XXIX Congress Lahti Finland
8-14 August 2004
Edited for the Association by: J. Jones.
2005. VIII , 559 pages, num. figures , 25x17cm, 1190 g
Language: English
(Verhandlungen IVL, Volume 29 Part 1)
ISBN 978-3-510-54065-5, paperback, price: 146.00 €
BibTeX file
in stock and ready to ship
This is the first of the three to four parts of the proceedings of the
29th Congress of SIL, held in Lahti, Finland, August 8-14, 2004.
The congress, which defines the state of the art in freshwater studies, was attended by 1125 delegates from 73 countries. 937 presentations (60% oral and 40% posters) were made, covering both basic and applied aspects of aquatic ecology in over 150 sessions. About one-quarter of these papers addressed topics dealing with plankton communities, food web interactions and integrated water management. The Baldi Lecture was presented by Dr. W. Junk and the Kilham Lecture by Dr. Dag Hessen. The plenary lectures were presented by Drs. Z. M. Gliwicz, K. Sivonen, H. Paerl, E. Jeppesen, R. Jones, E. Van Donk, and J. Stanford. Eight workshops by SIL Working Groups and others, were held during the Congress.
Some 460 manuscripts were submitted for publication in Volume 29 of the Verhandlungen, the first 105 of which are published in this volume.
LIKENS, G.E.: Providing limnological leadership in tomorrow's world 1
JUNK, W.J.: Flood pulsing and the linkages between terrestrial, aquatic, and
wetland systems 11
HESSEN, D.O.: Aquatic food webs: stoichiometric regulation of flux and fate of
carbon 39
JONES, R.I.: Limnology of humic waters: special theme or universal
framework? 51
VAN DONK, E.: Planktonic interactions: developments and perspectives 61
GLIWICZ, Z.M.: Food web interactions: why are they reluctant to be
manipulated? 73
PAERL, H.W., PIEHLER, M.F., VALDES, L.M., DYBLE, J., MOISANDER, P.H.,
PINCKNEY, J.L. and STEPPE, T.F.: Determining anthropogenic and
climatically-induced change in aquatic ecosystems using microbial indicators:
An integrative approach 89
JEPPESEN, E., SØNDERGAARD, M., JENSEN, J.P., LAURIDSEN, T.L., LIBORIUSSEN, L.,
BJERRING HANSEN, R., LILDAL AMSINCK, S., SANDER JOHANSSON, L. and
LANDKILDEHUS, F.: Response of northern temperate shallow lakes to reduced
nutrient loading, with special emphasis on Danish lakes 115
STANFORD, J.A., LORANG, M.S. and HAUER, F.R.: The shifting habitat mosaic of
river ecosystems 123
JELLISON, R. and SEVON, M.: Conservation and management of four large saline
lakes in the Western Great Basin (USA) 137
DÁVALOS-LIND, L. and LIND, O.: Bacterioplankton grazing by fish and
zooplankton in clay-rich and clay-free water 140
TARDIO, M., SPITALE, D. and CANTONATI, M.: Vertical migration of a
dinoflagellate in a column-shaped enclosure in Lake Tovel (Adamello-Brenta
Natural Park, Italian Alps) 143
MOSS, B.: Rapid shredding of leaves by crabs in a
tropical African stream 147
TAVERNINI, S., BARTOLI, M. and ROSSETTI, G.: Physical and chemical
characteristics of water and sediment of nine mountain astatic ponds (northern
Apennines, Italy) 151
PRIMICERIO, R.: Predator mediated coexistence in zooplankton: the importance
of behavioural mechanisms 158
POEPPERL, R. and MEYER, E.I.: Trophic
interactions and matter fluxes within the macroinvertebrate communities of a
Central European mountain and lowland stream 163
WARREN, L.L., WHARTON, G. and WOTTON, R.S.: The role of faecal pellets in
lowland permeable rivers 167
LUO, W., KRIENITZ, L., PFLUGMACHER, S. and WALZ, N.: Genus and species concept
in Chlorella and Micractinium (Chlorophyta, Chlorellaceae): genotype versus
phenotypical variability under ecosystem conditions 170
BROWN, M.E. and BRANSTRATOR, D.K.: Seasonal dynamics in Bythotrephes
diapausing egg emergence and production, and the role of dormancy in range
expansion 174
GUMIRI, S., ARDIANOR, WULANDARI, L., BUCHAR, T. and IWAKUMA, T.: Seasonal
dynamics of zooplankton communities in interconnected tropical swamp lake
ecosystems 179
PEETERS, E.TH.M.: Ditch maintenance and biodiversity of macrophytes in the
Netherlands 185
KWANDRANS, J. and ELORANTA, P.: Littoral diatoms in lakes with different
degrees of dystrophy 190
HONTI, M., ISTVÁNOVICS, V. and OSZTOICS, A.: Measuring and modeling in situ
dynamic photosynthesis of various phytoplankton groups 194
RÄSÄNEN, J., KAUPPILA, T. and SALONEN, V.-P.: Paleolimnological investigation
