• Korean Journal of Environment and Ecology
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• v.18 no.2
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• pp.150-157
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• 2004

To investigate the vegetation structure of mountain ridge from Suryeong to Sosagogae, 10 plots(500$m^2$) set up with random sampling method were surveyed. Three groups, Quercus dentata-Fraxinus rhynchophylla community, Quercus mongolica-Fraxinus rhynchophylla community, Quercus mongolica community, were classified by cluster analysis. Quercus mongolica was found as a major woody plant species in the ridge area from Suryeong to Sosagogae. Quercus dentata and Fraxinus rhynchophylla were occupied partly in lower elevation. Species diversity(H') of investigated groups was ranged from 1.7295∼2.6525 and it was similar to that of the ridge area of the national parks in Baekdudaegan. Rare and endangered species, Rhododendron tschonoskii recorded from the list of the Forest Administration distributed between the rocks on the top of the Sambongsan, the long-term habitat monitoring might be required.

• Korean Journal of Environment and Ecology
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• v.9 no.1
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• pp.62-69
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• 1995

No. of visitor at Chirisan National Park increased by three times, respectively after seven years comparing to the visitors before construction of the Songsamjae access road in 1988. Fifty percent of visitors at southern and northern rigion of Chirisan National Park visited Nogodan in spring and autumn season. And thirty percent of visitors at Sesokpyongjon accessed from Nogodan, respectively. Visitors at Nogodan and Sesokpyongion were estimated each 410.000 persons and 150.000 persons in 1994. Maximum daily users of shelter and camp ground were each 570 persons in Nogodan and 1, 100 persons in Sesokpyongjon in 1994. The Songsamjae access road in Chirisan National Park increased users' impacts on mountain ridge environment including Nogodan, Sesokpyongjon. etc. Therefore user management including prohibiting camping shall be necessary in order to minimize environmental damage of mountain ridge.

• Korean Journal of Environment and Ecology
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• v.15 no.4
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• pp.330-343
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• 2002

To investigate the vegetation structure of mountain ridge from Pijae to Doraegijae in Baekdudaegan, forty-three sites(size 500$m^2$) were set up and surveyed By using TWINSPAN classification. the plant community was divided into five groups, those are mixed forest on sub-alpine zone. Quercus mongolica - Acer pseudo-sieboldianum community, Q. mongolica-Pinus densiflora community, and Larix leptolepis forest. Quercus mongolica was found as a major woody plant species in the ridge area. And partly the subalpine zone in low elevation was occupied by deciduous tree species and mixed a few conifer such as Abies nephrolepis and Taxus cuspidata etc.. Species diversity index(Area 1,000$m^2$) in the showed calculated 2.0149~3.0139 and it was similar to those of the ridge area of the national parks in Beakdudaegan.

• Korean Journal of Environment and Ecology
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• v.4 no.1
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• pp.63-68
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• 1990

User's impacts on trail deteriorations and edge vegetation were studied in Sokri Mountain National Park in 1990. The entire width, bare width and maximum depth of trail as the trail condition were significantly greater on the more heavily used trail. Deteriorations of trail which were surveyed at the total of 52 were significantly different from those of non-deteriorated points. The dominant trees in the crown layer of trail edge are as follows. According as the altitude rises, the changes happen from Quercus serrata to Quercus variabilis, Pinus densiflora, and to Quercus mongolica at Joongsajaam course, and from Pinus densiflora, Quercus variabilis to Quercus mongolica at Birosanjang course. And Stephanandra incisa, Symplocos chinesis for. pilosa show high relative dominant value at Joongsajaam course, Lindera obtusiloba, Fraxinus sieboldiana show one at Birosanjang course.

• Korean Journal of Environment and Ecology
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• v.16 no.4
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• pp.403-408
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• 2003

Fishfauna were investigated in the Baekdudaegan Mountain area (Manbokdae-siribong) streams. At the uppertributary of Seomjin River, 17 species of 5 families were collected and the dominant species was Zacco temminki. Korean endemic species were six (35.3%) species, Acheiognathus koreensis, Coreoleuciscus splendidus, Squalidus gruacilis majimae, Microphysogobio yaluensis, Iksookimia longicorpus, and Odontobutis platycephala. Only Lampetra reissneri designated as a vulnerable species, was confirmed at the stream. At the upper streams of the Nakdong River, collected fishes were identified as 11 species of 3 families. The dominant species was Zacco temmincki, and two species (18.2%), Squalidus gracilis. majiimae and Ikosokimia longicorpus were Korean endemic.

