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perifyton-index van de trofiegraad (pit)
periphyton index of trophic status (pit)
Last Update: 2014-11-08
Usage Frequency: 1
Quality:
mtr – ie – inschaling op basis van gemiddelde trofiegraad
mtr – ie - mean trophic ranking
Last Update: 2014-11-08
Usage Frequency: 1
Quality:
