In this research, monthly samples of the MP and PP leachates and the SU- and CU-generated wastewaters were used as sensitive indicators of the processes in the MSWP. To enable observation of long-term changes (38 months), physical and chemical analyses were regularly conducted over three years. For the MP, the obtained multivariate data set was also tested by a PCA and supported
by metagenomic analyses of bacterial and archaeal succession as well as the presence of dsrA and mcrA genes, indicators of the MP’s biochemistry.