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Friday, August 13th - Oral presentations

FriAmOR19 : Plankton communities 10

Time: 09:10 - 10:10
Location: Hall I (Theatre)
Chair: Marko Järvinen

09:10 Christian Kamenik, Karin A. Koinig, Roland Schmidt     PALAEOLIMNOLOGICAL EVIDENCE FOR LEAD-RELATED CHANGES IN ALGAL ASSEMBLAGES OF A MOUNTAIN LAKE
09:30 Helene Roussel, Loïc Ten-Hage, René Le Cohu, Sandrine Joachim, Jean-Marc Bonzom     HOW DOES HEAVY METAL POLLUTION CAN AFFECT PRIMARY PRODUCER COMMUNITY RESPONSES?
09:50 Supatra Parnrong, Ian C. Campbell, Bruce Chessman, Sein Mya     PRIMARY PRODUCTION: AN ECOLOGICAL HEALTH INDICATOR FOR THE MEKONG BASIN




FriAmOR20 : Plankton communities 11

Time: 11:00 - 13:00
Location: Hall I (Theatre)
Chair: Gunnar Persson

11:00 Jon S. Olafsson, Finnur Ingimarsson, Hilmar J. Malmquist     CRUSTACEAN COMMUNITIES IN ICELANDIC LAKES IN RELATION TO ENVIRONMENTAL VARIABLES
11:20 Sulmin Gumiri, Toshio Iwakuma     SEASONAL DYNAMICS OF ZOOPLANKTON COMMUNITIES IN INTERCONNECTED TROPICAL SWAMP LAKE ECOSYSTEMS
11:40 Inta Deimantovica     SPATIAL STRUCTURE OF ZOOPLANKTON FAUNA IN LAKE DRIDZIS
12:00 Jiri Machacek     IN SITU DYNAMICS OF MORPHOLOGY AND LIFE HISTORY TRAITS OF DAPHNIA GALEATA: AN AUTECOLOGICAL APPROACH
12:20 Elena Forasacco, Barbara Leoni, Stéphan Jacquet, Mario Cotta Ramusino, Dominique Fontvieille     THE GENUS SIMOCEPHALUS : BIOLOGY OF THE POPULATIONS OF LAKE BOURGET AND LAKE ISEO




FriPmOR16 : Plankton communities 12

Time: 14:30 - 15:30
Location: Hall I (Theatre)
Chair: Glen George

14:30 Maki Imai, Wulandari Linda, Ardianor no, Gumiri Sulmin, Toshio Iwakuma     A COMPARATIVE STUDY OF ZOOPLANKTON COMMUNITIES IN SOME OXBOW AND FLOODPLAIN LAKES OF CENTRAL KALIMANTAN, INDONESIA
14:50 Kennedy Roche, William Marcos da Silva, Marcia Divina de Oliveira     COPEPODS COMMUNITIES AND SOME LIMNOLOGICAL FACTORS OF SMALL WATER-BODIES OF A BRAZILIAN FLOODPLAIN (NHECOLÂNDIA PANTANAL, BRAZIL).
15:10 Raul Primicerio     PREDATOR MEDIATED COEXISTENCE IN ZOOPLANKTON: THE IMPORTANCE OF BEHAVIOURAL MECHANISMS




FriPmOR17 : Plankton communities 13

Time: 16:00 - 17:00
Location: Hall I (Theatre)
Chair: Glen George

16:00 Zhengwen Liu, Yafen Chen, Longxin Shi, Guijun Yang     CHANGES IN THE ZOOPLANKTON COMMUNITIES WITH AN INCREASE IN TROPHIC LEVELS IN LAKE TAIHU, A SUBTROPICAL SHALLOW LAKE (CHINA)
16:20 Valerie McCarthy, Ian Donohue, Kenneth Irvine     THE RESPONSES OF THE ZOOPLANKTON COMMUNITY TO NUTRIENT CONCENTRATIONS IN LOUGH CARRA AND MASK CO. MAYO, IRELAND
16:40 Guntram Weithoff     FOOD AND TEMPERATURE DRIVEN CHANGES IN LIFE HISTORY TRAITS OF TWO SYMPATRIC ROTIFERS




FriAmOR5 : Food web interactions in aquatic ecosystems 10

Time: 09:10 - 10:10
Location: Hall II (Theatre)
Chair: Maciej Gliwicz

09:10 Annekatrin Wagner, Stephan Hülsmann, Manuela Bollenbach, Jürgen Benndorf     PREY OR PREDATOR: FACTORS CONTROLLING THE ROLE OF INVERTEBRATE PREDATORS (LEPTODORA KINDTII, CHAOBORUS FLAVICANS, PIONA SPP.) IN A BIOMANIPULATED RESERVOIR
09:30 Jukka Horppila, Anne Liljendahl-Nurminen     THE EFFECT OF INORGANIC TURBIDITY ON THE CO-EXISTENCE OF CHAOBORIDS AND PLANKTIVOROUS FISH
09:50 Michael Korn, Dietmar Straile     THE INFLUENCE OF STICKLEBACK PREDATION ON MACROPHYTE ASSOCIATED INVERTEBRATES




FriAmOR6 : Food web interactions in aquatic ecosystems 11

Time: 11:00 - 12:20
Location: Hall II (Theatre)
Chair: Maciej Gliwicz

11:00 Maria Boveri, Rolando Quiros     CASCADING EFFECTS OF TWO PELAGIC FISHES FROM PAMPEAN SHALLOW LAKES: A MESOCOSM EXPERIMENT WITH A VISUAL PLANKTIVOROUS AND A FILTER FEEDER
11:20 Harri Helminen, Jouko Sarvala     CONSEQUENCES OF BIOMANIPULATION ARE COMPLEX
11:40 Fredrik Palm, Jan Stenson, Ragnar Lagergren     INFERRING CHANGES IN PLANKTIVOROUS FISH PREDATION FROM SEDIMENT RECORDS
12:00 John O'Brien, Chris Luecke, Cody Johnson, Victor Holland     VARIABLE IMPACT OF ARCTIC GRAYLING PREDATION ON ARCTIC LAKE FOODWEBS




