• Journal of Forest and Environmental Science
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• v.14 no.1
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• pp.60-88
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• 1998

Mt. Cheongok, Mt. Doota and Mt. Joongbong located at $37^{\circ}25^{\prime}26^{{\prime}{\prime}}{\sim}37^{\circ}27^{\prime}20^{{\prime}{\prime}}N$ in latitude, at $128^{\circ}55^{\prime}20^{{\prime}{\prime}}{\sim}129^{\circ}01^{\prime}58^{{\prime}{\prime}}E$ in longitude. The results of vascular plants - collecting and their investigation from June, 1995 to Octorber, 1997 are as follow ; The vaular plants collected and investigated in this area consist of 103 families, 324 genera, 516 species, 2 subspecies, 81 varieties, 10 formae, total 610 taxa in Mt. Cheongok, 104 families, 338 genera, 568 species, 2 subspecies, 84 varieties, 9 formae, 1 hybrid, total 664 taxa in Mt. Doota, 99 families, 303 genera, 453 species, 1 subspecies, 73 varieties, 10 formae, 1 hybrid, total 538 taxa in Mt. Joongbong. The Korean endemic plants were 22 taxa, 25 taxa and 17 taxa in each surveyed area. Rare or endangered plants were 19 taxa, 20 taxa and 11 taxa in each surveyed area. Also, naturalized plants were 17 taxa, 16 taxa and 14 taxa in each surveyed area.

• Proceedings of the Plant Resources Society of Korea Conference
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• 2018.04a
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• pp.46-46
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• 2018

본 연구는 봉화군 청옥산 산림유전자원보호구역에 분포하는 관속식물을 파악하고자 수행하였다. 청옥산 보호구역은 산림청에서 '희귀식물자생지' 유형으로 지정하여 관리하고 있으며, 면적은 약 2,051ha에 달하며 주로 신갈나무군락과 소나무군락이 우점하고있다. 현지조사는 2017년 3월부터 10월까지 계절별로 수행하였다. 조사결과, 보호구역내 관속식물은 86과 258속 390종 4아종 54변종 6품종으로 총 454분류군의 분포가 확인되었다. 이 중 한국특산식물은 가야물봉선, 처녀치마, 할미밀망, 키버들 등 11분류군이며, 산림청 지정 희귀식물은 취약종(VU)에 주목, 백작약, 꼬리진달래 3분류군, 약관심종(LC)에 등칡, 도깨비부채, 정향나무, 말나리, 나도개감채 등 14분류군이다. 식물구계학적 특정식물로는 IV등급인 회리바람꽃, 가지괭이눈, 산겨릅나무, 귀박쥐나물 등 10분류군, III등급인 애기감둥사초, 중나리, 토현삼, 선갈퀴, 금강제비꽃, 노랑갈퀴, 분비나무 등 23분류군, II등급 32분류군, I등급 30분류군이 확인되었다. 외래식물은 오리새, 털별꽃아재비, 왕포아풀, 주걱개망초, 지느러미엉겅퀴, 족제비싸리 등 18분류군이 임도 주변에서 확인되었다. 조사된 관속식물을 용도별로 구분하면 식용식물 181분류군, 섬유용식물 6분류군, 약용식물 143분류군, 관상용식물 52분류군, 사료용식물 172분류군, 염료용식물 9분류군, 목재용식물 22분류군으로 분석되었다.

• Korean Journal of Environment and Ecology
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• v.15 no.4
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• pp.344-353
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• 2002

To investigate the forest structure and to suggest the basic data of forest in the Cheongoksan and near the ridge area, the Baekdudaegan, thirty-five plots were set up and surveyed. According to the analysis of classification by TWINSPAN, the community was divined by four groups of Quercus mongolica-Fraxinus rhynchophylla(I). Q. mongolica-Acer pseudosieboldianum(II). Q. mongolica-Tripterygium regelii(III), and Q. mongolica-Rhododendron schlippenbachii community(IV). The structure of communities were investigated using importance value by layer. The survey results were summarized as follows:1) the results of annual ring analysis revealed that the age of forest in the Cheongoksan was about 30~150 years old, 2) number of the average species was 6.5$\pm$1.8 and number of average individuals was 68.3$\pm$39.9 per a plot(100$m^2$). From the above results, it was anticipated that Q. mongolica stand will be old-growth forest because they do not have competitor species and a specific ridge environment.

