Literature Review - Vegetation on Levees

Corcoran, Maureen K.; Gray, Donald H.; Biedenharn, David S.; Little, Charles D.; Leech, James R.; Pinkard, Freddie; Bailey, Pamela; Lee, Landris T.

doi:10.21236/ada548189

Cited by 6 publications

(6 citation statements)

References 31 publications

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“…In civil engineering, understanding root development is essential for the safety of hydraulic structures such as river dikes and dams. Hydraulic structures built with earth fill (often silty) may be degraded by woody vegetation growing on them (Corcoran et al, 2010;Vennetier et al, 2015aVennetier et al, , 2015bZanetti et al, 2009. The main coarse roots, especially those that cross the structure, are the most dangerous: they form a hole during their decomposition, inducing internal erosion that may lead to a breach (Foster et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

Improvement of coarse root detection using time and frequency induced polarization: from laboratory to field experiments

et al. 2017

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Section: Introductionmentioning

confidence: 99%

Improvement of coarse root detection using time and frequency induced polarization: from laboratory to field experiments

et al. 2017

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“…Except for planted species, the most commonly discovered plant species on the slopes of dams were pioneer species, mantle vegetation species, and secondary herb vegetation species. The highest number of species discovered on the slope belonged to Asteraceae, which appear in barren environments, such as flood plains [49,54]. Over 30% of the species were of plant families discovered in cultivated lands, such as rice paddies, dry fields, and orchards, including Poaceae (34 taxa, 8.6%), Fabaceae (29 taxa, 7.3%), and Rosaceae (22 taxa, 5.5%).…”

Section: Discussionmentioning

confidence: 99%

“…Among immigration species, Miscanthus sinensis, Clematis apiifolia, Humulus japonicus, and Equisetum arvense were observed at all of the dams, and all tended to appear in places where periodic and strong human interventions were made, such as vacant land, dumping grounds, waterfront areas of streams, secondary herb vegetation, etc. [49][50][51].…”

Section: Analysis Of Species Diversitymentioning

confidence: 99%

Comparative Study on Flora Characteristics and Species Diversity on Dam Slopes for Sustainable Ecological Management: Cases of Eight Dams in Korea

Bahn

Kim²,

Choi

2021

Land

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Dams are gray infrastructure, providing various benefits such as flood control, water supply, and power generation. In order to create the next generation of infrastructure that explores how nature can act as infrastructure to meet development and ecological sustainability, artificial plantings have been attempted on dam slopes in Korea since 2000. As the planted trees are now stabilized to form a forest, it is time to study the floral characteristics and functions for effective ecological management and the safety of the dams. In this study, we investigated and analyzed flora in the slopes of eight dams in Korea. The comparative study of the whole flora in both the planted zones of the slopes of dams and left and right forests of dams revealed that the number of plant species was higher in the planted zones than in the left and right forests of the same size area. The plant family containing the greatest number of species in the slopes was Asteraceae, followed by Poaceae, Fabaceae, and Rosaceae. Currently, the community structures and families in the slopes of dams exhibit the characteristics of habitats in the initial stage of vegetation succession. Our investigation of planted species and immigration species in the slopes revealed that the latter comprised 89.9%. An average of 34.4% of species were interacting with the dam slope and the left and right forests. The species diversity index on dam slopes showed a tendency to be higher as the number of planted species increased and the period time increased. Average growth heights of planted trees were identified as 0.5–1.6 m for the shrubs layer, 3.5–4.5 m for the small trees layer, and 6.0–7.2 m for the trees layer. The heights of major trees, including Pinus densiflora, Quercus spp., Prunus sargentii, Styrax japonicus, and Cornus controversa, were similar to or higher than those of their counterparts in natural forests. As a result, dam slopes were similar to natural forests, having potential as habitats for various flora. To harmoniously maintain the ecological health and safety of water resource facilities of the slopes of dams, however, it is necessary to conduct periodic and various investigations on changes of the flora and growth of trees, and actively manage them.

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“…To date, only a careful extraction of tree root system allows checking this information, which is very expensive, binding in terms of security and sometimes impossible without a full renovation of the dike. Research programs offer strands on the contribution of geophysical methods applied to hydraulic structures (Corcoran et al, 2010). Geophysical methods are commonly used to explore soil heterogeneities, nevertheless, given the complex variety of soil properties composing earth dikes, these non-destructive methods have to be adapted and improved in order to obtain an accurate but cheaper map of coarse roots.…”

Section: Context and Backgroundmentioning

confidence: 99%

Mapping tree root system in dikes using induced polarization: Focus on the influence of soil water content

Mary

Saracco

Peyras³

et al. 2016

Journal of Applied Geophysics

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Literature Review - Vegetation on Levees

Cited by 6 publications

References 31 publications

Improvement of coarse root detection using time and frequency induced polarization: from laboratory to field experiments

Improvement of coarse root detection using time and frequency induced polarization: from laboratory to field experiments

Comparative Study on Flora Characteristics and Species Diversity on Dam Slopes for Sustainable Ecological Management: Cases of Eight Dams in Korea

Mapping tree root system in dikes using induced polarization: Focus on the influence of soil water content

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