CWE/41/2017 当前世界环境 0973-4929 2320 - 8031 Enviro Research Publishers CWE--5-00 Study of some limnological properties of Harchandpur pond, District Etah (U.P.) India 3 , Department of Zoology, Ganjdundwara College, Ganjdundwara, India. 2007-06-30 10.12944/CWE.2.1.06 Volume 2 Volume 2 35-38 Abstract

The present investigation deals with seasonal variations of physico – chemical parameters and Quantitative analysis of a rural pond during the year 2005 -2006 . Water temperature was maximum (33.7 0C) in May and minimum (15.2 0C) in January; Transparency was max. (35.5 cm) in Jan. and lowest (27.0 cm) in July; Alkalinity & Hardness were high in May – June and D.O. had highest value (8.20 mg/l) in Dec. and lowest(3.32 mg/l) in Aug.; Planktons (No./l) were abundant two times a year (Summer & Winter pulses) and lowest during monsoon season.

关键字 Harchandpur 生物群 Sewage Summer – Winter Pulse