September 14th 2007

(Number 1)

J.R. Carter & F.E. Round - Studies on freshwater Amphora species. V. Amphora montana and some rather similar forms (pp. 1-11);  E. Fourtanier, F. Gasse, O. Bellier, M.G. Bonhomme & I. Robles - Miocene non-marine diatoms from the western Cordillera basins of northern Peru (pp. 13-30);  M. Garcia-Baptista - Observations on the genus Hantzschia Grunow at a sandy beach in Rio Grande do Sul, Brazil (pp. 31-43);  S.I. Genkal - Large-celled undulate species of the genus Stephanodiscus Ehr. in USSR reservoirs: morphology, ecology and distribution (pp. 45-64);  C.E. Gibson, R.D. McCall & A. Dymond - Skeletonema subsalsum in a freshwater Irish lake (pp. 65-71);  M.K. Hein, B.M. Winsborough, J.S. Davis & S. Golubic - Extracellular structures produced by marine species of Mastogloia (pp. 73-88);  B. Hickel & H. Håkansson - Stephanodiscus alpinus in Plubsee, Germany. Ecology, morphology and taxonomy in combination with initial cells (pp. 89-98);  J.H. Lee, T. Gotoh & J. Chung - Cymbella orientalis sp. nov., a freshwater diatom from the Far East (pp. 99-108);  D.G. Mann - Sexual reproduction in a marine member of the Bacillariophyceae (pp. 109-116);  H. Schrader, K. Isrenn, N. Swanberg, M. Paetzel & T. Sæthre - Early Holocene diatom pulse in the Norwegian Sea and its paleoceanographic significance (pp. 117-130);  U. Sorhannus - The sister-group of diatoms: an analysis using a combined data set (pp. 131-143);  B. Stabell - A pre-industrial acidification event shown by diatom analysis of a recently acidified lake in southern Norway (pp. 145-158);  S.W. Starratt - Late Quaternary paleoceanography of the Pervenets Canyon area of the Bering Sea: evidence from the diatom flora (pp. 159-170);  T.A. Villareal - Abundance of the giant diatom Ethmodiscus in the southwest Atlantic Ocean and central Pacific gyre (pp. 171-177); J.-R. Yang & M. Dickman - Diatoms as indicators of lake trophic status in central Ontario, Canada (pp. 179-193);  S.J.M. Droop - The ”Striatometer” - a new device for measuring striation densities (pp. 195 - 198);  G. Novarino - Presence of minerals in the mucilage stalk of the diatom Achnanthes longipes (pp. 199-202);  F.E. Round - A new species of Protokeelia (pp. 203-207);  F.E. Round - The identity of Synedra closterioides Grun. and its transference to a new genus Psammosynedra (pp. 209-213);  A. Witkowski - Fallacia florinae (Moeller) comb. nov., a marine, epipsammic diatom (pp. 215-219). Obituary - Aline Ehrlich 1928-1991 (pp. 221-225). 

(Number 2)

N. Foged - Some diatoms from Siberia, especially from Lake Baikal (pp. 231-279);  C. Groth-Nard & J.-M. Robert - Les lipids des diatomées (pp. 281-308);  H. Håkansson - Morphological and taxonomic problems in four Cyclotella species (Bacillariophyceae) (pp. 309-316);  H. Håkansson & A.E. Bailey-Watts - A contribution to the taxonomy of Stephanodiscus hantzschii Grunow, a common freshwater planktonic diatom (pp. 317-332);  H. Håkansson, S. Hajdu, P. Snoeijs & L. Loginova - Cyclotella hakanssoniae Wendker (Bacillariophyceae), and its relationship to C. caspia Grunow and other similar brackish water Cyclotella species (pp. 333-347);  S. Håkansson - Numerical methods for the inference of pH variations in mesotrophic and eutrophic lakes in Southern Sweden - a progress report (pp. 349-370);  S.I. Hay, T.C. Maitland & D.M. Paterson - The speed of diatom migration through natural and artificial substrata (pp. 371-384);  V. Houk - Some morphotypes in the Orthosira roeseana complex (pp. 385-402);  D.H. Jewson, M. Khondker, M.H. Rahman & S. Lowry  - Auxosporulation of the freshwater diatom Aulacoseira herzogii in Lake Banani, Bangladesh (pp. 403-418);  J.L. Moreno-Ruiz, P.J. Soto, M.E. Zamudio, D.U. Hernandez-Becerril & D.S. Licea - Morphology and taxonomy of Chaetoceros diversus (Bacillariophyceae) based on material from the southern Gulf of Mexico (pp. 419-428);  R. Ross - Nomenclature for diatomists (pp. 429-438);  S.E. Sala, J.M. Guerrero & M.E. Ferrario - Redefinition of Reimeria sinuata (Gregory) Kociolek & Stoermer and recognition of Reimeria uniseriata nov. spec. (pp. 439-446);  F.A.S. Sterrenburg - Studies on the genera Gyrosigma and Pleurosigma (Bacillariophyceae). The identity of Pleurosigma obscurum W. Smith (pp. 447-456);  F.A.S. Sterrenburg - Studies on the genera Gyrosigma and Pleurosigma (Bacillariophyceae). Rules controlling raphe fissure morphogenesis in Gyrosigma (pp. 457-463);  S.R. Stidolph - Hantzschia doigiana, a new taxon of brackish-marine diatom from New Zealand coastal waters (pp. 465-474);  H.J. Kling - Asterionella formosa Ralfs: the process of rapid size reduction and its possible ecological significance (pp. 475-479);  S.R. Stidolph - Hamatusia nom. nov., a new generic name for the diatom Amphiprora reediana Stidolph (pp. 481-482).�

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