Aquatic Pest Management (Category 5) COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS||
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How do you remove a taste or odor left by piscicide treatment?
ANSWERS; Treat the water with activated charcoal
Piscicides are _________________ degraded, so if sunny weather is predicted,
applications should be made early in the morning or late in the day to
allow time for a reaction
ANSWERS; photochemically
Catfish are _______ susceptible to piscicides than perch
ANSWERS; less
, List the three occasions when you should have available copies of the
labels and MSDS for the pesticides being used (3)
ANSWERS;
1. When products are handled and transported
2. Where products are stored
3. At treatment site
List 6 of the 9 factors that must be taken into account when considering
the rate of neutralization
ANSWERS;
1. Volume of inflow to the treatment zone
2. Tributaries
3. Volume of outflow
4. Temperature
5. Turbidity
6. Chemical and biochemical oxygen demand
7. Species composition
8. Profile of water velocities across a stream channel
9. Dilution
Effective treatment of flowing water systems is dependent on (6)
ANSWERS;
1. Chemical concentration
2. Contact time
3. Type of target fish
4. Water temp
5. Water turbidity and pH
6. Weather
,Herbicide treatments usually result in increased ________ of
invertebrates, but fewer ____________
ANSWERS; number, species
Prevention of swimmer's itch parasite
ANSWERS; Removal of host snail's habitat
How do zebra mussels cause ecological harm in the great lakes?
ANSWERS; By filtering plankton and making it unavailable for native
species
Of the 50 species of leeches in michigan, ___ attach themselves to
humans.
ANSWERS; 4
Where do leeches dwell?
ANSWERS; In twigs and leaves at the lake bottom
What months are black fly adults most abundant?
ANSWERS; May and June
, Name 4 experimental treatments for zebra mussel management
ANSWERS;
1. Chemical treatment
2. Heat
3. Electrical shock
4. Sonic vibrations
Leeches are the preferred prey of _______ and ______
ANSWERS; blugills, bass
The US Fish and Wildlife service aren't the only ones who can respond
to a nuissance wildlife call. True or false?
ANSWERS; True. They used to be the only ones allowed to.
Who should be the first organization contacted about a nuissance
wildlife request?
ANSWERS; County animal control divisions