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Saturday, August 14th - Oral presentations



SatAmOR11 : Plankton communities 14

Time: 08:50 - 10:10
Location: Hall I (Theatre)
Chair: Paula Kankaala

08:50 G. Douglas Haffner     THE RELATIONSHIP BETWEEN THERMAL AND BIOLOGICAL COMMUNITY STRUCTURES IN AN ANCIENT, ISLAND LAKE.
09:10 Christina C. Branco, Alcides S. Guarino, Vanessa G. Lopes, Cíntia Pinheiro, Rinaldo Rocha     PLANKTON COMMUNITY AND LIMNOLOGICAL FEATURES OF AN OLD BRAZILIAN RESERVOIR
09:30 Diego Copetti, Gianni Tartari, Jorg Imberger     A COMPARISON BETWEEN ONE-DIMENSIONAL AND THREE-DIMENSIONAL ECOLOGICAL MODELS IN A MID-SIZE SUB-ALPINE LAKE
09:50 Meric Albay, Reyhan Akcaalan, Ayten Kýmýran     RELATIONSHIP BETWEEN ENVIRONMENTAL CONDITIONS, PRIMARY PRODUCTION AND MICROBIAL WATER QUALITY IN A SHALLOW TURKISH LAKE, LAKE MANYAS




SatAmOR12 : Plankton communities 15
Chair: Paula Kankaala

Time: 11:00 - 12:00
Location: Hall I (Theatre)

11:00 Hermann Oberndorfer, Hubert Blatterer     CILIATES (PROTOZOA, CILIOPHORA) - INDICATORS OF WATER QUALITY
11:20 Anthony P. Thorpe, John R. Jones     BACTERIAL ABUNDANCE IN MISSOURI RESERVOIRS IN RELATION TO TROPHIC STATE
11:40 Danny Rejas, Koenraad Muylaert, Luc De Meester     NUTRIENT SOURCES SUPPORTING BACTERIAL GROWTH IN AN AMAZONIAN LAKE




SatAmOR9 : Ultraviolet radiation effects on organisms and ecosystems 3

Time: 08:30 - 10:10
Location: Hall II (Theatre)
Chair: Michael Arts

08:30 Ruben Sommaruga, Zhengwen Liu     DEALING WITH HIGH UV IRRADIANCE LEVELS IN BLOOM-FORMING CYANOBACTERIA: ROLE OF MYCOSPORINE-LIKE AMINO ACIDS
08:50 Robert Moeller     ULTRAVIOLET RADIATION ENHANCES UPTAKE OF MYCOSPORINE-LIKE AMINO ACIDS BY A CALANOID COPEPOD BUT NOT A DAPHNID
09:10 Iris D. Zellmer, Michael T. Arts     DOES SUBLETHAL UV-RADIATION CAUSE CHANGES IN THE DIGESTIVE TRACT OF SUBARCTIC DAPHNIA?
09:30 Michael Arts, Iris Zellmer     DOES UV RADIATION AFFECT LIPID DYNAMICS IN SUB-ARCTIC FOOD CHAINS?
09:50 Eeva Vehniäinen, Jani Häkkinen, Aimo Oikari     ROLE OF DOSE AND DOSE RATE - VULNERABILITY OF PIKE LARVAE TO ULTRAVIOLET-B RADIATION




SatAmOR10 : Ultraviolet radiation effects on organisms and ecosystems 4

Time: 11:00 - 11:40
Location: Hall II (Theatre)
Chair: Iris Zellmer

11:00 Bruce Hargreaves, Christopher Forstall, Lisa Nichols, Donald Morris, Frank Pazzaglia, Craig Williamson, Richard Weisman     LAKE MODEL FOR ULTRAVIOLET ATTENUATION ADAPTED TO STREAMS
11:20 María Arróniz-Crespo, Encarnación Núñez-Olivera, Javier Martínez-Abaigar, Rafael Tomás Las Heras, Nathalies Beaucourt, Saul Otero     ARE PLANTS FROM HIGHER ALTITUDES MORE UV-B TOLERANT? A CASE STUDY USING AN AQUATIC LIVERWORT FROM MOUNTAIN STREAMS




