An Analysis of Correlation between Pinus thunbergii Forests and Soil Conditions by TWINSPAN and CCA Ordination in West Coast of South Korea

TWINSPAN과 CCA Ordination에 의한 서해안 곰솔림과 토양환경과의 상관 분석

  • Received : 2015.11.25
  • Accepted : 2016.02.27
  • Published : 2016.02.29


Vegetation and soil conditions of four sites in west coastal forests in South Korea, were examined to analyze the relationship between Pinus thunbergii forests structure and soil conditions. The P. thunbergii forests were divided into four clusters; 1) P. thunbergii - Prunus sargentii var. sargentii, 2) P. thunbergii - Robinia pseudoacacia, 3) P. thunbergii - P. densiflora and 4) P. thunbergii - Quercus serrata. The soil of each site was poor in chemical characteristics but good enough for land plants to grow because of its low salt concentration. According to the results by CCA Ordination, certain excessive soil nutrition has influenced on vegetation and specific species distribution. Forty eight species were found in the whole sites of coastal forests and some species appeared in every site. They are P. thunbergii, R. pseudoacacia, Rhus chinensis, Idesia polycarpa and Morus alba. For the tree species importance value, P. thunbergii was followed by R. pseudoacacia, Q. serrata, P. densiflora, Celtis sinensis, M. alba, I. polycarpa and Q. mongolica in order.


Pinus thunbergii - Prunus sargentii community;P. thunbergii - Robinia pseudoacacia community;P. thunbergii - P. densiflora community;P. thunbergii - Quercus serrata community;importance value


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