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Table 1 Habitat characteristics of the Q. glauca and A. koreana communities

From: Soil CO2 efflux in a warm-temperature and sub-alpine forest in Jeju, South Korea

Study forest   
Characteristics Q. glauca A. koreana
Altitude (m) 126 1660
Density (tree/ha) 16,000 3700
Forest age (year) 38 90
Tree layer
 Dominant species Q. glauca A. koreana
 Tree height (m) 16 7
 Mean DBH (cm) 7.4 9.5
 Coverage (%) 90 85
Shrub layer
 Dominant species Eurya japonica Taxus cuspidata
Camellia japonica Rhododendron mucronulatum
Q. glauca Symplocos coreana
 Shrub height (m) 2 0.8
 Coverage (%) 15 10
Herb layer
 Dominant species Ardisia japonica Empetrum nigrum
Q. glauca Sasa quelpaertensis
 Herb height (m) 0.45 0.3
 Coverage (%) 45 50