nutrients and Cyanobacteria in a Tropical Barrage
11.30 Doug Haffner, P. Hehanussa, D. Roy, R. McNeely, Limnology and Biology of An Ancient, Island Lake Lake Matano, Sulawesi Island, Indonesia
11.45 Francisco Barbosa, J. Padisak, The forgotten lake stratification pattern:atelomixis, and its exological importance
12.00 William Lewis, Causes for the Dominance of Nitrogen among Autotrophs of Tropical Lakes
12.15 T. Chellappa, I. Costa, Cyanophyte Assemblages of a Europhic Reservoir From Semiarid Northeast Brazil.
12.30 Motta Marques, L. Cardoso, Variation OF Phytoplanktonic Pigments In A Long Subtropical Coastal Freshwater Lagoon
12.45 Richard Petersen, G. Umana, Nitrogen And Phosphorus Limitation In Lakes Bonilla And Bonillita, Costa Rica

Session: Erosion and Sedimentation in Watercourses and on Floodplains

Room: Humanities 5

Chair Brian Kronvang
 
11.00 Brian Kronvang, O. Falkum, L.M. Svendsen, Deposition of Sediment and Phosphorus during Overbank Flooding
11.15 Anker Laubel, Suspended Sediment Sampling from a Small Lowland Stream
11.30 Bronwyn Lowe, K.J. Page, The Oblique Accretion in a Regulated Lowland River Channel and its Implications for Riverbank Vegetation
11.45 Mark Rountree, K.H. Rogers, G.L. Heritage, Channel Change Pathways in Semi-arid, Bedrock Influenced Rivers of the Kruger National Park, South Africa.
12.00 Martin Thoms, J.M. Foster, The influence of large scale geomorphology on floodplain sedimentation processes.
12.15 Jose Godoy, C.R. Padovani, J.R. Guimaraes, J.C.A. Pereira, L.M. Vieira, Z.L. Carvalho,S. Dosimetria, C. Nuclear, B. Jijuca, Evaluation Of The Siltation Of Rio Taquari, Pantanal, Brazil, Through PB Geochronology Of Floodplain Lake Sediments
12.30 Ouafae Ganaoui, P. Boyer, M. Amielh, F. Anselmet, A Multi-Class Sedimentary Dynamics Model to Calculate Erosion and Deposition Fluxes in Fresh Water Rivers: Application to the Low Rhone Region

Session: Ecotoxicology and Pollution I

Room: Humanities 6

Chair R.V. Hyne
 
11.00 Vivien Matagi, Effect of Glyphosate and 2,4-D on Water Quality in the Herbicidal Control of Water Hyacinth on Lake Victoria
11.15 Age Molversmyr, The Occurrence of Pesticides in The Skas-Heigre Tributary, South-Western Norway, Over the Past Decade. 
11.30 N. Stewart, B. Munday, A. Sodergren, Tail Fat Of Platypus (Ornithorhynchus anatinus) Describes The Occurrence And Distribution Of Organochlorine Residues In Freshwater Environments In Tasmania.
11.45 Walter Salzburger, Glyphosate In Herbicides: An Immense Threat To Microbial Bottom-Up Process In Freshwater Systems
12.00 T. Kobayashi, Detection of Pesticide Discharges from Irrigated Agriculture in Southern NSW, Australia
   

Thursday 8th February – Oral Sessions


12.15 R.V. Hyne, A.W. Leonard, F. Pablo, Sorption and Desorption of Pesticides between Water and Trimethylpentane-Containing Passive Samplers- A Model Based on Laboratory Flow Through System
12.30 Eva Papastergiadou, D. Babalonas, C. Pirini, Root Zone Treatment Of Sewage Effluent In A Natural Wetland.
12.45 N. De Pauw, S. Heylen, Mentum Deformations in Chironomus Larvae For Assessment of Freshwater Sediments in Flanders, Belgium

