Distribution and Management of the Invasive Exotic Species Ambrosia Trifida and Sicyos Angulatus in the Seoul Metropolitan Area

Kim, Kee Dae

doi:10.12911/22998993/76216

Cited by 10 publications

(4 citation statements)

References 7 publications

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“…They have spread widely in the country, particularly in riparian areas, open spaces, and roadsides (Asaeda et al, 2011; Osawa et al, 2013) and are ranked as one of the 16 most invasive plant species (Muranaka et al, 2005). The harmful and invasive nature of burcucumbers has also been reported in Europe (EPPO, 2010), Turkey (Önen et al, 2018), and Korea (Kim, 2017; Oh et al, 2015).…”

Section: Introductionmentioning

confidence: 91%

Pollination biology of Sicyos angulatus: An invasive plant primarily pollinated by the native insects and introduced honeybee Apis mellifera

Arifin

Okamoto

2023

Plant Species Biology

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Burcucumber (Sicyos angulatus), first introduced in 1952 from North America to Japan, has recently become a seriously invasive alien species that has spread nationwide. The pollination mode is likely to play a crucial role in seed production and invasion. Burcucumbers have been characterized as self‐compatible flowers with distinct anthers and stigmas, indicating pollen vector‐mediated pollination. In this study, we aimed to describe the floral biology of burcucumbers and clarify their relationships with pollinators. We found that: (1) primarily native insects (at least 70 species) repeatedly visited burcucumbers, both during the day and night; (2) in terms of visitation frequency and pollen‐carrying load, honeybees, vespid wasps, and hoverflies were the most important diurnal pollinators, followed by sphingid and noctuid moths as nocturnal ones; and (3) the production of highly concentrated nectar as floral reward coupled with floral scents, predominantly aliphatic compounds such as heptanal and hexanol, may mediate the visitation of floral visitors. Our observations confirmed that burcucumber visitation is dominated by native pollinators, indicating the integration of burcucumbers into native pollinator webs. Our findings highlight the significance of a generalized pollination system in alien plants to overcome reproductive failure within a new region.

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Section: Introductionmentioning

confidence: 91%

Pollination biology of Sicyos angulatus: An invasive plant primarily pollinated by the native insects and introduced honeybee Apis mellifera

Arifin

Okamoto

2023

Plant Species Biology

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“…These species readily colonize disturbed areas by producing a large number of seeds. In Korea, A. artemisiifolia was introduced during the Korean War, but it was reported first in 1968; presently, it is distributed evenly throughout the country (Kim, 2017). Additionally, A. artemisiifolia thrives on roadsides as well as in farmlands.…”

Section: Introductionmentioning

confidence: 99%

Modeling the distribution of invasive species (Ambrosia spp.) using regression kriging and Maxent

et al. 2022

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Invasion by non-native species due to human activities is a major threat to biodiversity. The niche hypothesis for invasive species that rapidly disperse and disturb ecosystems is easily discarded owing to eradication activities or unsaturated dispersal. Here, we used spatial and non-spatial models to model the distribution of two invasive plant species (Ambrosia artemisiifolia and Ambrosia trifida), which are widely distributed, but are also being actively eradicated. Regression kriging (RK) and Maxent were used to predict the spatial distribution of the two plant species having eradication targets for decades in South Korea. In total, 1,478 presence/absence data points in the Seoul metropolitan area (∼11,000 km2 in northeastern South Korea) were used. For regression kriging, the presence/absence data were first fitted with environmental covariates using a generalized linear model (GLM), and then the residuals of the GLM were modeled using ordinary kriging. The residuals of GLM showed significant spatial autocorrelation. The spatial autocorrelation was modeled using kriging. Regression kriging, which considers the spatial structure of data, yielded area under the receiver operating curve values of 0.785 and 0.775 for A. artemisiifolia and A. trifida, respectively; however, the values of Maxent, a non-spatial model, were 0.619 and 0.622, respectively. Thus, regression kriging was advantageous as it considers the spatial autocorrelation of the data. However, species distribution modeling encounters difficulties when the current species distribution does not reflect optimal habitat conditions (the niche habitat preferences) or when colonization is disturbed by artificial interference (e.g., removal activity). This greatly reduces the predictive power of the model if the model is based solely on the niche hypotheses that do not reflect reality. Managers can take advantage of regression modeling when modeling species distributions under conditions unfavorable to the niche hypothesis.

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“…This species grows faster than crops such as corn, rice, ginseng, soybeans, and potatoes, and not only consumes agricultural nutrients more quickly but also covers up the plants, disrupting photosynthesis, resulting in economic losses in terms of crop yield and management [12]. S. angulatus is listed as an invasive exotic plant by the Korean Ministry of Environment, and many efforts are being made to remove and prevent spread [13]. In general, invasive plants can be controlled by herbicide spraying, cutting, and burning, but these control methods incur treatment costs and lead to soil and air pollutions.…”

Section: Introductionmentioning

confidence: 99%

Improved Glucose Recovery from Sicyos angulatus by NaOH Pretreatment and Application to Bioethanol Production

Lee

Jang

et al. 2021

Processes

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As greenhouse gases and environmental pollution become serious, the demand for alternative energy such as bioethanol has rapidly increased, and a large supply of biomass is required for bioenergy production. Lignocellulosic biomass is the most abundant on the planet and a large part of it, the second-generation biomass, has the advantage of not being a food resource. In this study, Sicyos angulatus, known as an invasive plant (harmful) species, was used as a raw material for bioethanol production. In order to improve enzymatic hydrolysis, S. angulatus was pretreated with different NaOH concentration at 121 °C for 10 min. The optimal NaOH concentration for the pretreatment was determined to be 2% (w/w), and the glucan content (GC) and enzymatic digestibility (ED) were 46.7% and 55.3%, respectively. Through NaOH pretreatment, the GC and ED of S. angulatus were improved by 2.4-fold and 2.5-fold, respectively, compared to the control (untreated S. angulatus). The hydrolysates from S. angulatus were applied to a medium for bioethanol fermentation of Saccharomyces cerevisiae K35. Finally, the maximum ethanol production was found to be 41.3 g based on 1000 g S. angulatus, which was 2.4-fold improved than the control group.

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Distribution and Management of the Invasive Exotic Species Ambrosia Trifida and Sicyos Angulatus in the Seoul Metropolitan Area

Cited by 10 publications

References 7 publications

Pollination biology of Sicyos angulatus: An invasive plant primarily pollinated by the native insects and introduced honeybee Apis mellifera

Pollination biology of Sicyos angulatus: An invasive plant primarily pollinated by the native insects and introduced honeybee Apis mellifera

Modeling the distribution of invasive species (Ambrosia spp.) using regression kriging and Maxent

Improved Glucose Recovery from Sicyos angulatus by NaOH Pretreatment and Application to Bioethanol Production

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