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Thursday, August 12th - Oral presentations


ThuAmPS1 : Plenary Lecture - Jeppesen Erik

Time: 08:30 - 09:15
Location: Hall I (Theatre)
Chair: Jouko Sarvala

08:30 Erik Jeppesen, M. Sondergaard, J.P. Jensen, T.L. Lauridsen     LAKE RESPONSES TO REDUCED NUTRIENT LOADING




ThuAmPS3 : Plenary Lecture - Jones Roger

Time: 09:15 - 10:00
Location: Hall I (Theatre)
Chair: Jouko Sarvala

09:15 Roger Jones     LIMNOLOGY OF HUMIC WATERS




ThuAmPS2 : Plenary Lecture - Van Donk Ellen

Time: 08:30 - 09:15
Location: Hall III (Fellmanni)
Chair: Gene Likens

08:30 Ellen Van Donk     PLANKTONIC INTERACTIONS: DEVELOPMENTS AND PERSPECTIVES.




ThuAmPS4 : Plenary Lecture - Stanford Jack

Time: 09:15 - 10:00
Location: Hall III (Fellmanni)
Chair: Gene Likens

09:15 Jack Stanford     FLOODPLAIN BIOCOMPLEXITY: DYNAMIC CONTROLS ON EMERGENT PROPERTIES OF RIVER ECOSYSTEMS (PLENARY LECTURE)




ThuAmOR9 : Plankton communities 7

Time: 11:00 - 13:00
Location: Hall I (Theatre)
Chair: Ian Hawes

11:00 Takashi Nagai, Akio Imai, Kazuo Matsushige, Takehiko Fukushima     LIMITING NUTRIENTS ON THE GROWTH OF BLOOM-FORMING CYANOBACTERIA WITH SPECIAL FOCUS ON IRON SPECIATION
11:20 Yoshimasa Yamamoto, Hiroyuki Nakahara     EVALUATION OF GROWTH FACTORS CONCERNING COMPETITIVE DOMINANCE BETWEEN MICROCYSTIS WESENBERGII AND ANABAENA SPIROIDES
11:40 Cristiana Callieri, Silvia Moro, Emanuele Caravati, Nicholas Crosbie, Thomas Weisse     IRRADIANCE AND TEMPERATURE EFFECT ON PHOTOSYNTHETIC EFFICIENCY OF NATURAL POPULATIONS OF FRESHWATER PICOCYANOBACTERIA AND COMPARISON WITH SELECTED STRAINS
12:00 Suvi Mäkelä, Eeva Huitu, Tiina Tulonen, Anne Ojala     CONTROL MECHANISMS OF CYANOBACTERIAL BLOOMS IN LAKES OF VARYING TROPHIC STATUS AND MORPHOMETRY
12:20 Heike Irmgard Baumann, Friedrich Jüttner     EFFICIENCY OF DIGESTIVE PROTEASE INHIBITORS OF PLANKTOTHRIX RUBESCENS
12:40 Herman Gons, Stefan Simis, Marjolijn Tijdens     DYNAMIC MODELLING OF VIRALLY INDUCED CYANOBACTERIAL MASS MORTALITY IN EUTROPHIC LAKE WATER




ThuPmOR17 : Plankton communities 8

Time: 14:30 - 15:30
Location: Hall I (Theatre)
Chair: Judit Padisak

14:30 Stefan Simis, Marjolijn Tijdens, Steef Peters, Herman Gons     OPTICAL CHARACTERIZATION OF CYANOBACTERIAL BLOOM TERMINATION
14:50 Natalya Mineeva     CHLOROPHYLL CONTENT AS A FOUNDATION FOR AN OPTICAL AND TROPHIC CLASSIFICATION OF THE WATERS (BY EXAMPLE OF THE VOLGA RIVER RESERVOIRS)
15:10 Volkmar Gerhardt, Ute Bodemer     DETERMINATION OF PHYTOPLANKTON COLOUR CLASSES: ONLINE EXCITATION SPECTROSCOPY OF THE DELAYED FLUORESCENCE (DF) OF ALGAE




