GTH Lakes Maps

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GTH Lakes Maps
Lake Depth Mapping

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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This page was last updated on Monday, February 10, 2003 17:30 . For comments on this web site contact gsjerven@nrri.umn.edu