Wisconsin Department of Natural Resources
Monitoring Station
Station ID:
10005978
Station Name:
North Twin Lake
Specific Parameter:
-- All Parameters --
Additional Comments about Aquatic Invasives Monitoring
AGE IN YEARS OF SPECIMEN COLLECTED YEARS
Are Loon Alert signs posted on your lake?
Banded Mystery Snail
Chinese Mystery Snail
CURLY-LEAF PONDWEED
Date loons first arrived in spring
Date of first "Ice Off"
Date of first "Ice On"
Date sample was analyzed
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 loons use your lake as part of their migration route?
Did loons use your lake during the summer?
Did you check underwater solid surfaces (boat hulls, dock legs, rocks)?
Did you look for Eurasian Water-Milfoil?
Did you monitor all Beaches and Boat Landings?
Did you monitor docks and piers?
Did you monitor other locations?
Did you monitor perimeter of Whole Lake?
Did you observe entire shallow water area?
Did you survey the entire lake?
Did you use rake to extract plant samples?
Did you walk along the shoreline?
Does your lake have a lake association?
EURASIAN WATERMILFOIL (MYRIOPHYLLUM SPICATUM L.)
Fall migration # loons using lake
FISH LENGTH, TOTAL INCHES
FISH, WHOLE, WET WEIGHT KILOGRAMS
FISHHOOK WATER FLEA
Freshwater Jellyfish
Have you consolidated all of your samples into one composite bottle?
How many public landings are on your lake?
How often are you at your lake property?
How often were you able to check the lake for loons?
Hydrilla (Hydrilla verticillata)
Latitude of sample
Longitude of sample
MERCURY
Month loons first arrived in spring
Month of first "Ice Off"
Month of first "Ice On"
Name of plankton sample analyst
NUMBER OF INDIVIDUALS IN THE SAMPLE
Other species looked for
Other ways of observing
Purple loosestrife (Lythrum salicaria)
Rusty Crayfish (Orconectes rusticus)
Satellite derived water clarity greater than max depth of lake
Site 1 - Depth of tows
Site 1 - Latitude
Site 1 - Longitude
Site 1 - Number of net tows
Site 1 - Secchi Depth
Site 2 - Depth of tows
Site 2 - Latitude
Site 2 - Longitude
Site 2 - Number of net tows
Site 2 - Secchi Depth
Species Name
SPECIES SEX CODE
SPINY WATER FLEA
Spring migration # loons using lake
Total Paid Hours Spent
Total Volunteer Hours Spent
Volume of sample that was analyzed (ml)
Was the specimen confirmed as species?
Water Clarity - Predicted Secchi Depth Derived from Satellite Imagery
Water Flea Tow Method
Which months or dates?
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