ThuPmOR18 : Plankton communities 9

Time: 16:00 - 17:00
Location: Hall I (Theatre)
Chair: Judit Padisak

16:00 Mark Honti, Vera Istvanovics, Andras Osztoics     MEASURING AND MODELING IN SITU DYNAMIC PHOTOSYNTHESIS OF VARIOUS PHYTOPLANKTON GROUPS
16:20 Christina Kaiblinger, Katrin Teubner, Martin T. Dokulil     COMPARATIVE ASSASSMENT OF PHYTOPLANKTON PHOTOSYNTHESIS USING CONVENTIONAL 14C-DETERMINATION AND FAST REPETITION RATE FLUOROMETRY IN FRESHWATERS
16:40 Jaroslav Vrba, Alena Strojsova, Martina Strojsova, Jiri Nedoma     ENZYME LABELLED FLUORESCENCE (ELF): A NEW TOOL FOR DETECTING ENZYMES IN DISCRETE PLANKTONIC ORGANISMS AND PARTICULAR POPULATIONS




ThuAmOR4 : Food web interactions in aquatic ecosystems 7

Time: 11:00 - 13:00
Location: Hall II (Theatre)
Chair: Eric Pattee

11:00 Marco Matthes     THE INFLUENCE OF DAPHNIA ON A DEEP CHLOROPHYLL MAXIMUM IN AN EUTROPHIC LAKE
11:20 Maiko Kagami, Ellen Van Donk     DAPHNIA CAN PROTECT DIATOMS FROM FUNGAL PARASITISM
11:40 Hirokazu Takahashi, Takayuki Hanazato     PREDATION MAY REDUCE VULNERABILITY OF DAPHNIA POPULATIONS TO TOXIC CHEMICALS.
12:00 Michail Gubanov, Yegor Zadereev     CHEMICAL INTERACTIONS IN ZOOPLANKTON IN SHIRA LAKE: WHY ARCTODIAPTOMUS SALINUS ESCAPE FROM GAMMARUS LACUSTRIS?
12:20 Aurélie Véra, Christian Desvilettes, Alexandre Bec, Jean-François Rontani, Gilles Bourdier     LIPIDS IN THE COPEPOD ACANTHODIAPTOMUS DENTICORNIS : LIFE CYCLE AND TROPHIC RELATIONSHIPS
12:40 Wataru Makino, Hiroyuki Haruna, Syuhei Ban     INCREASED BODY SIZE OF A COPEPOD DUE TO FISH PREDATION?




ThuPmOR5 : Food web interactions in aquatic ecosystems 8

Time: 14:30 - 15:30
Location: Hall II (Theatre)
Chair: Marko Reinikainen

14:30 Ann Kristin Schartau, Arne Johan Jensen, Randi Saksgård     TOP-DOWN EFFECTS ON ZOOPLANKTON COMMUNITY STRUCTURE CAUSED BY MODERATE EUTROPHICATION OF A MESOHUMIC LAKE
14:50 Alain Dauta, Nofdi Nofdianto, Régis Cereghino, Eric Pattee     GRAZING PRESSURE OF A MAYFLY (ECDYONURUS INSIGNIS) COHORT OVER ITS LIFE CYCLE : A THEORETICAL APPROACH
15:10 Timo Muotka, Kristian Meissner, Antti Juntunen     MICRODISTRIBUTION OF A PREDATORY CADDIS LARVA AND ITS SIMULIID PREY IN A VARIABLE FLOW ENVIRONMENT




ThuPmOR6 : Food web interactions in aquatic ecosystems 9

Time: 16:00 - 17:00
Location: Hall II (Theatre)
Chair: Marko Reinikainen

16:00 Anne Liljendahl-Nurminen, Jukka Horppila     SEARCHING FOR THE MISSING PEAK – AN ENCLOSURE STUDY ON CLADOCERANS AND CHAOBORUS IN LAKE HIIDENVESI
16:20 Takamaru Nagata, Kwang-Hyeon Chang, Takayuki Hanazato     IMPACT OF INVERTEBRATE PREDATORS ON ROTIFER POPULATIONS IN LAKES : FIELD OBSERVATION AND EXPERIMENTAL ANALYSIS
16:40 Peter Starkweather, Maria Rosa Miracle, Vicente Eduardo, Antonio Picazo, Javier Vidal     DIEL DISTRIBUTIONS OF CHAOBORUS AND THEIR PREY: A FIELD ANALYSIS USING COMBINED ACOUSTIC AND CONVENTIONAL SAMPLING