FriPmOR12 : Ultraviolet radiation effects on organisms and ecosystems 1

Time: 14:30 - 15:30
Location: Hall II (Theatre)
Chair: Ruben Sommaruga

14:30 Cesar Daniel, Anesio Alexandre, Granéli Wilhelm     SIGNIFICANCE OF UV-IRRADIATED DISSOLVED ORGANIC MATTER FOR PLANKTON FOOD WEBS IN TWO LAKES WITH DIFFERENT WATERCOLOR
14:50 Anssi Vähätalo, Kalevi Salonen     BACTERIAL PRODUCTION AND RESPIRATION UNDER EXPOSURE TO SOLAR UV-RADIATION IN A HUMIC LAKE
15:10 Beatriz Modenutti, Esteban Balseiro, Roberto Bertoni, Cristiana Callieri, Claudia Queimaliños     EFFECT OF DIFFERENT UNDERWATER LIGHT INTENSITIES AND QUALITIES ON STENTOR ARAUCANUS NET PRIMARY PRODUCTION IN AN ANDEAN LAKE




FriPmOR13 : Ultraviolet radiation effects on organisms and ecosystems 2

Time: 16:00 - 17:00
Location: Hall II (Theatre)
Chair: Robert Moeller

16:00 Ferdinand Schanz, Piero Pasini     SURFACE INHIBITION OF PHYTOPLANKTON PRIMARY PRODUCTION AND UV-ACCLIMATION WITH INCREASING ALTITUDE
16:20 John Rueter     UV INHIBITION OF PHYTOPLANKTON PRODUCTIVITY IN WALDO LAKE, OREGON
16:40 Barbara Tartarotti, Ruben Sommaruga     SOLAR RADIATION-DEPENDENT DYNAMICS IN MYCOSPORINE-LIKE AMINO ACIDS OF NATURAL PHYTOPLANKTON ASSEMBLAGES AND ZOOPLANKTON FROM A HIGH-MOUNTAIN LAKE




FriAmOR13 : Integrated water management and lake monitoring 7

Time: 08:30 - 10:10
Location: Hall III (Fellmanni)
Chair: John Melack

08:30 Patricia Geraghty     INTEGRATED CATCHMENT MANAGEMENT IN ACTION: VICTORIA'S SUCCESS STORY
08:50 Jindrich Duras     DECREASING PHOSPHORUS LOAD TO RESERVOIRS - HOPE FOR FUTURE?
09:10 Flipo Nicolas , Poulin Michel, Even Stéphanie, Ledoux Emmanuel     MODELLING IMPACT OF POINT AND NON-POINT SOURCE POLLUTION ON WATER QUALITY AT THE CATCHMENT SCALE.
09:30 Øivind Løvstad, Astri Fagerhaug     A PHOSPHORUS BASED CLASSIFICATION SYSTEM AND ALGAL TOXICITY TESTS




FriAmOR14 : Integrated water management and lake monitoring 8

Time: 11:00 - 13:00
Location: Hall III (Fellmanni)
Chair: Meryem Beklioglu

11:00 Asanka Jayasinghe, Upali Amarasinghe, Sena De Silva     AN APPROACH TO CLASSIFY SEASONAL RESERVOIRS OF SRI LANKA USING CARLSON'S TROPHIC STATE INDICES
11:20 René Canuel, Sylvie Boucher de Grosbois     MERCURY IN THE THIRD WORLD COUNTRY: CAN WE REACT?
11:40 Ian Campbell, Chris Barlow, Pham Hien     MANAGING THE ECOLOGICAL HEALTH OF THE MEKONG RIVER: EVALUATING THREATS AND FORMULATING RESPONSES.
12:00 Christian Frank, Juergen Menge, George Mutiba     THE ROLE OF WATER QUALITY CONTROL IN AN ARID COUNTRY, NAMIBIA
12:20 Carin E. Van Ginkel, Sandra Du Plessis, Michael Silberbauer, Chris Carelsen     MONITORING TOTAL MICROCYSTIN TOXIN CONCENTRATION IN FIVE SOUTH AFRICAN IMPOUNDMENTS FOR MANAGEMENT PURPOSES
12:40 Brij Gopal     DEVELOPING A CONSERVATION INDEX FOR LAKES IN INDIA




FriPmOR10 : Integrated water management and lake monitoring 9

Time: 14:30 - 15:30
Location: Hall III (Fellmanni)
Chair: Brigitte Nixdorf

14:30 Hiroshi Kawanishi     SUBSURFACE WATER STORAGE CHARACTERISTICS ANALYZED BY THE ANNUAL VARIATIONS OF SPRING WATER DISCHARGE
14:50 Susan B. Watson, Patricia Chambers, Lucie Sliva, Ken Cheek, Jamie Fennnel, Joanne Williams     SURFACE WATER INTEGRITY IN THE CANADIAN ROCKY MOUNTAINS: REASSESSING CURRENT MANAGEMENT MODELS.
15:10 Alison King, Gerry Quinn     MONITORING ECOLOGICAL RESPONSES TO ENVIRONMENTAL FLOWS




FriPmOR11 : Integrated water management and lake monitoring 10

Time: 16:00 - 17:20
Location: Hall III (Fellmanni)
Chair: Brigitte Nixdorf

16:00 Pia Rotko, Jari Lyytimäki, Riia Mustonen     COMMUNICATION PRACTICES SUPPORTING SOCIAL CAPITAL WITHIN LAKE RESTORATION IN FINLAND
16:20 Clement Adrienne     GUIDELINE FOR PLANNING SHALLOW, EUTROPHIC RESERVOIRS FOR MANAGEMENT PURPOSES
16:40 Tomas Kull, Maria Degerlund, Malin Karell, Tore Lindholm     LONG-TERM CHANGES IN A FORMER MEROMICTIC COASTAL LAKE IN ÅLAND, SW FINLAND
17:00 Eduardo von Sperling, Cesar Grandchamp     CHANGES IN WATER QUALITY DURING THE FORMATION OF BRAZILIAN DEEPEST LENTIC SYSTEM: CASE STUDY OF AGUAS CLARAS PIT LAKE




FriAmOR15 : Nutrient dynamics and transport in catchments 3

Time: 08:30 - 10:10
Location: Hall IV (Fellmanni)
Chairs: Tom Frisk and Tuomo Karvonen

