FILATOV, N.N., LITVINENKO, A.V. and LOZOVIK, P.A.: Modern state of
Karelian lakes: investigations, classifications and inventory 2129

OMESOVÁ, M. and HELESIC, J.: How to evaluate the influence of sediment
size structure on the lotic invertebrate community composition? 2131

GERAGHTY, P.A.: Integrated catchment management in action: Victoria's
(Australia) success story 2134

SCHANZ, F. and PASINI, P.: Photoinhibition of specific primary
production with increasing altitude: influence of UV radiation and
phytoplankton characteristics 2137

FERRARI, I., VIGLIOLI, S., VIAROLI, P. and ROSSETTI, G.: The impact of
the summer 2003 drought event on the zooplankton of the Po River
(Italy) 2143

MARRONE, F., CASTELLI, G., BARONE, R. and NASELLI-FLORES, L.: Ecology
and distribution of calanoid copepods in Sicilian inland waters
(Italy) 2150

GRØTERUD, O. and HAALAND, S.: Nitrate and humic colour retention of
fifteen soft water lakes, southern Norway 2157

KAWANISHI, H.: Subsurface water storage characteristics analyzed by
the annual variations of spring water discharge 2161

KOSCHEL, R., CASPER, P., GONSIORCZYK, T., ROSSBERG, R. and WAUER, G.:
Hypolimnetic Al and CaCO3 treatments and aeration for restoration of a
stratified eutrophic hardwater lake in Germany 2165

URBANIC, G. and TOMAN, M.J.: Caddisflies in watercourses of the
northern part of a Dinaric western Balkans ecoregion in relation to
environmental factors 2172

KOWNACKI, A., SOSZKA, H., GOLUB, M. and FLEITUCH, T.: Pollution impact
on benthic macroinvertebrates in different types of Polish rivers 2177

NAGATA, T., CHANG, K.H. and HANAZATO, T.: Impact of invertebrate
predators on rotifer populations in lakes: field observation and
experimental analysis 2181

BUCZKÓ, K.: Changes of attached diatoms in a big branch-system after
the diversion of the Danube River 2187

LITTLE, R., BOWMAN, J.J., MCGARRIGLE, M.L., FREE, G., DONNELLY, K.,
TIERNEY, D., CARONI, R. and IRVINE, K.: Implementation of the Water
Framework Directive: Investigations for establishing a lake typology
using littoral macroinvertebrates in the Republic of Ireland 2192

JOENSUU, I. and PEKKARINEN, M.: Cultural eutrophication, restoration
and management of Lake Tuusulanjärvi, Finland 2197

MAIOLINI, B., LENCIONI, V. and BRITTAIN, J.E.: Invertebrate drift in a
high arctic stream under natural and experimental light conditions:
preliminary results 2201

DURAS, J.: Decreasing phosphorus load to reservoirs - hope for the
future? 2205

ROSSETTI, G., BARTOLI, A., LANDI, S., FERRARI, I. and TAVERNINI, S.:
Evolution of the zooplankton community in a mountain lake in the last
fifty years 2209

BALESTRINI, R., ARESE, C. and DELCONTE, C.: Nitrogen removal in a
freshwater riparian wetland: an example from an Italian lowland spring
2217

HAYAKAWA, K.: Abundance of dissolved neutral sugars in Lake Biwa,
Japan 2221

DIERBERG, F.E., POTTS, J. and KASTOVSKÁ, K.: Alterations in the
suspended algal abundance, distribution and diversity within a
stormwater treatment area in south Florida, USA 2227

WILLÉN, E.: Planktonic algae in limed lakes compared to circumneutral
references 2232

MATSUMURA-TUNDISI, T., TUNDISI, J.G., TUNDISI, M.E.J. and CIMBLERIS,
A.: Carbon content and composition of zooplankton fractions in two
reservoirs of Central Brazil: Serra da Mesa and Manso 2237

SAHUQUILLO, M., MIRACLE, M.R. and RIERADEVALL, M.: Macroinvertebrates
associated with reed stems 2245

BAN, Y., MITA, T. and ISHIKAWA, M.: Patchy emergence of the
mass-emerging mayfly, Ephoron shigae TAKAHASHI (Ephemeroptera:
Polymitarcyidae) in the Yahagi River in central Japan 2247

GÜREVIN, C., TÜFEKÇI, V., TÜFEKÇI, H. and ALBAY, M.: Determination of
water quality parameters of Ömerli Reservoir and effects on diatom
growth 2253