Session: Biology and Ecology of Aquatic Organisms IV

Room: South 1

Chair Alain Vanderpoorten
 
11.00 Christopher Moriaty, Food and Growth of the European eel Anguilla anguilla
11.15 Kenneth Mavuti, J.E. Ojuok, M.J. Ntiva, I.G. Cowx, Gonadal Patterns and Reproductive strategy of Nile Tilapia, Oreochromis niloticus (L.) in the Nyanza Gulf of Lake Victoria
11.30 M.S. Arcifa, L.H.S. Sampaio, E.G. Feresin, V.L.M. Huszar, Phytoplankton, Zooplankton and Fish Interactions in a Brazilian Reservoir: Herbivory and Nutrient Recycling
11.45 Nina Hemphill, E. Garcia, Diadromous Fishes in the Caribbean, Are They in Peril?
12.00 K. Bittner, K.O. Rothhaupt, Parasites in Daphnia--An Overview
12.15 M.J. Caramujo, E. De Haas, W. Admiral, Distribution of Harpacticoid Copepods in Floodplain Lakes (River Waal, the Netherlands)
12.30 Alain Vanderpoorten, Molecular systematics and hydrochemical determinism in the genus Amblystegium (Musci) . Application to the biomonitoring of surface waters.

Sessions: Plankton Ecology V

Room: Rotunda 1

Chair Justin Brookes
 
2.00 Maren Adler, Responses Of Phytoplankton And Submerged Aquatic Macrophytes To Experimental Nutrient Enrichment In The Pantanal, Mato Grosso (Brazil)
2.15 Jotaro Urabe, Food Quality Determinants For Daphnia Growth In P-Limited Lakes.
2.30 Naresh Mehra, J. Arora, Species Diversity Of Rotifers In Various Aquatic Ecosystems In And Around Delhi, India
2.45 R. De Fillippo, The Interflux in Serra da Mesa Reservoir Measured by a Multiparameter Sonde
3.00 Catherine Hall, C.W. Burns, Effects of Temperature and Salinity on two Co-Occurring Calanoid Copepods, Boeckella hamata and Gladioferens pectinatus
3.15 Justin Brookes, R. Regel, G. Ganf, M. Burch, Applications of Flow Cytometry to Phytoplankton Research
3.30 Ali A. Al-Lami, T.I. Kassim, S.K. Salman, Phytoplankton of Tigris River, Iraq
3.45 Esteban G. Balseiro, B. Modenutti, C. Queimalinos, Feeding of Boeckella Gracilipes (Copepoda, Calanoida) on Ciliates and Phytoflagellates in Andean Lakes

Session: Microbial Ecology in Freshwaters I

Room: Rotunda 4

Chair Meinhard Simon
 
2.00 Roger Jones, H. Feuchtmayr, Nutrient Limitation of Bacterioplankton Growth in Some Upland Lakes
2.15 Milan Straskraba, K. Simek, J. Nedoma, J. Vrba, Coupling Between Primary Production And Bacterial Production In Lakes And Reservoirs Along A Trophic Gradient
2.30 Morten Sondergaard, M. Danielsen, Abundance And Proportion Of Respiratory Active Bacteria ( CTC+) In Temperate Lakes: Temporal And Cross-System Variations
2.45 D. Uhlmann, S. Maaben, The Chemical Structure Of The Sediment-Water Interface In Reservoirs As A Reflection Of Microbial Activity And Trophic Conditions
3.00 Owen Lind, B. Christian, C.Early, Factors Affecting Bacterioplankton Size in Anoxic Hypolimnia
3.15 Anton Wille, B. Sattler, Microbial Food Web Interactions in the Pelagic Zone of Gossenkollesee (Tyrol, Kuhtai, 2417 m.a.s.l.)
3.30 L. Davolos-Lind, O. Lind, R. Hooker, Simultaneous Nutrient Limitation of Reservoir Bacterioplankton and Phytoplankton 
3.45 N. Buesing, M.O. Gessner, Microbial Biomass and Production in a Littoral Reed Stand

 

