The estimation of secondary production in a natural population of Daphnia hyalina (Leydig) using alternative methods of computation T. E. Andrew OriginalPaper Pages: 3 - 18
Effects of pentachlorophenol (Na PCP) on survival, activity and metabolism in Rhinomugil corsula (Hamilton), Cyprinus carpio (Linnaeus) and Tilapia mossambica (Peters) Mohamed M. PeerJ. NirmalaM. N. Kutty OriginalPaper Pages: 19 - 24
Coal mine drainage effects on a lotic ecosystem in Northwest Colorado, U.S.A. James W. ChadwickSteven P. Canton OriginalPaper Pages: 25 - 33
Individual culture and experimental population dynamics of Keratella cochlearis (Rotatoria) Norbert Walz OriginalPaper Pages: 35 - 45
A method for the laboratory culture of the planktonic rotifer Keratella cochlearis (Gosse) James E. Vancil OriginalPaper Pages: 47 - 50
Carbon dioxide assimilation from air and water by duckweed Spirodela polyrrhiza (L.) Schleid K. SatakeS. Shimura OriginalPaper Pages: 51 - 55
Errors in pH measurement with colorimetric indicators in low alkalinity waters Terry A. HainesJohn J. AkielaszekRonald B. Davis OriginalPaper Pages: 57 - 61
Redescription of Scapholeberis echinulata Sars 1903 (Crustacea, Cladocera) Igor Hudec OriginalPaper Pages: 63 - 69
A new species of Erethistes Müller & Troschel from Thailand and Burma (Osteichthyes: Siluriformes: Sisoridae) Maurice Kottelat OriginalPaper Pages: 71 - 74
La transparence et la charge sestonique de l'Étang de Berre (côte méditerranéenne française) Ki-Tai KimMarc Travers OriginalPaper Pages: 75 - 95