ThuAmOR5 : Integrated water management and lake monitoring 4

Time: 11:00 - 13:00
Location: Hall III (Fellmanni)
Chair: Lars-Anders Hansson

11:00 Peeter Nõges, Ana Cristina Cardoso, Wouter van de Bund, Anna-Stiina Heiskanen     SETTING ECOLOGICAL QUALITY CLASS BOUNDARIES FOR THE WATER FRAMEWORK DIRECTIVE. I. THE LAKE INTERCALIBRATION NETWORK
11:20 Wouter van de Bund, Angelo Solimini, Peeter Nõges, Ana Cristina Cardoso, Anna-Stiina Heiskanen     SETTING ECOLOGICAL QUALITY CLASS BOUNDARIES FOR THE WATER FRAMEWORK DIRECTIVE. II. THE RIVER INTERCALIBRATION NETWORK
11:40 Leonard Sandin     TESTING THE EC WATER FRAMEWORK DIRECTIVE “ONE-OUT, ALL-OUT” RULE – SIMULATING DIFFERENT LEVELS OF ASSESSMENT ERRORS ALONG A POLLUTION GRADIENT IN SWEDISH STREAMS
12:00 Gary Free, Bowman Jim, Caroni Rossana, Donnelly Karol, Little Ruth, McGarrigle Martin, Deirdre Tierney, Noriana Kennedy, Ken Irvine     THE IDENTIFICATION OF LAKE TYPES USING MACROPHYTE COMMUNITY COMPOSITION IN IRISH LAKES
12:20 Ruth Little, Jim Bowman, Martin L. McGarrigle, Gary Free, Karol Donnelly, Deirdre Tierney, Rossana Caroni, Kenneth Irvine     THE SEARCH FOR A BIOLOGICALLY VERIFIED LAKE TYPOLOGY IN THE REPUBLIC OF IRELAND USING LITTORAL MACROINVERTEBRATES.
12:40 Jeanine Elbersen , Hugo Coops, Gerben van Geest     REFERENCE CONDITION AND MAXIMUM ECOLOGICAL POTENTIAL OF MACROPHYTE-RICH FLOODPLAIN LAKES ALONG THE LOWER RHINE




ThuPmOR7 : Integrated water management and lake monitoring 5

Time: 14:30 - 15:30
Location: Hall III (Fellmanni)
Chair: Yves Prairie

14:30 Kari Kallio, Pekka Härmä, Sampsa Koponen, Ulla-Maija Hyytiäinen, Jouni Pulliainen, Timo Pyhälahti, Jenni Vepsäläinen     SATELLITE IMAGES (LANDSAT ETM+, TERRA MODIS) IN THE MONITORING OF WATER QUALITY IN LAKE LOHJANJÄRVI, FINLAND
14:50 Donato Abe, José Tundisi, Takako Matsumura-Tundisi, José Eduardo Tundisi, Corina Sidagis-Galli, Maria Regina Martins-Triques, Valéria Teixeira-Silva, Margi Moss, Gérard Moss     A NEW APPROACH FOR WATER QUALITY ANALYSIS: SAMPLING ON A LARGE SCALE BY HYDRO-AIRPLANE IN THE BRAZILIAN TERRITORY
15:10 Aminadav Nishri, Assaf Sukenick     SPATIAL HETEROGENEITY OF WATER MASSES RECORDED BY A SINGLE MONITORING STATION - EVIDENCE PROVIDED BY THE KINNERET ECO-RAFT.




ThuPmOR8 : Integrated water management and lake monitoring 6

Time: 16:00 - 17:00
Location: Hall III (Fellmanni)
Chair: Yves Prairie

16:00 Cenk Gurevin, Vildan Tufekci, Huseyin Tufekci, Meric Albay     DETERMINATION OF WATER QUALITY PROBLEMS OF OMERLI RESERVOIR, ISTANBUL, TURKEY.
16:20 Kemal Ali Ger, Robert Derlet, J. R. Carlson, Charles Goldman     SURVEY OF AQUATIC BACTERIA IN A SUB-ALPINE RECREATIONAL LAKE.
16:40 Matthias Liess     JOINING ECOTOXICOLOGY AND LIMNOLOGY