SatAmOR7 : Integrated water management and lake monitoring 11

Time: 08:30 - 10:10
Location: Hall III (Fellmanni)
Chair: Theo Claasen

08:30 Jose G. Tundisi, Takako Matsumura-Tundisi, José Eduardo M. Tundisi, João Durval Arantes Junior, Nestor F. Manzini     THE RESPONSE OF RESERVOIRS OF SOUTH EAST OF BRAZIL TO THE PASSAGE OF COLD FRONTS AS REFLECTED BY PHYSICAL, CHEMICAL AND BIOLOGICAL VARIABLES.
08:50 Arturo Chacon Torres, Martha Beatriz Rendon Lopez, Yolanda Vergara De Paz, Catalina Rosas Monge     PHYSICAL ATTRIBUTES OF A MEXICAN CRATER LAKE
09:10 Gianni Tartari, Elisa Buraschi, Diego Copetti, Franco Salerno, Chiara Monguzzi, Romano Pagnotta, Aldo Marchetto     CHARACTERIZATION OF THE ITALIAN LAKE-TYPES
09:50 Åge Molversmyr, Ann Karin T. Holmen, Einar Leknes     AKSJON JÆRVASSDRAG – AN INITIATIVE TO IMPROVE ENVIRONMENTAL QUALITY OF LAKES AND STREAMS IN THE JÆREN REGION OF SOUTH-WESTERN NORWAY




SatAmOR8 : Integrated water management and lake monitoring 12

Time: 11:00 - 12:00
Location: Hall III (Fellmanni)
Chair: José Tundisi

11:00 Trajce Naumoski     TROPHIC STATE TRENDS OF MACEDONIAN LAKES
11:20 Theo Claassen     LIMNOLOGICAL CHARACTERISTICS OF LAKE THE LEIJEN IN THE NORTHERN NETHERLANDS,
11:40 Sassi Wemmer, Stefan Byden, Jan-Erik Svensson, Jan Schmidtbauer Crona     ANGLING AS ECOTOURISM: IDENTIFICATION OF ENVIRONMENTAL RISKS




SatAmOR3 : Restoration and management of lakes and streams 5

Time: 08:30 - 10:10
Location: Hall VIII (Vaahtera hall)
Chair: Patricia Chambers

08:50 Daniel Obrecht, Anthony Thorpe, John Jones     RESPONSE IN THE JAMES RIVER ARM OF TABLE ROCK LAKE TO POINT SOURCE PHOSPHORUS REDUCTION
09:10 Timothy Moulton, Sandra Magalhães-Fraga, Sonia Santos, Bianca Braun, Ernesto Brito, Marcelo Souza     COMMUNITY STRUCTURE, ECOSYSTEM FUNCTIONING AND RESTORATION OF URBAN STREAMS OF RIO DE JANEIRO, BRAZIL
09:30 Jukka Syrjänen, Timo Muotka     DOES RESTORATION INCREASE TROUT DENSITY IN BOREAL STREAMS: A BACI APPROACH?
09:50 Roland Pechlaner, Leopold Füreder     SUBMERGED LOG-FOOTING: A PROMISING TECHNIQUE FOR ECOLOGICALLY IMPROVED BANK PROTECTION, COUNTERACTING COLMATING RIVER BEDS IN ALLUVIAL LANDSCAPES




SatAmOR4 : Restoration and management of lakes and streams 6

Time: 11:00 - 11:40
Location: Hall VIII (Vaahtera hall)
Chair: Patricia Chambers

11:00 Górniak Andrzej, Zieliñski Piotr, Grabowska Magdalena, Jekatieryñczuk-Rudczyk Elbieta, Suchowolec Tomasz, Smakulska Joanna     POLYHUMIC RESERVOIR BIOMANIPULATION RESULTS AFTER FOUR YEARS OF ACTIVITY
11:20 Tian Xie, Yan Liang, Fushou Zhu, Gang Chen     A NEW BIOTECHNOLOGICAL METHOD FOR THE PURIFICATION OF POLLUTED WATERS