of ten potential naturally eutrophic lakes 197
GÍSLASON, G.M.: Origin of freshwater fauna of the North-Atlantic islands:
present distribution in relation to climate and possible migration routes 198
KOWNACKI, A.: Changes in biodiversity in the River Vistula near Cracow in
relation to pollution over 150 years 204
SCHARF, J. and KOSCHEL, R.: Food composition and selectivity of Mysis relicta
(LOVÉN) in Lake Breiter Luzin 208
ECHOLS, K. and JONES, S.B.: Cyanobacterial toxins: a comparison of method
measurements in field collected samples 212
GARCÍA-GARCÍA, C GARCÍA-GARCÍA, M.J., JIMÉNEZ-MELERO, R., GUERRERO, F. and
PARRA, G.: Ecological status of a Mediterranean river (Turón, south of Spain):
practical use of biological indexes 217
KAUPPILA, P., PITKÄNEN, H., KORHOLA, A., PELLIKKA, K., VAALGAMAA, S. and
WECKSTRÖM, K.: Assessing ecological status of an urban estuary in the northern
Baltic Sea and its recovery from pollution 221
KELLER, B., WOLINSKA, J. and SPAAK, P.: Daphnia hybrids do not invest in
diapause 226
ZADEREEV, Y.S.: Effect of chemical interactions on the diapause induction in
zooplankton 227
MORABITO, G., OGGIONI, A. and CARAVATI, E.: Decadal trends of pelagic algal
biomass capacities in Lago Maggiore (N. Italy) 231
BÉRES, V., BÁCSI, I., GRIGORSZKY, I., SCHNITCHEN, C. and BORBÉLY, G.: Factors
controlling the encystment of a dinoflagellata species (Peridinium cinctum,
Stein) 235
THORPE, A.P. and JONES, J.R.: Bacterial abundance in Missouri (USA) reservoirs
in relation to trophic state and global patterns 239
MORGAN, E.L., GEORGE, D.B., OSOSANYA, E.T. and KUKREJA, A.U.: Using bivalve
mollusks as sensors in an early warning, automated biosensing system for water
resource protection . 246
KANKAALA, P., HUOTARI, J., PELTOMAA, E., OJALA, A. and ARVOLA, L.:
Methanotrophic activity in relation to primary and bacterial production in a
boreal humic lake 250
KAIBLINGER, C., TEUBNER, K. and DOKULIL, M.T.: Comparative assessment of
phytoplankton photosynthesis using conventional 14C-determination and Fast
Repetition Rate Fluorometry in freshwaters 254
WEYHENMEYER, G.A., MEILI, M. and LIVINGSTONE, D.M.: Systematic differences in
the trend towards earlier ice-out on Swedish lakes along a latitudinal
temperature gradient 257
SØNDERGAARD, M.: Dissolved organic carbon (DOC) and its bioavailability in
Lake Esrum, Denmark 261
NÕGES, P., VAN DE BUND, W., CARDOSO, A.C. and HEISKANEN, A.-S.: Setting
ecological quality class boundaries for the Water Framework Directive: the
lake intercalibration network 265
KILHAM, S.S. and INTERLANDI, S.J.: Nutrient bioassays on diatoms from the
large lakes of the Greater Yellowstone Ecosystem 268
SANTOS-MAGALHÃES, I., LÜRLING, M. and ROIJACKERS, R.: Vertical distribution of
Daphnia in Lake Berendonck (The Netherlands) during progressive hypolimnion
oxygen depletion 273
LOWE, W.H., NISLOW, K.H. and LIKENS, G.E.: Forest structure and stream
salamander diets: Implications for terrestrial-aquatic connectivity 279
ERHARD, D. and GROSS, E.M.: Do environmental factors influence composition of
potential allelochemicals in the submersed freshwater macrophyte Elodea
nuttallii (Hydrocharitaceae)? 287
HERSHEY, A.E., FORTINO, K., BEATY, S., KELLY, S., KEYSE, M., LUECKE, C. and
O'BRIEN, W.J.: 13C signatures of chironomids in arctic lakes: Role and
direction of benthic-pelagic coupling 292
FREE, G., BOWMAN, J., CARONI, R., DONNELLY, K., LITTLE, R., MCGARRIGLE, M.L.,
TIERNEY, D., KENNEDY, N., ALLOTT, N. and IRVINE, K.: The identification of
lake types using macrophyte community composition in Ireland 296
LIVINGSTONE, D.M., JANKOWSKI, T. and LOTTER, A.F.: Patterns of deviation from
linearity in the relationship between lake surface water temperature and
altitude above sea level in the Swiss Alps 300
GERHARDT, V., BODEMER, U. and ECKERT, W.: Determination of phytoplankton
colour classes: Online excitation spectroscopy of the delayed fluorescence
(DF) of algae 306
RINKE, K., VIJVERBERG, J., PETZOLDT, T. and BENNDORF, J.: Individual and
population level dynamics of Daphnia at varying conditions of food,
temperature and fish predation: a model approach 310
TIMOSHKIN, O.A., COULTER, G., WADA, E., SUTURIN, A.N., YUMA, M., BONDARENKO,
N.A., MELNIK, N.G., KRAVTSOVA, L.S., OBOLKINA, L.A. and KARABANOV, E.B.: Is
