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.
physical
formation
variability
light
density stratification
watersheds
chemical
general lake chemistry
dissolved oxygen
nutrients
biological
lake zones
food webs
primary producers
chlorophyll
algal succession
consumers decomposers
trophic status
eutrophication
ecoregions
biological differences

understanding lake ecology
TYPICAL FISH SPECIES














Figure 21

Images from the Minnesota Department of Natural Resources.

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