08:30 Rashid Tamatamah, Robert Hecky, Hamish Duthie     PHOSPHORUS AND SUSPENDED SEDIMENT LOADING FROM TWO RIVERS FLOWING INTO LAKE VICTORIA IN TANZANIA.
08:50 Janice Burke, Ellie Prepas     RUNOFF AND PHOSPHORUS EXPORT PATTERNS IN LARGE UPLAND-DOMINATED WATERSHEDS IN THE WESTERN CANADIAN BOREAL FOREST FOUR YEARS FOLLOWING WILDFIRE
09:10 Rafael Morales-Baquero, Elvira Pulido-Villena, Isabel Reche     BIOAVAILABILITY OF ATMOSPHERIC PHOSPHORUS DEPOSITION OVER HIGH MOUNTAIN LAKES IN SOUTHWESTERN EUROPE
09:30 Matli Chandra Sekhar, Daggupati Sreenvasulu     MODELLING NUTRIENTS CONTRIBUTED BY OVERLAND FLOW FROM THE KRISHNA RIVER BASIN
09:50 Frank Triska, John Duff, Ean Warren, Alan Jackman, Mike Godsy     HIGH AND LOW FLOW NUTRIENT RETENTION IN THE UPPER MISSISSIPPI RIVER AND A HIGH-NITRATE TRIBUTARY, THE ROOT RIVER, POOL 8, LA CROSSE, WISCONSIN, USA.




FriAmOR16 : Nutrient dynamics and transport in catchments 4

Time: 11:00 - 13:00
Location: Hall IV (Fellmanni)
Chairs: Tom Frisk and Tuomo Karvonen

11:00 Lauri Arvola, Ilpo Hakala, Marko Järvinen     NUTRIENT TRANSPORTATION FROM SMALL BOREAL CATCHMENT AREAS: INFLUENCE OF ANNUAL AND SEASONAL HYDROLOGICAL CHARACTERISTICS
11:20 Eeva Huitu, Suvi Mäkelä     TRANSPORT OF NUTRIENTS IN A BOREAL LAKE CHAIN
11:40 Antti Lindfors, Eeva Huitu, Timo Huttula, Suvi Mäkelä, Anne Ojala, Antti Ojala     QUANTIFYING THE REAL NUTRIENT RETENTION IN A BOREAL LAKE
12:00 John Melack, Al Leydecker, Amy Miller, James Sickman     NUTRIENT TRANSPORT FROM TEMPERATE MONTANE CATCHMENTS WITH STRONGLY SEASONAL RUNOFF
12:20 Stephen Norton, Ivan Fernandez, Aria Amirbahman     ALUMINUM AND OLIGOTROPHY - ASSEMBLING THE PIECES OF THE MODEL
12:40 Soon-Jin Hwang, Ho-Sub Kim     EFFECTS OF LIMITING NUTRIENTS AND N/P STOICHIOMETRY ON THE PHYTOPLANKTON GROWTH IN A EUTROPHIC RESERVOIR




FriPmOR14 : Nutrient dynamics and transport in catchments 5

Time: 14:30 - 15:30
Location: Hall IV (Fellmanni)
Chairs: Tom Frisk and Tuomo Karvonen

14:30 Patricia Chambers, Guy Martha     NUTRIENT REGULATION OF PERIPHYTON BIOMASS IN CANADIAN GLACIAL-FED RIVERS: DEVELOPMENT OF GUIDELINES
14:50 Aga Pinowska, Lei Zheng, R. Jan Stevenson     MACROALGAE DISTRIBUTION AS A FUNCTION OF WATER NUTRIENTS IN FLORIDA SPRINGS, U.S.A.
15:10 Neil Ellwood, Sue Haile, Brian Whitton     SURFACE PHOSPHATASE ACTIVITIES OF FIVE MOSS POPULATIONS IN UPLAND STREAMS OF NORTH-EAST ENGLAND.




FriPmOR15 : Nutrient dynamics and transport in catchments 6

Time: 16:00 - 17:00
Location: Hall IV (Fellmanni)
Chairs: Tom Frisk and Tuomo Karvonen

16:00 A.S. McNaught, D.B. O'Keefe     NATURAL AND ANTHROPOGENIC SOURCES OF NUTRIENT AND SEDIMENT TO A GREAT LAKES TRIBUTARY STREAM
16:20 Sofie Van Belleghem, Eric de Deckere, Kris Bal, Patrick Meire     SEASONAL PATTERN AND BIOMASS PRODUCTION OF MACROPHYTE SPECIES IN THE RIVER AA (BELGIUM)
16:40 George Lukacs, Damien Burrows, Barry Butler     WATER QUALITY IN AUSTRALIAN DRY TROPICAL WETLANDS: IMPACTS AND POTENTIAL MITIGATION




FriAmOR21 : Fish biology and fish stock management 1

Time: 08:30 - 10:10
Location: Hall V (Fellmanni)
Chair: Martti Rask

08:30 Rahman Patimar, Bahram H.Kiabi     FISH SEPCIES DIVERSITY IN THE INTERNATIONLA WETLANDS, ALMA-GOL, ADJI-GOL AND ALA-GOL, OF GOLESTAN PROVINCE, NORTH OF IRAN
08:50 Ralf Reinartz, Juerg Bloesch     HISTORY AND PERSPECTIVES OF "LIVING FOSSILS" (STURGEONS) IN THE DANUBE RIVER
09:10 Andrew Asila, Ojwang William     RELATIVE BIOMASS AND DIEL VERTICAL DISTRIBUTION OF NILE PERCH, LATES NILOTICUS LINNE, IN THE NYANZA GULF OF LAKE VICTORIA.
09:30 Marcel Droz, Erich Staub, Pascale Steiner     DECREASING ANGLING CATCH AND FISH DISTRIBUTION PATTERNS INDICATE REDUCED ECOLOGICAL INTEGRITY IN SWISS RIVERS
09:50 Norma Jean Sands, Ole Mathisen     MODELING OF THE ECOSYSTEM OF LAKE ILIAMNA




