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

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Appendix 1    Appendix 2

TABLE 1

 

 

 

WATER CHARACTERISTICS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

LOCATION:

beach site

STR 450

STR 800

suspended bridge

SUR 950

CCL 550

CCC 1000

SOR 350

CHANNEL DESCRIPTION:

10M depth

.5 M depth

1M depth

1M depth

.50M depth

.5M depth

.5M depth

1M depth

 

 

2M width

2M width

 

6M width

8M width

6M width

10M width

SAMPLING TIME:

7/28/01, 9:45am

7/27/01, 4:10pm

7/27/01, 4:25pm

7/27/01, 3:50pm

7/27/01, 5:15pm

7/28/01, 6:00am

7/28/01, 6:45am

7/28/01; 7:00am

WATER DESCRIPTION:

green color

dark green color

green color

green color

green color

light green

green color

green color

 

odorless

odorless

odorless

odorless

odorless

odorless

odorless

odorless

 

sandy bottom

rocky bottom

cloudy bottom

rocky bottom

rocky bottom

rocky bottom

rocky bottom

rocky bottom

 

w/silt sediments

w/heavy flood debris

heavy sediments

w/silt sediments

w/silt sediments

w/rapids

w/silt sediments

w/silt sediments

 

no vegetation

no vegetation

heavy vegetation

no vegetation

some vegetation

vegetation

some vegetation

some vegetation

 

no fish

no fish

no fish

fish

no fish

fish

no fish

no fish

 

leaf litter

leaf litter

heavy leaf litter

leaf litter

leaf litter

no leaf litter

leaf litter

leaf litter

 

2 edge effects

 

 

 

steep banks

steep banks

steep banks

steep banks

 

2 small creek tributaries

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*7/27/01 sampling results

 

 

 

 

 

 

 

 

collected after rainstorm