Tabla 3. Estadígrafos de tendencia central y de dispersión de las variables físicas y químicas en la Ciénaga de Ayapel.

Muestreo/año

Estadígrafo

Profundidad total (m)

Transparencia del agua (m)

Sólidos suspenidos (mg/l)

Sólidos totales (mg/l)

Conductividad eléctrica (µS/cm)

Dureza Total (mg/l)

Oxígeno disuelto (mg/l)

Redox (mV)

pH

Nitratos (mg/l)

Ortofosfatos (mg/l)

sep 2004

Media (CV%)

3.90 (38.49)

0.46 (50.04)

26.73(37.90)

68.73 (30,25)

37.76 (40.20)

17.00 (0.00)

5.23 (26.04)

153.18 (12.93)

7.53 (4.31)

0.60 (28.71)

0.18 (24.31)

Máximo

5.70

0.92

44.00

112.00

65.1

17.00

7.60

184.00

8.22

0.90

0.24

Mínimo

1.55

0.18

12.00

48.00

18.6

17.00

3.30

129.00

7.10

0.40

0.11

nov 2004

Media (CV%)

3.77 (37.59)

0.63 (37.86)

21.45(38.00)

61.45 (38.89)

40.4 (31.71)

10.00 (0.00)

5.23 (26.04)

187.55 (2.85)

7.00 (7.12)

0.52 (73.14)

0.12 ( 22.19)

Máximo

5.90

0.99

44.00

120.00

65.1

10.00

7.60

252.00

7.70

1.4

0.18

Mínimo

1.82

0.28

14.00

42.00

18.6

10.00

3.30

131.00

6.20

0.20

0.08

feb 2005

Media (CV%)

1.97(64.18)

0.26 (33.39)

43.64 (90.86)

126.55 (54.22)

56.88 (25.36)

18.25 (37.25)

6.87 (19.37)

246.73 (8.97)

7.40 (5.60)

0.96 (54.70)

0.33 (60.42)

Máximo

4.00

0.41

116.00

224.00

86.00

30.00

9.00

284.00

8.30

1.69

0.54

Mínimo

0.30

0.10

12.00

54.00

42.40

1.70

4.67

201.00

6.95

0.20

0.12

mar 2005

Media (CV%)

1.79 (65.51)

0.17(51.53)

68.44 (69.70)

204.89(39.99)

49.88 (45.33)

20.00 (23.05)

7.14 (18.49)

209.39 (18.68)

7.67 (9.16)

1.12 (39.55)

0.38 (57.24)

Máximo

3.60

0.27

152.00

368.00

82.90

25.00

9.00

256.00

8.42

1.90

0.86

Mínimo

0.30

0.04

16.00

106.00

17.30

10.00

5.00

160.50

6.78

0.70

0.22

abr 2005

Media (CV%)

1.73 (72.79)

0.29 (40.66)

85.27 (113.27)

160.55 (87.26)

94.97 (43.85)

23.55 (36.60)

7.02 (28.73)

189.36 (26.46)

7.64 (7.90)

1.06 (76.81)

0.85 (94.2)

Máximo

3.40

0.40

314.00

496.00

163.50

43.00

9.90

315.00

8.43

2.80

2.57

Mínimo

0.42

0.06

12.00

62.00

46.70

17.00

3.50

138.00

6.75

0.26

0.21

jun 2005

Media (CV%)

3.46 (41.35)

0.42 (54.75)

20.18 (104.71)

87.27 (39.51)

77.88 (28.16)

23.73 (21.00)

4.95 (23.46)

233.45 (17.98)

6.73 (6.82)

1.06 (66.52)

0.19 (17.29)

Máximo

5.50

0.95

68.00

154.00

107.30

29.00

6.90

269.00

7.70

2.40

0.24

Mínimo

1.00

0.10

3.00

42.00

38.80

13.00

2.90

140.00

6.31

0.50

0.14