Table 2. Total number of metagenomic reads (averaged c. 1 million per sample) for Lake Cisó and Banyoles basin C-III.

	Cisó ML	Cisó HL	C-III ML	C-III HL
Total number of reads	869 947	991 056	1 071 206	1 077 431
Taxonomically assigned reads (%)	46.7	53.5	54.2	62.4
Bacteria (%)	92.5	94.6	91.9	93.7
Archaea (%)	0.7	3.5	1.4	1.7
Eukarya (%)	2.8	1.1	2.7	0.7
Viruses (%)	4.0	0.8	4.0	3.9
16S rRNA genes in the metagenomic pool	465	578	690	787
Bacteria (%)	99.6	97.9	100	99.4
Archaea (%)	0.4	2.1	0	0.6
Functionally assigned metagenomic reads (%)	25.8	27.5	30.5	32.6
Reads of key genes in C, N and S cycles	2392	3574	4773	5162

Abbreviations: HL, hypolimnion; ML, metalimnion.