The effects of climate change in Switzerland 1969-1996 on airborne pollen quantities from hazel, birch and grass
The effects of climate change in Switzerland 1969-1996 on airborne pollen quantities from hazel, birch and grass
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DOI：
10.1080/00173139809362662
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发表时间：
1998-01-01
期刊：
影响因子：
0.9
通讯作者：
Frei, T
中科院分区：
文献类型：
--
作者：
Frei, T
使用不同花粉的记录来检查三种不同花粉与天气参数的关联：榛子（Corylus sp.）、桦树（Betula sp.）和禾本科（Poaceae）。根据政府间气候变化专门委员会（IPCC）的预测，气温预计会上升，并且该因素对植物的发育具有巨大的潜力，因此使用不同花粉的记录来了解可能的关联。对研究期间的天气数据的分析显示出显着的影响。年平均气温升高。从有氧生物学的角度来看，最重要的是要注意冬季（十二月）的气温升高最为明显。结果，榛树开始开花得更早。原本在三月的花期因此转移到一月和二月。因此，花粉症患者的发病时间也部分转移到了传统的冬季。桦树和草的开始季节并没有受到温度变化的太大影响。不过，对于这两种植物，我还发现，花期前天气越暖，植物就越早开始散发花粉。在观察的时间段内，所有三个调查皮草的总花粉计数均增加。这种增加的原因尚不清楚，但可以想象，观察到的温度上升可能会产生影响。观察到的花粉数量的增加与观察到的花粉过敏的增加密切相关。然而，目前还无法确定直接联系。温度升高以及花粉与此相关的植物开花时间的相应变化具有医学意义，因为花粉热患者的花期变得更长，目前在瑞士可以从一月（从榛树开始）一直持续到九月（以艾蒿结束）。此外，对天气数据的分析表明，在观测的时间段内，降水量虽然略有增加，但降水量没有显着变化。尤其是对于桦树和草来说，花粉数与降水量之间存在很强的负相关性。
Records of different pollen were used to examine associations with weather parameters for the three different pollen: hazel (Corylus sp.), birch (Betula sp.) and grass (Poaceae).As air temperature is expected to rise according to the forecasts from the Intergovernmental Panel on Climatic Change (IPCC) and as this factor has a great potential to affect the development of plants, the records of different pollen were used to understand possible associations.The analysis of weather data for the studied period showed a significant increase in the annual mean temperature. From an aerobiology point of view it is most important to note that the temperature increase in winter (December) becomes most evident. As a consequence of this, hazel started earlier to flower. The flowering period which was originally in March thus shifted to January and February. Therefore the time period for hay fever patients shifted also partly to the traditional winter period. The starting season for birch and grass was not that much influenced by the temperature shift. However, regarding these two plants I also found that the warmer the weather preceding the flower period, the earlier the plants start to emit pollen. The total pollen count increased for the observed time period for all three investigated tare. The reason for this increase is not obvious, but it is conceivable that the observed temperature rise may exert an influence. The observed pollen count increase goes hand in hand with the observed increase in pollen allergies. However, a direct link could not be ascertained yet.The increase of temperature and the corresponding shift of the flowering time of plants whose pollen are of special interest in this connection has a medical significance since the period for hay fever sufferers becomes longer and can nowadays last from January (starting with hazel) until September (ending with mugwort) in Switzerland.In addition, the analysis of weather data showed that the amount of precipitation did not change significantly over the observed time period, although precipitation increased slightly. A strong negative correlation between pollen number and the amount of precipitation was especially found for birch and grass.