Like the results from the mixed-effects models, we see a decreasing trend in the contribution of salmon to the sediment as the river discharge increased and the salmon carcasses were consumed or flushed downstream into the lake.
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The seasonal movement of sediment-associated marine-derived nutrients in a morphologically diverse riverbed: the influence of salmon in an Interior British Columbia river.
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The sentences
The regression line for the percent of total upstream spawners plotted against average sediment δ 15 N during the spawn showed a significant correlation ( p = 0.025) and an increasing trend in average sediment δ 15 N as percent of spawners increased (Fig. 5 a).