ThuAmOR1 : Biodiversity of aquatic ecosystems 7

Time: 11:00 - 13:00
Location: Hall IV (Fellmanni)
Chair: Richard Lathrop

11:20 Gorazd Urbanic, Mihael J. Toman     CADDISFLIES IN WATERWAYS OF THE NORTHERN PART OF A DINARIC WESTERN BALKANS ECOREGION IN RELATION TO ENVIRONMENTAL FACTORS
11:40 Gisli Mar Gislason     THE ORIGIN OF THE AQUATIC ARTHROPODS OF THE NORTH-ATLANTIC ISLANDS. PRESENT DISTRIBUTION IN RELATION TO CLIMATE AND POSSIBLE MIGRATION ROUTES
12:00 Jukka Suhonen, Milla Hilli, Markku Kuitunen, Johanna Kullas, Jouni Penttinen, Jukka Salmela, Erna Suutari     LOCAL EXTINCTION OF DRAGONFLY POPULATIONS IN FINLAND




ThuPmOR13 : Nutrient dynamics and transport in catchments 1

Time: 14:30 - 15:30
Location: Hall IV (Fellmanni)
Chair: Tom Frisk

14:30 Tuomo Karvonen, Kirsti Granlund, Marie Thouvenot     MODELLING OF VARIOUS FORMS OF NITROGEN AND THEIR BEHAVIOUR IN A SMALL AGRICULTURAL CATCHMENT IN SOUTHERN PART OF FINLAND. PART I: NITROGEN LOAD FROM DIFFERENT LAND USE TYPES
14:50 Marie Thouvenot, Tuomo Karvonen, Kirsti Granlund     MODELLING OF VARIOUS FORMS OF NITROGEN AND THEIR BEHAVIOUR IN A SMALL AGRICULTURAL CATCHMENT IN SOUTHERN FINLAND. PART II: NITROGEN PROCESSES IN RIVERS.
15:10 Balestrini Raffaella, Arese Cristina, Delconte Carlo Andrea     NITROGEN REMOVAL IN A FRESHWATER RIPARIAN WETLAND: AN EXAMPLE FROM ITALIAN LOWLAND SPRING




ThuPmOR14 : Nutrient dynamics and transport in catchments 2

Time: 16:00 - 17:00
Location: Hall IV (Fellmanni)
Chair: Tom Frisk

16:00 Massoud A. H. Saad, Engie I. Hemeda     DISTRIBUTION OF NITROGENOUS SPECIES IN LAKE QARUN, A CLOSED EGYPTIAN BASIN RECEIVING HUGE AMOUNTS OF CONTAMINATED AGRICULTURAL DRAINAGE WATERS
16:20 Michela Rogora, Rosario Mosello, Alcide Calderoni, Alberto Barbieri     NITROGEN BUDGET OF A SUBALPINE LAKE IN NORTH-WESTERN ITALY: THE ROLE OF ATMOSPHERIC INPUT IN THE UPWARD TREND OF NITROGEN CONCENTRATIONS
16:40 Rossano Bolpagni, Bartoli Marco, Pierluigi Viaroli     NITROGEN AND PHOSPHORUS CYCLINGS IN A OXBOW LAKE DOMINATED BY TRAPA NATANS L.




ThuAmOR2 : Dissolved organic matter and limnology of humic waters 1

Time: 11:00 - 13:00
Location: Hall V (Fellmanni)
Chair: Uwe Münster

11:00 Morten Søndergaard     DISSOLVED ORGANIC CARBON (DOC) IN LAKE ESRUM, DENMARK
11:20 Tittel Jörg, Kamjunke Norbert, Wannicke Nicola     COMPETITION AND COEXISTENCE OF BACTERIA AND ALGAE USING DISSOLVED ORGANIC CARBON
11:40 E.H. Radomske, P.J Curtis, E.L Petticrew     DEPENDENCIES OF PHYTOPLANKTON AND BACTERIOPLANKTON BIOMASS AND PRODUCTIVITY ON DISSOLVED ORGANIC MATTER (DOM) AND INORGANIC NUTRIENTS
12:00 Gabi Mulderij, Bas Ibelings, Mihaela Tudor, Liliana Torok     INHIBITION OR STIMULATION? EFFECTS OF HUMIC SUBSTANCES (HS) ON PHYTOPLANKTON GROWTH IN DANUBE DELTA LAKES.
12:20 Tiina Tulonen, Lauri Arvola, Mikael Pihlström, Martti Rask     CHEMICAL AND BIOLOGICAL RESPONSE IN SMALL HUMIC LAKES AFTER THE CATCHMENT TREATMENT WITH WOOD ASH
12:40 Christian Steinberg, Levonas Manusadzianas, Reda Grigutyte, Rolandas Karitonas, Sigita Jurkoniene, Stephan Pflugmacher     MEMBRANE DEPOLARIZATION AND ELEVATION OF ROS-DEFENSIVE MECHANISMS DUE TO THE IMPACT OF DISSOLVED NATURAL ORGANIC MATTER (NOM) IN THE CHAROPHYTE NITELLOPSIS OBTUSA




