Lower-crown of suppressed trees had greatest specific leaf area values that increased photosynthetic area when Chamaecyparis obtusa var. formosana trees were shaded.

• 比叶面积的变化，以被压木之下层树冠内部具最大的比叶面积值，台湾扁柏林木受遮荫时，以增加叶及树冠光合面积来维持生长。