Anthropogenic factors behind the recent population expansion of common ragweed (<i>Ambrosia artemisiifolia</i> L.) in Eastern Europe: is there a correlation with political transitions?

Kiss, Levente; Béres, I.

doi:10.1111/j.1365-2699.2006.01633.x

Cited by 54 publications

(52 citation statements)

References 7 publications

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“…These findings suggest that the risk of naturalization of the harmful alien agricultural weed species, in terms of species not found in Finland, can be regarded as minor but is greater for species occurring in Finland as casual aliens. However, the relatively old data sources used for the evaluation of species importance as a weed (Williams 1982, Williams andHunyadi 1987) may underestimate the risk for some individual species such as Ambrosia artemisiifolia (Kiss and Béres 2006) and Heracleum mantegazzianum , which have become noxious invasive weeds in the Central Europe in recent decades. Williams (1982) and Williams and Hunyadi (1987) classified those species as 'only of minor importance as a weed'.…”

Section: Discussionmentioning

confidence: 99%

“…Naturalization is primarily controlled by climatic factors, suggested by decline in species richness of alien plants with increasing latitude (Sax 2001, Pyšek andRichardson 2006). For invasion, factors related to habitat such as habitat availability , Chytrý et al 2009, Jauni and Hyvönen 2010, disturbance regime (Hobbs andHuenneke 1992, Kiss andBéres, 2006), resource availability (Davis et al 2000) and residence time Jarošík 2005, Williamson et al 2009), as well as the characteristics of the species (e.g. Thompson et al 1995, Pyšek andRichardson 2007), are of importance.…”

Section: Introductionmentioning

confidence: 99%

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Alien species in the Finnish weed flora

Hyvönen¹,

Jalli²

2008

AFSci

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The present study aimed at assessing the invasion of alien weed species in Finland based on a review of their occurrence in the Finnish weed flora. The evaluation was conducted for the three phases of the invasion process, i.e. introduction, naturalization and invasion. The literature review revealed that 815 alien weed species occur in Finland of which 314 are regarded as naturalized. Based on their occurrence in different climate zones, the risk of naturalization of new harmful alien weed species was deemed low for those species not currently found in Finland, but higher for species occurring as casual aliens in Finland. In the latter group, 10 species of concern were detected. Exploration of the distribution patterns of naturalized species within Finland revealed species occupancy to be dependent on the residence time of the species. Established neophytes can be expected to extend their ranges and to increase occupation of agricultural habitats in the future.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Alien species in the Finnish weed flora

Hyvönen¹,

Jalli²

2008

AFSci

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“…Namely, co-operatives were cut into smaller parcels due to privatization. Thus large, formerly well-kept agricultural fields were abandoned and quickly colonised by A. artemisiifolia (Kiss and Béres, 2006).…”

Section: Impacts On Agricultural Activitymentioning

confidence: 99%

The History of Ragweed in the World

Makra

Matyasovszky

Hufnágel

et al. 2015

AEER

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HU-6701 Szeged, P.O.B. 653, Hungary; (phone: +37-70-294-1310; fax: +36-62-544-624) Abstract. The aim of the study is to provide a survey on the history of ragweed worldwide. Its climate dependence, impacts in agriculture, health effects and social costs are also presented. In Europe common ragweed (Ambrosia artemisiifolia) is predominant of all Ambrosia species that is supported by population genetic data. The most important habitat areas of ragweed and the highest pollen concentrations occur, in decreasing order of the pollen levels (1) in the south-western part of the European Russia, (2) in the southern and eastern parts of Ukraine, (3) in the Pannonian Plain in Central Europe, (4) in the Rhône-Alpes region in France, furthermore (5) in the Po River valley in Italy. Besides Europe, ragweed occurs in China, India, Japan and in other Asian countries, furthermore in Australia and the Unites States of America. However, beyond the USA few information are available. Warming trends due to the climate change favours the expansion of ragweed, producing higher pollen levels worldwide. In association with the warming, increasing ambient CO 2 levels generate greater biomass and increased pollen production. Hence, ragweed pollen production can be expected to increase significantly under predicted future climate conditions, bringing severe impacts to areas that have yet been suffering slightly.

