Pollen from tree and shrub taxa in the atmosphere of Caxias do Sul (Rio Grande do Sul, Brazil)

Vergamini, Sandra Maria; Valencia-Barrera, Rosa María; Zoppas, Barbara Catarina de Antoni; Morales, Carmen Pérez; Fernández‐González, Delia

doi:10.1007/s10453-006-9021-3

Cited by 12 publications

(7 citation statements)

References 10 publications

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“…In neighboring countries, diversity is dependant on the cities, and differences probably arise from multiple factors. In Brazil (Caxias do Sul; Vergamini et al 2006) Cupressaceae pollen (more than 50% of the total registered grains) mainly corresponds to the Cupressus genus, the most abundant at this site and which represents as much as 92%. The proximity of several sources (15 m) to the sampler in conjunction with the copious productivity and favorable aerodynamic features for airborne grains would explain the high atmospheric concentration values detected (Meiffren 1988).…”

Section: Annual Patternmentioning

confidence: 99%

Airborne pollen patterns in Mar del Plata atmosphere (Argentina) and its relationship with meteorological conditions

Latorre

Caccavari²

2009

Aerobiologia

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This work is part of a series of aerobiological researches conducted in the city of Mar del Plata, Argentina. The annual, seasonal and daily features of the pollen cloud were analyzed over 2 years, together with the effects of the meteorological variables. Cupressaceae amounted to 75 and 54% of the annual total in each year, and it was analyzed separately due to its proven overrepresentation. Eighty-five pollen types were registered during the 2 years, bearing a similar annual pattern (more than 50% from August to November, December also being an important month). Arboreal pollen predominated between late winter and spring (61 and 49% of the annual total), while non-arboreal pollen did so from late spring to summer. The observed seasonality was significantly correlated with the monthly mean temperatures and associated with its effect on phenology. No significant differences along the day were detected between years and 50% of the daily total was recorded between 1000 and 1600 hours. The maximum concentration was registered at 1000 hours in spring and summer, but later in autumn and winter. Regarding the hourly scale, the significant correlation of total pollen with temperature and wind speed was positive, albeit negative with relative humidity. These effects are linked to airborne pollen release and transport.

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Section: Annual Patternmentioning

confidence: 99%

Airborne pollen patterns in Mar del Plata atmosphere (Argentina) and its relationship with meteorological conditions

Latorre

Caccavari²

2009

Aerobiologia

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“…Celtis was also recorded in cities of the same biogeographic region such as Mar del Plata (Latorre & Pérez, 1997), La Plata (Nitiu, 2003), Buenos Aires (Nitiu et al, 2003) and Bahía Blanca (Murray et al, 2010). Schinus was recorded in La Plata (Nitiu, 2003) and Bahía Blanca (Murray et al, 2010) while Myrsine was registered in Caxias do Sul (Brasil) (Vergamini et al, 2006) and La Plata (Nitiu, 2003).…”

Section: Discussionmentioning

confidence: 99%

“…In particular, in Mar del Plata and Bahía Blanca maximum concentrations were also recorded from August to April, and relatively low monthly concentrations were observed from January to April (Latorre & Caccavari, 2009;Murray et al, 2010). However, in other cities such as Buenos Aires (Nitiu et al, 2003) (Vergamini et al, 2006) and slightly lower than in Bahía Blanca (Murray et al, 2010) and Santiago de Chile (Rojas & Roure, 2001). However, Montevideo airborne pollen index is lower than those recorded in other cities of the region such as La Plata (Nitiu, 2006), Buenos Aires (Nitiu et al, 2003), Mar del Plata (Latorre & Pérez, 1997;Pérez & Páez, 1998).…”

Section: Discussionmentioning

confidence: 99%

“…Conversely, woody pollen dominates the spectra in other cities of Southern South America like Santiago de Chile (Rojas & Roure, 2001;Toro et al, 2015), Mar del Plata (Latorre & Caccavari, 2009), La Plata (Nitiu, 2006) and Caxias (Vergamini et al, 2006). In Montevideo, Poaceae is the most important pollen contributor.…”

Section: Discussionmentioning

confidence: 99%

“…In the region monitoring programs have been done in several cities in Argentina such as Mar del Plata (Bianchi, 1992;Latorre, 1997;Latorre & Caccavari, 2009;Latorre & Pérez, 1997;Pérez et al, 2001;, Buenos Aires (Noetinger et al, 1994;Nitiu et al, 2003), La Plata (Nitiu, 2006;Mallo et al, 2011), Bariloche (Bianchi & Olabuenaga, 2006) and Bahía Blanca (Murray et al, 2002;2016). Research programs are ongoing in Caxias do Sul (Lorscheitter et al, 1986;Vergamini et al, 2006) in Brazil and mainly in Santiago de Chile in Chile (Toro et al, 2015). The relative low number of aerobiological studies performed in the region strongly contrast with the very broad range of environmental gradients present in temperate South America (Olson et al, 2001).…”

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confidence: 99%

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General characteristics of airborne pollen in Montevideo city, Uruguay.

Tejera¹,

Beri²,

Martínez-Blanco³

2018

Bol. Soc. Argent. Bot.

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: This paper analyses daily and seasonal variations on pollen concentrations and the influence of meteorological conditions on the airborne pollen from June 2011 to May 2014. Data is also compared with results from a previous pollen survey from 2000-2001. Ninety-three taxa were identified, belonging to 49 trees and shrub taxa and 44 herbaceous taxa. The most important pollen sources were Poaceae, Platanus, Cupressaceae/Taxaceae, Eupatorieae type, Celtis, Urticaceae, Myrtaceae, Casuarina, Amaranthaceae, Cyperaceae, Fraxinus, Arecaceae, Ricinus communis, Moraceae, Myrsine, Ambrosia, Quercus, and Pinaceae. Pollen was recorded all year round but the main pollen season was from August to April. Inter-annual differences were observed on pollen indexes, dates and values of daily peak concentrations and monthly accumulated concentrations. Temperature, relative air humidity and wind speed and direction seem to be the most influential meteorological variables on pollen concentrations. The number of days that pollen concentrations are above moderate and high thresholds levels is estimated and woody and non-woody pollen concentrations would be above moderate levels on average 182 days per year.

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Description and Clinical Exposure of Allergic Plants

2018

Pollen Allergy in a Changing World

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Pollen from tree and shrub taxa in the atmosphere of Caxias do Sul (Rio Grande do Sul, Brazil)

Cited by 12 publications

References 10 publications

Airborne pollen patterns in Mar del Plata atmosphere (Argentina) and its relationship with meteorological conditions

Airborne pollen patterns in Mar del Plata atmosphere (Argentina) and its relationship with meteorological conditions

General characteristics of airborne pollen in Montevideo city, Uruguay.

Description and Clinical Exposure of Allergic Plants

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