FriAmOR22 : Fish biology and fish stock management 2

Time: 11:00 - 13:00
Location: Hall V (Fellmanni)
Chair: John Magnuson

11:00 Jukka Ruuhijärvi, Pasi Ala-Opas, Tommi Malinen     FISH STOCKS OF LAKE VESIJÄRVI- FROM NUISANCE TO FLOURISHING FISHERY IN 15 YEARS
11:20 Ilkka Sammalkorpi, Arto Hautala, Mikko Olin, Jukka Ruuhijärvi     MASS REMOVAL OF CYPRINIDS IN THE RESTORATION OF LAKE TUUSULANJÄRVI:
11:40 Deonatus Chitamwebwa, Ishmael Kimirei     PRESENT FISH CATCH TRENDS AT KIGOMA, TANZANIA
12:00 Odd Terje Sandlund, Mattis U. Hambo, Gösta Kjellberg, Tor F. Næsje, Yngve G. Stang     EUROPEAN SMELT (OSMERUS EPERLANUS) EATS ALL; EATEN BY ALL: IS IT A KEY SPECIES IN LAKES?
12:20 Oliva Mkumbo, Ian Cowx     CHANGES IN FISH STOCKS AND THEIR INFLUENCE TO THE LIMNOLOGICAL CHARACTERISTICS IN LAKE VICTORIA
12:40 Eddy Lammens, Ruurd Noordhuis     INTERACTION BETWEEN PISCIVOROUS BIRDS AND PISCIVOROUS FISH IN GOOIMEER AND EEMMEER




FriPmOR18 : Fish biology and fish stock management 3

Time: 14:30 - 15:30
Location: Hall V (Fellmanni)
Chair: Odd Terje Sandlund

14:30 Julien Boullier, Gael Greouillet, Knut Lehre Seip     THE IMPORTANCE OF MACROPHYTE BEDS AND FASCINES FOR JUVENILE FISH ABUNDANCE IN LAKE BOURGET, RHÔNE RIVER, FRANCE
14:50 Marie Prchalova, Jan Kubecka, Milan Hladik, Mojmir Vasek, Jiri Peterka, Martin Cech, Vladislav Drastik, Eva Hohausova, Jaroslava Frouzova     FISH HABITAT PREFERENCES IN A COMPLEX RESERVOIR SYSTEM
15:10 Uwe Kahl, Robert J. Radke     IS BIGGER BETTER? SEX SPECIFIC GROWTH OF PERCH AND ROACH




FriPmOR19 : Fish biology and fish stock management 4

Time: 16:00 - 16:40
Location: Hall V (Fellmanni)
Chair: Odd Terje Sandlund

16:00 Portia C. Chifamba     CONDITION AND GROWTH RATE OF THE FRESHWATER SARDINES, LIMNOTHRISSA MIODON (BOULENGER) IN LAKE KARIBA




FriAmOR17 : The role of diapause in aquatic systems 1

Time: 08:50 - 10:10
Location: Hall VI (Fellmanni)
Chair: Victor Alekseev

08:50 Carla Caceres, Samantha Mulvany, Kimberly Paczolt     COMMUNITY ASSEMBLY IN RECENTLY CREATED LAKES
09:10 Scott Grubbs, Benjamin Hutchins, Chris Thomas     COMPARATIVE LIFE HISTORY ANALYSES OF STONEFLIES (PLECOPTERA) FROM AN INTERMITTENT-PERENNIAL STREAM CONTINUUM.
09:30 Edward Maly     WITHIN AND BETWEEN POND DIFFERENCES IN DIAPAUSING EGG PRODUCTION IN LEPTODIAPTOMUS COLORADENSIS (COPEPODA:CALANOIDA)
09:50 Eduardo Moisés García-Roger, María José Carmona, Manuel Serra     DENSITY AND VIABILITY OF BRACHIONUS ROTIFER DIAPAUSING EGG BANKS




FriAmOR18 : The role of diapause in aquatic systems 2

Time: 11:00 - 13:00
Location: Hall VI (Fellmanni)
Chair: Nelson Hairston

11:00 Raquel Ortells, Thorsten Reusch, Winfred Lampert     SALINITY TOLERANCE OF D. MAGNA POPULATIONS INFERRED FROM AN EGG BANK.
11:20 Victor Alekseev, Anatolij Khozjaikin     EFFECTS OF INDUSTRIAL HEATING ON LOCAL DIAPAUSE INDUCING SIGNAL IN DAPHNIA
11:40 Miroslaw Slusarczyk, Bernadette Pinel-Alloul, Malorie Gelinas     ULTIMATE REASONS FOR SUMMER DIAPAUSE OF DAPHNIA PULICARIA IN THE LAKE BROME, QUEBEC, CANADA
12:00 Barbara Keller, Piet Spaak     DAPHNIA HYBRIDS DO NOT INVEST IN DIAPAUSE
12:20 Yegor Zadereev     THE EFFECT OF CHEMICAL INTERACTIONS ON THE DIAPAUSE INDUCTION IN ZOOPLANKTON
12:40 Meghan Brown, Donn Branstrator     THE ROLE OF DORMANCY IN RANGE EXPANSION OF BYTHOTREPHES LONGMIMANUS IN NORTH AMERICA.




FriAmOR9 : Ecology of invasive species 1

Time: 08:30 - 10:10
Location: Hall VII (Theatre)
Chair: Kimberly Schulz

08:30 Akopian Maïa, Garnier Josette, Usseglio-Polatera Philippe     INVASIVE SPECIES IMPACT ON THE MACROINVERTEBRATE COMMUNITY IN THE LOWER MARNE RIVER (FRANCE)
08:50 Armin Kureck, Birte Schulz, Leif Kniggendorf, Helge Norf     THE PONTOCASPIAN POLYCHAETE HYPANIA INVALIDA, A SUCCESSFUL INVADER OF EUROPEAN RIVERS
09:10 Ilona B. Muskó, Csilla Balogh, Beáta Bakó, Helga Leitold, Ádám Tóth     PONTO-CASPIAN INVASIVE SPECIES ARE DOMINANT INVERTEBRATES ON SUBMERGED MACROPHYTES IN LAKE BALATON, HUNGARY
09:30 Csilla Balogh, Ilona B. Muskó, Szilvia Görög     SETTLING OF DREISSENA POLYMORPHA ON NATURAL SUBSTRATA IMPLANTED INTO LAKE BALATON
09:50 Richard Barbiero, Marc Tuchman, Scott Millard     AN UNEXPECTED MECHANISM FOR DREISSENID IMPACTS IN THE OFFSHORE WATERS OF LAKE ONTARIO




