Controlling invasive alien shrub species, enhancing biodiversity and mitigating flood risk: A win–win–win situation in grazed floodplain plantations

Demeter, László; Molnár, Ábel; Bede‐Fazekas, Ákos; Öllerer, Kinga; Varga, Andrea; Szabados, Klára; Tucakov, Marko; Kiš, Alen; Biró, Marianna; Marinkov, Jelena; Molnár, Zsolt

doi:10.1016/j.jenvman.2021.113053

Cited by 12 publications

(11 citation statements)

References 40 publications

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“…However, the clearance of Amorpha thickets only is not a solution for the ecological and hydrological problems, as their areal proportion is small, and the invasive Amorpha is common in every riparian forest type. Therefore, the proper management of the riparian vegetation (i.e., clearance of invasive plants) can result in flood level decrease [2,9,19,40], which is a target of lowland flood control but also can support the survival of native species [26,58]. It is also important to note that forests can effectively control the spread of invasive species, as under their closed canopy, the light conditions are not favorable for the growth of heliophylous invasive plants [57,58].…”

Section: Riparian Vegetation Types and Their Understory Density In The Study Areamentioning

confidence: 99%

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Riparian Vegetation Density Mapping of an Extremely Densely Vegetated Confined Floodplain

Fehérváry

Kiss

2021

Hydrology

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The most crucial function of lowland-confined floodplains with low slopes is to support flood conveyance and fasten floods; however, obstacles can hinder it. The management of riparian vegetation is often neglected, though woody species increase the vegetation roughness of floodplains and increase flood levels. The aims are (1) to determine the branch density of various riparian vegetation types in the flood conveyance zone up to the level of artificial levees (up to 5 m), and (2) to assess the spatial distribution of densely vegetated patches. Applying a decision tree and machine learning, six vegetation types were identified with an accuracy of 83%. The vegetation density was determined within each type by applying the normalized relative point density (NRD) method. Besides, vegetation density was calculated in each submerged vegetation zone (1–2 m, 2–3 m, etc.). Thus, the obstacles for floods with various frequencies were mapped. In the study area, young poplar plantations offer the most favorable flood conveyance conditions, whereas invasive Amorpha thickets and the dense stands of native willow forests provide the worst conditions for flood conveyance. Dense and very dense vegetation patches are common in all submerged vegetation zones; thus, vegetation could heavily influence floods.

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Section: Riparian Vegetation Types and Their Understory Density In The Study Areamentioning

confidence: 99%

“…Therefore, it is necessary to control invasive species on the floodplain both from ecological and hydrological perspectives. Ecologists suggest cattle grazing as an effective practice [26], providing more favorable habitats for native species and thus restoring the original flow conditions of the floodplain.…”

Section: Introductionmentioning

confidence: 99%

Riparian Vegetation Density Mapping of an Extremely Densely Vegetated Confined Floodplain

Fehérváry

Kiss

2021

Hydrology

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“…The planting experiment of the cut‐away stems shows that A. fruticosa developed new roots and sprouts (Doroftei et al, 2005 ). Szigetvári ( 2002 ) and Demeter et al ( 2021 ) demonstrated that the best results of control in floodplain meadows and poplar plantations affected by A. fruticosa are achieved by applying continuous moderate or intensive cattle grazing. The plant is considered unpalatable for most invertebrates except for A. pallidipennis seed predators, but ruminants feed on its leaves and young shoots (Szigetvári, 2002 ).…”

Section: Prevention and Spreading Control (Biological Chemical And Me...mentioning

confidence: 99%

“…In addition, in circumstances where A. fruticosa transforms soil the best results, concerning its control and revegetation with native vegetation, could be achieved until overgrowth with A. fruticosa reaches an intermediate stage since native vegetation can still develop undisturbed (Pellegrini et al, 2021 ). After applying measures for A. fruticosa control, it is necessary to strengthen natural communities by colonizing native species (Demeter et al, 2021 ; Szigetvári, 2002 ). In addition, to keep achieved results sustainable, it is necessary to constantly mow twice a year, practice continuous grazing, or apply other control measures.…”

Section: Prevention and Spreading Control (Biological Chemical And Me...mentioning

confidence: 99%

“…In addition, to keep achieved results sustainable, it is necessary to constantly mow twice a year, practice continuous grazing, or apply other control measures. Especially, the best results of control in floodplain meadows and poplar plantations affected by A. fruticosa are achieved by applying continuous moderate or intensive cattle grazing (Demeter et al, 2021 ; Kus Veenvliet, 2021 ). Such efforts are essential in preventing seeds setting and plants regeneration from sprouts (Szigetvári, 2002 ).…”

Section: Prevention and Spreading Control (Biological Chemical And Me...mentioning

confidence: 99%

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A review on invasive false indigo bush (Amorpha fruticosaL.): Nuisance plant with multiple benefits

Grabić

Ljevnaić‐Mašić

Zhan

et al. 2022

Ecology and Evolution

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Increased mobility of people around the globe has facilitated transferring species to new environments, where some have found suitable conditions and even become invasive. False indigo‐bush (Amorpha fruticosa L.) is a plant native to North America but has intentionally or unintentionally spread over the Northern Hemisphere, where it often becomes invasive. The plant is especially easily dispersed within the watersheds of large rivers, where seasonal flooding is regular. Seeds and other propagules are buoyant, and when the water recedes, new plants emerge, forming dense thickets where only a few other species can co‐exist. In order to sustain native biodiversity, spread control is needed. However, mechanical control and eradication measures currently in use are labor demanding and costly, while application of herbicides is limited. On the other hand, the plant possesses a number of beneficial properties, such as phytochemical applications (medical and insecticidal effects), biocoenotic uses (honey plant, ornamental features), and ecosystem services (soil stabilization, provision of food for animals, and fiber and biomass for industry, e.g., nanocellulose). For the reasons above mentioned, the plant is considered quite controversial, and the paper discusses both aspects: potential detrimental effects when introduced to new habitats and its beneficial uses for human society. In addition, the paper presents alternative measures of spreading control (e.g., grazing) and argues that exploiting it for beneficial purposes might help spread control, thus covering the expenses of controlling its distribution.

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Assessment and potential of ecosystem services of ornamental dendroflora in public green areas

Pušić

Narandžić

Ostojić

et al. 2022

Environ Sci Pollut Res

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Controlling invasive alien shrub species, enhancing biodiversity and mitigating flood risk: A win–win–win situation in grazed floodplain plantations

Cited by 12 publications

References 40 publications

Riparian Vegetation Density Mapping of an Extremely Densely Vegetated Confined Floodplain

Riparian Vegetation Density Mapping of an Extremely Densely Vegetated Confined Floodplain

A review on invasive false indigo bush (Amorpha fruticosaL.): Nuisance plant with multiple benefits

Assessment and potential of ecosystem services of ornamental dendroflora in public green areas

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