SatAmOR5 : Sediment-water interactions 5

Time: 08:30 - 10:10
Location: Hall IX (City Library)
Chair: Heikki Simola

08:30 Maria Leichtfried, Jan Helesic     INVESTIGATIONS ON GRAVEL BARS AND HYPORHEIC ZONE IN AN ALPINE AND TWO HERCYNIAN STREAMS IN CENTRAL EUROPE
08:50 Dietrich Borchardt, Ralf Ibisch, Jens Schmidt     DECOLMATION OF HYPORHEIC SEDIMENTS CAUSED BY MEIOFAUNA: ECOLOGICAL IMPLICATIONS FOR GRAVEL SPAWNING FISH RECRUITMENT
09:10 David Eccles     THE POSSIBLE ROLE OF GROUNDWATER IN THE MANGANESE CYCLE IN LAKES.
09:30 Elisabeth Irmgard Meyer, Michael Potthoff, Oliver Wiesmann, Norbert Kaschek     INFLUENCE OF SEDIMENT DYNAMICS ON SUBSTRATE-ASSOCIATED PARAMETERS IN SANDY-BOTTOMED STREAMS
09:50 Irene Karlsson Elfgren, Anna Brunberg     THE IMPORTANCE OF SHALLOW VS. DEEP SEDIMENTS IN THE RECRUITMENT OF ANABAENA AND APHANIZOMENON (CYANOPHYCEAE)




SatAmOR6 : Sediment-water interactions 6

Time: 11:00 - 11:40
Location: Hall IX (City Library)
Chair: Heikki Simola

11:00 Fanxiang Kong, Rong Yan, Xiaobo Han    DISTRIBUTION AND RECRUITMENT OF THE WINTER SURVIVAL BLUE-GREEN ALGAE ON THE SEDIMENTS OF TAIHU LAKE, CHINA
11:20 Alster Alla, Zohary Tamar, Dubinsky Zvy     PERIDINIUM GATUNENSE CYST TYPE, ABUNDANCE AND GERMINATION IN LAKE KINNERET




SatAmOR1 : Limnology and global change 4

Time: 08:30 - 10:10
Location: Hall X (Adult Education Centre)
Chair: Jouko Sarvala

08:30 Piet Verdonschot     THE EFFECTS OF CLIMATE CHANGE ON THE DISTRIBUTION OF LOWLAND STREAM MACRO-INVERTEBRATES
08:50 Dietmar Straile, Michael Kugler     INFLUENCE OF CLIMATE VARIABILITY ON YEAR CLASS STRENGTH (YCS) OF WHITEFISH (COREGONUS LAVARETUS) IN LAKE CONSTANCE
09:10 Valery Vuglinsky, Tatyana Gronskaya, Natalya Lemeshko     TEMPORAL AND SPATIAL VARIATIONS OF ICE PHENOMENA AND THERMAL CHARACTERISTICS OF LAKES(NORTH-WESTERN RUSSIA AS A CASE STUDY)
09:30 Martin Dokulil, Katrin Teubner, Alfred Jagsch     CLIMATE CHANGE AFFECTING HYPOLIMNETIC WATER TEMPERATURES IN DEEP ALPINE LAKES
09:50 Christopher T. Robinson, Sebastian Matthaei, Jürg B. Logue     RAPID RESPONSE OF ALPINE STREAMS TO CLIMATE INDUCED TEMPERATURE CHANGE,




SatAmOR2 : Limnology and global change 5

Time: 11:00 - 12:00
Location: Hall X (Adult Education Centre)
Chair: Jürg Bloesch

11:00 Gesa Weyhenmeyer, Markus Meili, David Livingstone     VARYING IMPACTS OF GLOBAL WARMING ON THE TIMING OF LAKE ICE BREAKUP ALONG A LATITUDINAL GRADIENT
11:20 Matti Leppäranta, Kunio Shirasawa, Caixin Wang, Olli Huttunen, Masao Ishikawa, Toru Takatsuka     ICE STATION 2003 IN LAKE PÄÄJÄRVI, FINLAND
11:40 Keguang Wang, Anu Reinart, Matti Leppäranta     SIMULATING THE ICE DYNAMICS IN LAKE PEIPSI