Submerged Groundwater Discharges as Source of Fecal Material in Protected Karstic Coastal Areas

Figure 7

Principal Component Analysis (PCA) by variable (a) and site (b) based on presence and concentration of sterols at each sampling station in dry season. The red circle identifies the stations with coprostanol and epicoprostanol presence and blue circle includes those stations with little or no influence from the X’Buya-Ha flow.

(a)

(b)