FriAmOR10 : Ecology of invasive species 2

Time: 11:00 - 13:00
Location: Hall VII (Theatre)
Chair: Sergei Ostroumov

11:00 Thomas Diggins     BIOLOGICAL INVASIONS AND A NEW PREMIUM ON SPACE IN NORTH AMERICA'S GREAT LAKES
11:20 Nicoletta Riccardi, Gianluigi Giussani     COMPETITIVE EXCLUSION OF THE COPEPOD EUDIAPTOMUS PADANUS FOLLOWING EUDIAPTOMUS GRACILIS INVASION OF LAKE CANDIA (NORTHERN ITALY)
11:40 Vadim Panov, Nadya Berezina     CHANGES IN LITTORAL COMMUNITIES OF SOME LARGE NORTHEASTERN EUROPEAN LAKES AFTER INVASION OF BAIKALIAN AMPHIPOD, GMELINOIDES FASCIATUS.
12:00 Kimberly Schulz     IMPLICATIONS OF AN ENERGETIC COMPARISON OF NATIVE AND EXOTIC INVERTEBRATE PREDATORS IN THE LAURENTIAN GREAT LAKES
12:20 Kestutis Arbaciauskas, Jonathan Grey     ASSIMILATION OF ALIENS: MYSID AND AMPHIPOD CONTRIBUTIONS TO FISH DIET IN LAKE DUSIA
12:40 Tamara Shiganova     INVASION OF CTENOPHORE MNEMIOPSIS LEIDYI INTO THE CASPIAN SEA




FriPmOR7 : Ecology of invasive species 3

Time: 14:30 - 15:30
Location: Hall VII (Theatre)

Chair: Eva Willen


14:30 O.M.C. Kumudinie, M.J.S Wijeyaratne     FEASIBILTY OF CONTROLLING ACCIDENTALLY INTRODUCED INVASIVE SPECIES CHITALA ORNATA IN SRI LANKA
14:50 Daniela Erhard, Elisabeth M. Gross     CHEMICAL DEFENCES IN INVASIVE ELODEA SPP.
15:10 Samuel Vivian Matagi     EFFECT OF GLYPHOSATE AND 2,4-D ON WATER QUALITY IN THE HERBICIAL CONTROL OF WATER HYACINTH ON LAKE VICTORIA




FriAmOR2 : Restoration and management of lakes and streams 1

Time: 08:30 - 10:10
Location: Hall VIII (Vaahtera hall)
Chair: Eddy Lammens

08:30 Timo Kairesalo, Juha Keto, Kirsi Vakkilainen     COMPREHENSIVE AND SUSTAINABLE APPROACH TO THE RESTORATION AND MANAGEMENT OF LAKE VESIJÄRVI (SOUTHERN FINLAND)
08:50 Kirsi Vakkilainen, Timo Kairesalo, Eira Luokkanen, Juha Keto     ZOOPLANKTON COMMUNITY RESPONSES TO THE REHABILITATION OF THE EUTROPHIC LAKE VESIJÄRVI, FINLAND
09:10 Ilona Joensuu, Mauri Pekkarinen     CULTURAL EUTROPHICATION, RESTORATION AND MANAGEMENT OF LAKE TUUSULANJÄRVI
09:30 Anne-Mari Ventelä, Richard C. Lathrop     COMPREHENSIVE APPROACHES FOR MANAGING AND RESTORING TWO LARGE LAKES AND THEIR CATCHMENT: PYHÄJÄRVI (FINLAND) AND LAKE MENDOTA (USA)
09:50 Heli Jutila     IMPROVING WATER QUALITY OF EIGHT BOREAL LAKES




FriAmOR3 : Restoration and management of lakes and streams 2

Time: 11:00 - 13:00
Location: Hall VIII (Vaahtera hall)
Chair: Erik Jeppesen

11:00 Liisa Lepistö, Kirsti Lahti, Jarkko Rapala, Leena Villa, Ilkka Sammalkorpi     EFFECTS OF FISH REMOVAL AND DESTRATIFICATION ON PHYTOPLANKTON ASSEMBLAGES AND TOXIC CYANOBACTERIA IN A SHALLOW HYPERTROPHIC LAKE
11:20 Martti Rask, Jukka Ruuhijärvi, Mikko Olin, Anja Lehtovaara, Sami Vesala     RESPONSES OF ZOOPLANKTON AND FISH TO RESTORATION IN A EUTROPHIC LAKE, TUUSULANJÄRVI, IN SOUTHERN FINLAND
11:40 Michail Gladyshev, Sergei Chuprov, Vladimir Kolmakov, Olga Dubovskaya, Elena Ivanova     BIOMANIPULATION IN A SMALL SIBERIAN RESERVOIR BYPASS THE TROPHIC CASCADE
12:00 Eva Schindler, Ken Ashley, Lisa Thompson, Lidija Vidmanic, Frances Pick, Harvey Andrusak, Dale Sebastian     RESTORATION OF KOKANEE SALMON IN KOOTENAY LAKE, SOUTHEASTERN BRITISH COLUMBIA: RESULTS OF A WHOLE-LAKE NUTRIENT REPLACEMENT EXPERIMENT
12:20 Tom Frisk, Arto Paananen, Ämer Bilaletdin, Heikki Kaipainen     POSSIBILITIES OF WATER PROTECTION AND RESTORATION OF LAKE TALSA, LITHUANIA