ThuPmOR1 : Dissolved organic matter and limnology of humic waters 2

Time: 14:30 - 15:30
Location: Hall V (Fellmanni)
Chair: Morten Søndergaard

14:30 Dah Hongve     SUMMER MIXING DEPTHSIN SMALL LAKES DEPEND ON SURFACE AREA AND WATER COLOURI
14:50 Jane Chambers, Lynette da Silva, Leah Delfs, Jenny Davis     RESTORATION OF COLOUR IN HUMIC WETLANDS IN SOUTH-WESTERN AUSTRALIA
15:10 Olav Grøterud, Ståle Haaland     NITRATE AND HUMIC COLOUR RETENTION OF FIFTEEN SOFT WATER LAKES, SOUTHERN NORWAY




ThuPmOR2 : Dissolved organic matter and limnology of humic waters 3

Time: 16:00 - 17:00
Location: Hall V (Fellmanni)
Chair: Morten Søndergaard

16:00 Kazuhide Hayakawa     ABUNDANCE OF DISSOLVED NEUTRAL AND AMINO SUGARS IN LAKE BIWA
16:20 Ants Erm, Helgi Arst, Matti Leppäranta     IMPACT OF OAS ON THE OPTICAL PROPERTIES OF ICE
16:40 Fengchang Wu     INTERACTIONS BETWEEN HG(II) AND DISSOLVED ORGANIC MATTER (DOM) IN STREAMS: AN APPLICATION OF FLUORESCENCE SPECTROSCOPY




ThuAmOR7 : Changing Large Lakes of the World: Causes and consequenses 1

Time: 11:00 - 13:00
Location: Hall VI (Fellmanni)
Chairs: Mohiuddin Munawar and Markku Viljanen

11:00 Seppo Hellsten, Antton Keto, Mika Visuri, Sari Partanen, Mika Marttunen     LONG TERM CHANGES IN AQUATIC VEGETATION OF LAKE PÄIJÄNNE, SOUTHERN FINLAND
11:20 Tiina Nõges, Tiiu Alliksaar, Atko Heinsalu, Peeter Nõges     A PALEOLIMNOLOGICAL ASSESSMENT OF RECENT EUTROPHICATION HISTORY OF LARGE INLAND WATER BODY, LAKE PEIPSI, ESTONIA
11:40 Minna Rahkola-Sorsa, Valentin Avinski, Anna-Liisa Holopainen, Mari Ruuska, Markku Viljanen, Sergey Karetnikov     THE EFFECT OF THE VERNAL FRONTAL ZONE ON PLANKTON COMMUNITY STRUCTURE IN THE SOUTHERN LAKE LADOGA, RUSSIA
12:00 Leonid Rukhovets     CHANGES IN ECOSYSTEM OF THE GREATEST EUROPEAN LAKE LADOGA IN AN EVENTUAL WARMER CLIMATE
12:20 Evgeny Kurashov     MODERN ECOLOGICAL STATE OF THE LARGEST EUROPEAN LAKE LADOGA
12:40 Judit Padisák, Gábor Molnár     FOUR CONSECUTIVE DRY YEARS IN LAKE BALATON (HUNGARY): CONSEQUENCES FOR PHYTOPLANKTON BIOMASS AND COMPOSITION




ThuPmOR11 : Changing Large Lakes of the World: Causes and consequenses 2

Time: 14:30 - 15:30
Location: Hall VI (Fellmanni)
Chairs: Markku Viljanen and Mohiuddin Munawar

14:30 Mohiuddin Munawar, Iftekhar Munawar, Hugh MacIsaac, Ron Dermott, Mark Fitzpatrick, Heather Niblock     GLOBAL THREATS TO THE INTEGRITY OF THE NORTH AMERICAN GREAT LAKES FOOD WEB
14:50 Lyubov Izmest'eva, Boris Pavlov, Svetlana Shimaraeva     LONG-TERM DYNAMICS OF THE LAKE BAIKAL PHYTOPLANKTON
15:10 Lyubov Izmest'eva, Eugene Silow     LONG–TERM DYNAMICS OF ZOOPLANKTON COMMUNITY IN THE SOUTHERN BAIKAL




