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Quantitative aeropalynology in the atmosphere of Buenos Aires city, Argentina

机译：阿根廷布宜诺斯艾利斯市大气中的定量航空古生物学

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摘要

For the first time, a volumetric study of Buenos Aires city atmosphere was conducted using a Lanzoni collector from March 1997 through March 1998. Fifty-four pollen types were recorded of which 13 had a relative concentration of more than 1 % of the yearly total. The lowest concentration of pollen grains was recorded in June, when Urtica spp., Morns spp., and Myrtaceae were low. On the other hand, the highest concentration of pollen grains was reached in September, with an increase in Fraxinus spp. The aeropalynological record may be divided into three periods: *~AP Dominant from July to October, *~NAP Dominant from November to March, and *~Residual Period from April to June with low pollen concentrations. The greatest number of species was recorded in November, when 32 types were present, and the lowest number of species in June, when only 13 pollen types were recorded. In June, the pollen concentration was not dominated by any species whereas in September 85% of the pollen was derived from one species of Fraxinus. Earlier studies on the aeropalynology of Buenos Aires City were performed using Tauber and Rotorod samplers. They were comparable to this study, especially since the pollen peak was reached in September, although the main pollen producing species were different.
机译：从1997年3月至1998年3月，首次使用Lanzoni收集器进行了布宜诺斯艾利斯城市大气的体积研究。记录到54种花粉类型，其中13种的相对浓度超过年度总量的1％。 6月记录的花粉粒浓度最低，当时的荨麻属，摩恩属和桃金娘科较低。另一方面，花粉粒的最高浓度在9月份达到，其中白蜡树的种类有所增加。航空古生物学记录可分为三个时期：*〜AP占主导地位，从7月到10月，*〜NAP占主导地位，从11月到3月，以及*〜剩余时期，从4月到6月，花粉浓度低。 11月记录的物种数量最多，当时有32种花粉，6月记录的物种数量最少，只有13种花粉花粉。 6月，花粉浓度不受任何物种的支配，而9月，花粉浓度的85％来自一种水曲柳。使用Tauber和Rotorod采样器对布宜诺斯艾利斯市的航空古生物学进行了较早的研究。它们与本研究相当，特别是自9月达到花粉高峰以来，尽管主要的花粉生产种类不同。

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