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Spatial Distribution and Vegetation-Environment Relationship of Forest Vegetation in Ulleung Island, Korea

Journal of Ecology and Environment / Journal of Ecology and Environment, (P)2287-8327; (E)2288-1220
2006, v.29 no.6, pp.521-529



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Abstract

This study was carried out to classify all forest vegetation types in Ulleung Island, Korea usingthe methodology of the Z.-M. school's phytosociology, and map out the spatial distribution patterns of those vegetation types. The forest vegetation was classified into the mountain forest type (Acer okamotoanum comunity group) and maritime forest type (Artemisia scoparia community group). Vegetation units at the comunity level were divided into three categories; six comunities, sixteen groups, and seven subgroups, Fagus engleriana comunity accounted for 1,952 ha (35.2%), Hedera rhambea comunity for 1,196 ha (21.6%), Camellia japonica comunity for 1,104 ha (19.9%), Sambucus sieboldiana var. pendula comunity for 612 ha (11.0%), Aster spathulifolius comunity for 506 ha (9.1%), and Tsuga sieboldii - Pinus parviflora community for 174 ha (3.1%). According to canonical correspondence analysis (CCA), variables such as Mg2+, pH, Ca2+ maritime vegetation types, and variables such as total nitrogen, carbon content, C/N ratio and cation exchange capacity (CEC) were highly correlated in mountain vegetation types, respectively. The sea level and the slope direction were not showing regular trend as a factor to decide on species diversity, evenness and richness in this research area. But it seems to be affected by topography, slope degree and dominance vegetation.

keywords
CCA, Forest vegetation, Spatial distribution, Ulleung Island, Z.-M. Phytosociology이중효 등 J. Ecol. Field Biol. 29 (6) 522조사지 개황 울릉도는 지리적으로 동경 130 47' 37"∼130 56' 20", 북위 37 27' 2"∼37 33' 01"에 위치하고, 전체 면적은 7, 255.9 ha이며 이중 산림 지역이 5, 544.9 ha (76.4%)로 가장, CCA, Forest vegetation, Spatial distribution, Ulleung Island, Z.-M. Phytosociology이중효 등 J. Ecol. Field Biol. 29 (6) 522조사지 개황 울릉도는 지리적으로 동경 130 47' 37"∼130 56' 20", 북위 37 27' 2"∼37 33' 01"에 위치하고, 전체 면적은 7, 255.9 ha이며 이중 산림 지역이 5, 544.9 ha (76.4%)로 가장

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Journal of Ecology and Environment