Comparision of historical and recent data on hydrochemistry and phytoplankton in the Rijnland area (The Netherlands) S. P. Klapwijk OriginalPaper Pages: 87 - 100
On Pentacoelum hispaniensis, a marine triclad from Spanish freshwater (Platyhelminthes, Tricladida, Maricola) Ronald SluysMarta RiutortJaume Baguñà OriginalPaper Pages: 101 - 106
Siltation of stone-surface periphyton in rivers by clay-sized particles from low concentrations in suspention A. A. Graham OriginalPaper Pages: 107 - 115
The respiration of common benthic invertebrate species from the shallow littoral zone of Lake Esrom, Denmark Kirsten HamburgerPeter C. Dall OriginalPaper Pages: 117 - 130
Temporal shifts in physical habitat of the crayfish, Orconectes neglectus (Faxon) James A. GoreRichard M. Bryant Jr. OriginalPaper Pages: 131 - 142
Cultural eutrophication of West Point Lake — a 10-year study David R. BayneWendy C. SeesockJohn A. McGuire OriginalPaper Pages: 143 - 156
Interspecific variation in temperature dependence of egg development of five congeneric stonefly species (Protonemura Kempny, 1898, Nemouridae, Plecoptera) Michael Marten OriginalPaper Pages: 157 - 172