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조현제 ( Jo Hyeon Je ),최명섭 ( Choe Myeong Seob ) 한국산림과학회 2003 한국산림과학회지 Vol.92 No.5
Sorbus alnifolia - natived forest sites were studied in South Korea. The objectives of this study were to classify vegetation types of S. alnifolia - natived forests(SANF) and to analyze its ecological characteristics. Thirteen SANF sites were sampled, and three hundred and fifty releves collected with 10m × 10m plots. Data were analyzed using in combination with Two-Way Indicator Species Analysis(TWINSPAN) and Phytosociological procedures. Two vegetation types of Quercus serrata - Q. acutissima(VT Ⅰ) and Carex ciliato-marginata - Rhododendron schlippenbachii(VT Ⅱ) were identified and six vegetation units accmpanied. SANF exhibits a pattern of weak dominance, meaning that no shingle species han an importance value greater 25%. Diversity indices indicate that VT Ⅰ were less diverse than VT Ⅱ and its scores ranged from 1.68 to 2.17. Constancy classes diagram shows that the higher species(≥Ⅱ) have only 0.9% and that most species occurred were rare and had low abundances. In correlation between tree species, it was found positive correlation between S. alnifloa and introduced tree species such as R pseudo-acacia and Castanea crenata on the level of 1% and Alnus firma, A. hirsuta, and Pinus koraiensis, 5% respectively.
위진 소광리 산림유전자원보호림일대 산림군락의 식생조성 및 구조
배관호 ( Bae Gwan Ho ),조현제 ( Jo Hyeon Je ),홍성천 ( Hong Seong Cheon ) 한국산림과학회 2003 한국산림과학회지 Vol.92 No.6
Vegetation composition and structure of forest community at the forest genetic resources reserve, Sokwang-Ri, Uljin-Gun in Korea, were studied using a qualitative with a quantitative approach and its vegetation types and various ecological characteristics such as the importance values(1.V.), interspecific similarity and constancy classes of the major component species analyzed. 146 releves were sampled with 100㎡ square plots. Forest community were identified greatly as two types of mountain vegetation and lower. valley vegetation. The former was distinguished mainly by Pinus densiflora and Quercus mongolica. The latter was distinguished mainly by Quercus serrata, Acer mono, Cornus controversa, and Morm bornbycis. Vegetation units were classified into three categories : three communities and six subcommunities accompanying twenty-two groups. In Life-forms IV, woody and herbs showed mostly to 75±25% and 25±5%. The species showing the interspecific similarity over 0.5 with Pinus densiflora appeared to Quercus mongolica in trees, Fraxinus sieboldiana in subtrees, Rhododendron schlippenbachii, Lespedeza bicolor and R. mucronulatum in shrubs, and Carex humilis, Spodiopogon cotuliter, Atractylodes japonica, Melampyrum roseum, Artemisia keiskeana, Arundinella hirt, Miscanthus sinensis, Disporum smilan`num in herbs, respectively. Constancy classes diagram showed that the higher species (? Ⅳ) have only 2.0% and that most species occurred were rare and had low abundances.