planarian

SOMETHING IN THE WATER

Having a river in your backyard is a lovely idea, not always so pleasant in reality, as fences and dead animals go swirling past in a flood, or when you find out that a city upstream is putting something in the water that shouldn’t be there.

Waterwatch has been a great way to find out what actually is swimming or floating under the river’s surface.¬† ¬†Previously we could only guess, but now I know the phosphate, nitrate and dissolved oxygen levels, turbidity, electrical conductivity and ph.Murrumbidgee view from AdnamiraDuring the first year I was collecting data it rained a lot, the river levels were high and the readings were very clean.¬† Since last year however, the river has been mostly low, and the nitrate levels are generally off the charts high. Continue reading

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