落叶松；华北落叶松 Dahurian larch; Larix gmelini Pilg. 日周期 daily periodicity; diurnal periodicity .
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Field spraying Dahurian larch cones with some of its volatile components had mixed results but support the olfactory testing results.
挥发性物质的林间喷洒试验结果与嗅觉反应试验结果一致。
Compared with natural secondary forests of birch, Dahurian birch, and broadleaf tree mixed one, larch plantation showed higher sluice function due to its higher canopy interception percentage.
结果表明，落叶松人工林的林冠截留率最大，表现出比天然白桦林、天然黑桦林和天然阔叶混交林具有较强的蓄水和拦截功能。
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