Typha Latifolia versus Phragmites Australis.
AuthorCross, Michael A.
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AbstractPhragmites australis and Typha latifolia rhizomes were planted in a factorial experiment under a number of intra- and inter-specific competition scenarios, two salinities and three moisture levels. Typha rhizome mortality was 100% and Phragmites rhizome mortality was 64%. Phragmites plants were not significantly different in final height or biomass across density, salinity or moisture treatments. Typha rhizomes were planted into Phragmites patches with five and monitored for two seasons. At Bonita Swamp all of the Typha rhizomes survived and sprouted. There were no clear differences in Typha cover, density or height between treatments. At Presque Isle all of the rhizomes in the Phragmites removal treatments sprouted but the rhizomes did not sprout in the plots without Phragmites removal At Tifft none of the Typha rhizomes sprouted. Also, at these three wetlands plots were monitored at the boundary between Phragmites and Typha patches and monitored for two years. Over that time little spread of the species occurred. The short duration of field observations renders conclusions difficult to make but the results do support the possibility that Typha rhizomes can be planted into Phragmites patches as part of a restoration project.
- Master's Theses 
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