The ecology of algae The ecology of algae : a symposium held at the Pymatuning Laboratory of Field Biology on June 18 and 19, 1959 ecologyofalgaesy00tryo Year: 1960 ' 7 ' â â â ^â¢â¢.â¢.'.V***'.'.'.*.' I (WINDY) mm NIGHT NIGHT J I iiiii I I NIGHT 1200 1800 2U00 0600 1200 1800 2M00 0600 1200 1800 2400 AUGUST 10 AUGUST II AUGUST 12 EFFECT OF WIND ON DISSOLVED OXYGEN IN A TYPICAL RAW SEWAGE POND Figure 8 64

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