the concept of a universal monitoring system realistic? Landscape-ecological
investigations on Lake Baikal (East Siberia) as a possible model 315
REJAS, D., MUYLAERT, K. and DE MEESTER, L.: Limitation of bacterial growth by
inorganic nutrients in an Amazonian floodplain lake 321
ELBERSEN-VAN DER STRATEN, J.W.H., COOPS, H. and VAN GEEST, G.J.: Reference
condition and maximum ecological potential of macrophyte-rich floodplain lakes
along the Lower Rhine 323
MIHUC, T.B., BOYER, G.L., SATCHWELL, M.F., PELLAM, M., JONES, J., VASILE, J.,
BOUCHARD, A. and BONHAM, R.: 2002 phytoplankton community composition and
cyanobacterial toxins in Lake Champlain, U.S.A 328
SANDIN, L.: Testing the EC Water Framework Directive "one-out, all-out" rule
simulating different levels of assessment errors along a pollution gradient in
Swedish streams 334
PAJUNEN, H.: Lake sediments as a sink of organic carbon long-term
accumulation data from Finland 337
WOLINSKA, J., KELLER, B. and SPAAK, P.: Parasite host preference in hybrid
Daphnia populations 340
MARTY, J. and PLANAS, D.: Source of carbon for zooplankton in lakes and
reservoirs from northern Quebec, Canada 342
PREPAS, E.E., BURKE, J.M. and WHITSON, I.R.: Hypothesis development for
modelling watershed disturbance in the Canadian Boreal Forest 345
KASPERSSON, R., STENSON, J.A.E. and LAGERGREN, R.: Ceriodaphnia
ephippia and Bosmina remains as paleolimnological indicators of fish
community alterations 346
KAGAMI, M., IBELINGS, B.W., DE BRUIN, A. and VAN DONK, E.: Vulnerability of
Asterionella formosa to Daphnia grazing: impact of a fungal parasite 350
TAKAHASHI, H. and HANAZATO, T.: Predation may alter vulnerability of Daphnia
populations to insecticides by suppressing the development of peak densities
355
PATOINE, A., GRAHAM, M., LEAVITT, P.R. and HESSLEIN, R.: Landscape-scale
patterns of nitrogen fixation by cyanobacteria 359
SUKENIK, A., YACOBI, Y.Z., WYNNE, D. and PARPAROVA, R.: Physiological
variability within a Peridinium gatunense (Dinoflagellate) population during
its patchy bloom in Lake Kinneret 365
BOEHRER, B., SCHULTZE, M., OCKENFELD, K. and GELLER, W.: Path of the 2002
Mulde flood through Lake Goitsche, Germany 369
CHITAMWEBWA, D.B.R. and KIMIREI, I.A.: Present fish catch trends at Kigoma,
Tanzania 373
PETTERSSON, K., HYENSTRAND, P., GERHARDT, V. and BODEMER, U.: Early spring
development of phytoplankton in Lake Erken, Sweden, as monitored by delayed
fluorescence 377
SPRINGE, G.: Implementation of The EU Water Framework Directive in Latvia 382
RUUHIJÄRVI, J., MALINEN, T., ALA-OPAS, P. and TUOMAALA, A.: Fish stocks of
Lake Vesijärvi: from nuisance to flourishing fishery in 15 years 384
SALMASO, N., CARRER, G.M. and CORDELLA, P.: Comparative analysis of
phytoplankton diversity in two connected eutrophic lakes (Laghi di Revine,
north-eastern Italy) 390
CHEN, Y., HU, Y. and DOKULIL, M. T.: Phytoplankton photosynthesis and plankton
community respiration in large shallow Lake Taihu, China 395
NIINIOJA, R., HOLOPAINEN, A.-L., LEPISTÖ, L., KUKKONEN, M., RÄMÖ, A. and
MONONEN, P.: An overview of the state of two large lakes in North Karelia,
Finland 399
MCCARTHY, V., DONOHUE, I. and IRVINE, K.: Mechanisms influencing zooplankton
community structure in a shallow marl lake 403
SILVA, W.M. and MATSUMURA-TUNDISI, T.: DNA extraction and ITS2 (internal
transcribed spacer 2) gene sequences of some Brazilian freshwater copepods 409
WANG, C., SHIRASAWA, K., LEPPÄRANTA, M., ISHIKAWA, M., HUTTUNEN, O. and
TAKATSUKA, T.: Solar radiation and ice heat budget during winter 20022003 in
Lake Pääjärvi, Finland 414
RIVERA-R., C., SOLANO-M., D., ZAPATA-A., A. and DONATO-R., J.: Phytoplankton
diversity in a tropical high mountain lake 418
CHOVANEC, A. and WARINGER, J.: Dragonflies (Insecta: Odonata) as indicators of
the ecological health of wetland ecosystems . 422
NALEPA, T.F., FANSLOW, D.L. and FOLEY III, A.J.: Spatial patterns in
population trends of the amphipod Diporeia spp. and Dreissena mussels in Lake
Michigan 426
SANDLUND, O.T., STANG, Y.G., KJELLBERG, G., NÆSJE, T.F. and HAMBO, M.U.:
European smelt (Osmerus eperlanus) eats all; eaten by all: Is it a key species
in lakes? 432
SANDS, N.J. and MATHISEN, O.A.: Ecosystem modeling of species interactions
affecting sockeye salmon production in Iliamna Lake, Bristol Bay, Alaska .
