Occurrence of macrophyte monocultures in drainage ditches relates to phosphorus in both sediment and water

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Table 3 Pearson correlation matrix for the nutrient fractions (n=50)

		PO₄	Total P	NO₃+ NO₂	Total N	Total P sediment
Total P	Pearson correlation	.641*
Total P	Sig. (2-tailed)	.000
NO ₃ + NO ₂	Pearson correlation	-.067	-.024
NO ₃ + NO ₂	Sig. (2-tailed)	.644	.868
Total N	Pearson correlation	.017	.146	.483*
Total N	Sig. (2-tailed)	.904	.311	.000
Total P sediment	Pearson correlation	.141	.479*	-.023	-.055
Total P sediment	Sig. (2-tailed)	.327	.000	.872	.703
Total N sediment	Pearson correlation	-.010	.270	-.115	.191	.455*
Total N sediment	Sig. (2-tailed)	.946	.058	.425	.184	.001