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Invasive Hybrid Cattails

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Sam Twistol

on 2 May 2014

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Transcript of Invasive Hybrid Cattails

Puddle Ducks
Diving Ducks
Invasive Hybrid Cattails
Broad-Leaved Cattail
Prefer water from 5 to 18 inches

likes closed spaces with weeds


Wide open water

deeper water 4-10 feet

likes to eat fresh water shrimp

Run on water while getting up
Diving Ducks
Puddle Ducks
Stem is 1-3m tall
Mature leaves are 14-23mm wide
Reproduces sexually and asexually
Found in places where soil is wet, saturated, or flooded
Forms dense monocultures
Tolerant of continuous flooding
Hybrid Cattail
Stem is 2-3m tall
Mature leaves vary
Reproduces asexually and sexually
Can invade most wetland types
Harms of Hybrid Cattails
Harmful in all habitats
Alters soil structures
Increases primary productivity
Increases organic matter buildup
Reduces plant, insect, and bird diversity
Decreases seed bank diversity
Reduces waterfowl habitat
Narrow-Leaved Cattail
Stem is 1-3m tall
Mature leaves are 4-10mm
Reproduces sexually
Flowers early
Found in marshes, ponds and rivers, and ditches
Tolerates water up to 1ft. deep
Tolerates ruined wetlands
Dominant
Other
The Effects on Waterfowl
Dabbling and puddle ducks and their broods prefer wetlands with open marshes
Ducks seem to avoid wetlands with hybrid cattails
Reductions in height and density of tall emergent plants increase the breeding of ducks
Types of Waterfowl
Ducks
Geese
Other
The Effects on Waterfowl cont
Open-water areas dominate by submerged aquatic plants
Insects, molluscs and crustaceans are food for adult female ducks and their young
Duck brood increase the numbers of vegetation
Waterfowl feed in shallow water areas
Solutions
There are a few different solutions to manage cattails:
Chemicals
Diquat
Gyphosate
Burning and flooding
Chemical One: Diquat
Contact herbicide, which means that it only kills the portion of the plant that it touches. So covering the whole cattail is needed to eliminate it. Diquat does not travel through the plan and so that mean it doesn't reach the roots of the cattail. Since the root is not killed, new shoots will then grow the nexte year. Using diquat requires yearly applications
Chemical Two: Glyphosate
Systemic herbicide, which means that it travels throughout the plant killing the root and vegetative portions. One application to the cattail will eliminate it
Burning and Flooding
Burn half of the field one year let the other half flood. Every mile you build a dike; which is like a beaver damn so water doesn't go over the other side. Then the other half will be drained out and burned while the other side remains flooded. Then the next year, you reverse the process
Work Cited
Angeloni, N. L., K. J. Jankowski, N. C. Tuchman, and J. J. Kelly. 2006. Effects of an invasive
cattail species (Typha-x glauca) on sediment nitrogen and microbial community composition in a freshwater wetland. FEMS Microbiology Letters 263:86-92.

Boers, A. M., R. L. D. Veltman, and J. B. Zedler. 2007. Typha x glauca dominance and
extended hydroperiod constrain restoration of wetland diversity. Ecological Engineering 29:232-244.

Coluccy, J. M., and H. Shaw. 2009. Diving ducks: into the deep. https://www.ducks.org/conservation/waterfowl-biology/diving-ducks-into-the-deep, accessed 7 April 2014.

Kantrud, H. A. 2013. Cattail management symposium history of cattails on prairies: wildlife
impacts. http://www.npwrc.usgs.gov/resource/plants/cattail/kantrud.htm, accessed 18 March 2014.

Kuehn, M. M., J. E. Minor, and B. N. White. 1999. An examination of hybridization between
the cattail species Typha latifolia and Typha angustifolia using random amplified polymorphic DNA and chloroplast DNA markers. Molecular Ecology 8:1981-1990.

Linz, G. M. 2010. Use of glyphosate for managing invasive cattail (Typha spp.) to disperse blackbird (Icteridae) roots. Elsevier. 99:98-104.

Marburger, J. E., S. Windels, B. Kubatova, and S. E. Travis. 2010. Hybridization dynamics
of invasive cattail (Typhaceae) stands in the western Great Lakes region of North America: a molecular analysis. Journal of Ecology 98:7-16.

Selbo, S. M., and A. A. Snow. 2004. The potential for hybridization between Typha
angustifolia and Typha latifolia in a constructed wetland. Aquatic Botany 78:361.
Two Types of Ducks
Rise straight off the water when getting up
Like corn beans and seeds found on the bottom of lakes
Full transcript