• Korean Journal of Environment and Ecology
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• v.16 no.4
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• pp.441-448
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• 2003

To investigate the vegetation structure of mountain ridge from Nogodan to Goribong, 22 plots(500$m^2$) set up with random sampling method were surveyed Three groups Quercus mongolica-Fraxinus rhynchophylla community. Quercus mongolica- Pinus densinora community. Quercus mongolica community were classified by cluster analysis. Quercus mongolica was found as it major woody plant species in the ridge area from Nogodan to Goribong. And partly in lower elevation was occupied by deciduous broadleaved tree species and Pinus densiflora. In this area, Korean endemic species, Abies koreana was distributed small amounts. Species diversity(H') of investigated group were ranged 0.9274~1.2845 and it was similar to those of the ridgee area of the national parks in Baekdudaegan.

• Korean Journal of Environment and Ecology
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• v.22 no.3
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• pp.280-288
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• 2008

The purpose of this study was to propose a method of the Residents' Participation for the ecotourism and the sustainable development of mountain village. A questionnaire survey of 190 residents on their life in the mountain village was conducted. The survey site was in excellent condition of natural environment and access route. In the result of survey, the residents have positive opinions on the development of ecotourism, and are willing to participate in the device stage of plan for development. It has been shown that the most important thing in the development of ecotourism is the increase of personal income and regional finance under the premise of conservation of natural environment. It was apparent that the prior consideration of the development is the improvement of system and related laws.

• Proceedings of the Korean Society of Environment and Ecology Conference
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• 2005.04a
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• pp.21-32
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• 2005

To investigate the vegetation structure of mountain ridge from Bubong to Poamsan, 16 plots$(400m^2)$ set up with random sampling method were surveyed. Three groups Quercus mongolica-Pinus densiflora community, Quercus variabilis-Pinus densiflora-Quercus mongolica community were classified by cluster analysis. Quercus mongolica was found as a major woody plant species in the ridge area from Bubong to Poamsan, and partly in lower elevation was occupied by Quercus variabilis and Pinus densiflora. High positive correlations was proved between Lespedeza maximowixcii and Pinus koraiensis, Fruxinus sieboidiana and Rhododendron mucronulatum, Acer mono and Weigela subsessilis, and relatively high negative correlations was proved between Symplocos chinensis for. pilosa and Fraxinus sieboldiana, Rhododendron mucronulatum Species diversity(H') of investigated groups were ranged $0.9066\~1.0821$, and it was relatively low compared to those of mountain ridge area of other national parks.

• Korean Journal of Environment and Ecology
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• v.19 no.2
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• pp.83-89
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• 2005

To investigate the vegetation structure of mountain ridge from Bubong to Poamsan, 16plots$(400m^2)$ set up with random sampling method were surveyed. Two groups of Quercus mongolica-Pinus densiflora community, Quercus variabilis-Pinus densiflora-Quercus mongolica community were classified by cluster analysis. Quercus mongolica was a major woody plant species in the ridge area from Bubong to Poamsan, and Quercus variabilis and Pinus densiflora were partly occupied in lower elevations. High positive correlations were proved between Lespedeza maximowixcii and Pinus koraiensis, Fraxinus sieboldiana and Rhododendron mucronulatum, Acer mono and Weigela subsessilis, and relatively high negative correlations were proved between Symplocos chinensis for. pilosa and Fraxinus sieboldiana, Rhododendron mucronulatum. Species diversity(H') of investigated groups were ranged from $0.9066\~1.0821$, and it was relatively low value compared to that of mountain ridge area of other national parks.

• Korean Journal of Environment and Ecology
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• v.4 no.1
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• pp.51-62
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• 1990

This study was to investigate the user's effects on the avifauna in Sokri Mountain National Park. The survey was carried over 4 districts which were divided with main trail(valley, ridge), subtrail(ridge), un-used trail (valley) by line transect method from December 1989 to October 1990. The observed birds were 36 species and 570 individuals, these consist of 23 species for residents. 7 species for summer visitor. 2 species for winter visitor, 4 species for passage migrant. The average density of birds was 2.35 ea/ha., and main dominant species were Parus major minor, Porus palustris hellmayri, Parus varius varius and Sitta europaea amurensis in order. The observed frequency of wild birds was 3.4 times/km in average. No. of species, species diversity and observed frequency of summer and autumn were lower than winter and spring in 4 survey routes. Therefore, from now, in Sokri Mountain National Park manegement, the enjoyment oriented activities will be regulated and control of trail use on main trail are necessary during breeding periods of wild birds protection, especially in summer.