Impact of land cover changes and climate on the main airborne pollen types in Southern Spain

The Science of the Total Environment
Herminia Garcia-MozoCarmen Galan

Abstract

Airborne pollen concentrations strongly correlate with flowering intensity of wind-pollinated species growing at and around monitoring sites. The pollen spectrum, and the variations in its composition and concentrations, is influenced by climatic features and by available nutritional resources but it is also determined by land use and its changes. The first factor influence is well known on aerobiological researches but the impact of land cover changes has been scarcely studied until now. This paper reports on a study carried out in Southern Spain (Córdoba city) examining airborne pollen trends over a 15-year period and it explores the possible links both to changes in land use and to climate variations. The Seasonal-Trend Decomposition procedure based on Loess (STL) which decomposes long-term data series into smaller seasonal component patterns was applied. Trends were compared with recorded changes in land use at varying distances from the city in order to determine their possible influence on pollen-count variations. The influence of climate-related factors was determined by means of non-parametric correlation analysis. The STL method proved highly effective for extracting trend components from pollen time series, because th...Continue Reading

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Citations

Aug 6, 2016·International Journal of Biometeorology·Jesús RojoRosa Pérez-Badia
Nov 5, 2016·The Science of the Total Environment·Jose OterosDelia Fernández-González
Oct 25, 2017·International Journal of Biometeorology·Nicolas BruffaertsMarijke Hendrickx
Aug 14, 2020·Clinical and Translational Allergy·Maryam A Al-NesfMaria Del Mar Trigo
Apr 4, 2021·The Science of the Total Environment·Sarah GlickMarloes Eeftens
May 3, 2019·The Science of the Total Environment·Rocío González-NaharroÁngela Gonzalo-Garijo

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