Term
| early pollution to yahara lakes due to madisons poorly treated ____ ____ ____ |
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Definition
| sewage effluent discharges |
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Term
lower yahara lakes had very
--- inorganic P concentrations when lakes were revieving sewer effluent discharges |
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Definition
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Term
| what was the chemical treatment in the 1920 era to madison lakes |
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Definition
| copper sulfate to madison lakes |
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Term
| ass effluents divereted to lower lakes ___ |
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Definition
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Term
| as efflluents diverted to lower lakes ___ problems in Mendota occured |
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Definition
|
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Term
| what is the recent problem in lake mendota |
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Definition
| dissolved P due to high nutrient levels mainted by nonpoint pollution such as ag |
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Term
| what is the difference between the P loading source for mendota vs monona,waubesa and kegonsa? |
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Definition
| mendota is due to 3/4 agriculture while the saller lakes are due to 2/3 upstream lake p loading |
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Term
| what are some conservations practices discussed in this lecture |
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Definition
| no tilling, strip cropping, grass waterways, stormwater detention pond, rain gardens, mulching in concstruction areas and manure management* (a major problem) |
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Term
| what is the oridance in order to add manure if ur a farmer |
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Definition
u have to till to add manure
cannot be put on slopes near rivers or banks
cannot not apply if ur a small farm |
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Term
| what are 4 things that decrease as a result of not spreading vast amounts of manure |
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Definition
1. decrease high P
2. decrease stream water quality problems
3. decrease nitrate pollution of groundwater
4. soil P concentrations decrease |
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Term
| climate change: exponent____ P loads during big runoff years |
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Definition
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Term
| what are 3 ways to measure how P concentrations will change |
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Definition
using SWAT an analysis that uses the sources of water runoff based on animal units to determine soil P concentrations
2.modeling flow chart
3. probability distributions |
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Term
| what is the primary contributer of runoff problems |
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Definition
|
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Term
| what is one solution to the manure problem |
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Definition
| anaeorobic manure digesters with P removal could lower soil P |
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Term
| what is the lake wingra restoration project |
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Definition
| a project in which limnologist tracked the movement of carp in the winter and found that they go to the deepest part of the lake.. they used this realization to capture the carp and removed more than 50% water cleard up substantially (carp whip up nutrients in lake) |
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