Table Of Content

Hydrobiologia The International Journal of Aquatic Sciences Volume 534, 1 February 2005 Primary Research Papers Zooplankton distribution in four ponds of different salinity: a seasonal study in the solar salterns of Sfax (Tunisia) N. Toumi, H. Ayadi, O. Abid, J.-F. Carrias, T. Sime-Ngando, M. Boukhris, A. Bouain Physical variables driving epiphytic algal biomass in a dense macrophyte bed of the St. Lawrence River (Quebec, Canada) V. Gosselain, C. Hudon, A. Cattaneo, P. Gagnon, D. Planas, D. Rochefort Growth and antioxidant system of the cyanobacterium Synechococcus elongatus in response to microcystin-RR Z.-q. Hu, Y.-d. Liu, D.-h. Li, A. Dauta Freshwater bryozoans (Bryozoa) of Norway V: review and comparative discussion of the distribution and ecology of the 10 species recorded J. Okland, K.A. Okland Hadodiaptomus dumonti n. gen., n. sp., a new freshwater stygobitic calanoid (Crustacea: Copepoda: Calanoida) from Vietnam (South Asia) and a new member of the subfamily Speodiaptominae Borutzky, 1962 A. Brancelj Filtration rates of the invasive pest bivalve Limnoperna fortunei as a function of size and temperature F. Sylvester, J. Dorado, D. Boltovskoy, A. Juarez, D. Cataldo Long-term fish community dynamics from a blackwater stream receiving kraft mill effluent between 1973 and 1988 D.I. Greenfield, H.L. Bart, Jr. The ecology of sewage treatment gradients in relation to their use by waterbirds A.J. Hamilton, W. Robinson, |.R. Taylor, B.P. Wilson Tolerance of Ceriodaphnia quadrangula and Diaphanosoma brachyurum (Crustacea: Cladocera) to experimental soft water acidification H. Kappes, U. Sinsch 109-115 Depth distribution of photosynthetic pigments and diatoms in the sediments of a microtidal fjord A. Wulff, S. Vilbaste, J. Truu 117-130 Nutrient concentrations in Nyanza Gulf, Lake Victoria, Kenya: light limits algal demand and abundance P. Gikuma-Njuru, R.E. Hecky 131-140 Cross-breeding experiments among different populations of the ‘cosmopolitan’ species Phyllognathopus viguieri (Copepoda: Harpacticoida) T. Glatzel, BD. Konigshoff 141-149 iV Spatial structure in lotic macroinvertebrate communities in England and Wales: relationship with physical, chemical and anthropogenic stress variables J.F. Murphy, J. Davy-Bowker 151-164 Microdynamics and seasonal changes in manganese oxide epiprecipitation in Pinal Creek, Arizona E.I. Robbins, T.L. Corley 165-180 Extensive spatial analysis of the light environment in a subtropical shallow lake, Laguna Ibera, Argentina S.A. Loiselle, L. Bracchini, A. Cozar, A.M. Dattilo, C. Rossi 181-191 Effects of solar ultraviolet radiation on the periphyton community in lotic systems: comparison of attached algae and bacteria during their development Y. Hodoki 193-204 Ecology of Allis Shad Alosa alosa and Twaite Shad Alosa fallax in the Solway Firth, Scotland P.S. Maitland, A.A. Lyle 205-221 Spawning season, ovarian development and fecundity of female Trichomycterus corduvense (Osteichthyes, Siluriformes) F. Marraro, M. de los Angeles Bistoni, M. Carranza 223-230 Xenochironomus ceciliae (Diptera: Chironomidae), a new chironomid species inhabiting freshwater sponges in Brazil F. de Oliveira Roque, S. Trivinho-Strixino 231-238 Short Research Note Macrotrachela quadricornifera featured in a space experiment C. Ricci, M. Caprioli, C. Boschetti, N. Santo 239-244 Salt Ecosystems Section Heterotrophic dinitrogen fixation (acetylene reduction) in phosphate-fertilised Micro- coleus chthonoplastes microbial mat from the hypersaline inland lake ‘la Salada de Chiprana’ (NE Spain) R. de Wit, L.I. Falcon, C. Charpy-Roubaud 245-253