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http://dx.doi.org/10.17820/eri.2019.6.3.163

β-Glucan- and Xanthan gum-based Biopolymer Stimulated the Growth of Dominant Plant Species in the Korean Riverbanks  

Jeong, Hyungsoon (School of Earth Sciences and Environmental Engineering, Gwanju Institute of Science and Technology)
Jang, Ha-Young (School of Earth Sciences and Environmental Engineering, Gwanju Institute of Science and Technology)
Ahn, Sung-Ju (Department of Bioenergy Science and Technology, Chonnam National University)
Kim, Eunsuk (School of Earth Sciences and Environmental Engineering, Gwanju Institute of Science and Technology)
Publication Information
Ecology and Resilient Infrastructure / v.6, no.3, 2019 , pp. 163-170 More about this Journal
Abstract
The civil engineering materials used to stabilize the slopes of new riverbanks have a great impact on the types and growth of vegetation introduced after the completion of construction procedure. Recently, microbial-derived, ${\beta}$-glucan- and xanthan gum-based biopolymers are attracting attention as an ecofriendly strengthening material of riverbanks that can possibly stimulate plant growth. This study aimed to assess ecological effects of biopolymer application on native plants in Korean riverbanks. In particular, since dominant plant species could shape characteristics of an ecosystem, we examined the effects of biopolymer on the dominant plant species in riverbanks. Overall, biopolymer did not affect seed germination rates of testing plant species. In contrast, plants grew more vigorously in the soil mixed with biopolymer compared to those in the control soil. The biomass of Echinochloa crus-galli especially increased around two times more in the biopolymer treatment. Plants produced heavier root biomass and leaves with larger specific leaf area, which possibly contributes to the tolerance of environmental stress like drought. These results suggest that biopolymers treated on river banks are expected to stimulate plant growth and increase stress tolerance of domestic dominant plant species.
Keywords
Biopolymer; Dominant plant species; Growth; Riverbank;
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Times Cited By KSCI : 3  (Citation Analysis)
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