共 50 条
- [32] Ecological studies of the seasonal distribution of protozoa in a fresh-water pond JOURNAL OF MORPHOLOGY AND PHYSIOLOGY, 1928, 46 (02): : 431 - 478
- [34] EFFECT OF MALATHION ON THE PRIMARY PRODUCTION OF PHYTOPLANKTON IN A FRESH-WATER POND COMPARATIVE PHYSIOLOGY AND ECOLOGY, 1981, 6 (01): : 17 - 18
- [35] SEASONAL ABUNDANCE OF ROTIFERS IN A PERENNIAL FRESH-WATER POND IN CALCUTTA JOURNAL OF ENVIRONMENTAL BIOLOGY, 1987, 8 (01): : 63 - 71
- [37] ANAEROBIC DEGRADATION OF DICHLOROPHENOL ISOMERS IN FRESH-WATER POND SEDIMENTS ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1987, 194 : 244 - ENVR
- [38] TEMPERATURES OBSERVED NEAR THE SURFACE OF A FRESH-WATER POND AT NIGHT JOURNAL OF METEOROLOGY, 1947, 4 (03): : 102 - 103
- [39] LEAD LEVELS IN FRESH-WATER MOLLUSK SHELLS JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-ENVIRONMENTAL SCIENCE AND ENGINEERING & TOXIC AND HAZARDOUS SUBSTANCE CONTROL, 1976, 11 (01): : 65 - 78