ThuPmOR12 : Changing Large Lakes of the World: Causes and consequenses 3

Time: 16:00 - 17:00
Location: Hall VI (Fellmanni)
Chairs: Markku Viljanen and Mohiuddin Munawar

16:00 Jouko Sarvala, Victor Langenberg, Kalevi Salonen, Deonatus Chitamwebwa, Timo Huttula, Roger Kanyaru, Pekka Kotilainen, N'sibula Mulimbwa, Hannu Mölsä     FISH CATCHES FROM LAKE TANGANYIKA MAINLY REFLECT CHANGES IN THE FISHERY, NOT CLIMATE CHANGE
16:20 George Coulter, Viktor Langenberg, Anthony Ribbink, Frits Roest, Jouko Sarvala, Oleg Timoshkin, Martin Van der Knaap     SURVIVAL OF SPECIES IN THE ANCIENT LAKES OF THE WORLD: THE CASES OF LAKES BAIKAL, BIWA, VICTORIA, TANGANYIKA AND MALAWI-NYASA
16:40 Timo Huttula, Victor Podsetchine, Anu Peltonen, Pekka Kotilainen, Hannu Mölsä     HYDRODYNAMICS AND THERMAL REGIME OF LAKE TANGANYIKA




ThuAmOR10 : Macroinvertebrates and benthic communities 7

Time: 11:00 - 13:00
Location: Hall VIII (Vaahtera hall)
Chair: Maria Rosa Miracle

11:00 Jolanta Ejsmont-Karabin     SMALL-SCALE HORIZONTAL PATCHINESS IN ROTIFER (ROTIFERA) COMMUNITIES OF LAKE PSAMMON
11:20 Habib M. Ahsan, Begum Dilara, Nayeem Haq     RELATIONSHIP OF DOMINANT GENERA AND SPECIES OF BENTHOS WITH ENVIRONMENTAL PROPERTIES OF TWO HABITATS
11:40 Toshio Iwakuma, Sulmin Gumiri, Yulintine Liwat, Ryo Komatsu     THE IMPORTANCE OF ZOOBENTHOS IN THE ECOSYSTEMS OF TROPICAL OXBOW LAKES
12:00 Ronald Griffiths, Tom Northcote     DOES AUTUMN LEAF-DROP ENHANCE DETRITIVOROUS STONEFLY GROWTH AND PRODUCTION? A COMPARATIVE STUDY.
12:20 Kirsten Christoffersen     BIOLOGY OF LEPIDURUS ARCTICUS IN NORTHERN LAKES
12:40 Michelle Bloor, Charles Banks     HOW LEACHATE STRESS MODIFIED THE POPULATION DYNAMICS OF TWO MACROINVERTEBRATES: WATER QUALITY IMPROVEMENTS BY CONSTRUCTED WETLANDS




ThuPmOR19 : Macroinvertebrates and benthic communities 8

Time: 14:30 - 15:30
Location: Hall VIII (Vaahtera hall)
Chair: Jarmo Meriläinen

14:30 Ayesha Burdett, Robyn Watts, Amy Jansen     INVERTEBRATE FAUNA OF SMALL, TEMPORARY WETLANDS IN AGROECOSYSTEMS ON THE MURRUMBIDGEE FLOODPLAIN, AUSTRALIA
14:50 Amara Barlow, Richard Norris, Richard Marchant     THE EFFECT OF DAMS ON MACROINVERTEBRATE RECOLONIZATION IN THE COTTER RIVER, AUSTRALIA
15:10 Sergei Ostroumov     FILTER-FEEDERS AS PART OF ECOLOGICAL BIOMACHINERY TO PURIFY WATER




ThuPmOR20 : Macroinvertebrates and benthic communities 9

Time: 16:00 - 17:00
Location: Hall VIII (Vaahtera hall)
Chair: Jarmo Meriläinen

16:00 Jörg Lewandowski, Michael Hupfer     THE EFFECTS OF MACROZOOBENTHOS ON SPATIAL PORE WATER HETEROGENEITY AND PHOSPHORUS
16:20 Peter Stief, Franz Hölker     FISH KAIROMONE-MEDIATED SEDIMENT BIOTURBATION AND BIOIRRIGATION BY CHIRONOMUS RIPARIUS
16:40 Oscar Ravera     THE IMPORTANCE OF THE METAL FORM IN THE BIOACCUMULATION MONITORING




