Disturbed regeneration of saplings of Korean fir (Abies koreana Wilson), an endemic tree species, in Hallasan National Park, a UNESCO Biosphere Reserve, Jeju Island, Korea

Kim, Eun-Shik; Oh, Choong hyeon; Park, Hong Chul; Lee, So Hee; Choi, Jin-Young; Lee, Sung-Hoon; Cho, Hong-Bum; Lim, Wontaek; Kim, Hyojung; Yoon, Young-Kyun

doi:10.1016/j.imic.2016.02.001

Cited by 15 publications

(21 citation statements)

References 43 publications

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“…Hallasan National Park, Jeju Island, Korea. Kim et al (2016) reported that there exist gaps in the regeneration of saplings and small understory trees for more than last two decades at 5 ha plot at this study site and suggested that there are two important time periods for the disturbance being made at the study site. We suggest that the results of this study support the argument that there exist even bigger gaps in the regeneration of seedlings of Korean fir at this 5 ha study site.…”

Section: Discussionmentioning

confidence: 79%

“…At the study site, Korean fir is the dominant tree species at the tree layer. Specifics of the vegetation composition including shrub layer and herbaceous layer are suggested by Kim et al (2016) and Lee (2016). The size for the study site is 5 ha.…”

Section: Study Area and Samplingmentioning

confidence: 99%

“…In this study, a seedling is identified as a small tree whose DBH is smaller than 2 cm and a sapling is identified as a tree whose DBH is equal to or larger than 2 cm and smaller than 10 cm, whose differentiation was adopted by Kim et al (2016).…”

Section: Study Area and Samplingmentioning

confidence: 99%

“…Taller trees are fallen dead blown by typhoons, which are frequent meteorological phenomena on the island. Some bigger trees are standing dead with the dieback of their branches and foliage with the reasons for the decline not well studied, yet (Kim 1994, 1996, Korea Forest Research Institute 2015, Kim et al 2016. As the trees are growing on shallow soils of volcanic bedrock, older trees are more vulnerable to wind fall and drought than younger trees.…”

Section: Introductionmentioning

confidence: 99%

“…A serious phenomenon observed on Korean fir forests is that there are almost no saplings of Korean fir with their diameter at breast heights (DBHs) less than 5 cm regenerated from the forests on the mountain (Kim et al 2016). This indicates that the natural regeneration of Korean fir is being severely disturbed at Korean fir forests and also suggests that seedling development in earlier stage could also have been disturbed seriously.…”

Section: Introductionmentioning

confidence: 99%

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Disturbance in seedling development of Korean fir (Abies koreana Wilson) tree species on higher altitude forests of Mt. Hallasan National Park, the central part of Jeju Island, Korea

Kim¹,

Lee²,

Choi³

et al. 2017

j ecology environ

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Background: Natural regeneration of seedlings as well as saplings of Korean fir has been significantly impacted by the browsing from the early stages of their development, potentially, by roe deer for the last two to three decades at the study site since late 1980s. This study was carried out to investigate current status of the disturbance in the seedling development of Korean fir (Abies koreana) on Mt. Hallasan, Jeju Island, Korea.Methods: Field survey was carried out during June and August in 2016 to measure the characteristics of study site and understory vegetation by applying systematic sampling to 125 plots of 5 m × 5 m quadrat located on eastern slope of the mountain. Correlation and regression analyses were applied to the variables quantified from the data sets using the SAS software.Results: No saplings with their diameters at breast heights smaller than 5.0 cm were found at the study site indicating the serious disturbance in the natural regeneration of Korean fir at the study site. No seedlings with their heights taller than 36.0 cm were found at the study site indicating even more serious disturbance during earlier stage of the natural regeneration of Korean fir at the study site. A total of 616 individuals of the seedlings of Korean fir were found at 54 out of 125 sampling plots. One hundred thirty-eight seedlings (22.4%) out of 616 individual seedlings have the vestiges for being grazed, potentially, by roe deer. Conclusions: Due considerations should be given to the effects of browsing of the seedlings by roe deer to promote the natural regeneration of Korean fir, ultimately to restore Korean fir. It is needed for the managers of the forest to install fences around the forest area. Exclosure experiments as well as enclosure experiments of different densities of browsing should be carried out. In addition, treatment with different densities of Jeju dwarf bamboo should also be included in the experiment on Mt. Hallasan National Park, Jeju Island, Korea.

