Table 4.
Pearson correlation coefficient (r) of the statistically significant correlations (*p < 0.05 or **p < 0.01) between the variables measured in the 17 high altitude lakes and the chemical and physical scores (obtained in the factor analyses, see Table 3).
| Factor F1 | Factor F2 | Factor F3 | Factor C1 | Factor C2 | Factor C3 | |
|---|---|---|---|---|---|---|
| Lake morphometry | –Altitude | –Temperature | Productivity | –Watershed DOC | Lithology | |
| SML | ||||||
| Total heterotrophic prokaryotes | −0.654** | 0.558* | ||||
| % Live prokaryotes | −0.536* | −0.523* | ||||
| Total PPP abundance | −0.652** | |||||
| Prokaryotic heterotrophic activity (leucine incorporation) | 0.540* | |||||
| SURFACE | ||||||
| % Live prokaryotes | −0.498* | |||||
| CTC positive prokaryotes | 0.535* | |||||
| Ratio Total heterotrophic prokaryotes:HNF | −0.531* | 0.488* | −0.544* | |||
| Total heterotrophic prokaryotes | −0.628** | −0.533* | ||||
| Total PPP abundance | 0.530* | −0.540* | ||||
| Prokaryotic heterotrophic activity (leucine incorporation) | −0.567* | |||||
| ENRICHMENT FACTOR | ||||||
| Total PPP abundance | −0.506* | |||||
| Ratio Total heterotrophic prokaryotes:HNF | 0.677** | |||||
| Prokaryotic heterotrophic activity (leucine incorporation) | 0.713** | |||||