ThuAmOR6 : Carbon cycling in high latitude ecosystems 1

Time: 11:40 - 13:00
Location: Hall IX (City Library)
Chair: Robert Striegl

11:40 Pirkko Kortelainen, Hannu Pajunen, Miitta Rantakari, Matti Saarnisto     CARBON POOL IN BOREAL HOLOCENE LAKE SEDIMENTS
12:00 Paula Kankaala, Jussi Huotari, Eline Peltomaa, Anne Ojala, Lauri Arvola     METHANOTROPHIC ACTIVITY IN RELATION TO TOTAL BACTERIAL PRODUCTION IN A BOREAL HUMIC LAKE
12:20 Emma Kritzberg, Jonathan Cole, Michael Pace, Steven Carpenter, James Kitchell, Darren Bade, Matthew Van de Bogert, David Bastviken, Wilhelm Granéli     TERRESTRIAL SUPPORT OF BACTERIAL AND ZOOPLANKTON GROWTH: RESULTS FROM WHOLE LAKE 13C ADDITIONS
12:40 Jérôme Marty, Dolors Planas     THE SOURCES OF CARBON FOR ZOOPLANKTON IN LAKES AND RESERVOIRS FROM NORTHERN QUEBEC (CANADA)




ThuPmOR9 : Carbon cycling in high latitude ecosystems 2

Time: 14:30 - 15:30
Location: Hall IX (City Library)
Chair: Pirkko Kortelainen

14:30 Miitta Rantakari, Pirkko Kortelainen     INTERANNUAL VARIATION AND CLIMATIC REGULATION OF THE CO2 EMISSION FROM LARGE BOREAL LAKES
14:50 Susan Waldron, Stephanie Evers, Chris Soulsby     INTER-RIVERINE TOTAL INORGANIC CARBON CYCLING IN A SMALL ORDER CATCHMENT DRAINING A PEATLAND CATCHMENT




ThuPmOR10 : Carbon cycling in high latitude ecosystems 3

Time: 16:00 - 17:00
Location: Hall IX (City Library)
Chair: Pirkko Kortelainen

16:00 Rob Striegl, George Aiken, Mark Dornblaser, Dennis Eberl     CARBON EXPORT BY THE YUKON RIVER, ALASKA
16:20 Alejandro Spitzy, Köhler Hayo     DISSOLVED ORGANIC MATTER FLUXES THROUGH SIBERIAN ESTUARIES
16:40 Ståle Haaland, Dolly Kothawala, Jan Mulder, Gunnhild Riise, Arne Stuanes     EFFECTS OF ALTERED PRESIPITATION REGIME IN AN UPLAND MOUNTAIN AREA IN NORWAY.




ThuAmOR3 : Catchment impacts and external load 4

Time: 11:00 - 13:00
Location: Hall X (Adult Education Centre)
Chair: Oscar Ravera

11:00 Joanna Boguniewicz, Franco Salerno, Andrea Capodaglio, Gianni Tartari     IMPACT OF THE LAMBRO RIVER ON THE STATE OF THE PUSIANO LAKE:
11:20 Bertram Boehrer, Martin Schultze, Walter Geller     PATH OF MULDE RIVER FLOOD WATERS THROUGH LAKE GOITSCHE IN AUGUST 2002
11:40 Juha Sarkkula, Eric Baran, Phen Chheng, Marko Keskinen, Jorma Koponen, Matti Kummu     TONLE SAP PULSING SYSTEM AND FISHERIES PRODUCTIVITY
12:00 Brandy DeArmond, Mark Brenner, William Kenney, Doug Leeper, Joseph Smoak     RADIUM-226 ACCUMULATION IN A GROUNDWATER-AUGMENTED LAKE NEAR TAMPA, FL, USA
12:20 Markus Meili     ARE MERCURY LEVELS IN FRESHWATER FISH RELATED TO TROPHIC STATUS?
12:40 Gunnhild Riise, Qinglan Wu, Helge Lundekvam, Lars Egil Haugen, Jan Mulder     SUSPENDED SEDIMENTS AS CARRIERS FOR THE FUNGICIDE PROPICONAZOLE IN AGRICULTURAL RUNOFF WATER




ThuPmOR3 : Catchment impacts and external load 5

Time: 14:30 - 15:30
Location: Hall X (Adult Education Centre)
Chair: Peeter Nõges

