Distribution Pattern of Eupatorium rugosum in Various Forest Types and Soils in Mt. Namsan

길지현,; Shim, Kew Cheol; 전영문,; 이호준,

doi:10.5141/jefb.2004.27.5.291

Cited by 4 publications

(7 citation statements)

References 2 publications

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“…Correlation coefficients of coverage, density, and importance value of A. altissima with relative light intensity (%), litter depth (cm), soil moisture content (%), soil gravel content (%), and soil pH respondingly greater abundance of A. altissima was found as light availability increased. Kil et al (2004) and Jeong (2005) found similar results. Parendes and Jones (2000) concluded that the availability of light on trails increases opportunity for establishment of invasive species.…”

Section: Discussionmentioning

confidence: 58%

“…Namsan, which found greater abundance within valleys rather than on ridges (Suh et al, 1997;Kil et al, 2004), study of A. altissima abundance and distribution at Mt. Umyeon indicated more prolific establishment occurred on ridges than in valleys.…”

Section: Discussionmentioning

confidence: 99%

“…Lee et al (2004) reported that A. altissima showed a sharp increase in density when the canopy coverage of tree and subtree layers is greater than 50%. Whereas, significant positive correlation between A. altissima coverage and light intensity and significant negative correlation between A. altissima coverage and dominant tree coverage were found by Kil et al (2004). Jeong (2005) …”

Section: Introductionmentioning

confidence: 96%

“…A. altissima at Mt. Namsan has been found to be most abundant around trails and valleys where openings in canopy cover provide for greatest light availability (Suh et al, 1997;Kil et al, 2004). However, the relationship between distribution of A. altissima and light condition is controversial.…”

Section: Introductionmentioning

confidence: 99%

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Distribution Pattern of Ageratina altissima Along Trails at Mt. Umyeon in Seoul, Korea

Kim¹,

Jang²,

Park³

2014

Korean Journal of Agricultural and Forest Meteorology

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Ageratina altissima is an invasive plant species known to threaten native plant communities in Korea. A. altissima is thought to invade shady forests from disturbed open areas; however, uncertainty remains as to how shade and litter depth might affect establishment. A study of A. altissima distribution characteristics in areas adjacent to trails was undertaken at Mt. Umyeon in Seoul, Korea. Increasing densities of A. altissima were found to correlate with greater light availability and decreasing litter depth (p < 0.001) within 10 m distance from trail locations and on ridges rather than further within forests and valleys. The effects of soil moisture content, soil gravel content and soil pH on distribution were not found to be significant, suggesting that A. altissima is adaptable to a broad range of soil conditions. Results indicate that forest areas close to trails may be particularly susceptible place to A. altissima invasion, demonstrating the need to carefully consider implications for A. altissima expansion in trail management.

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Section: Discussionmentioning

confidence: 58%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Distribution Pattern of Ageratina altissima Along Trails at Mt. Umyeon in Seoul, Korea

Kim¹,

Jang²,

Park³

2014

Korean Journal of Agricultural and Forest Meteorology

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“…The successful distribution of an IAS depends on the level of invasion and the suitability of the invaded habitat. Until now, research on Ageratina altissima in Korea has focused on the physiological and geographic aspects of its distribution in specific regions [20,21]. Importantly, these previous studies reported that Ageratina altissima was mainly distributed in cities.…”

Section: Study Speciesmentioning

confidence: 99%

Introduction and Spread of the Invasive Alien Species Ageratina altissima in a Disturbed Forest Ecosystem

2021

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Invasive alien species (IAS) not only displace nearby indigenous plants and lead to habitat simplification but also cause severe economic damage by invading arable lands. IAS invasion processes involve external forces such as species characteristics, IAS assemblage traits, environmental conditions, and inter-species interactions. In this study, we analyzed the invasion processes associated with the introduction and spread of Ageratina altissima, a representative invasive plant species in South Korea. We investigated 197 vegetation quadrats (2 × 20 m) in regions bordering 47 forests in southern Seoul and Gyeonggi-do, South Korea. A total of 23 environmental variables were considered, which encompassed vegetation, topography, land use, and landscape ecology indices. The model was divided into an edge and an interior model and analyzed using logistic regression and a decision tree (DT) model. The occurrence of Ageratina altissima was confirmed in 61 sites out of a total of 197. According to our analysis, Ageratina altissima easily invaded forest edges with low density. The likelihood of its occurrence increased with lower elevation and gentler slope. In contrast, the spread of Ageratina altissima in the forest interior, especially based on seed spread and permeability, was favored by a lower elevation and gentler slopes. The analysis of Ageratina altissima settlement processes in forest edges coupled with the DT model demonstrated that land characteristics, such as the proximity to urbanized areas and the number of shrub and tree species, play a pivotal role in IAS settlement. In the forest interior, Ageratina altissima did not occur in 68 of the 71 sites where the soil drainage was under 2.5%, and it was confirmed that the tree canopy area had a significant impact on forest spread. Based on these results, it can be assumed that Ageratina altissima has spread in South Korean forests in much the same way as other naturalized species. Therefore, vegetation management strategies for naturalized species should be developed in parallel with land use management policy in regions surrounding forest edges to successfully manage and control Ageratina altissima invasion.

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Definition of Invasive Disturbance Species and its Influence Factor: Review

Kim¹,

Song²,

Yoon³

et al. 2016

Journal of the Korea Society of Environmental Restoration Techn

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Distribution Pattern of Eupatorium rugosum in Various Forest Types and Soils in Mt. Namsan

Cited by 4 publications

References 2 publications

Distribution Pattern of Ageratina altissima Along Trails at Mt. Umyeon in Seoul, Korea

Distribution Pattern of Ageratina altissima Along Trails at Mt. Umyeon in Seoul, Korea

Introduction and Spread of the Invasive Alien Species Ageratina altissima in a Disturbed Forest Ecosystem

Definition of Invasive Disturbance Species and its Influence Factor: Review

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