Please enable JavaScript.
Coggle requires JavaScript to display documents.
Lecture 6: Laurentian great lakes (Great lakes under stress (Aquatic…
Lecture 6: Laurentian great lakes
Lake depth:
Regualted heavily with diversions
seeslide 4
Lake temperature and water level
see slide 5
Bridges and Dams
see slide 6
Cause problems for the natural flow, also changes the bottom of the lakes
Huron-Erie Corridor
Key regulators of lakes and water levels
Detroit River Fish
60 fish species
Great lakes under stress
Aquatic invasive species
see slides 12-14
Introduced via shipping, agricultural, horticultural, pet trade etc.
Dreissenid messels
Round goby
habitat loss
Considered one of the top 3 stressors of lake erie and the corridor
see slide 10 and 11
biodiversity loss
industrial pollution
St clair river and detroit river are areas of concern
COntaminants: heavy metals, mercury, PCBS, PAHS
climate change
Nutrient Pollution
Food web collapse?
See historic and present lake ontario food web on slide16
Great lakes water quality agreement