September 14th 2007

(Number 1)

L. Denys & D. Van Straaten - A survey of the acid water diatom assemblages of two heathland relics in the Belgian northern Campine (Groot & Klein Schietveld, Brasschaat) with an assessment of their conservational value (pp. 1-13);  G.M. Hallegraeff - Observations on the mucilaginous diatom Thalassiosira bipartita (Rattray) comb. nov. from the tropical Indo-West Pacific (pp. 15-23);  P.B. Hamilton, M. Poulin, D.F. Charles & M. Angell - Americanarum Diatomarum Exsiccata: CANA, Voucher slides from eight acidic lakes in northeastern North America (pp. 25-36);  G.R. Hasle & C.B. Lange - Morphology and distribution of Coscinodiscus species from the Oslofjord, Norway, and the Skagerrak, North Atlantic (pp. 37-68);  R. Jahn - Navicula geisslerae sp. nov. - a small species from the River Spree (Berlin, Germany) (pp. 69-75);  K. Katoh - Correlation between cell density and dominant growth form of epilithic diatom assemblages (pp. 77-86);  Ye.V. Likhoshway, A.O. Yakushin, A.P. Puzyr & N.A. Bondarenko - Fine structure of the velum and girdle bands in Aulacoseira baicalensis (pp. 87-94);  R.B. McLaughlin - Cyclotella jonesii, a new diatom species from Pliocene deposits at Chiloquin, Oregon, U.S.A. (pp. 95 - 101);  G. Novarino & A.R. Muftah - Observations on the variability of the number of partecta in five species of Mastogloia (pp. 103-108);  F.E. Round & H. Håkansson - Cyclotelloid species from a diatomite in the Harz Mountains, Germany, including Pliocaenicus gen. nov. (pp. 109-125);  P.M. Sanchez-Castillo, M.A. Ubierna León & F.E. Round - Estudio de Chaetoceros wighamii Brightwell: un taxon mal interpretado (pp. 127-136);  F.A.S. Sterrenberg - Studies on the genera Gyrosigma and Pleurosigma (Bacillariophyceae). The type of the genus Gyrosigma and other attenuati sensu Peragallo (pp. 137-155);  A. Wasell & H. Håkansson - Diatom stratigraphy in a lake on Horseshoe Island, Antarctica: a marine-brackish-fresh water transition with comments on the systematics and ecology of the most common diatoms (pp. 157-194);  L. Denys - On the significance of marine diatoms in freshwater deposits at archaeological sites (pp. 195-197);  C.E. Gibson & A.G. Fitzsimons - The effect of an interrupted dark period on the growth rate of some marine and freshwater planktonic diatoms (pp. 199-201);  S. Håkansson - On numerical methods for inference of pH variations in mesotrophic and eutrophic lakes in southern Sweden (pp. 203-206). 

(Number 2)

M.R.M. Kapinga & R. Gordon - Cell attachment in the motile colonial diatom Bacillaria paxillifer (pp. 215-220);  M.R.M. Kapinga & R. Gordon - Cell motility rhythms in Bacillaria paxillifer (pp. 221-225);  T. Kawamura & R. Hirano - Seasonal changes in benthic diatom communities colonizing glass slides in Aburatsubo Bay, Japan (pp. 227-239);  H.J. Kling - Valve development in Stephanodiscus hantzschii Grunow (Bacillariophyceae) and its implications on species identification (pp. 241-257);  J.P. Kociolek - Valve ultrastructure and systematic position of Gomphonema kaznakowi Mereschkowsky (pp. 259-265);  K. Laird & R.K. Edgar - Spatial distribution of diatoms in the surficial sediments of a New England salt marsh (pp. 267-279);  G. Novarino - Some observations on the girdle of Achnanthes longipes (pp. 281-292);  E. Reichardt - Navicula jakovljevich Hust. (Bacillariophyceae). Morphologie und taxonomische Überlegungen (pp. 293-301);  F.E. Round - A re-investigation of some fragilarioid diatoms in the Provasoli/Guillard culture collection (pp. 303-311);  P. Snoeijs - Studies in the Tabularia fasciculata complex (pp. 313-344);  S.R. Stidolph - Observations and remarks on the morphology and taxonomy of the diatom genera Gyrosigma Hassall and Pleurosigma W. Smith. III. Gyrogsigma sterrenburgii sp. nov., and Pleurosigma amara sp. nov. (pp. 345-366);  E.F. Stoermer, N.A. Andresen & C.L. Schelske - Diatom succession in the recent studies of Lake Okeechobee, Florida, U.S.A. (pp. 367-386);  S. Wendker - Influence of current velocity on diatoms of a small softwater stream (pp. 387-396);  T.-P. Chang - On Achnanthes amoena Hustedt (pp. 397-402);  J. John & A. Van Riessen - Mucilage structures of Mastogloia fimbriata and Mastogloia cocconeiformis examined by the environmental scanning electron microscope (ESEM), a new tool for diatom studies (pp. 403-407).

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