... 、辽东栎( Quercus liaotungens is ) 、槲栎 ( Quer cus aliena) 林区; 在植物区系组成上以华北成分为主, 油松、栎类( Quercus ) 是植物群落的主要建群种 [ 10] .
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根据组成特征认为落叶栎类群在形态上与上述化学组成上存在一致性。
The characteristics of such chemical constituents are found to be consistent with the morphological characters of the deciduous oaks.
虽然栎类在三个时期面积变化不是很大，但随着树木的生长，总碳储量仍不断增加。
So there is still great growth potential in forest carbon storage. (2) The area of dominant species and the changes of age groups are closely related to carbon stock changes.
栎类萌生林比1987年减少了69754公顷，比原来减少了28.16％，主要原因是人为破坏。
The area of sclerophyllous oaks Sprout Forest decreased 69754 hectares than that in 1987, decreased 28.16% than before.
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