Thursday 8th February – Oral Sessions
Session: Ecology of Streams and Rivers III

Room: Humanities 1

Chair Tod Crowl
 
2.00 M.J. Townsend, T.A. Crowl, R. Phillips, A.P. Covich, F.N. Scatena, Indirect and direct abiotic controls on a species-poor stream insect assemblage
2.15 T.A. Crowl, M.J. Townsend, R. Phillips, A.P. Covioch, F.N. Scatena, Particulate Organic Matter Dynamics in Tropical Headwater Streams: A Comparison of Biotica and Abiotic Factors
2.30 R.G. Death, Predicting Invertebrate Diversity in New Zealand Streams
2.45 Riku. Paavola, T. Muotka, R. Virtanen, J. Heino, A. Maki-Petays, P. Kreivi, Community Concordance in Boreal Streams
3.00 Jill Lancaster, K,.Hall, Using Stream Banks as Flow Refugia : Caddis Flies Walking Out of Trouble
3.15 Leonard Sandin, Small Scale Variability Of Benthic Macroinvertebrates In A Swedish Stream Riffle
3.30 Katherine Strickler, K. Lohman Relationship Between Aquatic Invertebrate Communities And Environmental Factors In Mesic And Xeric Watersheds

Session: Tropical Limnology II

Room: Humanities 4

Chair JohnTalling
 
2.00 Jouko Sarvala, S. Badende, D. Chitamwebwa, P. Juvonen, L. Mwape, H. Molsa, N. Mulimbwa, K. Salonen, K. Vuorio, Pelagic Food Web Structure In Lake Tanganyika As Revealed By Stable Carbon And Nitrogen Isotopes
2.15 Fatimah Yusoff, H.M. Matias, N. Khan, Changes Of Water Quality, Chlorophyll And Zooplankton Along The River-Lacustrine Continuum In A Tropical Reservoir
2.30 Gunnel Ahlgren, E. Hooker, N. Chow, Fatty Acid Quality of Seston and Their Effects on the Quality of Small Fish in the Two Large Lakes, Xolotlan and Cocibolca, Nicaragua
2.45 Petter Larsson, Y. Kizito, A. Miyingo-Kezimbra, S. Luyiga, The Eutrophication of Murchison Bay in Lake Victoria
3.00 Guenter Gunkel, J. Casallas, Limitation Of Lake Productivity Of An Equatorial High Mountain Lake, Lago San Pablo, Ecuador, by deep diurnal mixing processes
3.15 E. Silva, S. Ingthamjitr, Some Limnological Aspects Of Ubolratana Reservoir In Thailand
3.30 Gina Luiza Deberdt, Pelagic Community Primary Production of a Heavily Polluted Tropical Reservoir, Salto Grande/ Americana

Session: Limnology in Water Treatment

Room: Humanities 5

Chair Mark Lund
 
2.00 Mark Lund, P.S. Lavery, R.H. Froend, Bacteria and Biofilm (Periphyton) in Constructed Wetlands Treating Highly Coloured Nutrient Enriched Stormwater
2.15 Kennedy Francis Roche, Zooplankton of a Temperate Region Dairy Waste Stabilization Pond
2.30 Mihael J. Toman, I. Skaper, Biological Assessment of Wastewater Treatment Plant Conditions Using a Sludge Biotic Index
2.45 Stuart Hawkins, M.A. Lund, P.S. Lavery, Phosphorus Removal from Stormwater by Biofilms (Periphyton) in Constructed Wetland Systems, Western Australia
3.00 Li Wen, F. Recknagel, P Removal from Irrigation Drainage Water by Water Plants Based Systems

Session: Polar and Alpine Streams and Lakes I

Room: Humanities 6

Chair John Brittain
 
2.00 J.E. Brittain, S.J. Saltveit, E. Castella, Spatial and Temporal Dynamics of Zoobenthic Communities in a Glacial River on Spitsbergen
2.15 John N. Anderson, K.P. Brodersen, Controlling Patterns of Lake Ice Out and Thermal Stratification Along Climate Gradient in the Low Arctic of West Greenland
2.30 Maggi Hieber, T.R. Robinson, U. Uehlinger, J.V. Ward, Habitat Templet of Alpine Lotic Systems

Thursday 8th February – Oral Sessions


2.45 Jack Jones, J. Le Perriere, Limnology of Lakes in Katmai National Park and Preserve, Alaska: Nutrients and Plankton
3.00 F. Malard, K. Tockner, U. Uehlinger, Glaciers as a Source of Iron in an Alpine River-Floodplain System
3.15 Neal Michelutti, M.S.V. Douglas, J.P. Smol, Tracking Eutrophication and Recovery in a High Arctic Lake Using Diatoms
3.30 Chris T. Robinson, U. Uehlinger, p. Schenkel, F. Guidon, R. Skvarc, Limitation And Retention Of Nutrients In Alpine Streams
3.45 Sue Gillespie, BlK. Ellis, J.A. Stanford, J.A. Craft, D.W. Chess, F.R. Hauer, Limnology Of Lakes In Glacier National Park, Montana, USA.

