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Figure 5 | Environmental Systems Research

Figure 5

From: A systematic approach for modelling quantitative lake ecosystem data to facilitate proactive urban lake management

Figure 5

Modelled ecosystem sensitivity to measured total ammonia, taking into account pH and temperature. Line styles as per Figure‚ÄČ4. Note that as pH and temperature increases, the ammonia‚Äďammonium equilibrium shifts to favour the existence of unionized ammonia, which is toxic and therefore triggers the need for remedial action at a lower value of measured total ammonia. The model does consider pH and temperature up to higher values than shown here.

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