437
KETO, J., TALLBERG, P., MALIN, I., VÄÄRÄNEN, P. and VAKKILAINEN, K.: The
horizon of hope for L. Vesijärvi, southern Finland: 30 years of water quality
and phytoplankton studies 448
BRADLEY, C.M., MCGUINNESS, C., BAARS, J.-R., TIERNEY, D., TRODD, W. and
KELLY-QUINN, M.: Species level indicators of reference conditions in Irish
rivers 453
ALLIKSAAR, T., HEINSALU, A., SAARSE, L., SALUJÕE, J. and VESKI, S.: A 700-year
decadal scale record of lake response to catchment land use from annually
laminated lake sediments in southern Estonia 457
TIERNEY, D., BOWMAN, J., CARONI, R., DONNELLY, K., FREE, G., LITTLE, R.,
MCGARRIGLE, M., KENNEDY, N., KELLY-QUINN, M. and IRVINE, K.: The profundal
communities of candidate reference lakes in Ireland 461
LEEBEN, A., HEINSALU, A., ALLIKSAAR, T. and SAARSE, L.: A high-resolution
spectroscopic study of pore-water dissolved organic matter in annually
laminated lake sediments: a new tool for reconstructing eutrophication history
465
CORRADINI, F., TOLOTTI, M., CALLIARI, D. and FIAMINGO, F.: Influence of
environmental factors on diatoms and dinoflagellates in Lake Tovel (Trentino,
Italy) 469
LEPISTÖ, L., LAHTI, K., RAPALA, J., VILLA, L. and SAMMALKORPI, I.: Effects of
fish removal on cyanobacteria and their toxicity in Lake Tuusulanjärvi,
Southern Finland 473
D'ANDREA, M., DAUGBJERG, N. and FLAIM, G.: Investigation of the dinoflagellate
community of Lake Tovel by genetic analysis of environmental samples 478
LATHROP, R.C., ASTFALK, T.J., PANDUSKA, J.C. and MARSHALL, D.W.: Restoration
of a Wisconsin (USA) seepage lake by hypolimnetic withdrawal 482
VAKKILAINEN, K. and KAIRESALO, T.: Zooplankton community responses to fish
stock management of Lake Vesijärvi, southern Finland: changes in cladoceran
body size in 19992003 488
CHOMÉRAT, N., FAYOLLE, S. and CAZAUBON, A.: Phytoplankton dynamics in a
hypertrophic brackish lake in the South of France 491
CAMPBELL, I.C., BARLOW, C.G. and HIEN, P.G.: Managing the ecological health of
the Mekong River: evaluating threats and formulating responses 497
TARVAINEN, A., HELLSTEN, S., AHONEN, H., EXLER, N., JANAUER, G., DIOUF, S.,
NDAO, I., SARR, K. and PIETERSE, A.H.: Effect of river flow changes on
habitats of aquatic vegetation in the Senegal River, West Africa 501
PALOMÄKI, A. and MERILÄINEN, J.J.: Internal nutrient load in a recovering
urban lake: a laboratory microcosm study 506
ISTVÁNOVICS, V., OSZTOICS, A. and HONTI, M.: Long-term variability of external
and internal load of P during the summer in Basin 1 of Lake Balaton 509
HOLLAND, M.M., BURK, C.J., MCLAIN, D., HOLLAND, H.R.P. and PRACH, R.W.:
Relative effectiveness of management strategies in a Connecticut River oxbow:
a 35-year comparison of marsh vegetation dynamics 512
SCHIEWER, U., RIELING, T., FEUERPFEIL, P., ESTRUM-YOUSEF, S., DEHMLOW, J.,
PAPENFUß, T., SCHOOR, A. and SCHUBERT, H.: Coastal zones of the southern
Baltic Sea Sinks or sources of organic carbon for the Arkona Basin? 517
MAGNUSON, J.J., BENSON, B.J., JENSEN, O.P., CLARK, T.B., CARD, V., FUTTER,
M.N., SORANNO, P.A. and STEWART, K.M.: Persistence of coherence of ice-off
dates for inland lakes across the Laurentian Great Lakes region 521
TALLBERG, P. and LEHTORANTA, J.: Changes in phosphorus and silicon fluxes and
pools at the sediment surface following an experimental spring bloom
deposition 528
TULONEN, T., ARVOLA, L., PIHLSTRÖM, M. and RASK, M.: Chemical and biological
response in small humic lakes after catchment treatment with wood ash 531
KAMENIK, C., KOINIG, K.A. and SCHMIDT, R.: Potential effects of pre-industrial
lead pollution on algal assemblages from an Alpine lake 535
ANGELI, N. and CANTONATI, M.: Depth-distribution of surface sediment diatoms
in Lake Tovel, Italy . 539
RASK, M., RUUHIJÄRVI, J., OLIN, M., LEHTOVAARA, A., VESALA, S. and
SAMMALKORPI, I.: Responses of zooplankton and fish to restoration in eutrophic
Lake Tuusulanjärvi in southern Finland 545
YOSHIZAWA, K., ARIIZUMI, K., YOSHIDA, N., KAZAMA, F. and HIRABAYASHI, K.:
