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The Life History of Common Reed: Phragmites Australis (Cav.) Trin. Ex Steud.

Cheshier, J., & Madsen, J. D. (2011). The Life History of Common Reed: Phragmites Australis (Cav.) Trin. Ex Steud. Weed Science Society of America. Portland, OR.

Abstract

Common reed (Phragmites australis) is a non-native invasive perennial grass that is problematic in aquatic and riparian environments across the United States. The ability to reproduce quickly combined with its ability to cycle nutrients has made common reed an aggressive invader of aquatic environments. Common reed often forms monotypic stands that displace native vegetation which provide food and cover for wildlife. In order to help maintain native habitats and manage populations of common reed in the United States, an understanding of its life history and starch allocation patterns are needed. Using a 0.1 m2 quadrat, twelve biomass samples were taken from four sites in the Mobile River delta in southern Alabama every month from January to December for two consecutive years. Samples were separated into above and belowground biomass dried and weighed. Starch allocation was determined using the STA20 starch assay kit. Total biomass of common reed was greater in 2006 than in 2007 (t = 11.1, d.f. = 71, p


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