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Section: Discussionmentioning

confidence: 79%

Section: Study Area and Samplingmentioning

confidence: 99%

Section: Study Area and Samplingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Disturbance in seedling development of Korean fir (Abies koreana Wilson) tree species on higher altitude forests of Mt. Hallasan National Park, the central part of Jeju Island, Korea

Kim¹,

Lee²,

Choi³

et al. 2017

j ecology environ

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Experience in Large-Sized Needle Fir (Abies Holophylla) Seedlings Cultivation in the Forest-Steppe Zone of Primorsky Krai

Gridnev

Gridneva

2023

XV International Scientific Conference “INTERAGROMASH 2022”

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Precision monitoring of radial growth of trees and micro-climate at a Korean Fir (Abies koreana Wilson) forest at 10 minutes interval in 2016 on Mt. Hallasan National Park, Jeju Island, Korea

et al. 2019

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To understand the dynamics of radial growth of trees and micro-climate at a site of Korean fir (Abies koreana Wilson) forest on high-altitude area of Mt. Hallasan National Park, Jeju Island, Korea, high precision dendrometers were installed on the stems of Korean fir trees, and the sensors for measuring micro-climate of the forest at 10 minutes interval were also installed at the forest. Data from the sensors were sent to nodes, collected to a gateway wireless, and transmitted to a data server using mobile phone communication system. By analyzing the radial growth data for the trees during the growing season in 2016, we can estimate that the radial growth of Korean fir trees initiated in late April to early May and ceased in late August to early September, which indicates that period for the radial growth was about 4 months in 2016. It is interesting to observe that the daily ambient temperature and the daily soil temperature at the depth of 20 cm coincided with the values of about 10°C when the radial growth of the trees initiated in 2016. When the radial growth ceased, the values of the ambient temperature went down below about 15°C and 16°C, respectively. While the ambient temperature and the soil temperature are evaluated to be the good indicators for the initiation and the cessation of radial growth, it becomes clear that radii of tree stems showed diurnal growth patterns affected by diurnal change of ambient temperature. In addition, the wetting and drying of the surface of the tree stems affected by precipitation became the additional factors that affect the expansion and shrinkage of the tree stems at the forest site. While it is interesting to note that the interrelationships among the micro-climatic factors at the forest site were well explained through this study, it should be recognized that the precision monitoring made possible with the application of high resolution sensors in the measurement of the radial increment combined with the observation of 10 minutes interval with aids of information and communication technology in the ecosystem observation.

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Disturbed regeneration of saplings of Korean fir (Abies koreana Wilson), an endemic tree species, in Hallasan National Park, a UNESCO Biosphere Reserve, Jeju Island, Korea

Cited by 15 publications

References 43 publications

Disturbance in seedling development of Korean fir (Abies koreana Wilson) tree species on higher altitude forests of Mt. Hallasan National Park, the central part of Jeju Island, Korea

Disturbance in seedling development of Korean fir (Abies koreana Wilson) tree species on higher altitude forests of Mt. Hallasan National Park, the central part of Jeju Island, Korea

Experience in Large-Sized Needle Fir (Abies Holophylla) Seedlings Cultivation in the Forest-Steppe Zone of Primorsky Krai

Precision monitoring of radial growth of trees and micro-climate at a Korean Fir (Abies koreana Wilson) forest at 10 minutes interval in 2016 on Mt. Hallasan National Park, Jeju Island, Korea

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