Seasonal Changes in the Water and Heleoplankton of Fresh-water Ponds

Autor:	W. R. G. Atkins, G. T Harris
Rok vydání:	1925
Předmět:	Hydrology Oceanography Fresh water Environmental science Aquatic Science
Zdroj:	Journal of the Marine Biological Association of the United Kingdom. 13:750-754
ISSN:	1469-7769 0025-3154
Popis:	The seasonal changes in the heleoplankton of two fresh-water ponds have been compared with alterations in the solutes, and it has been shown that in each there was a vernal rise in pH followed by a period of stagnation with lowered pH. In the quarry pond of Borough Farm, Antony, this condition persisted till the autumn; in Staddon reservoir it was succeeded by a period of high alkalinity, lasting till October. These changes are associated with the spring increase in plankton, and the development of masses of floating algæ in Staddon reservoir; they may be traced in Figs. 1 and 3.
Databáze:	OpenAIRE
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