• 한국환경복원기술학회지
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• 제20권2호
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• pp.37-59
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• 2017

The Korean peninsula belongs to the temperate forest biome dominated by many deciduous oaks. We quantitatively and qualitatively studied vertical and horizontal distributions and habitat characteristics on the major oak species such as Quercus mongolica, Q. serrata, Q. variabilis, Q. dentata, Q. aliena and Q. acutissima. A total of 5,278 samples were analyzed with a species coverage and 6 principal environmental variables extracted from public database of nationwide natural environment survey. Correlation analysis was accomplished by the CANOCO using Canonical Correspondence Analysis and the Pearson correlation coefficient using PASW Statistics. The hierarchical distribution tendency of six oaks was finalized using the Goodman-Kruskal lambda coefficient of non-metric multidimensional scaling by SYN-TAX 2000. The utmost factor on the distributional segregation of oak species was the elevation, i.e. temperature. Q. serrata and Q. mongolica show clearly a diametrical distribution patterns with zonal distribution. Q. variabilis was determined as a thermophilic and xerophilous species that is a component of not only natural pseudo-climax forest but also secondary forest. The highest frequency of the dominant forest was found Q. mongolica. Whereas, Q. serrata showed the highest frequency of individual tree but the relatively lower frequency of dominant forest, which is resulted from the original habitat loss. By the benefit of the traditional Soopjeong-E, Q. acutissima dominant forests were remained rather largely. Individuals of Q. dentata occurred horizontally nationwide, but its dominant forest was the poorest. Dominant forest of Q. aliena, which is a natural vegetation, was the most rare due to a limited potential habitat.

• 생태와환경
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• 제50권1호
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• pp.126-136
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• 2017

한반도 동남단의 울산 대곡천 협곡에는 우리나라 최고(最古) 선사유적지인 천전리-반구대 암각화가 있다. 본 연구는 선사인의 식량자원이 되는 도토리에 착목하여 대곡천 협곡에 잔존하는 참나무림의 다양성과 분포 특성을 규명하고자 하였다. 참나무림의 상관형에 따라 그 종조성과 서식처 대응성에 대하여 Z.-M. 방법으로 현장 식생조사가 이루어졌다. 총 193분류군(64과 129속)으로 이루어진 20개의 식생조사표가 획득되었고, 식물사회학적 군락분류와 생태식물상 분석이 이루어졌다. 참나무림은 조사 면적의 36.9% ($513,374m^2$)를 차지하고, 그 99% ($507,677m^2$)는 굴참나무와 졸참나무 우점림이었다. 대곡천 지역식생은 굴피나무와 사람주나무의 높은 상대기여도가 특징이며, 토지적 (edaphic) 자연식생의 내건성 (耐乾性), 호온성 (好溫性)의 참나무림 식생형인 것으로 밝혀졌다. 대곡천 협곡 일대는 풍부한 도토리 생산 여건의 식생자원, 수자원, 온난한 난온대 기후환경의 선사인이 주목할 수밖에 없는 생태역(ecoregion)인 것으로 규정하였다.