Saguaro 2 (S2)

Description of Site: This site is in Divider Reef and is where the riverine zone starts to take on lacustrine properties. It is most representative of the transitional zone.
GPS Coordinates: 330 34.69 N   1110 29 56 W

7/25/00

Physico-chemical Parameters
 
 
Time Depth (m) Temp (C) pH SpCond Salinity (ppt) D.O. (% sat) D.O. (mg/l) Turbidity (NTU's)
1653:47 0 15.68 8.92 1188 0.6 103.5 10.29 0.1
1648:53 -11.8 13.47 8.21 1130 0.6 46.1 4.78 1.4

 
 
 
Depth (m) Ammonia (mg/l) Nitrate (mg/l) TKN (mg/l) Ortho P (mg/l) Total P (mg/l) Sulfate (mg/l) Chloride (mg/l)
0 0 0.16 2.2 0 0.09 64.2 343
-11.8 0 0.17 1.9 0 0.08 70.1 342

 
 
Depth (m) Dissolved Fe (mg/l) Dissolved Mn (mg/l) Total Fe (mg/l) Total Mn (mg/l) Silica (mg/l) TSS Chl a (mg/m3) Pheophytin a (mg/m3)
0 0 0 0.031 0 16.4 0 1.92 1.092
-11.8 0 0 0.046 0.014 16.4 0 ND ND

Secchi Depth: 2.55 meters
 

Phytoplankton (-0.1m)
 
Division Genus Unitl/mL
Pyrrophyta Gymnodimium 320
Chlorophyta Chlamydomonas 160
Chlorophtya Coccomonas 400
Chlorophyta Thoracomonas 240
Chlorophtya Tetraedron 320
Chlorophtya Golenkinia 160
Euglenophyta Trachelomonas 240
Cyanophta Anabaenopsis 80

  Results from 6/20/00