The evidence lies in ocean mud, in fossil pollen, and in changes in ratio of chemical isotopes that record shifts in temperature.
证据就存在于海洋泥土,花粉化石和记录温度变化的化学同位素比值变化之中。
This paper deals with the use of correspondence analysis as an aid in paleoclimatic reconstruction based on modern and fossil pollen data.
利用现代和化石孢粉资料,借助于对应分析方法,进行了古气候定量重建尝试。
The sediments contained fossil pollen. Each grain had a telltale carbon atom signature, allowing them to put the samples in chronological order.
沉积物内含有孢粉化石,而每一粒孢粉都含有能告诉我们答案的碳原子标记,容许我们按照地质时间的顺序分析样品。
The relationship between existing vegetation diversity and its pollen diversity can be used to infer past vegetation diversity from the spectra of fossil pollen.
现存植被与其花粉分布的关系可作为利用化石花粉图谱重建古植被时的参照,因此,理解现存表土花粉分布格局对解释花粉图谱十分关键。
Investigation on pollen grains of tundra plants can provide significant data for comparative study of fossil pollen and for reconstruction of paleovegetation and paleoclimate in the Barrow area.
这些冻原植物花粉形态的研究为恢复北极地区古植被和古气候的研究,提供了有价值的对比资料和依据。
This paper reports fossil pollen collected recently from the Upper Jurassic Yixian Formation of western Liaoning Province, and first demonstrates the oldest known angiospermous pollen in the world.
对辽宁西部晚侏罗世义县组中的孢粉植物群进行了系统研究,首次发现了目前为止世界上最古老的被子植物花粉化石。
Two fossil spore-pollen assemblages are found in the Cretaceous red beds of Jin Ju Basin, Chekiang Province.
浙江金衢盆地白垩系红层,共发现二个化石孢粉组合。
Because only female bees collect pollen, the fossil might not yield many clues about exactly how ancient bees pollinated plants.
因为只有雌性的蜜蜂才会授粉,这只化石不会携带太多关于古代蜜蜂如何授粉的线索。
Because only female bees collect pollen, the fossil might not yield many clues about exactly how ancient bees pollinated plants.
因为只有雌性的蜜蜂才会授粉,这只化石不会携带太多关于古代蜜蜂如何授粉的线索。
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