designed the study, processed and analysed the data, created most of the figures (Figs 1, 4, 5 and all Supplementary Figures except Supplementary Fig. 4), and wrote the paper.
MCG designed the study, processed the data, performed the statistical analyses, and drafted the manuscript.
CW designed the study, processed the data, and wrote the manuscript.
CK designed the study, processed and analyzed the data, and wrote the manuscript.
LM conceived and designed the study, processed the data and wrote the manuscript.
HK designed the study, processed the data, and wrote the manuscript.
TI designed the study, processed the data, and wrote the manuscript.
RT conceived and designed the study, processed the water samples, performed the Diversilab analysis and wrote the manuscript.
HV designed the study, processed the data, performed statistical analyses, drafted and revised the manuscript and participated in data sampling.
DEL conceived and designed the study; acquired, processed, and analyzed the data; and drafted the manuscript.
