An Ecological Assessment of the Louisiana Tensas River Basin: Appendix 
Results ofWilcoxon Rank Sum Test for Determining differences between water quality monitoring stations 
Compare Station to Station 
Parameter 
Season 
Significantly Different 
Tendal 
Clayton 
Total N itrogen 
All Combined 
No 
Tendal 
Clayton 
Total Phosphorus 
All Combined 
Yes 
Tendal 
Winnsboro 
Total N itrogen 
All Combined 
No 
Tendal 
Winnsboro 
Total Phosphorus 
All Combined 
Yes 
Clayton 
Winnsboro 
Total Nitrogen 
All Combined 
No 
Clayton 
Winnsboro 
Total Phosphorus 
All Combined 
No 
Clayton 
Winnsboro 
Total N itrogen 
Spring 
No 
Clayton 
Winnsboro 
Total N itrogen 
Summer 
No 
Clayton 
Winnsboro 
Total N itrogen 
Fall 
No 
C lay ton 
Winnsboro 
Total N itrogen 
Winter 
No 
Tendal 
Clayton 
Total N itrogen 
Spring 
No 
Tendal 
Clayton 
Total N itrogen 
Summer 
No 
Tendal 
Clayton 
Total N itrogen 
Fall 
No 
Tendal 
Clayton 
Total Nitrogen 
Winter 
No 
Tendal 
Winnsboro 
Total N itrogen 
Spring 
No 
Tendal 
Winnsboro 
Total N itrogen 
Summer 
No 
Tendal 
Winnsboro 
Total N itrogen 
Fall 
No 
Tendal 
Winnsboro 
Total N itrogen 
Winter 
No 
Clayton 
Winnsboro 
Total Phosphorus 
Spring 
No 
C lay ton 
Winnsboro 
Total Phosphorus 
Summer 
No 
Clayton 
Winnsboro 
Total Phosphorus 
Fall 
No 
Clayton 
Winnsboro 
Total Phosphorus 
Winter 
No 
Tendal 
Clayton 
Total Phosphorus 
Spring 
No 
Tendal 
C lay ton 
Total Phosphorus 
Summer 
Yes 
Tendal 
Clayton 
Total Phosphorus 
Fall 
Yes 
Tendal 
Clayton 
Total Phosphorus 
Winter 
No 
Tendal 
Winnsboro 
Total Phosphorus 
Spring 
No 
Tendal 
Winnsboro 
Total Phosphorus 
Summer 
No 
Tendal 
Winnsboro 
Total Phosphorus 
Fall 
Yes 
