A COMPARATIVE STUDY OF THE AQUATIC SYSTEMS OF LA SELVA, COSTA RICA

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Appendix 1    Appendix 2

TABLE 2

 

RIVER DOWNSTREAM

SENDERO TRES RIO 450

SENDERO TRES RIO 800

RIVER UPSTREAM

SURA CREEK

CAMINO CIRC. LEJANO 550

CAMINO CIRC. CERCANO 1000

SENDERO ORIENTAL 350

 

beach site

STR 450

STR 800

suspended bridge

SUR 950

CCL 550

CCC 1000

SOR 350

pH

7.5

6

6.5

7

7

7

7.5

6

Carbon Dioxide(ppm)

10

18

9

12

14

13

11

25

Phosphate (ppm)

less than 1.0

less than 1.0

none

less than 1.0

less than 1.0

less than 1.0

clear

less than 1.0

Total Hardness (ppm)

62

64

68

66

106

78

66

64

Conductivity (mics)

110

80

50

150

190

190

110

110