Biogeochemistry of "pristine" freshwater stream and lake systems in the western Canadian Arctic.

DOC concentrations did not show a significant trend through time (Fig. 6 ), indicating these flow paths did not alter much through the study seasons.

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K + did correlate significantly in the synchrony-through-time analysis at sites within Siksik catchment, with a negative trend in time (Pearson’s r = −0.72; Table 6 ), but showed clear spatial synchrony with a positive spatial trend (Pearson’s r = 0.80; Table 3 ).

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