Early Dynamics of Plant Communities on Revegetated Motorway Slopes from Southern Spain: Is Hydroseeding Always Needed?

Matesanz, Silvia; Valladares, Fernando; Tena, David; Costa-Tenorio, M.; Bote, Daniel Izquierdo

doi:10.1111/j.1526-100x.2006.00132.x

Cited by 70 publications

(97 citation statements)

References 31 publications

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“…Many revegetation applications seek to stabilize barren slopes as a result of urban development and/or road construction. Among the many slope revegetation options available, hydroseeding has been widely applied on large and steep slopes in temperate climates [1][2][3]. Many slope stability analyses conducted by multi-disciplinary experts show that hydroseeding has become the representative application for damaged slopes in South Korea.…”

Section: Introductionmentioning

confidence: 99%

Utilizing the Analytic Hierarchy Process to Establish Weighted Values for Evaluating the Stability of Slope Revegetation based on Hydroseeding Applications in South Korea

et al. 2016

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Abstract:The aim of this study was to identify the major variables identified as important for considering the stabilization of slope revegetation based on hydroseeding applications and evaluate weights of each variable using the analytic hierarchy process (AHP) with both environmental experts and civil engineers. Twenty-five variables were selected by the experts' survey from a total of 65 from the existing literature, with each variable considered as an important factor for slope stabilization in South Korea. The final results from the AHP method showed that variables associated with the driving force of water resources showed higher values in all expert groups such as rain intensity, seepage water and drainage condition. Other important variables were related to plant growth such as vegetation community, vegetation coverage and quality of soil ameliorant produced in an artificial factory such as tensile strength, permeability coefficient, soil texture and organic matter. The five highest-ranked variables that satisfied both environmental experts and civil engineers were rain intensity, seepage water, slope angle, drainage condition and ground layer. The findings of this research could be helpful for developing a more accurate rating system to evaluate the stability of slope revegetation.

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Section: Introductionmentioning

confidence: 99%

Utilizing the Analytic Hierarchy Process to Establish Weighted Values for Evaluating the Stability of Slope Revegetation based on Hydroseeding Applications in South Korea

et al. 2016

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“…Many studies in Mediterranean climates such as in Spain and Italy related to the vegetation variables have focused on the growth of herbs and shrubs [56,57]; otherwise, in temperate climates such as in South Korea, China, and Japan attempts were made at introducing tree usage to protect damaged slopes [1,5,58]. However, their studies, regardless of regional areas, found that leguminous, compositae, and graminaceous plants could adapt a revegetated slope well [6]. This study also showed similar results but we suggested that excessive dominance by a specific species such as Artemisia princeps var.…”

Section: Vegetation Propertiesmentioning

confidence: 99%

“…Slope revegetation works have been widely implemented on large and steep slopes in temperate zones [6,11,12]. However, revegetated slopes frequently fail due to heavy rain and drought [13].…”

Section: Introductionmentioning

confidence: 99%

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Comparing Potential Unstable Sites and Stable Sites on Revegetated Cut-Slopes of Mountainous Terrain in Korea

et al. 2015

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This study employs a diverse set of variables to explain slope stabilization on stable versus failure-prone revegetated cut-slopes in Korea. A field survey was conducted at potential unstable sites and stable sites using 23 variables. Through a non-parametric test of the field survey results, 15 variables were identified as primary determinants of slope failure. Of these variables, one described physical characteristics (elapsed year); four variables described vegetation properties (plant community, vegetation coverage rate, number of trees, and number of herbs); and 10 variables represented soil properties (porosity, soil hardness, water content, sand ratio and silt ratio of soil texture, tensile strength, permeability coefficient, soil depth, soil acidity, salt concentration, and organic matter). Slope angle, which was mainly considered in previous studies, of variables in physical characteristics was OPEN ACCESSSustainability 2015, 7 15320 not statistically selected as one of the 15 variables because most of sites were located on steep slopes. The vegetation community, vegetation coverage, and number of trees influence slope stabilization. Vegetation coverage is highly correlated with other soil and vegetation variables, making it a major indicator of slope stabilization. All soil variables were related to slope failure such that subsequent slope failure was related to the method of slope revegetation rather than the environmental condition of the slope. Slope failure did not occur in revegetated slopes that matched the characteristics of the surrounding landscape and contained a large number of native trees. Most soil and vegetation variables showed differing values for whether a revegetated slope is potentially unstable or stable.

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“…Matesanz et al, 2006). Thus, despite the successful use of planting 70 as a restoration technique for gypsum habitats (e.g.…”

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Enhancing seedling production of native species to restore gypsum habitats

Cañadas

Ballesteros

Foronda

et al. 2015

Journal of Environmental Management

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Gypsum habitats are widespread globally and are important for biological conservation. 20Nevertheless, they are often affected by human disturbances and thus require restoration. Sowing and planting have shown positive results, but these actions are 22usually limited by the lack of native plant material in commercial nurseries, and very little information is available on the propagation of these species. We address this 24issue from the hypothesis that gypsum added to a standard nursery growing medium (peat) can improve seedling performance of gypsum species and, therefore, optimise 26 the seedling production for outplanting purposes. We test the effect of gypsum on emergence, survival, and growth of nine native plant species, including gypsophiles 28 (exclusive to gypsum) and gypsovags (non-exclusive to gypsum). We used four treatments according to the proportions, in weight, of gypsum:standard peat, i.e. high-g 30 (50:50), medium-g (25:75), low-g (10:90), and standard-p (0:100).Our results showed that the gypsum treatments especially benefited the 32 emergence stage, gypsophiles as group, and Ononis tridentata as a taxon. In particular, the gypsum treatments enhanced emergence of seven species, survival of 34 three species, and growth of two gypsophiles, while the use of the standard peat favoured only the emergence or growth of three gypsovags. Improving emergence and 36 survival in the nursery can provide a reduction of costs associated with seed harvesting, watering, and space, while enlarging seedlings can favour the 38 establishment of individuals after outplanting. Thus, we suggest adding gypsum to a standard growing medium for propagating seedlings in species from gypsum habitats, 40 thereby potentially cutting the costs of restoring such habitats. Our assessment enables us to provide particular advice by species. In general, we recommend using between 42 25 and 50% of gypsum to propagate gypsophiles, and between 0 and 10% for gypsovags. The results can benefit not only the production of widely distributed species 44 commonly affected by gypsum quarrying, but also of narrow and threatened endemic species that require particularly efficient use of their seeds. In addition, our study 46 shows the importance of using an appropriate growing medium to propagate plants characteristic of special soils such as gypsum soils. 48

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Early Dynamics of Plant Communities on Revegetated Motorway Slopes from Southern Spain: Is Hydroseeding Always Needed?

Cited by 70 publications

References 31 publications

Utilizing the Analytic Hierarchy Process to Establish Weighted Values for Evaluating the Stability of Slope Revegetation based on Hydroseeding Applications in South Korea

Utilizing the Analytic Hierarchy Process to Establish Weighted Values for Evaluating the Stability of Slope Revegetation based on Hydroseeding Applications in South Korea

Comparing Potential Unstable Sites and Stable Sites on Revegetated Cut-Slopes of Mountainous Terrain in Korea

Enhancing seedling production of native species to restore gypsum habitats

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