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