Assessment of the correlation between the nutrient load from migratory bird excrement and water quality by principal component analysis in a freshwater habitat.

The influence of the joint phosphorous contribution of piscivorous and herbivorous water birds may be significant (up to 6.6% of P at the outflow) on the often phosphorous-limited wetland nutrient loads, while the nitrogen contribution dominated by herbivorous geese is limited (up to 0.7% of N at the outflow) in the case of Dumbrăvița.

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