Author(s)

Kejun Zhang, Binquan Wang^*, Yanli Zhang, Yanli Zhang, Nasha Cheng, Changsheng Wang, Chunming Zhang, Wei Gao, Ganggang Chen

Department of Otolaryngology, Head and Neck Surgery, First Hospital, Shanxi Medical University, Taiyuan, China.

To study and analyse 2 surveys on airborne allergenic pollens distribution in Taiyuan Downtown, North China 30 years apart, the surveys focused on the phenomenon and the influence factors on types, counts, drift patterns, growth and decline rhythm and distribution features of airborne pollen with the same methods in the region in March 1977 to February 1978 and July 2008 to June 2009, respectively. The data of two airborne pollens surveys were treated with statistics, comparation and analysis, and the influence factors of pollen distribution in Taiyuan Downtown were explored. In the 2 surveys, 24 species and 35 species of pollen were collected in the region, respectively. Two pollen drift peaks were formed in spring and autumn in the two surveys. Artemisia L. is still the absolute dominant allergy airborne pollen. The types, counts, drift patterns and composition of pollen in air could be changed by the plants variation. Climate warming might affect pollen peak appearing time and lasting time, climate warming and Poplar & Willow contents changes in spring and autumn reversed the airborne pollen peak. It was found that Humulus L. had become the region’s main allergic pollen. Invasive strong allergen ragweed was spread to the inland city Taiyuan. Allergists should focus on exotic invasive harmful plants in the region.

Airborne Pollen, Identification of Pollen, Pollen Count, Seasonal Distribution of Airborne Pollen, Taiyuan

Zhang, K. , Wang, B. , Zhang, Y. , Zhang, Y. , Cheng, N. , Wang, C. , Zhang, C. , Gao, W. and Chen, G. (2015) Analysis of Changing Factors on Airborne Allergenic Pollens Distribution in Taiyuan Downtown, North China. International Journal of Otolaryngology and Head & Neck Surgery, 4, 148-155. doi: 10.4236/ijohns.2015.42026.