Agriculture & Biology
Lake Superior
71%
coliform bacteria
62%
periphyton
62%
fecal bacteria
58%
Escherichia coli
30%
waterfowl
12%
sewage effluent
7%
waterways
7%
shorelines
6%
sewage
6%
bacteria
5%
DNA fingerprinting
5%
fluorescent dyes
5%
ice
5%
pollution
4%
autumn
4%
summer
3%
animals
2%
water
2%
cells
1%
Earth & Environmental Sciences
coliform bacterium
60%
periphyton
58%
fecal coliform
53%
lake
27%
library
14%
waterfowl
13%
sewage
9%
bacterium
6%
microcosm
5%
waterway
5%
shoreline
4%
autumn
4%
DNA
4%
effluent
3%
animal
3%
ice
3%
pollution
3%
cell
3%
water
3%
indicator
3%
summer
3%
laboratory
2%
Medicine & Life Sciences
Periphyton
100%
Lakes
59%
Escherichia coli
33%
Bacteria
32%
Libraries
14%
Sewage
13%
Water
7%
DNA Fingerprinting
6%
Ice
6%
Dermatoglyphics
6%
Polymerase Chain Reaction
3%
Animals
2%