Aquatic Vegetation Survey Answer Key

Question No. Question Possible Answers Comments
1 (a) Aquatic plant introduced: Common Name: Scientific Name:

1 (b) State / Agency: State: two letter abbreviation Agency next to name

2 Name of Water Body? not constrained

3(a) Type of Water Body? reservoir
lake
pond
wetland
stream
quarry pond
oxbow

3 (b) Size of Water Body (ac) ? any number not asked for originally

4 (a) Type of Prior Vegetation None
free floating
floating leaf
emergent
submersed
shrubs/trees

4 (b) Species of prior vegetation bulrush
cattails
water willow
primrose
alligator weed
water lily
pondweed
arrowhead
coontail
Eurasion watermilfoil  or watermilfoil
chara
wild iris
water plantain
spike rush
horsetail
wild rice
cutgrass
reed canary grass
hydrilla
button bush
willow
naiad or Southern naiad
watermeal
spiderlily
parrot feather
rushes
panicums
eelgrass
maidencane
pennywort
knotgrass
giant reed or Phragmites

5 (a) Water Level Fluctuation? +' any number example: "+10"
(Maximum annual level or
feet above normal?)

5 (b) Months in which above occurs? Jan., Feb., March, etc. not March-May

5 (c) Duration of high water (weeks)? any integer

5 (d) Minimum annual level (feet "- any number" e.g. "-3"
below normal)?

5 (e) Duration of low water (weeks) any integer

5 (f) Total fluctuation (feet) any number
( = difference between minimum
and maximum water levels)

6 Estimated water clarity (feet) < 1 ft
(mean Secchi disc reading?) 1 - 2 ft
2 - 4 ft
4 - 8 ft
> 8 ft

6 (b) eliminate range of Secchi

7 Plant propagules? soil (seed bank)
seeds
fragments / cuttings
dormant tubers / rhizomes
whole plant - bare root
where do transplants go? whole plant - hand dug w/soil on roots
whole plant - container grown
whole plant - plugs

8 Plant source? wild stock
commercial collector
commercial nursery
government nursery

9 Planting month(s)? Jan, Feb, March etc. not Jan-March

10 Water temperature at planting (F)? any integer

11 Planting depth in water (feet) above water line
0 to 0.5
0.5 to 1.0
1.0 to 2.0
2.0 to 3.0
3.0 to 4.0
> 4.0

12 Predominate substrate? organic muck (unconsolidated)
peat
soft mud  same as 'clay/silt'
sand
hard sand
gravel / cobble / rock
hard pan

13 (a) Wave protection used, if any? None
unnecessary same as naturally present
tires
hay bales
silt fence

13 (b) and (c) eliminated (material used and yes/no)

14 (a) Herbivory protection used, if any? None
individual cages
larger scale exclosures same as fencing
rotenone

14 (b) Fencing material used, if any? wire mesh
plastic coated wire
snow fencing  same as wood/wire lattice
construction / orange plastic

15 eliminated yes - no

16 Monitoring period, if any? None
< 3 months
< 1 year
1 - 2 years
2 - 3 years
3 - 5 years
> 5 years

16 Results? do not constrain answer

17 Explanation: do not constrain answer

18 Comments and Recommendations do not constrain answer
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