Longterm dynamics of phytoplankton from a small shallow lake in central Japan
550
THACKERAY, S.J., ELLIOTT, J.A., FIELDING, R.F. and SWINBURNE, K.: Effects of
onset of thermal stratification on vertical distribution of phytoplankton and
zooplankton species 555
JUNK, W.J.: Flood pulsing and the linkages between terrestrial, aquatic, and
wetland systems 11
HESSEN, D.O.: Aquatic food webs: stoichiometric regulation of flux and fate of
carbon 39
JONES, R.I.: Limnology of humic waters: special theme or universal
framework? 51
VAN DONK, E.: Planktonic interactions: developments and perspectives 61
GLIWICZ, Z.M.: Food web interactions: why are they reluctant to be
manipulated? 73
PAERL, H.W., PIEHLER, M.F., VALDES, L.M., DYBLE, J., MOISANDER, P.H.,
PINCKNEY, J.L. and STEPPE, T.F.: Determining anthropogenic and
climatically-induced change in aquatic ecosystems using microbial indicators:
An integrative approach 89
JEPPESEN, E., SØNDERGAARD, M., JENSEN, J.P., LAURIDSEN, T.L., LIBORIUSSEN, L.,
BJERRING HANSEN, R., LILDAL AMSINCK, S., SANDER JOHANSSON, L. and
LANDKILDEHUS, F.: Response of northern temperate shallow lakes to reduced
nutrient loading, with special emphasis on Danish lakes 115
STANFORD, J.A., LORANG, M.S. and HAUER, F.R.: The shifting habitat mosaic of
river ecosystems 123
JELLISON, R. and SEVON, M.: Conservation and management of four large saline
lakes in the Western Great Basin (USA) 137
DÁVALOS-LIND, L. and LIND, O.: Bacterioplankton grazing by fish and
zooplankton in clay-rich and clay-free water 140
TARDIO, M., SPITALE, D. and CANTONATI, M.: Vertical migration of a
dinoflagellate in a column-shaped enclosure in Lake Tovel (Adamello-Brenta
Natural Park, Italian Alps) 143
MOSS, B.: Rapid shredding of leaves by crabs in a
tropical African stream 147
TAVERNINI, S., BARTOLI, M. and ROSSETTI, G.: Physical and chemical
characteristics of water and sediment of nine mountain astatic ponds (northern
Apennines, Italy) 151
PRIMICERIO, R.: Predator mediated coexistence in zooplankton: the importance
of behavioural mechanisms 158
POEPPERL, R. and MEYER, E.I.: Trophic
interactions and matter fluxes within the macroinvertebrate communities of a
Central European mountain and lowland stream 163
WARREN, L.L., WHARTON, G. and WOTTON, R.S.: The role of faecal pellets in
lowland permeable rivers 167
LUO, W., KRIENITZ, L., PFLUGMACHER, S. and WALZ, N.: Genus and species concept
in Chlorella and Micractinium (Chlorophyta, Chlorellaceae): genotype versus
phenotypical variability under ecosystem conditions 170
BROWN, M.E. and BRANSTRATOR, D.K.: Seasonal dynamics in Bythotrephes
diapausing egg emergence and production, and the role of dormancy in range
expansion 174
GUMIRI, S., ARDIANOR, WULANDARI, L., BUCHAR, T. and IWAKUMA, T.: Seasonal
dynamics of zooplankton communities in interconnected tropical swamp lake
ecosystems 179
PEETERS, E.TH.M.: Ditch maintenance and biodiversity of macrophytes in the
Netherlands 185
KWANDRANS, J. and ELORANTA, P.: Littoral diatoms in lakes with different
degrees of dystrophy 190
HONTI, M., ISTVÁNOVICS, V. and OSZTOICS, A.: Measuring and modeling in situ
dynamic photosynthesis of various phytoplankton groups 194
RÄSÄNEN, J., KAUPPILA, T. and SALONEN, V.-P.: Paleolimnological investigation
of ten potential naturally eutrophic lakes 197
GÍSLASON, G.M.: Origin of freshwater fauna of the North-Atlantic islands:
present distribution in relation to climate and possible migration routes 198
KOWNACKI, A.: Changes in biodiversity in the River Vistula near Cracow in
relation to pollution over 150 years 204
SCHARF, J. and KOSCHEL, R.: Food composition and selectivity of Mysis relicta
(LOVÉN) in Lake Breiter Luzin 208
ECHOLS, K. and JONES, S.B.: Cyanobacterial toxins: a comparison of method
measurements in field collected samples 212
GARCÍA-GARCÍA, C GARCÍA-GARCÍA, M.J., JIMÉNEZ-MELERO, R., GUERRERO, F. and
PARRA, G.: Ecological status of a Mediterranean river (Turón, south of Spain):
