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一、基本依据为了深入了解第四纪自然环境及其变迁的真实情况,对更新世古气候的定量研究已势在必行。为此,笔者先研究了暗针叶林带的温度特征,并揭示出以云杉(Picea)和冷杉(Abies)为主体组成的现代暗针叶林植物群的温度分布,具有明显的规律性。按照古今生物气候条件一致性的原理,它可作为计算更新世云杉—冷杉植物群记录的古温度的理论依据。
First, the basic basis In order to understand the real situation of the Quaternary natural environment and its changes, the quantitative study of the Paleocene paleoclimate is imperative. Therefore, the author first studied the temperature characteristics of dark coniferous forest belt, and revealed that the temperature distribution of modern dark coniferous forest flora mainly composed of Picea and Abies had obvious regularity. According to the principle of consistency between ancient and modern bioclimatic conditions, it can be used as a theoretical basis for calculating the paleobserved temperature of the Pleistocene spruce-fir flora.