14:30 Stephen Maberly, Julie Parker     THE RESPONSE OF SILICA DYNAMICS TO CHANGES IN THE CATCHMENT AND CLIMATE: ANALYSIS OF DECADAL-SCALE LAKE DATA
14:50 Stéphanie Even, André Ficht, Bénédicte Thouvenin, Josette Garnier, Pierre Servais, Pierre Lehir     MODELLING THE CARBON CYCLE IN THE TURBIDITY MAXIMUM OF THE SEINE ESTUARY
15:10 Paulo Pedrosa     OPTICAL PROPERTIES OF THE PARAÍBA DO SUL RIVER (BRAZIL): THE CATAGUAZES CASE




ThuPmOR4 : Catchment impacts and external load 6

Time: 16:00 - 17:00
Location: Hall X (Adult Education Centre)
Chair: Peeter Nõges

16:00 Terry Langford     CAN POLLUTED URBAN STREAMS RECOVER ECOLOGICAL STATUS?
16:20 Balachandran Krishnan, Thresiamma Joseph, Joseph Paimpillil, Maheswari Nair     THE ESTUARINE FORMATION OF SIX RIVERS (WEST COAST OF INDIA) –TRACE METALS AND NUTRIENTS.
16:40 Sandro Wolf, Roger Dumke, Ute Schröter-Bobsin, Daniela Pusch, Isolde Röske     EVALUATION OF THE HYGIENIC WATER QUALITY OF A MINING LAKE FLOODED BY FECAL CONTAMINATED RIVER WATER




ThuAmOR8 : Global-Scale impacts of Climatic Change and Global Warming on Lakes 1

Time: 11:00 - 13:00
Location: Hall XI (Adult Education Centre)
Chair: Charles Goldman

11:00 David W. Schindler     THE MYTH OF ABUNDANCE: CLIMATE WARMING AND WESTERN CANADA'S WATER SUPPLY IN THE 21ST CENTURY
11:20 Glen George     LAKES AS INTEGRATORS AND AMPLIFIERS OF THE LOCAL CLIMATE
11:40 Murray MacKay, Jacqueline Binyamin, Wayne Rouse     REGIONAL CLIMATE IMPACTS OF SMALL LAKES: COUPLED ATMOSPHERE-LAKE MODELING RESEARCH IN CANADA
12:00 John Magnuson, Barbara Benson, Taryn Clark, Martyn Futter, Patricia Soranno, Kenton Stewart, Virginia Card     COHERENCE OF ICE-ON-AND-OFF DATES AMONG THE INLAND LAKES OF THE LAURENTIAN GREAT LAKES REGION.
12:20 Thorsten Blenckner, Mikael Malmaeus, Hampus Markensten, Irina Persson     CLIMATIC CHANGE AND THE RISK OF LAKE EUTROPHICATION
12:40 Rita Adrian, Susann Wilhelm     MECHANISMS LINKING CLIMATE AND SEASONAL EVENTS IN PLANKTON COMMUNITIES
13:00 Chantal Vis, Richard Carignan, Christiane Hudon     RESPONSES OF GLOBAL PRODUCTIVITY IN A LARGE FLUVIAL LAKE TO LOW WATER LEVELS




ThuPmOR15 : Global-Scale impacts of Climatic Change and Global Warming on Lakes 2

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

14:30 Ulrich Lemmin     THE INFLUENCE OF CLIMATE CHANGE ON THE LAKE OF GENEVA
14:50 Mitsuru Sakamoto     LONG-TERM CHANGES OF LIMNOLOGICAL VARIABLES IN LAKE BIWA AND LAKE SUWA.
15:10 Lorraine L. Janus, D.C. Pierson, K.A. Alderisio, D.L. Borchert, C.A. Nadareski     WATER SUPPLY ISSUES FOR NEW YORK CITY RELATED TO CLIMATE CHANGE




ThuPmOR16 : Global-Scale impacts of Climatic Change and Global Warming on Lakes 3

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

16:00 David Hamilton, Ian Hawes, Max Gibbs     CLIMATIC SHIFTS AND WATER QUALITY RESPONSE IN NORTH ISLAND LAKES, NEW ZEALAND
16:20 Prvoslav Marjanovic, Dusan Sakulski, Nosimo Macatsha     WATER QUALITY MONITORING AND CLIMATE CHANGE: CURRENT STATUS AND ACTUAL NEEDS IN AFRICA
16:40 Louis Legendre     SUSTAINABLE USE OF WATER RESOURCES: DEVELOPING AND IMPLEMENTING RULES OF ECO-ETHICS AND WATER ETHICS