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limno
Ecology of fishes Guest Lecturer
11
Biology
Undergraduate 4
12/16/2010

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Cards

Term
the ____ _____ concept is the basis for applications intended to improve water quality
Definition
trophic cascade
Term
what is biomanipulation
Definition
the applied use of food web manipulations
Term
when you increase daphnia in a lake you ___ secchi depth
Definition
increase
Term
when the DNR limits the bass size to fisherman the top of the food web will be ____
Definition
enhanced
Term
true or false even when [nutrient] are high, secchi depth can be low
Definition
true!!
Term
is agriculture or urbanization a greater impact to lake Mendota?
Definition
agriculture by far
Term
phosphorus into lake mendota predominantly comes from what human source?
Definition
construction and development (distributing soil brings up P)
Term
what can we do to reduce the urbanization effects of lake mendota? (2)
Definition
1. protect natural parks like cherokee marsh
2. create ways to change/improve agriculture
Term
Lake Delvan was discussed in this lecture involving water quality.. what was this story about
Definition
Lake Delvan had a massive water quality problem shortly after recognizing this locals did everything they could to protect the lake especially by moving carp and reducing P. the result was that water quality improved tremdnously daphnia, macrophytes and walleye all increased
Term
how can you personally help in the water quality of lakes problem?
Definition
vote and be informed
Term
what are some things we can do to 'make lakes green'(increase eutrophication
Definition
-have green lawns
-eliminate government
-refuse taxation
-add bulldozers
-add invaders
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