FriPmOR3 : Restoration and management of lakes and streams 3

Time: 14:30 - 15:30
Location: Hall VIII (Vaahtera hall)
Chair: Lauri Arvola

14:30 Eugene Welch, James Carroll     LONG-TERM BENEFIT OF DILUTION TO LAKE QUALITY: MOSES LAKE, WASHINGTON
14:50 Rainer Koschel, Peter Casper, Thomas Gonsiorczyk, Peter Kasprzak, Lothar Krienitz, Thomas Mehner, Reingard Rossberg, Marion Rumpf, Gerlinde Wauer     HYPOLIMNETIC AL- AND CACO3-TREATMENTS AND AERATION FOR RESTORATION OF A STRATIFIED EUTROPHIC HARDWATER LAKE (LAKE TIEFWARENSEE, MECKLENBURG-VORPOMMERN, GERMANY)
15:10 Richard Lathrop, Timothy Astfalk, John Panuska, David Marshall     RESTORATION OF A WISCONSIN (USA) SEEPAGE LAKE BY HYPOLIMNETIC WITHDRAWAL




FriPmOR4 : Restoration and management of lakes and streams 4

Time: 16:00 - 17:00
Location: Hall VIII (Vaahtera hall)
Chair: Lauri Arvola

16:00 Erkki Saarijärvi, K Matti Lappalainen     REGULATION OF STAGNATION AS A TOOL FOR IMPROVING HYPOLIMNETIC OXYGEN STATE
16:20 Motomi Genkai-Kato, Stephen Carpenter     EUTROPHICATION DUE TO PHOSPHORUS RECYCLING IN RELATION TO LAKE MORPHOMETRY, TEMPERATURE AND MACROPHYTES




FriAmOR7 : Sediment-water interactions 1

Time: 08:50 - 10:10
Location: Hall IX (City Library)
Chair: Veli-Pekka Salonen

08:50 Vera Istvánovics, András Osztoics, Márk Honti     LONG-TERM VARIABILITY OF EXTERNAL AND INTERNAL LOAD OF P DURING THE SUMMER IN BASIN 1 OF LAKE BALATON
09:10 Katarzyna Kowalczewska-Madura, Ryszard Goldyn     PHOSPHORUS CONTENT IN BOTTOM SEDIMENTS OF THE SWARZEDZKIE LAKE
09:30 Gertrud Nurnberg     QUANTIFICATION OF INTERNAL PHOSPHORUS LOADING AND CONCENTRATION IN POLYMICTIC LAKES
09:50 David Burger, David Hamilton, Conrad Pilditch, Julie Hall, Max Gibbs     BENTHIC-PELAGIC COUPLING OF NUTRIENTS IN LAKE ROTORUA, NEW ZEALAND




FriAmOR8 : Sediment-water interactions 2

Time: 11:00 - 13:00
Location: Hall IX (City Library)
Chair: Vera Istvánovics

11:00 Veli-Pekka Salonen, Samu Valpola, Jutta Forsell     UNDERSTANDING LAKE SEDIMENT DYNAMICS SUPPORTS LAKE RESTORATION – EXAMPLES FROM SHALLOW LAKES IN FINLAND
11:20 Andras Osztoics, Mark Honti, Vera Istvanovics     COMPARISON OF TWO METHODS FOR ESTIMATING SEDIMENTATION IN SHALLOW LAKES
11:40 Nigel Donald, Sabri Kilinc, Brian Rippey, Richard Douglas     A NEW METHOD TO COLLECT IN-SITU SAMPLES FOR METALS, NUTRIENTS, AND PHYTOPLANKTON IN LAKES.
12:00 Kristiina Vuorio, Markus Meili, Jouko Sarvala     HISTORICAL RECORD OF LAKE EUTROPHICATION BASED ON STABLE ISOTOPES (D15N AND D13C) IN THE SEDIMENT
12:20 Jinglu Wu, Lin Lin     ENVIRONMENTAL SIGNIFICANCE AND STABLE ISOTOPE SIGNATURES FROM SEDIMENTED ORGANIC MATTER IN LAKE TAIHU




FriPmOR5 : Sediment-water interactions 3

Time: 14:30 - 15:30
Location: Hall IX (City Library)
Chair: David Hamilton

14:30 Dmitrii Pavlov, Jarmo Merilainen, Juha Kamari, Irina Tomilina, Allan Witick, Victor Zakonnov     ELEMENTAL COMPOSITION OF SEDIMENTS AND TOXICITY ASSESSMENT OF WATERS IN THE SELENGA RIVER BASIN (MONGOLIA), THE MAIN INLET OF LAKE BAIKAL
14:50 Silvia Tavernini, Marco Bartoli, Giampaolo Rossetti     PHYSICAL AND CHEMICAL CHARACTERISTICS OF WATER AND SEDIMENT OF NINE MOUNTAIN ASTATIC PONDS (NORTHERN APENNINES, ITALY)
15:10 Vladimir Dauvalter     CHEMICAL COMPOSITION OF WATER AND SEDIMENTS OF THE PECHORA RIVER DELTA LAKES, RUSSIA




FriPmOR6 : Sediment-water interactions 4

Time: 16:00 - 17:00
Location: Hall IX (City Library)
Chair: David Hamilton

16:00 Antonio Mozeto, Patrícia Silvério, Marcos Nascimento, Aluisio Soares     METAL/METALLOID AND ORGANIC COMPOUND SOURCES IN SEDIMENTS FROM IBIRITÉ RESERVOIR AND ITS TRIBUTARIES - REGAP/PETROBRAS (MG-BRAZIL)
16:20 Kozerski Hans-Peter, Pluntke Thomas, Siegemund Axel, Hintze Thomas, Köhler Jan     DOES RESUSPENSION CONTROL THE LIGHT CLIMATE IN THE SHALLOW LAKE MÜGGELSEE (BERLIN, GERMANY) AFTER DISAPPEARANCE OF SUBMERSE MACROPHYTES?




