Figure 5

Sampling area and location of sampling points.
The figure map was generated by using software ArcGIS 10 (Environmental Systems Research Institute, Inc. Redlands, US). The sampling sites were located by using Global Positioning System (GPS).

Sampling area and location of sampling points.
The figure map was generated by using software ArcGIS 10 (Environmental Systems Research Institute, Inc. Redlands, US). The sampling sites were located by using Global Positioning System (GPS).