2008
DOI: 10.1002/rra.1128
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Effects of spates of different magnitudes on a Phragmites japonica population on a sandbar of a frequently disturbed river

Abstract: In flow-regulated rivers, natural flow patterns and related sedimentation processes are disturbed, thus interrupting the magnitude and duration of spates. We hypothesized that this in turn might alter the impact of spates on plant communities inhabiting sandbars along the river channel. In order to test this hypothesis, the effects of spates of different magnitudes and durations on spatial variation and composition of a Phragmites japonica Steud. community on a sandbar during a 2-year period were investigated.… Show more

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Cited by 24 publications
(21 citation statements)
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“…Riverine landscapes that have been subject to a moderate duration of inundation accumulate fine sediment, even at low-inundation depths (Steiger et al, 1998;Gurnell and Petts, 2002;Richards et al, 2002;Asaeda and Rajapakse, 2008), but this accumulation may be highly affected by local morphology (Gurnell and Petts, 2002;Gilvear and Willby, 2006;Asaeda and Rajapakse, 2008). The accumulated sediment contains high levels of moisture and nutrients, making these areas more conducive to plant colonization.…”
Section: Discussionmentioning
confidence: 98%
“…Riverine landscapes that have been subject to a moderate duration of inundation accumulate fine sediment, even at low-inundation depths (Steiger et al, 1998;Gurnell and Petts, 2002;Richards et al, 2002;Asaeda and Rajapakse, 2008), but this accumulation may be highly affected by local morphology (Gurnell and Petts, 2002;Gilvear and Willby, 2006;Asaeda and Rajapakse, 2008). The accumulated sediment contains high levels of moisture and nutrients, making these areas more conducive to plant colonization.…”
Section: Discussionmentioning
confidence: 98%
“…Most of R. pseudoacacia seemed to be intact in the area higher than 3 m in the 1999 flood, although, in the September 2007 flood, a significant fraction of R. pseudoacacia was washed away with 0.5 m of erosion (Asaeda et al, 2009a). It should be noted that even though the flood level did not differ much, the erosion was significant only in the September 2007 flood but not in the August 1999 flood (Asaeda and Rajapakse, 2008).…”
Section: Past Recruitment Of Treesmentioning
confidence: 91%
“…Floods represent major disturbances that influence the riparian plant communities (Nilsson, 1987;Giller and Malmqvist, 1998) by washing away herbs (Asaeda and Rajapakse, 2008) and trees (Asaeda et al, 2009a).…”
Section: Introductionmentioning
confidence: 99%
“…Otherwise, Erigeron Canadensis L. is common in grasslands and in most disturbed sites, including riparian and wetland areas, but it does not belong to macrophytes species and is vulnerable to submersion. Therefore, all of them except hydrophilic vegetation are highly dependent on the frequency, depth and duration of inundation (Asaeda and Rajapakse 2008), and plant communities are also vulnerable when the IEP goes under the P = 0.08 IEP district, or seems to be transit to hydrophilic vegetation, such as Phragmites japonica Steud. Since the right bank of the study area has the probability that can be disrupted by flooding and submersion (Dauer et al 2007), the area needs further monitoring and investigation in order to understand continuous plant succession.…”
Section: Results and Discussion: Hydrological Regime Using Ieps And Vmentioning
confidence: 99%