Below are two examples of changes in hydrologic parameters in part due
to human influence.
Change in water level in Lake Ontario; arrow indicates approximate time
of the start of a major human perturbation
Given the graph above:
(1) Describe the change in water level over time.
(2) What might have caused the change you described?
(3) What are two possible effects on either biological or chemical
parameters that might be expected to result from this change in
hydrology?
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Biology Homework Solutions
#144788
Aquatic Ecology
(1) Describe the change in water level over time.
(2) What might have caused the change you described?
(3) What are two possible effects on either biological or chemical parameters that might be expected to result from this change in hydrology?
See attached file for full problem description.
Human perturbation is the reason for the rise in level of water. It is manifested in the form of population growth, clearing of forests and bush-land as well as changes in cultivation manners. Human perturbation replaces permeable surface with impermeable and natural process of infiltration is stopped.
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