DATA TABLES:
 
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Data Set I
Location
Duckweed Present (Y/N)
pH
   Temperature (o C)
 Nitrates (ppm)
 Phosphate (ppm)
Lake Carnegie
 
 
 
 
 
Site 1
Y
6.66
28.11
1.0 
Site 2
N
6.11
27.95
0
0.9 
Site 3
N
6.45
27.42
Site 4
N
7.09
29.37
Stony Brook
 
 
 
 
 
Site 1
Y
6.98
25.38
0.3 
Site 2
Y
7.35
24.73
1.0 
 
 
 
Location
Description of Area
Lake Carnegie
open area with direct sunlight 
Site 1
dense population of duckweed near shore and dock area;large plants over duckweed
Site 2
no duckweed; brown slimy substance(maybe algae) near pier and lots of activity(people) in area
Site 3
edge of pier; no duckweed; "gunky" residue
Site 4
edge of lake;0.2miles from sites 1-3; no duckweed; cement boat launch; open area with some geese along bank; some plants as in site one
Stony Brook
shaded area under dense growth of trees
Site 1
more open "shore" area; small patches of duckweed
Site 2
small "niche" microenvironment with very dense duckweed patch
 
 
Data Set  II
Location
Duckweed Present (Y/N)
pH
   Temperature (o C)
 Nitrates (ppm)
 Phosphate (ppm)
Lake Carnegie
 
 
 
 
 
Site 1
Y
6.5
27.9
0.5 
1.0 
Site 2
Y
7.0
26.5
0.5
0.9 
Site 3
Y
7.5
26.75
0.5 
Site 4
Y
7.5
30.0
1.0 
Stony Brook
 
 
 
 
 
Site 1
Y
6.98
25.5
0.5 
0.3 
Site 2
Y
7.35
25
0.5 
1.0 
 
 
Location
Description of Area
Lake Carnegie
open area with direct sunlight 
Site 1
dense population of duckweed near shore and dock area;appears to have "bloomed" since last observation;slimy and oily looking
Site 2
small duckweed population; brown slimy substance near pier
Site 3
edge of pier; few fromds of duckweed that appear to have drifted to site
Site 4
edge of lake;0.2miles from sites 1-3; 
few fronds of duckweed probably due to stream movement 
Stony Brook
shaded area under dense growth of trees
Site 1
more open "shore" area; small patches of duckweed
Site 2
small "niche" microenvironment with very dense duckweed patch
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