Fig. 5. Spatial autocorrelation for nitrate in Rose Creek (upper) and Greenbrier Creek (lower) for 2000. (Symbols *, **, + used to show 5, 1, and 10% levels of significance, respectively).
Fig. 5. Spatial autocorrelation for nitrate in Rose Creek (upper) and Greenbrier Creek (lower) for 2000. (Symbols *, **, + used to show 5, 1, and 10% levels of significance, respectively).