practical use of biological indexes 217
KAUPPILA, P., PITKÄNEN, H., KORHOLA, A., PELLIKKA, K., VAALGAMAA, S. and
WECKSTRÖM, K.: Assessing ecological status of an urban estuary in the northern
Baltic Sea and its recovery from pollution 221
KELLER, B., WOLINSKA, J. and SPAAK, P.: Daphnia hybrids do not invest in
diapause 226
ZADEREEV, Y.S.: Effect of chemical interactions on the diapause induction in
zooplankton 227
MORABITO, G., OGGIONI, A. and CARAVATI, E.: Decadal trends of pelagic algal
biomass capacities in Lago Maggiore (N. Italy) 231
BÉRES, V., BÁCSI, I., GRIGORSZKY, I., SCHNITCHEN, C. and BORBÉLY, G.: Factors
controlling the encystment of a dinoflagellata species (Peridinium cinctum,
Stein) 235
THORPE, A.P. and JONES, J.R.: Bacterial abundance in Missouri (USA) reservoirs
in relation to trophic state and global patterns 239
MORGAN, E.L., GEORGE, D.B., OSOSANYA, E.T. and KUKREJA, A.U.: Using bivalve
mollusks as sensors in an early warning, automated biosensing system for water
resource protection . 246
KANKAALA, P., HUOTARI, J., PELTOMAA, E., OJALA, A. and ARVOLA, L.:
Methanotrophic activity in relation to primary and bacterial production in a
boreal humic lake 250
KAIBLINGER, C., TEUBNER, K. and DOKULIL, M.T.: Comparative assessment of
phytoplankton photosynthesis using conventional 14C-determination and Fast
Repetition Rate Fluorometry in freshwaters 254
WEYHENMEYER, G.A., MEILI, M. and LIVINGSTONE, D.M.: Systematic differences in
the trend towards earlier ice-out on Swedish lakes along a latitudinal
temperature gradient 257
SØNDERGAARD, M.: Dissolved organic carbon (DOC) and its bioavailability in
Lake Esrum, Denmark 261
NÕGES, P., VAN DE BUND, W., CARDOSO, A.C. and HEISKANEN, A.-S.: Setting
ecological quality class boundaries for the Water Framework Directive: the
lake intercalibration network 265
KILHAM, S.S. and INTERLANDI, S.J.: Nutrient bioassays on diatoms from the
large lakes of the Greater Yellowstone Ecosystem 268
SANTOS-MAGALHÃES, I., LÜRLING, M. and ROIJACKERS, R.: Vertical distribution of
Daphnia in Lake Berendonck (The Netherlands) during progressive hypolimnion
oxygen depletion 273
LOWE, W.H., NISLOW, K.H. and LIKENS, G.E.: Forest structure and stream
salamander diets: Implications for terrestrial-aquatic connectivity 279
ERHARD, D. and GROSS, E.M.: Do environmental factors influence composition of
potential allelochemicals in the submersed freshwater macrophyte Elodea
nuttallii (Hydrocharitaceae)? 287
HERSHEY, A.E., FORTINO, K., BEATY, S., KELLY, S., KEYSE, M., LUECKE, C. and
O'BRIEN, W.J.: 13C signatures of chironomids in arctic lakes: Role and
direction of benthic-pelagic coupling 292
FREE, G., BOWMAN, J., CARONI, R., DONNELLY, K., LITTLE, R., MCGARRIGLE, M.L.,
TIERNEY, D., KENNEDY, N., ALLOTT, N. and IRVINE, K.: The identification of
lake types using macrophyte community composition in Ireland 296
LIVINGSTONE, D.M., JANKOWSKI, T. and LOTTER, A.F.: Patterns of deviation from
linearity in the relationship between lake surface water temperature and
altitude above sea level in the Swiss Alps 300
GERHARDT, V., BODEMER, U. and ECKERT, W.: Determination of phytoplankton
colour classes: Online excitation spectroscopy of the delayed fluorescence
(DF) of algae 306
RINKE, K., VIJVERBERG, J., PETZOLDT, T. and BENNDORF, J.: Individual and
population level dynamics of Daphnia at varying conditions of food,
temperature and fish predation: a model approach 310
TIMOSHKIN, O.A., COULTER, G., WADA, E., SUTURIN, A.N., YUMA, M., BONDARENKO,
N.A., MELNIK, N.G., KRAVTSOVA, L.S., OBOLKINA, L.A. and KARABANOV, E.B.: Is
the concept of a universal monitoring system realistic? Landscape-ecological
investigations on Lake Baikal (East Siberia) as a possible model 315
REJAS, D., MUYLAERT, K. and DE MEESTER, L.: Limitation of bacterial growth by
inorganic nutrients in an Amazonian floodplain lake 321
ELBERSEN-VAN DER STRATEN, J.W.H., COOPS, H. and VAN GEEST, G.J.: Reference
