Nitrate concentrations
This image
shows nitrate concentrations of lakes within major watersheds that have been sampled as
part of the Geomorphic-Trophic and LTER research projects.
Fish absenceThis image shows the location of lakes within major watersheds having no fish
species present within the study region.
GraylingThis image shows the location of lakes within major watersheds known to contain
grayling within the GTH lakes region.
ElevationThis
image shows the relative elevation of the GTH lakes region.
Lake TroutLakes
in the GTH lakes region with known populations of Lake Trout.
WhitefishLakes in the GTH lakes region with known populations of Whitefish.
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