Table 1 SIAR model results for various sources of nitrate to inflows and lakes.

From: Agriculture causes nitrate fertilization of remote alpine lakes

Group

Source

MPE

Low 95% highest density region

High 95% highest density region

Inflows

AON

23

20

26

 

NH4+ and NO3 Fertilizer+Rain NH4+

62

49

74

 

Soil NO3

14

1

26

 

Septic Effluent and Manure

1

0

5

Lakes

AON

24

14

38

 

NH4+ and NO3 Fertilizer+Rain NH4+

35

14

55

 

Soil NO3

34

5

55

 

Septic Effluent and Manure

2

0

23

  1. MPE, modal probability estimate.
  2. The MPE is the solution (proportion contributed by that source) with the highest probability. The low 95% and high 95% highest density region encompass 95% of the model solutions.