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“…There are evidences on the effect of air pollution upon allergens, increasing exposure to the latter, their concentration and/or biological allergenic activity [11][12][13]. Habitats and levels of pollen are changing in Europe, as a result of cultural factors, more international travel and climate change [14][15][16][17]. There is now considerable evidence to suggest that climate change will have, and has already had, impacts pollutants and allergenic pollen existing in the air of big cities.…”

Section: Introductionmentioning

confidence: 99%

Risk Factors for Asthma Hospitalization among Adults and Elderly

Makra¹

2015

Arch Otolaryngol Rhinold

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Joint effect of biological (pollen) and chemical air pollutants on asthma emergency room (ER) visits was analyzed for Szeged region of Southern Hungary. Our database of a nine-year period (1999)(2000)(2001)(2002)(2003)(2004)(2005)(2006)(2007) includes daily number of asthma emergency room (ER) visits, and daily mean concentrations of CO, PM 10 , NO, NO 2 , O 3 and SO 2 , furthermore two pollen variables (Ambrosia and total pollen excluding Ambrosia), as well. The analysis was performed for ER visits of asthma bronchiale using two age groups (adults and the elderly) of males and females for three seasons. Factor analysis was performed in order to clarify the relative importance of the pollutant variables affecting asthma ER visits. Asthma ER visits denote notably stronger associations with the pollutants in adult male than in adult female patients both for the pollen season of Ambrosia and the pollen-free season. Furthermore, adults are substantially more sensitive to severe asthma attack than the elderly for the season of total pollen excluding Ambrosia pollen. The joint effect of the chemical and pollen variables is the highest for the asthma ER cases in the pollen season of Ambrosia, basically due to the extra impact of the total pollen excluding Ambrosia pollen and partly due to Ambrosia pollen. A nonparametric regression technique was applied to discriminate between events of ER visit -no ER visit using pollen and chemical pollutants as explaining variables. Based on multiple correlations, the strongest relationships between ER visits and pollutants are observed during the pollen-free season. The elderly group with asthma bronchiale is characterized by weaker relationships between ER visits and pollutants compared to adults. Ratio of the number of correct decisions on the events of ER visit -no ER visit is lowest for the season of total pollen excluding Ambrosia pollen. Otherwise, similar conclusions hold as those received by multiple correlations. on aeroallergens. These include impacts on pollen amount, pollen allergen city, pollen season, plant and pollen distribution, and other plant attributes [18][19][20][21][22]. Hence, due to the continually increasing air pollution, respiratory diseases are of major concern worldwide. Air pollution of Hungary is one of the highest in Europe. Around 16,000 annual premature deaths attributable to exposure to ambient PM 10 concentrations are estimated in the country [23,24]. Furthermore, airborne pollen levels are also high. The Carpathian basin, involving Hungary (Figure 1) is considered the most polluted region with airborne ragweed (Ambrosia) pollen in Europe. Ambrosia in Hungary discharges the most pollen of all taxa; the ratio of its pollen release compared to the total pollen release in the late summer period is around 60-71% [25]. Highest counts on peak days in Szeged, Southern Hungary, are about one order of magnitude higher than those in other cities of Europe [26]. The sensitivity of patients to ragweed in Szeged is 83.7% [27]. About 30% of the Hungar...

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Anthropogenic factors behind the recent population expansion of common ragweed (Ambrosia artemisiifolia L.) in Eastern Europe: is there a correlation with political transitions?

Cited by 54 publications

References 7 publications

Alien species in the Finnish weed flora

Alien species in the Finnish weed flora

The History of Ragweed in the World

Risk Factors for Asthma Hospitalization among Adults and Elderly

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