3.1 Trend analysis
The results of the suspended sediment load trend analysis are summarized in Table 2 . Annual SSL decreased at most measurement stations, while increasing trends occasionally occurred, affecting only individual cases. A decrease in −0.117% — −21.4% per year is registered at 28 of 33 gauging stations. The average measured recession is −1.81% per year (stand. dev. 3.89). Positive trends are observed in all altitude zones. The mean annual increase in suspended sediment load is 2.95% (stand. dev. 5.68). It varies from 0.259 to 13.1% (seeTable 2 ).
To make our results comparable to the findings of Buchner et al. (2020), we calculated trends for the same period as their forest and cropland change (1987-2015). At all gauges combined, we observed a steeper decline in the contemporary period rather than for the whole available measuring history. The Fiagdon river is the only exception with a shift in the trend direction at Tagardon station (Fia-Ta). The average measured recession in the 1987-2015 period is −11% per year (stand. dev. 9.6).
### TABLE 2 ###
### FIGURE 3 ###