Upper Midwest Environmental Sciences Center
Table 1. All pools
Vegetation - Stratified Random Sampling
2001
Table 1. Aquatic
area strata and the number of sites sampled by pool, 2001.
Stratum description |
Stratum
numeric
code |
Stratum
letter
code |
Pool
4
|
Pool
8
|
Pool
13
|
Pool
26
|
La
Grange
Pool
|
2001 sampling season |
|
|
|
|
|
|
|
Main channel border, Illinois River |
1502
|
MCB-I |
-
|
-
|
-
|
40
|
-
|
Main channel border |
1503
|
MCB |
-
|
100
|
70
|
49
|
78
|
Secondary channel |
1504
|
SC |
-
|
120
|
70
|
50
|
50
|
Main channel border, upper |
1505
|
MCB-U |
30
|
-
|
-
|
-
|
-
|
Main channel border, lower |
1506
|
MCB-L |
40
|
-
|
-
|
-
|
-
|
Secondary channel, upper |
1507
|
SC-U |
40
|
-
|
-
|
-
|
-
|
Secondary channel, lower |
1508
|
SC-L |
60
|
-
|
-
|
-
|
-
|
Contiguous backwater |
1510
|
BWC |
-
|
175
|
198
|
80
|
100
|
Contiguous backwater, upper |
1511
|
BWC-U |
100
|
-
|
-
|
-
|
-
|
Contiguous backwater, lower |
1512
|
BWC-L |
176
|
-
|
-
|
-
|
-
|
Lake Pepin, upper |
1513
|
TDL-U |
75
|
-
|
-
|
-
|
-
|
Lake Pepin, lower |
1514
|
TDL-L |
75
|
-
|
-
|
-
|
-
|
Impounded |
1520
|
IMP |
-
|
225
|
209
|
40
|
-
|
Isolated backwater |
1530
|
BWI |
50
|
50
|
59
|
60
|
129
|
Isolated backwater, Illinois |
1531
|
BWI-I |
-
|
-
|
-
|
94
|
-
|
Lake |
1532
|
LK |
-
|
-
|
-
|
-
|
57
|
Total for 2001 sampling season |
|
|
646
|
670
|
606
|
413
|
414
|
Table 1b. Aquatic area
strata and the number of sites sampled by nontarget pool, 2001.
Stratum description |
Stratum
numeric
code
|
Stratum
letter
code |
Pool
11
|
2001 sampling season |
|
|
|
Main channel border |
1503
|
MCB
|
142
|
Secondary channel |
1504
|
SC
|
77
|
Contiguous backwater |
1510
|
BWC
|
130
|
Impounded |
1520
|
IMP
|
204
|
Isolated backwater |
1530
|
BWI
|
15
|
Total for 2001 sampling season |
|
|
568
|
Page Last Modified:
April 17, 2018