... exclude anything. Unlike a pen method where if one was to throw it behind them, it only includes the area behind excluding all area in front as well as the area being stood on. The pen doesn't travel far which is useless as the experiment is being carried out on a 30m by 30m area. The transact method isn't so accurate because the places chosen are only on one line at exact distances apart so the rest of the area is automatically excluded. This could result in the same reading of light intensity, humidity and air/water temperature, which won't be correct. Before placing the quadrant all dried leaves and dead twigs must be removed so all living plants will be visible. The light meter must always be put in the same place of the quadrant, like the centre. This increases the accuracy when comparing the results because it is in ...

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