Research Article

Effects of Deer Grazing on Vegetation and Ground-Dwelling Insects in a Larch Forest in Okutama, Western Tokyo

Table 1

Densities and basal area of trees and shrubs appearing in 10 m × 10 m plot inside and 20 m × 20 m plot outside the exclosure at Okutama, western Tokyo, Japan.

Tree/shrub Inside Outside
/plotBasal area (m2/ha)/100 m2Basal area (m2/ha)

Larix  kaempferi t211.642.7517.86
Pterostyrax  hispida t151.63
Toxicodendron  trichocarpum t21.09
Euonymus  hamiltonianus t20.94
Carpinus  cordata t50.090.250.50
Salix  bakko t30.08
Clethra  barbinervis t60.05
Betula  ermanii t10.04
Fraxinus  lanuginosa t30.03
Swida  controversa t10.02
Castanea  crenata t10.01
Acer  diabolicum t0.250.36
Acer  pictum t0.250.36
Hydrangea  paniculata s371.26
Aralia  elata s60.38
Callicarpa  japonica s360.14
Stephanandra  incisa s90.03
Lindera  praecox s10.00

Subtotal trees4115.61419.09
Subtotal shrubs891.8200.00
Total 13017.43419.09