FriAmOR1 : Limnology and global change 1

Time: 11:00 - 13:00
Location: Hall X (Adult Education Centre)
Chair: David Livingstone

11:00 Charles Goldman, Robert Coats     GLOBAL LAKE PROBLEMS ASSOCIATED WITH CLIMATE CHANGE WITH EMPHASIS ON THE WARMING OF LAKE TAHOE
11:20 Irina Persson, Thorsten Blenckner, Dokulil Martin, Hewitt Diane, Jones Ian, Matti Leppäranta     MODELLED THERMAL RESPONSE OF THREE EUROPEAN LAKES TO A PROBABLE FUTURE CLIMATE
11:40 Lone Liboriussen, Erik Jeppesen, Frank Landkildehus, Morten Søndergaard, Kirsten Christoffersen, Kathrine Richardson     CLIMATE WARMING: DESIGN AND PERFORMANCE OF A LONG-TERM MESOCOSM EXPERIMENT
12:00 Mariana Meerhoff, Lauridsen Torben, Jeppesen Erik, Bramm Mette Elisabeth, Landkildehus Frank, Liboriussen Lone, Søndergaard Martin     EFFECTS OF SIMULATED CLIMATE WARMING ON SUBMERGED PLANTS AND INVERTEBRATES IN OUTDOOR FRESHWATER MESOCOSMS
12:20 Mette Elisabeth Bramm, Mariana Meerhoff, Erik Jeppesen, Lone Liboriussen, Frank Landkildehus, Torben Lauridsen, Martin Søndergaard     EFFECTS OF SIMULATED CLIMATE WARMING ON ZOOPLANKTON DYNAMICS IN EXPERIMENTAL FRESHWATER MESOCOSMS




FriPmOR1 : Limnology and global change 2

Time: 14:30 - 15:30
Location: Hall X (Adult Education Centre)
Chair: Charles Goldman

14:50 Enikö Ivanyi, Reiner Kümmerlin, Dietmar Straile     RESPONSE OF DIATOMS TO CLIMATE VARIABILITY AND OLIGOTROPHICATION
15:10 Philip Barker     THE IMPACT OF CLIMATE CHANGE ON EAST AFRICAN LAKES: ABRUPT HOLOCENE CHANGES RECORDED BY DIATOMS AND STABLE ISOTOPES.




FriPmOR2 : Limnology and global change 3

Time: 16:00 - 17:00
Location: Hall X (Adult Education Centre)
Chair: Charles Goldman

16:00 Robert G. Wetzel     TRANSUDATION OF ELEVATED ATMOSPHERIC CO2 AND NATURAL UV LIGHT THROUGH ALTERED CARBON FLUXES AND HIGHER TROPHIC LEVEL PRODUCTION IN AQUATIC ECOSYSTEMS
16:20 Karen Moore, Cynthia Rosenzweig, Richard Goldberg, Donald Pierson, Kurt Pettersson, Elliot Schneiderman, Mark Zion, David Lounsbury     IMPACTS OF PROJECTED CLIMATE CHANGE ON PHOSPHORUS AND SEDIMENT LOADINGS FOR A NEW YORK CITY WATER SUPPLY RESERVOIR
16:40 Martin Søndergaard     NUTRIENT CYCLING IN ENCLOSURES SIMULATING CLIMATIC CHANGES




FriAmOR4 : Catchment impacts and external load 7

Time: 08:30 - 09:50
Location: Hall X (Adult Education Centre)
Chair: Tiina Nõges

08:30 Franco Salerno, Joanna Boguniewicz     HYDROLOGIC INTEGRATED STUDY AND WATER QUALITY DINAMICS IN A KARST ALPINE WATERSHED (NORTHERN ITALY)
08:50 Elisa Piña     NITROGEN MASS BALANCE AND DENITRIFICATION RATES IN LAGUNAS DE RUIDERA NATURAL PARK (SPAIN)
09:10 Robert Portielje     P LOADING REDUCTION AND STIMULATION OF CLEAR WATER STATE LAKE ECOSYSTEM COMPONENTS: A COMBINED APPROACH
09:30 Richard Kiesling, Joju Abraham, Steve Dworkin     EUTROPHICATION HISTORY OF LAKE WACO, TEXAS, FROM SEDIMENT GEOCHEMISTRY AND PALEOBIOLOGY




FriAmOR11 : Evolutionary ecology of aquatic organisms 1

Time: 09:10 - 10:10
Location: Hall XI (Adult Education Centre)
Chair: Ellen van Donk

09:10 Karsten Rinke, Jacobus Vijverberg, Thomas Petzoldt, Jürgen Benndorf     INDIVIDUAL AND POPULATION LEVEL DYNAMICS OF DAPHNIA AT VARYING FOOD AND TEMPERATURE CONDITIONS: A MODEL APPROACH
09:30 Nelson Hairston, Colleen Kearns, Matt Holland, Torrance Hanley, Barbara Santer, Jon Grey     PROLONGED DIAPAUSE, TEMPORAL DISPERSAL, AND THE GENETIC STRUCTURE OF ZOOPLANKTON POPULATIONS
09:50 Winfried Lampert, Kirsten Kessler     TRADE-OFF BETWEEN TEMPERATURE AND FOOD: MECHANISMS OF OPTIMAL VERTICAL DISTRIBUTION OF DAPHNIA




FriAmOR12 : Evolutionary ecology of aquatic organisms 2

Time: 11:00 - 13:00
Location: Hall XI (Adult Education Centre)
Chair: Winfried Lampert

11:00 Andrzej Mikulski     CAN CROWDED OR STARVED DAPHNIA "PREPARE" THEIR OFFSPRING TO ANTICIPATED FOOD DEFFICIENCY?
11:20 Ximena Aguilera, Koen De Gelas, An Wollebrants, Steven Declerck, Luc De Meester     INTRA- AND INTER-POPULATION GENETIC VARIABILITY OF DAPHNIA PULEX IN TROPICAL HIGH ALTITUDE LAKES (COCHABAMBA, BOLIVIA)
11:40 Justyna Wolinska, Piet Spaak     PARASITE' HOST PREFERENCE IN HYBRID DAPHNIA POPULATIONS
12:00 Isabel Santos-Magalhães, Miquel Lurling, Rudi Roijackers, Piet Spaak     DEVELOPMENT OF DEFENCE MECHANISMS IN DAPHNIA IN LAKE BERENDONCK, THE NETHERLANDS
12:20 Chen Feizhou, Xie Ping, Tang Huijuan     BEHAVIOR ADAPTATION OF PLANKTONIC CRUSTACEAN TO MICROCYSTIS BLOOM THROUGH DIEL VERTICAL MIGRATION
12:40 Jan-Erik Svensson, Ragnar Lagergren, Hans Lord, Nils Lundqvist     ZOOPLANKTON SIZE AND SEXUAL SELECTION - EXAMPLES IN BOSMINA AND EUDIAPTOMUS




