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An investigation to disprove or support the null hypothesis that there is no correlation between the oxygen content of the water and the number of Stonefly and Mayfly in the water being tested
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An investigation to disprove or support the null hypothesis that there is no correlation between the oxygen content of the water and the number of Stonefly and Mayfly in the water being tested Apparatus Fishing net 500 cm in diameter, tape measure, pen, results sheet, bowl, steel pole, 1 ball of string, stopwatch, 3 tree leaves, oxygen meter, universal indicator paper, thermometer, wellington boots. Method Go to the nearest river to test the amount of Stonefly and Mayfly in different places. The test should be carried out by holding the fishing net a meter downstream from where the kick sampling is being taken place. The kick sampling should be done by the bottom of the stream being kicked to dislodge the rocks on the riverbed, thus causing the insects to flow into the net. The kicking during the kick sampling should last for approximately 30 seconds during each sample, as this is one of...
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