condition and maximum ecological potential of macrophyte-rich floodplain lakes
along the Lower Rhine 323
MIHUC, T.B., BOYER, G.L., SATCHWELL, M.F., PELLAM, M., JONES, J., VASILE, J.,
BOUCHARD, A. and BONHAM, R.: 2002 phytoplankton community composition and
cyanobacterial toxins in Lake Champlain, U.S.A 328
SANDIN, L.: Testing the EC Water Framework Directive "one-out, all-out" rule
simulating different levels of assessment errors along a pollution gradient in
Swedish streams 334
PAJUNEN, H.: Lake sediments as a sink of organic carbon long-term
accumulation data from Finland 337
WOLINSKA, J., KELLER, B. and SPAAK, P.: Parasite host preference in hybrid
Daphnia populations 340
MARTY, J. and PLANAS, D.: Source of carbon for zooplankton in lakes and
reservoirs from northern Quebec, Canada 342
PREPAS, E.E., BURKE, J.M. and WHITSON, I.R.: Hypothesis development for
modelling watershed disturbance in the Canadian Boreal Forest 345
KASPERSSON, R., STENSON, J.A.E. and LAGERGREN, R.: Ceriodaphnia
ephippia and Bosmina remains as paleolimnological indicators of fish
community alterations 346
KAGAMI, M., IBELINGS, B.W., DE BRUIN, A. and VAN DONK, E.: Vulnerability of
Asterionella formosa to Daphnia grazing: impact of a fungal parasite 350
TAKAHASHI, H. and HANAZATO, T.: Predation may alter vulnerability of Daphnia
populations to insecticides by suppressing the development of peak densities
355
PATOINE, A., GRAHAM, M., LEAVITT, P.R. and HESSLEIN, R.: Landscape-scale
patterns of nitrogen fixation by cyanobacteria 359
SUKENIK, A., YACOBI, Y.Z., WYNNE, D. and PARPAROVA, R.: Physiological
variability within a Peridinium gatunense (Dinoflagellate) population during
its patchy bloom in Lake Kinneret 365
BOEHRER, B., SCHULTZE, M., OCKENFELD, K. and GELLER, W.: Path of the 2002
Mulde flood through Lake Goitsche, Germany 369
CHITAMWEBWA, D.B.R. and KIMIREI, I.A.: Present fish catch trends at Kigoma,
Tanzania 373
PETTERSSON, K., HYENSTRAND, P., GERHARDT, V. and BODEMER, U.: Early spring
development of phytoplankton in Lake Erken, Sweden, as monitored by delayed
fluorescence 377
SPRINGE, G.: Implementation of The EU Water Framework Directive in Latvia 382
RUUHIJÄRVI, J., MALINEN, T., ALA-OPAS, P. and TUOMAALA, A.: Fish stocks of
Lake Vesijärvi: from nuisance to flourishing fishery in 15 years 384
SALMASO, N., CARRER, G.M. and CORDELLA, P.: Comparative analysis of
phytoplankton diversity in two connected eutrophic lakes (Laghi di Revine,
north-eastern Italy) 390
CHEN, Y., HU, Y. and DOKULIL, M. T.: Phytoplankton photosynthesis and plankton
community respiration in large shallow Lake Taihu, China 395
NIINIOJA, R., HOLOPAINEN, A.-L., LEPISTÖ, L., KUKKONEN, M., RÄMÖ, A. and
MONONEN, P.: An overview of the state of two large lakes in North Karelia,
Finland 399
MCCARTHY, V., DONOHUE, I. and IRVINE, K.: Mechanisms influencing zooplankton
community structure in a shallow marl lake 403
SILVA, W.M. and MATSUMURA-TUNDISI, T.: DNA extraction and ITS2 (internal
transcribed spacer 2) gene sequences of some Brazilian freshwater copepods 409
WANG, C., SHIRASAWA, K., LEPPÄRANTA, M., ISHIKAWA, M., HUTTUNEN, O. and
TAKATSUKA, T.: Solar radiation and ice heat budget during winter 20022003 in
Lake Pääjärvi, Finland 414
RIVERA-R., C., SOLANO-M., D., ZAPATA-A., A. and DONATO-R., J.: Phytoplankton
diversity in a tropical high mountain lake 418
CHOVANEC, A. and WARINGER, J.: Dragonflies (Insecta: Odonata) as indicators of
the ecological health of wetland ecosystems . 422
NALEPA, T.F., FANSLOW, D.L. and FOLEY III, A.J.: Spatial patterns in
population trends of the amphipod Diporeia spp. and Dreissena mussels in Lake
Michigan 426
SANDLUND, O.T., STANG, Y.G., KJELLBERG, G., NÆSJE, T.F. and HAMBO, M.U.:
European smelt (Osmerus eperlanus) eats all; eaten by all: Is it a key species
in lakes? 432
SANDS, N.J. and MATHISEN, O.A.: Ecosystem modeling of species interactions
affecting sockeye salmon production in Iliamna Lake, Bristol Bay, Alaska .