NICOARA, M., URECHE, D., URECHE, C. and NICOARA, A.: Macroinvertebrate
presence in food of fish population from River Buzau (Romania) 2256

PLOTNIKOV, I., ALADIN, N., CRETAUX, J.-F., MICKLIN, P., CHUIKOV, Y.
and SMUROV, A.: Biodiversity and recent exotic invasions of the
Caspian Sea 2259

EVEN, S., FICHT, A., THOUVENIN, B., GARNIER, J., SERVAIS, P. and
LEHIR, P.: Modeling the carbon cycle in the turbidity maximum of the
Seine estuary 2263

KISS, M.K., TÓTH, A., SZABÓ, M. and LAKATOS, G.: Hydrobiological state
of various oxbow lakes in Hungary 2267

ALADIN, N., MICKLIN, P., KEYSER, D., PLOTNIKOV, I., LETOLLE, R.,
SMUROV, A. and CRETAUX, J.-F.: Results of Aral Sea studies 2271

TAMMI, J., RASK, M. and ALA-OPAS, P.: Ecological classification of
Finnish lakes using a multimetric fish index 2276

GABRIELS, W., GOETHALS, P.L.M. and DE PAUW, N.: Development of a
multimetric assessment system based on macroinvertebrates for rivers
in Flanders (Belgium) according to the European Water Framework
Directive 2279

BASIMA, L.B., MBALASSA, M., MUHIGWA, B. and NSHOMBO, M.: Anthropogenic
influences on the littoral zone biota of Lake Kivu, Bukavu Basin, D.
R. Congo 2283

ALA-OPAS, P., HUITU, E. and MÄKELÄ, S.: Fish catch in relation to
zooplankton community structure in lakes of varying trophic status
2289

KAZAMA, F., YOSHIDA, N., YOSHIZAWA, K., ARIIZUMI, K. and HIRABAYASHI,
K.: Longterm change of DOM contents of shallow lake water in central
Japan 2293

RADWAN, S., DEMETRAKI-PALEOLOG, A. and WOJCIECHOWSKA, W.: The
abundance and species structure of planktonic rotifers and
phytoplankton in lakes of different trophic status in Polesie Region
(Eastern Poland) 2297

ERBEN, R., MAGUIRE, I., LAJTNER, J. and KLOBUCAR, G.: Zooplankton in
the dam reservoirs Hazna and Vidara, Bosnia and Herzegovina 2305

LIUKKONEN, M., KETO, J. and KAIRESALO T.: Seasonal succession of
diatoms in Lake Vesijärvi: comparison of sediment record with plankton
counts 2309

CSÉPES, E., MÓRA, A. and WITTNER, I.: Investigations on benthic and
drifting macroinvertebrates in the River Tisza 2313

HAALAND, S., RIISE, G. and STUANES, A.: Impact of precipitation on
quality of dissolved organic carbon in runoff from a headwater area in
Norway 2317

ROTT, E., FÜREDER, L., SCHÜTZ, C., SONNTAG, B. and WILLE, A.: A
conceptual model for niche differentiation of biota within an extreme
stream microhabitat 2321

GER, K.A., DERLET, R.W., CARLSON, J.R. and GOLDMAN, C.R.: Variation in
bacterial biomass in a subalpine recreational lake: evidence for
pelagic photoinhibition 2324

DÉVAI, G., DEVAI, I., DELAUNE, R.D. and NAGY, S.A.: Phosphine
production and its importance in wetland area Kis-Balaton (Hungary)
2330

XIE, T., ZHU, F., WANG, J. and CHEN, G.: Water quality improvements
using aquatic plant cultivation in net cage fish culture 2334

VERBURG, P., HECKY, R.E. and KLING, H.J.: Climate warming decreased
primary productivity in Lake Tanganyika, inferred from accumulation of
dissolved silica and increased transparency. Comment to Sarvala et al.
2006 2335

SARVALA. J., LANGENBERG, V.T., SALONEN, K., CHITAMWEBWA, D., COULTER,
G.W., HUTTULA, T., KOTILAINEN, P., MULIMBWA, N. and MÖLSÄ, H.: Changes
in dissolved silica and transparency are not sufficient evidence for
decreased primary productivity due to climate warming in Lake
Tanganyika. Reply to comment by Verburg, Hecky and Kling 2339

Correction 2343

General Secretary’s Report and Appendices 2345

Ordinary Members 2413

Associate Members 2491

Members arranged by country 2497

Vol. 29 lecturers arranged alphabetically by author 2516