Wisconsin Department of Natural Resources
Monitoring Station
Station ID:
10003281
Station Name:
Sawyer Lake
Specific Parameter:
-- All Parameters --
Additional Comments about Aquatic Invasives Monitoring
Approximately how large an area do the plants occupy?
Banded Mystery Snail
Chinese Mystery Snail
CURLY-LEAF PONDWEED
Date of first "Ice Off"
Date of first "Ice On"
Date sample was analyzed
Describe portion of waterbody you can see from your observation point
Describe your observation point
Diameter of zooplankton net opening
Did at least some data collectors monitor in August?
Did at least some data collectors monitor in July?
Did at least some data collectors monitor in June?
Did at least some data collectors monitor in May?
Did you check underwater solid surfaces (boat hulls, dock legs, rocks)?
Did you collect a sample and bring it to a DNR office? If so, which office?
Did you find another invasive species?
Did you look for Eurasian Water-Milfoil?
Did you look for Japanese Knotweed?
Did you look for Phragmites?
Did you look for purple loosestrife?
Did you monitor all Beaches and Boat Landings?
Did you monitor docks and piers?
Did you monitor for Reed Manna Grass?
Did you monitor perimeter of Whole Lake?
Did you observe entire shallow water area?
Did you use rake to extract plant samples?
Did you walk along the shoreline?
EURASIAN WATERMILFOIL (MYRIOPHYLLUM SPICATUM L.)
FISHHOOK WATER FLEA
Freshwater Jellyfish
Habitat Type
Have you consolidated all of your samples into one composite bottle?
Herbarium or museum where specimen is
Hydrilla (Hydrilla verticillata)
Ice Duration (Total number of dates frozen, if lake was observed daily)
If you or past observers have always used another method, describe
Latitude of sample
Longitude of sample
Month of first "Ice Off"
Month of first "Ice On"
Name of plankton sample analyst
No target aquatic invasive species were observed
Observer Name (if not already recorded)
Other invasive species found
Other office
Other species looked for
Other ways of observing
Person who verified occurence
Purple loosestrife (Lythrum salicaria)
Rusty Crayfish (Orconectes rusticus)
Satellite derived water clarity greater than max depth of lake
Second person who verified occurence
Site 1 - Depth of tows
Site 1 - Latitude
Site 1 - Longitude
Site 1 - Number of net tows
Site 1 - Secchi Depth
Site Number
Site Type
Species Name
Species Name (2)
Species Name (3)
Species Name (4)
Species Name (5)
Species Name (6)
SPINY WATER FLEA
Total Paid Hours Spent
Total Volunteer Hours Spent
Volume of sample that was analyzed (ml)
Was the plant floating or rooted?
Was the specimen confirmed as species?
Water Clarity - Predicted Secchi Depth Derived from Satellite Imagery
Water Flea Tow Method
Where did you find the invasive?
Where the invasive was found: bottom covered with plants %
Where the invasive was found: substrate sand %
Which aquatic invasive did you find?
Year of first "Ice Off"
Year of first "Ice On"
ZEBRA MUSSEL, ADULT
ZEBRA MUSSEL, VELIGER
Sample Results
Project
Date/Time
DNR Parameter
Species
Result
Units
Present/Absent
Lab Comments