437
KETO, J., TALLBERG, P., MALIN, I., VÄÄRÄNEN, P. and VAKKILAINEN, K.: The
horizon of hope for L. Vesijärvi, southern Finland: 30 years of water quality
and phytoplankton studies 448
BRADLEY, C.M., MCGUINNESS, C., BAARS, J.-R., TIERNEY, D., TRODD, W. and
KELLY-QUINN, M.: Species level indicators of reference conditions in Irish
rivers 453
ALLIKSAAR, T., HEINSALU, A., SAARSE, L., SALUJÕE, J. and VESKI, S.: A 700-year
decadal scale record of lake response to catchment land use from annually
laminated lake sediments in southern Estonia 457
TIERNEY, D., BOWMAN, J., CARONI, R., DONNELLY, K., FREE, G., LITTLE, R.,
MCGARRIGLE, M., KENNEDY, N., KELLY-QUINN, M. and IRVINE, K.: The profundal
communities of candidate reference lakes in Ireland 461
LEEBEN, A., HEINSALU, A., ALLIKSAAR, T. and SAARSE, L.: A high-resolution
spectroscopic study of pore-water dissolved organic matter in annually
laminated lake sediments: a new tool for reconstructing eutrophication history
465
CORRADINI, F., TOLOTTI, M., CALLIARI, D. and FIAMINGO, F.: Influence of
environmental factors on diatoms and dinoflagellates in Lake Tovel (Trentino,
Italy) 469
LEPISTÖ, L., LAHTI, K., RAPALA, J., VILLA, L. and SAMMALKORPI, I.: Effects of
fish removal on cyanobacteria and their toxicity in Lake Tuusulanjärvi,
Southern Finland 473
D'ANDREA, M., DAUGBJERG, N. and FLAIM, G.: Investigation of the dinoflagellate
community of Lake Tovel by genetic analysis of environmental samples 478
LATHROP, R.C., ASTFALK, T.J., PANDUSKA, J.C. and MARSHALL, D.W.: Restoration
of a Wisconsin (USA) seepage lake by hypolimnetic withdrawal 482
VAKKILAINEN, K. and KAIRESALO, T.: Zooplankton community responses to fish
stock management of Lake Vesijärvi, southern Finland: changes in cladoceran
body size in 19992003 488
CHOMÉRAT, N., FAYOLLE, S. and CAZAUBON, A.: Phytoplankton dynamics in a
hypertrophic brackish lake in the South of France 491
CAMPBELL, I.C., BARLOW, C.G. and HIEN, P.G.: Managing the ecological health of
the Mekong River: evaluating threats and formulating responses 497
TARVAINEN, A., HELLSTEN, S., AHONEN, H., EXLER, N., JANAUER, G., DIOUF, S.,
NDAO, I., SARR, K. and PIETERSE, A.H.: Effect of river flow changes on
habitats of aquatic vegetation in the Senegal River, West Africa 501
PALOMÄKI, A. and MERILÄINEN, J.J.: Internal nutrient load in a recovering
urban lake: a laboratory microcosm study 506
ISTVÁNOVICS, V., OSZTOICS, A. and HONTI, M.: Long-term variability of external
and internal load of P during the summer in Basin 1 of Lake Balaton 509
HOLLAND, M.M., BURK, C.J., MCLAIN, D., HOLLAND, H.R.P. and PRACH, R.W.:
Relative effectiveness of management strategies in a Connecticut River oxbow:
a 35-year comparison of marsh vegetation dynamics 512
SCHIEWER, U., RIELING, T., FEUERPFEIL, P., ESTRUM-YOUSEF, S., DEHMLOW, J.,
PAPENFUß, T., SCHOOR, A. and SCHUBERT, H.: Coastal zones of the southern
Baltic Sea Sinks or sources of organic carbon for the Arkona Basin? 517
MAGNUSON, J.J., BENSON, B.J., JENSEN, O.P., CLARK, T.B., CARD, V., FUTTER,
M.N., SORANNO, P.A. and STEWART, K.M.: Persistence of coherence of ice-off
dates for inland lakes across the Laurentian Great Lakes region 521
TALLBERG, P. and LEHTORANTA, J.: Changes in phosphorus and silicon fluxes and
pools at the sediment surface following an experimental spring bloom
deposition 528
TULONEN, T., ARVOLA, L., PIHLSTRÖM, M. and RASK, M.: Chemical and biological
response in small humic lakes after catchment treatment with wood ash 531
KAMENIK, C., KOINIG, K.A. and SCHMIDT, R.: Potential effects of pre-industrial
lead pollution on algal assemblages from an Alpine lake 535
ANGELI, N. and CANTONATI, M.: Depth-distribution of surface sediment diatoms
in Lake Tovel, Italy . 539
RASK, M., RUUHIJÄRVI, J., OLIN, M., LEHTOVAARA, A., VESALA, S. and
SAMMALKORPI, I.: Responses of zooplankton and fish to restoration in eutrophic
Lake Tuusulanjärvi in southern Finland 545
YOSHIZAWA, K., ARIIZUMI, K., YOSHIDA, N., KAZAMA, F. and HIRABAYASHI, K.:
Longterm dynamics of phytoplankton from a small shallow lake in central Japan
550
THACKERAY, S.J., ELLIOTT, J.A., FIELDING, R.F. and SWINBURNE, K.: Effects of
onset of thermal stratification on vertical distribution of phytoplankton and
zooplankton species 555