Session: Biology and Ecology of Aquatic Organisms V

Room: South 1

Chair Eric Dorfman
 
2.00 Brian Whitton, N.T.W. Ellwood, Phosphatase Activities of Phototrophs in an Acidic Stream as an Indicator of their Nutrient Status
2.15 Brian Whitton, D. Giantzoudis, Nitrogen-Phosphorus Status of Chara hispida in a Calcareous Pond Undergoing Long-Term Changes
2.30 Bjorn Walseng, Plankton versus Littoral Microcrustaceans (Copepods and Cladocerans) as Indices of Recovery from Acidification
2.45 K.H Chang, T. Hanazato, Morphological Defence of Bosmina fatalis Against Invertebrate Predators in Lake Suwa
3.00 Orah Hadas, R. Pinkas, N. Malinsky-Rushansky, A. Sukenik, A. Kaplan, Cyanobacteria in Lake Kinneret: Physiological and Ecological Adaptations
3.15 Joseph Kerekes, Waterbirds from a Limnologists Perspective
3.30 Arnthor Gardarsson, A. Einarsson, The Food Relations Of Waterbirds Of Myvatn, Iceland. The Food Relations Of Waterbirds Of Myvatn, Iceland.
3.45 Eric Dorfman, R.T. Kingsford, J. Porter, Use of Natural and Artificial Wetlands by Australian Waterbirds: Implications for Population Growthland Management
4.00 Koen Martens, Gigantism in Non-Marine Ostracods.

Session: Great Lakes Coastal Ocean Processes

Room: Rotunda 1

Chair Michael McCormick
 
4.30 Michael McCormick, J. Miller, G.S. Murthy, C.R. Rao, Y.R. Saylor, J.H. Saylor, Tracking Coastal Flow with Surface Drifters During the Episodic Events Great Lakes Experiment
4.45 Dave Millie, G.L. Fahnenstiel, S.E. Lohrenz, O. Scholfield, Impact of Episodic Sediment Resuspension on Lake Michigan Phytoplankton
5.00 Gerald Miller, M.J. McCormick, J.H. Saylor, R.C. Murthy, Y.R. Rao, Temporal And Spatial Variability of the Resuspension Coastal Plume in Southern Lake Michigan Inferred From ADCP Backscatter
5.15 R. Rao, R Murthy, M.J. McCormick, G.S. Miller, J.H. Saylor, Coastal Exchange Characteristics During Unstratified Season In Lake Michigan.
5.30 G. Fahnenstiel, S. Lohrenz, O. Scholfield, D. Millie, Standard Niskin Bottles Inhibit phytoplankton Photosynthesis in Lake Michigan

Session: Microbial Ecology in Freshwaters 11

Room: Rotunda 4

Chair: Ken Hall
 
4.30 Riks Laanbroek, A.M.L. Bollmann, A.G.C.L. Speksnijder, Spatial Variation in the Ammonia-Oxidising Community of the River Schelde
4.45 Ken Hall, T.G. Northcote, Bimeromixis Sharply Intensifies Primary Production Processes in Normally Unimeomictic Small Saline Lake
5.00 Jackub Borovec, J. Hejzlar, P-Release Mechanisms in a Dimictic Reservoir
5.15 Anja Duffek, C. Langer, P. Herzsprung, M. Mages, Biogeochemistry of a young acidic mining lake under the influence of flooding with river water- a case study

