TY - BOOK TI - Aquatic Botany, Vol.42 No.2 (1992) SN - 03043770 PY - 1992///, CY - New York PB - Elsevier KW - Aquatic Botany N1 - Weed invasions countered by biological control: Salvinia molesta and Eichhornia crassipes in Sri Lanka,Effects of fish farming on growth, epiphytes and nutrient content of Focus vesiculosus L. in theÅland archipelago, northern Baltic Sea, Effects of cooling water discharge on the vegetation in the Forsmark Biotest Basin, Sweden,Early withering of lower leaves of Phragmites australis (Cav.) Trin. ex Steud. in a eutrophic stand: role of oxygen concentration, fate of nitrogen and nitrogen uptake by the plants,HCO3− use and evidence for a carbon concentrating process in the mat-forming cyanophyte Lyngbya birgei G.M. Smith,Oogonial development, maturation and release in Sargassum vulgare C. Agardh and S. johnstonii setchell & Gardner,Dominant role of seawater osmotic pressure on germination in Cymodocea nodosa ER -