• Proceedings of the Korean Society of Environment and Ecology Conference
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• 2002.04a
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• pp.101-103
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• 2002

• Korean Journal of Environment and Ecology
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• v.15 no.4
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• pp.319-329
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• 2002

The vascular plants in the region of Guryongsan and Cheongoksan. Bonghwa-gun, Kyeongsangbuk-do, were consisted of 405 taxa; 96 families, 268 genus. 349 species. 51 varieties, 5 forms. From the floristic point of view, Guryoungsan and Cheongoksan belongs to the middle province in Korea. The rare and endangered plants appeared to 6 taxa were Dryopteris crassirhizoma, Iris ensata var. spontanea, Gastrodia elata, Rodgersia podophylla, Rhododendron micranthum and Scrophularia buergeriana investigated these area.

• Proceedings of the Plant Resources Society of Korea Conference
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• 2018.04a
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• pp.47-47
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• 2018

본 연구는 청옥산 산림유전자원보호구역을 대상으로 총 49개의 고정방형구를 설치하여 식물사회학적 방법으로 산림군락분류와 임분특성을 분석하였다. 그 결과 총 9개의 식생단위로 분류되었으며 군락단위로는 신갈나무군락, 잣나무군락, 일본잎갈나무군락, 독일가문비나무군락으로 분류되었다. 신갈나무군락은 소나무군, 철쭉군, 고로쇠나무군, 미역줄나무군으로 세분되었으며, 고로쇠나무군은 박달나무소군과 고로쇠나무전형소군으로, 미역줄나무군은 애기감둥사초소군과 미역줄나무전형군으로 세분되었다. 9개의 식생단위의 층위별 중요치 분석결과를 보면 교목층에서 신갈나무가 32.2% 가장 높게 나타났으며 잣나무(10.1%), 소나무(10%), 일본잎갈나무(9.1%) 순으로 나타났고, 아교목층에서는 신갈나무 (18.9%), 당단풍나무(11.7%), 물푸레나무(8.9%), 잣나무(7.2%) 등이 높은 값으로 분석되었다. 관목층에서는 철쭉(12.2%)와 당단풍나무(8%)가 높게 분석되었으며 다른 수종들은 10% 미만의 값을 가졌다. 초본층에서는 조릿대(8.5%), 산숙국(6.6%)등이 높게 나타났다. 식생단위별 종다양성지수를 보면 식생단위 8인 일본잎갈나무군락이 1.76로 가장 높았으며, 박달나무소군 1.73, 소나무군 1.72, 철쭉군 1.71 순으로 분석되었다. 우점도는 모든 식생단위에서 0.2 이하로 다수의 종이 우점하는 것으로 나타났다.

• Journal of Korean Society of Forest Science
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• v.87 no.1
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• pp.27-39
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• 1998

The Mt. Cheongok is located at the northern part of Kyungsangpookdo from $37^{\circ}$ 00' 00" to $37^{\circ}$ 05' 00" latitude and from $128^{\circ}$ 55' 00" to $129^{\circ}$ 00' 00" longitude. The altitude of the summit is 1,276.5m. This study was carried out to classify forest communities by the methods of Z${\ddot{u}}$rich-Montepellier schools. And, it also might be useful for selection of plant species, forest conservation, and prompting vegetation succession. The forest vegetation in Mt. Cheongok was classified into 12 communities, 4 groups, and 4 subgroups. Rhododendron micranthum subgroup of Pinus densiflora for. erecta community and Fraxinus mandshurica community were not found in cool temperate forest, southern zone yet. According to the coincidence method, Pines densiflora for. erecta community was mainly distributed from altitude 450m to 1,100m and from upper slope to ridge, and Quercus mongolica community was dominanced in the range of over altitude 700m. Pinus densiflora for. erecta community, distributed in upper slope and ridge, is judged to be maintained in the future. But Pinus densiflora for. erecta community, distributed in below middle slope, is judged to be changed into deciduous hardwood forest.

