Tissue Hydrogen Peroxide Concentration Can Explain the Invasiveness of Aquatic Macrophytes: A Modeling Perspective.

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Date: Jan. 29, 2021
Publisher: Frontiers Research Foundation
Document Type: Article
Length: 463 words
Lexile Measure: 1370L

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Author(s): Takashi Asaeda, Md Harun Rashid, Jonas Schoelynck

In recent years, an invasive macrophyte, <italic>Egeria densa</italic>, has overwhelmingly colonized some midstream reaches of Japanese rivers. This study was designed to determine how <italic>E. densa</italic> has been able to colonize these areas and to assess the environmental conditions that limit or even prevent colonization. Invasive species (<italic>E. densa</italic> and <italic>Elodea nuttallii</italic>), and Japanese native species (<italic>Myriophyllum spicatum</italic>, <italic>Ceratophyllum demersum</italic>, and <italic>Potamogeton crispuss</italic>) were kept in experimental tanks and a flume with different environmental conditions. Tissue hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) concentrations were measured responding to either individual or multiple environmental factors of light intensity, water temperature, and water flow velocity. In addition, plants were sampled in rivers across...

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Gale Document Number: GALE|A650104098