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

Table 2

Nortes and dry seasons median, minimum, and maximum () nutrient content (%), sterols, and stanols (µg g⁻¹ D.W.) in sediments surrounding X’Buya-Ha. TC: total carbon; TN: total nitrogen; TP: total phosphorus; OM: organic matter; : carbonates; CO: coprostanol; EP: epicoprostanol; CH: cholesterol; CHL: cholestanol; CA: campesterol; CAL: campestanol; ST: stigmasterol; STL: stigmastanol; DI: dinosterol; SI: sitosterol; SIL: sitostanol.

	Nortes season (Feb’12)			Dry season (May’13)
	Median	Min	Max	Median	Min	Max
Sediment nutrients ()
TC	13.27	12.02	19.66	13.53	12.64	17.02
TN	0.75	0.36	1.53	0.28	0.07	1.12
TP	0.06	0.04	0.07	0.06	0.05	0.06
OM	12.65	6.08	36.87	12.65	6.0	26.8
	36.17	18.41	40.97	54.17	36.4	58.97
Sterols µg g^-1 D.W.
CO	0.90	0.90	96.09	6.31	0.90	42.48
EP	0.90	0.90	96.13	2.79	0.90	24.55
CH	54.71	6.38	107.26	11.51	1.74	22.85
CHL	69.0	0.90	104.84	8.05	0.90	35.35
CA	43.5	0.90	78.89	0.90	0.90	11.93
CAL	0.90	0.90	96.62	ND	ND	ND
ST	22.7	0.90	73.09	5.03	0.90	29.50
STL	0.90	0.90	76.57	3.81	1.52	27.50
DI	21.9	0.90	101.55	3.97	0.90	23.11
SI	68.6	8.11	103.28	8.81	1.75	45.11
SIL	58.8	0.90	106.49	ND	ND	ND

ND: not detected, below detection limit.