Abundance of Ganoderma sp. in Europe and SW Asia : modeling the pathogen infection levels in local trees using the proxy of airborne spore concentrations

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Abundance of Ganoderma sp. in Europe and SW Asia
modeling the pathogen infection levels in local trees using the proxy of airborne spore concentrations
Agnieszka Grinn-Gofroń, Paweł Bogawski, Beata Bosiacka, Jakub Nowosad, Irene Camacho, Magdalena Sadyś, Carsten Ambelas Skjøth, Catherine Helen Pashley, Victoria Rodinkova, Talip Çeter, Claudia Traidl-Hoffmann, Athanasios Damialis
Sumy twórców
12 autorów
Punktacja publikacji
Osoba Dysc. Pc k m P U Pu Opis
0000-0003-4440-291X 6.4 200 1 12 200,00 1,0000 200,0000 Art.
0000-0001-9489-6116 6.7 200 1 12 200,00 1,0000 200,0000 Art.
Gł. język publikacji
Angielski (English)
Data publikacji
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0 (arkuszy wydawniczych)
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W wolnym dostępie jest tylko abstrakt, cały artykuł w subskrypcji.
Cechy publikacji
  • Oryginalny artykuł naukowy
Słowa kluczowe
Science of The Total Environment
( ISSN 0048-9697 eISSN 1879-1026 )
Kraj wydania: Holandia (Netherlands)
Zeszyt: vol. 793
Nr: 148509
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Ganodermacomprises a common bracket fungal genus that causes basal stem rot in deciduous and coniferoustrees and palms, thus having a large economic impact on forestry production.We estimated pathogen abundanceusing long-term, daily spore concentration data collected infive biogeographic regions in Europe and SW Asia.We hypothesized that pathogen abundance in the air depends on the density of potential hosts (trees) in the sur-rounding area, and that its spores originate locally. We tested this hypothesis by (1) calculating tree cover den-sity, (2) assessing the impact of local meteorological variables on spore concentration, (3) computing backtrajectories, (4) developing random forest models predicting daily spore concentration. The area covered bytrees was calculated based on Tree Density Datasets within a 30 km radius from sampling sites. Variations in daily and seasonal spore concentrations were cross-examined between sites using a selection of statistical toolsincluding HYSPLIT and random forest models.Our results showed that spore concentrations were higher in Northern and Central Europe than in South Europeand SW Asia. High and unusually high spore concentrations (> 90th and > 98th percentile, respectively) werepartially associated with long distance transported spores: at least 33% ofGanodermaspores recorded in Madeiraduring days with high concentrations originated from the Iberian Peninsula located >900 km away. Random for-est models developed on local meteorological data performed better in sites where the contribution of long dis-tance transported spores was lower. We found that high concentrations were recorded in sites with low hostdensity (Leicester, Worcester), and low concentrations in Kastamonu with high host density. This suggeststhat south European and SW Asian forests may be less severely affected byGanoderma. This study highlightsthe effectiveness of monitoring airborneGanodermaspore concentrations as a tool for assessing localGanodermapathogen infection levels.

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