Saguaro 3 (S3)

Description of Site: This site is representative of true lacustrine conditions.
GPS Coordinates: 330 34.03N   1110 31.23  W

9/27/99
Physico-chemical Parameters
 
Time Depth (m) Temp (C) pH SpCond Salinity (ppt) DO (% sat) DO (mg/l) Turbidity (NTU's)
1054:32 0 25.89 8.78 1428 0.8 71.8 5.63 4.6
1054:16 1.1 25.9 8.78 1428 0.8 72.1 5.65 2.2
1054:01 2.6 25.9 8.77 1427 0.8 71.3 5.59 0
1053:48 4.4 25.88 8.75 1426 0.8 70.2 5.43 0
1053:35 6.4 25.84 8.74 1426 0.8 69.2 5.43 0
1053:18 8.1 25.78 8.72 1423 0.8 68.3 5.37 0
1052:56 10.1 25.76 8.68 1421 0.8 66.1 5.2 0
1052:07 12.2 25.19 7.94 1387 0.7 4.1 0.32 0
1051:31 12.8 24.92 7.89 1379 0.7 2 0.16 0
1050:56 15.3 24.2 7.93 1360 0.7 7 0.56 0
1050:08 17.3 23.87 8.01 1353 0.7 22.9 1.86 0.7
1049:44 19.1 23.83 8.02 1352 0.7 24.9 2.03 2.2
1049:24 21.5 23.77 8.03 1350 0.7 26.4 2.15 1.7
1049:07 23 23.73 8.03 1347 0.7 26.5 2.15 1.4
1048:50 23.8 23.71 8.02 1346 0.7 26.5 2.16 1.9
1048:15 26.5 23.6 7.98 1338 0.7 15.8 1.29 13.3
1047:33 28.6 23.48 7.92 1325 0.7 2.6 0.21 23.5
1047:08 29.1 23.42 7.79 1315 0.7 2.81 0.23 14.7

 
Depth (m) Ammonia (mg/l) Nitrate (mg/l) Total Nitrogen (mg/l) Ortho P (mg/l) Total P (mg/l) Sulfate (mg/l) Chloride (mg/l) TOC DOC UV254
0 0.08 ND <1 ND 0.019 59 340 pending pending pending
10 0.13 ND <1 ND 0.019 59 320 pending pending pending

 
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 ND ND ND ND 15 ND 2.924 2.143
10 ND ND ND ND 16 ND 3.24 3.228

Secchi Depth:  2.23 meters

Phytoplankton
0.5 m
Division Genus Units/ml
Cyanophyta Anabaenopsis 80
Cyanophyta Spirulina 1520
Cyanophyta Synechococcus 80
Chlorophyta Ankistrodesmus 80
Chlorophyta Chlamydomonas 80
Chlorophyta Chlorococcum 320
Chlorophyta Cosmarium 560
Chlorophyta Crucigenia 1600
Chlorophyta Dictyosphaerium 480
Chlorophyta Scenedesmus 80
Chrysophyta Dinobryon 80
Chrysophtya Nitzchia 1440
Euglenophyta Euglena 80

4 m
Division Genus Units/ml
Cyanophyta Anabaenopsis 160
Cyanophyta Merismopedia 160
Cyanophyta Spirulina 960
Cyanophyta Synechococcus 80
Chlorophyta Chlamydomonas 160
Chlorophyta Coccomonas 240
Chlorophyta Cosmarium 160
Chlorophyta Crucigenia 480
Chlorophyta Dictyosphaerium 80
Chrysophyta Dinobryon 320
Chrysophyta Nitzchia 1040
Chrysophyta Synedra 240
Euglenophyta Trachelomonas 80

Zooplankton
Order  Suborder Genus #/m3
pending pending pending pending
pending pending pending pending
pending pending pending pending

Results from 8/24/99