Lake Michigan environmental survey : final report / [edited] by John C. Ayers.

station KEW for sampling continuity.
Following is a summary of the samples collected during both the 1969 and
1970 field seasons:
Water: Zooplankton:

R
NA
AA

Stations
1969 1970 Total samples
33 + 25 = 58
32 + 25 = 57
33 + 25 = 58

R
NA
AA
Biol
Benthos:

Stations
1969 1970
33 + 24
33 + 24
33 + 24
34 + 25

Total samples
57
57
57
59

Sediments:

R
NA
AA

84
33
33

+
+
+

61
25
25

145
58
58

R
NA
AA
Biol

33
33
33
34

+
+
+
+

24
24
24
25

57
57
57
59

Phytoplankton:

R
NA
AA
Biol

33
33
33
34

+
+
+
+

24
24
24
25

57
57
57
59

Seston (particulate matter) from water (AA analysis):
Millipore filters from 4 liters of water at each station
33 stations (1969) + 25 stations (1970) = 58 total samples
Fish:

6 collections of sculpins R
2 purchases of locally-caught perch fillets
1 purchase of locally-caught chubs R
Birds:
1 Sea-gull R

R

Contingency Samples:
2 bags of benthos
33 + 25 = 58 bottles (2-liter) of raw water
Blanks (for controls on analyses):
distilled water
nitric acid
Total collections (exclusive of contingency samples and blanks):

Water
Sediments
Seston
Phytoplankton
Zooplankton
Benthos
Fish
Birds

12
Li
1 -
11 -

)8 +
50 +
33 +
33 +
33 +
33 +
9+
1+

75
111
25
97
97
97
0
0

= 173
= 261
= 58
= 230
= 230
= 230
= 9
- 1
11)2

690

vi