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Design and interpretation of toxic chemical distribution and stress : Detroit River case study PowerPoint PPT Presentation


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Design and interpretation of toxic chemical distribution and stress : Detroit River case study. G.D. Haffner, Sara Wood and Alice Grgicak-Manion Great Lakes Institute for Environmental Research, Universitry of Windsor, Ontario, Canada. curriculum in natural environmental science, 2005.

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Design and interpretation of toxic chemical distribution and stress : Detroit River case study

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Design and interpretation of toxic chemical distribution and stress detroit river case study

Design and interpretation of toxic chemical distribution and stress : Detroit River case study

G.D. Haffner, Sara Wood and Alice Grgicak-Manion

Great Lakes Institute for Environmental Research,

Universitry of Windsor, Ontario, Canada

curriculumin natural environmental science, 2005


Design and interpretation of toxic chemical distribution and stress detroit river case study

Stratified/random sampling design for the Detroit River. This design reflects the overall health of the river system and provides the basis for powerful statistical analysis

curriculumin natural environmental science, 2005


Design and interpretation of toxic chemical distribution and stress detroit river case study

A cluster diagram illustrating the three primary benthic communities

curriculumin natural environmental science, 2005


Design and interpretation of toxic chemical distribution and stress detroit river case study

The relative composition of the two depositional and one high energy benthic community

curriculumin natural environmental science, 2005


Design and interpretation of toxic chemical distribution and stress detroit river case study

The spatial distribution of the three benthic communities within the Detroit River. Note that although Community 2 tends to aggregate along the lower, western reach of the river, there is no overall pattern of distribution

curriculumin natural environmental science, 2005


Design and interpretation of toxic chemical distribution and stress detroit river case study

Spatial distribution of sites exceeding either LEL or SEL guidelines. Most sampled sites exceeded the guidelines for at least one metal.

curriculumin natural environmental science, 2005


Design and interpretation of toxic chemical distribution and stress detroit river case study

GIS representation of the spatial distributions of Pb and Cd in the Detroit River indicating that different processes were regulating the fate of these metals

curriculumin natural environmental science, 2005


Design and interpretation of toxic chemical distribution and stress detroit river case study

GIS representation of the spatial distributions of Zn and Hg in the Detroit River indicating that different processes were regulating the fate of these metals

curriculumin natural environmental science, 2005


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