Thursday 8th February – Oral Sessions


5.30 Kelli O'Neill, P. Horwitz, M. Lund, The Spatial Nature Of Changing Acidity In A Wetland: The Case Of Lake Jandabup On The Swan Coastal Plain, Western Australia
5.45 Henning Jensen, Relative Phosphorus Release and Phosphrous Retention Efficiency in Sediments and Brackish Lakes
6.00 Valentin Bulgareanu, V. Feurdean, Saline Sulfide Lakes of Romania Saline Sulfide Lakes of Romania

Session: Ecology of Streams and Rivers 1V

Room: Humanities 1

Chair Bruce Wallace
 
4.30 Bruce Wallace, W.F. Cross, S.L. Eggert, E.R. Siler, Sixteen Years of Abundance, Biomass, and Secondary Production of Invertebrates from Three Headwater Streams: Trophic Structure and Inter-Annual Variability
4.45 Michael Parker, M.E. Power, J.T. Wootton, Effects Of Substrate Composition, Streambed Stability, And Sediment Supply On Survival And Trophic Role Of A Dominant Stream Grazer.
5.00 Kit Rutherford, N.B. Broekhuizen, Effects of Shade Restoration on Stream Periphyton-Grazer Interactions
5.15 Jack Stanford, N.J. Gayeski, D.S. Pavlov, K.A. Savvaitova, K.V. Kuzishchin, Biophysical Complexity Of The Krutogorova River, Kamchatka, Russia
5.30 N. Barbee The Role of Benthic Grazers in a Tropical Lowland Stream

Session: Tropical Limnology III

Room: Humanities 4

Chair Maria Leichtfried
 
4.30 M. Leichtfried, K.S. Mokaya, J.M. Mathooko, Characterization of Sediment Biofilm in a Polluted Tropical Second Order Stream, The Njoro River Kenya
4.45 Leonardo Maltchik, S. Filho, Succession of Macroinvertebrates in a Short Term Aquatic Habitat in Neotropical Region
5.00 Kenneth Mavuti, J.M. Ntiva, J.R. Muli, Biodiversity and Abundance of Macroinvertebrates Fauna within Water Hyacinth Weeds in the Kenyan Waters of Lake Victoria
5.15 Alain Gregoire, Hydropower Environmental Issues In Tropical Systems
5.30 E. Silva, Role of Aulacoseira sp. In Abstraction Of DSI In Man Made Water Bodies In Sri Lanka.
5.45 M.R. Ahmadi, R.B. Behruzi, Comparative Survey of Macrofauna of Kolahy and Tiab Estuaries at Persian Gulf Coast (Iran)

Session: Urbanization and Stream Ecology

Room: Humanities 5

Chair Orie Loucks
 
4.30 Orie Loucks, O.H. Erekson, S.R. Elliot, Framing Information on Urbanizing Stream Ecosystems for Contingent Valuation Surveys
4.45 Petra Podraza, The Intermediate-Disturbance Hypothesis In Urban Streams
5.00 Anne Spacie, M. Myers-Kinzie, M.W. Doyle, Relationship Of Unionid Mussel Occurrence To Channel Stability In Urban Streams
5.15 Malavika Chauhan, Impact of Urbanization on The Ecology of River Yamuna
5.30 T.U. Chan, D.P. Hamilton, Modelling of Phytoplankton Succession and Biomass in a Seasonal Estuary

Session: Polar and Alpine Streams and Lakes II

Room: Humanities 6

Chair David Pearce
 
4.30 David Pearce, The Diversity Of Bacterioplankton Community Structures Over A Range Of Antarctic Freshwater Lakes.

Thursday 8th February – Oral Sessions


4.45 Koen Sabbe, S. Cousin, D. Hogdson, W. Vyverman, Cultivable VS Noncultivable Diversity Of Photosynthetic Eukaryotes Of Antarctic Microbial Mats
5.00 Birgit Sattler,H. Puxbaum, R. Psenner, Microbial Processes In Clouds
5.15 Gabriela Staicu, C. Cotroceanu, D. Cogainiceanu, N. Galdean, A brief Characterization Of The Benthic Fauna And Physico-chemical Parameters Of The Glacial Lakes From Retezat Mountains (Romania)
5.30 Olli Varis, S. Fraboulet-Jussila, Analysis Of Eutrophication Level And Critical Loads Of Lac De Guiers, Senegal