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changes in nematode abundance with sediment depth - see text

The bar chart illustrates changes in nematode abundance with sediment depth (0-5 cm) at three samples from the reference site and three from the 106 site in 1992 (Cruise 126) when sludge was still being dumped.

There is a significant increase in nematode abundance in the top 2 cm of the sediment at the 106 site samples compared to the reference samples, and a decrease in abundance 4-5 cm deep into the sediment.


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