• Journal of Korean Society of Forest Science
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• v.103 no.3
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• pp.313-320
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• 2014

The purpose of this study was to provide basic data for preserving forest ecosystem with understanding forest wetland condition of Mt. Cheongok. It was found from this research that vascular plants of surveyed area were composed of 72 families, 167 genera, 209 species, and 2 subspecies, 27 varieties, 5 formae. totaling 243 taxa. Among the investigated vascular plants, Korea endemic plants were 9 species, rare plants 15 species, and naturalized plants 8 species, respectively. According to the occurrence frequency within the wetland investigated, obligate upland plants (OBU) accounted for 75.72% (184) among the total species investigated, wherea obligate wetland plant (OBW) were four species (4.65%). There were 26 of hygrophyte plants and 2 of emergent plants in the research area according to wet degree. According to habitat category, the most frequently occurred habitat was forest (136 species, 55.97%), and the others were in the order of meadow and shrubland (70 species, 28.81%), wet meadow (35 species, 14.40%), and aquatic environment (2 species, 0.82%), respectively. In the result of analysis of important value, Fraxinus rhynchophylla and Carex pseudosinensis was the highest as 22.17% and 10.40%. It was confirmed that the species diversity was relatively high. Shannon-Wiener's species diversity index was calculated as 2.507. Based on these results, long-term monitoring survey should be urgently needed for ecological restoration and recovery.

• Journal of Korean Society of Forest Science
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• v.97 no.4
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• pp.437-444
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• 2008

This study has intended to evaluate the forest recreation functions to seek methods to designate the recreational areas inside a recreation forest. This study has Mt. Chung-ok in Korea as a study area to which Quantification method II as a valuation measure was applied. This study also has chosen a degree of recreational utility as an external criterion and six factors including Forest type, Forest age, Slope, Riparian area, Road, and Facility for the 173 stands in this area. As a result, absolute discriminated success rate was obtained, so that the first and second estimated correlation ratios were 82% and 74%, respectively. Road and Slope had great influences on the potential power of recreational functions. In the category, recreational function was more influenced by the existence of road and the lower degree of slope. Also, this study has drawn an evaluation map, which displayed the potential power of recreational functions by classifying three discrimination points such as H(High), M(Medium), and L(Low) through calculating the degree of recreational utility of the recreation forest for the stands by applying an estimation formula of recreational function in the stands. This study seems to be worthwhile in terms of actual, experimental, and intuitive interpretation for the degree of recreational utility calculated by using Quantification method theory.

• Korean Journal of Environment and Ecology
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• v.36 no.4
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• pp.413-421
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• 2022

This study was conducted to identify the vegetation structure of the Abies nephrolepis forests by analyzing species composition in Mt. Doota and Mt. Cheongok in the Gangwon region with the phytosociological method. In order to perform a field investigation, 18 survey areas with an area of about 400 m2 were set up for the stands where A. nephrolepis grow wild. Communities were classified through TWINSPAN and visualized using DCA (Detrended Correspondence Analysis). Species diversity analysis, importance value analysis, and DBH class analysis were employed to identify the characteristics of each community. As a result, the A. nephrolepis forests in Mt. Doota and Mt. Cheongok have been classified into 4 communities; GroupI, II, III and IV. GroupIis Quercus mongolica-A. nephrolepis competitive forest dominated by Q. mongolica and A. nephrolepis in the order. Group II is A. nephrolepis-Betula ermanii competitive forest dominated by A. nephrolepis, Sorbus commixta, and B. ermanii in the order. Group III is dominated by A. nephrolepis, but is expected to have competition between A. nephrolepis and Q. mongolica in the future due to the mass occurrence of Q. mongolica saplings. A. nephrolepis, S. commixta, and Q. mongolica are the dominant species in Group IV, and A. nephrolepis is the major dominant species in all layers. The species diversity of the A. nephrolepis forests in Mt. Doota and Mt. Cheongok is lower than other A. nephrolepis forests in Mt. Seorak, Maruguem, and Mt. Odae. It is necessary to establish conservation measures and to continuously monitor the A. nephrolepis forests in Mt. Doota and Mt. Cheongokis due to the harsh environment and the competition that may occur between A. nephrolepis and deciduous trees such as Q. mongolica in the future.