FriPmOR8 : Evolutionary ecology of aquatic organisms 3

Time: 14:30 - 15:30
Location: Hall XI (Adult Education Centre)
Chair: Jukka Suhonen

14:30 Hans Lord, Ragnar Lagergren, Jan-Erik Svensson     SEXUAL DIMORPHISM IN BOSMINA: DRAG IN MALE AND FEMALE MODELS
14:50 Eugene Bychek, Rob Hart     IS BODY MASS A RELIABLE PREDICTOR OF METABOLIC RATE IN CLADOCERA?
15:10 Bas Ibelings, Arnout De Bruin, Maiko Kagami, Ellen Van Donk     STRAIN SPECIFIC INTERACTIONS BETWEEN DIATOM HOSTS AND FUNGAL PARASITES




FriPmOR9 : Evolutionary ecology of aquatic organisms 4

Time: 16:00 - 17:00
Location: Hall XI (Adult Education Centre)
Chair: Jukka Suhonen

16:00 David Fewer, Leo Rouhiainen, Anne Rantala, Kaarina Sivonen     THE EVOLUTION OF THE MICROCYSTIN BIOSYNTHETIC PATHWAY
16:20 Yukinari Ban, Takashi Mita, Masahiro Ishikawa     PATCHY EMERGENCE OF THE MASS EMERGING MAYFLY, EPHORON SHIGAE TAKAHASHI(EPHEMEROPTERA: POLYMITARCYIDAE) IN THE YAHAGI RIVER IN CENTRAL JAPAN
16:40 Hilmar J. Malmquist, Þórólfur Antonsson, Guðni Guðbergsson, Skúli Skúlason, Sigurður S. Snorrason     VARIABILITY IN LIFE HISTORY TRAITS OF ARCTIC CHARR (SALVELINUS ALPINUS) IN ICELAND AND THE ROLE OF THE LAKE ENVIRONMENT




FriAmOR23 : Acidification and liming 1

Time: 08:50 - 10:10
Location: Hall XII (Design Institute)
Chair: Maris Klavins

08:50 Hans Borg, Anders Wilander     WATER CHEMISTRY OF SWEDISH FOREST LAKES - INFLUENCE OF LIME TREATMENT AND ACIDIFICATION
09:10 Wilander Anders     PREDICTIONS OF NATURAL CHEMICAL CONDITIONS IN LIMED LAKES
09:30 Oliver Totsche, Rosemarie Poethig, Willfried Uhlmann, Heike Buettcher, Christian Steinberg     BUFFERING OF ACIDIC MINE WATERS
09:50 Walter Geller, Gustavo Baffico, Monica Diaz, Kurt Friese, Matthias Koschorreck, Robert Kringel, Fernando Pedrozo, Burkhard Scharf, Katrin Wendt-Potthoff     THE ACIDIC WATERS OF RIO AGRIO AND LAGO CAVIAHUE AT VOLCAN COPAHUE, ARGENTINA.




FriAmOR24 : Acidification and liming 2

Time: 11:00 - 13:00
Location: Hall XII (Design Institute)
Chair: Eric Chauvet

11:00 Nils Ekelund, Andreas Aronsson     BIOLOGICAL EFFECTS OF WOOD ASH APPLICATION TO AQUATIC ECOSYSTEMS
11:20 Synne Kleiven, Arne Lande     EFFECTS OF LIMING ON PHYTO - AND ZOOPLANKTON COMMUNITIES IN MOUNTAIN LAKES.
11:40 Eva Willén     PLANKTONIC ALGAE IN LIMED LAKES COMPARED TO CIRCUMNEUTRAL REFERENCES – SIMILARITIES AND DISSIMILARITIES
12:00 Richard Johnson     THE LONG-TERM EFFECTS OF LIMING ON LITTORAL MACROINVERTEBRATE COMMUNITIES OF BOREAL LAKES
12:20 Alan Hildrew, Mark Ledger, Tracey Stead, Guy Woodward     FOOD WEBS, RECOLONISATION AND RECOVERY IN ACIDIC STREAMS
12:40 Robert Cruikshanks, Mary Kelly-Quinn     RECOLONISATION OF SENSITIVE BAETIDAE SPECIES (EPHEMEROPTERA) IN AN EPISODICALLY-ACIDIC UPLAND STREAM IN IRELAND FOLLOWING FELLING OF CONIFEROUS PLANTATION FORESTRY




FriPmOR20 : Acidification and liming 3

Time: 14:30 - 15:30
Location: Hall XII (Design Institute)
Chair: Alan Hildrew

14:30 Karen Galtress     USING MULTIVARIATE ANALYSIS TO INVESTIGATE THE INFLUENCE OF LOW TO MODERATE LEVELS OF DISSOLVED METALS ON FRESHWATER INVERTEBRATE COMMUNITIES IN THE ISLE OF MAN
14:50 Maria Kahlert, Cecilia Andrén     BENTHIC ALGAE AS VALUABLE INDICATORS OF ACIDITY
15:10 Jean-Marc Baudoin, François Guerold, Eric Chauvet, Philippe Wagner, Philippe Rousselle     DOES FRESHWATER ACIDIFICATION LEAD TO A LOSS OF FUNGI DIVERSITY?




FriPmOR21 : Acidification and liming 4

Time: 16:00 - 17:00
Location: Hall XII (Design Institute)
Chair: Alan Hildrew

16:00 Kerstin Holmgren     CRITICAL VALUES OF DIFFERENT ACIDITY INDICES - AS EVALUATED BY FISH COMMUNITIES OF SWEDISH LAKES
16:20 Cecilia M. Andren, Frode Kroglund, Hans-Christian Teien     CONTROLLED EXPOSURE OF BROWN TROUT TO A LIMED ACID AND ALUMINIUM-RICH HUMIC WATER
16:40 Hans-Christian Teien Teien, Cecilia Andrén, Frode Kroglund     CHANGES IN GILL REACTIVITY OF ALUMINIUM SPECIES FOLLOWING LIMING OF AN ACID AND ALUMINIUM-RICH HUMIC WATER