ATMOSPHERIC BIRCH (BETULA) POLLEN IN EUROPE - TRENDS AND FLUCTUATIONS IN ANNUAL QUANTITIES AND THE STARTING DATES OF THE SEASONS

被引：132

作者：

SPIEKSMA, FTM

EMBERLIN, JC

HJELMROOS, M

JAGER, S

LEUSCHNER, RM

机构：

[1] Lab. Aerobiology, Dept Pneumology, University Hospital, Leiden, P. O. Box 9600

[2] Pollen Research Unit, Worcester College of H.E, Worcester, WR2 6AJ, Henwick Grove

[3] Swedish Museum of Natural History, Palynological Laboratory, Stockholm, S-104 05

[4] Allergy Service, University E.N.T. Clinic, General Hospital, Vienna, A-1090

[5] Research Dept, Div. Dermatology, Universtiy Clinic, Basel, CH-4031, Kantonsspital

来源：

GRANA | 1995年 / 34卷 / 01期

关键词：

D O I：

10.1080/00173139509429033

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Long term observations of atmospheric pollen offer the possibility of studying patterns in fluctuations in the airborne pollen presence. In this study, birch pollen measured at five monitoring stations in Europe with records of 18 to 30 years, have been analysed comparatively on three aspects: trends and fluctuations of annual sums of daily concentrations, and starting dates of airborne presence. The results show weakly rising trends at all five stations. The observed fluctuations in airborne birch pollen quantities are suggestive of synchronous, alternatingly cyclic rhythms, belt with a-synchronous aberrant years and phase shifts. For the starting dates of the birch pollen season the air temperature during the preceding 4 decades-of-days are of decisive importance.

引用

页码：51 / 57

页数：7