Pollen calendars: a guide to common airborne pollen in Andalusia

Martínez-Bracero, Moisés; Alcázar, Pilar; Guardia, Consuelo Díaz de la; González-Minero, Francisco José; Ruiz, L.; Pérez, María Del Mar Trigo; Galán, Carmen

doi:10.1007/s10453-015-9385-3

Cited by 48 publications

(15 citation statements)

References 21 publications

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“…These periods may represent the pollen seasons in Qatar. Generally, grass and Amaranthaceae pollen predominate in the spring period (May–June) in Southern Europe [ 31 ] and North America [ 32 ]. However, Amaranthaceae and Poaceae showed different patterns with other smaller peaks observed in late January (Amaranthaceae) and November to December (Poaceae), during the winter and cold seasons of Qatar.…”

Section: Discussionmentioning

confidence: 99%

“…Some limitations in our study must be considered in the interpretation of the findings, including the duration of the aerobiological sampling (2 years). Based on differences recorded over several years of aerobiological studies in different countries, long-term samplings are recommended to better establish daily and annual patterns for the different pollen types in a locality [ 31 , 32 ]. However, 2 years were considered sufficient to provide preliminary data that could help healthcare providers to identify the commonest pollen and provide the treatment approach and the needed immunotherapy [ 13 ].…”

Section: Discussionmentioning

confidence: 99%

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The association between airborne pollen monitoring and sensitization in the hot desert climate

Al‐Nesf

Gharbi

Mobayed

et al. 2020

Clin Transl Allergy

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Background Pollen is a major cause of allergic respiratory diseases. In Qatar, data on the presence and prevalence of allergenic airborne types of pollen is quite limited. Methods The study aimed to determine and correlate the most frequently implicated airborne pollen detected by aerobiological monitoring samplers in respiratory allergy symptoms. An aerobiological survey was started on May 8, 2017. Airborne pollen was collected using two Hirst type seven-day recorder volumetric traps. Skin prick test in patients attending allergy clinics in Doha using commercial extracts was conducted. Results Twenty-five pollen types representing the native, as well as the introduced plants, with a relatively low daily mean concentration were observed from May 2017 to May 2019. The highest pollen concentrations were reached by Amaranthaceae (58.9%), followed by Poaceae (21.7%). SPT revealed a comparatively higher degree of sensitization to pollen. Among 940 patients, 204 were sensitized to pollen (54% female) with 135 (66.2%) and 114 (55.8%) to Amaranthaceae and Poaceae, respectively. Some patients had polysensitization. There was a statistically significant association between Amaranthaceae, and asthma (r = 0.169, P = 0.016) and allergic rhinitis (r = 0.177, P = 0.012). Conclusions This is the first study to monitor airborne pollen in the state of Qatar. The main pollen detected were Amaranthaceae and Poaceae. Pollen may represent a possible exacerbating factor in adult patients with allergic diseases such as asthma and allergic rhinitis.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

The association between airborne pollen monitoring and sensitization in the hot desert climate

Al‐Nesf

Gharbi

Mobayed

et al. 2020

Clin Transl Allergy

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“…Back-trajectory analysis showed that pollen collected prior to flowering in the PDO area apparently came from elsewhere in Andalusia, for example from Huelva and Malaga, where flowering generally takes place earlier due to the more temperate coastal climate. Previous research in woody species has highlighted an advance in flowering in these areas of Andalusia (Alcázar et al ., 2011; Martínez-Bracero et al ., 2015; Velasco-Jiménez et al ., 2018).…”

Section: Discussionmentioning

confidence: 99%

Phenological and aerobiological study of vineyards in the Montilla-Moriles PDO area, Cordoba, southern Spain

et al. 2018

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Phenological and aerobiological research into major crops is of great value in adapting traditional processes to the new conditions prompted by global climate change. Data on flowering phenology and airborne pollen have also proved useful for harvest forecasting purposes. The current paper reports on an agrometeorological study carried out in the Montilla-Moriles Protected Designation of Origin area (Córdoba, southern Spain) in 2015 and 2016. The study focused on four grape cultivars produced at seven local vineyards (Pedro Ximénez, the most widely grown in the area; Verdejo; Muscat blanc à petits grains; and Chardonnay, which has been recently introduced). Phenological observations were performed on a weekly basis using the Biologische Bundesanstalt, Bundessortenamt und Chemische Industrie scale adapted for grapevine. Airborne pollen concentrations were monitored using one Hirst-type volumetric sampler and seven passive samplers. Airborne pollen was mainly detected in vineyards during inflorescence emergence and flowering. Year-on-year differences in climatic conditions led to differences in airborne pollen levels. The main variables affecting pollen concentrations were dew point and temperature. The life-cycles recorded here were shorter than in temperate climates but longer than in tropical climates. In terms of flowering period, the cultivars studied here were classed as ‘early cultivars’. Data obtained using local passive samplers located directly in the vineyard confirmed that the airborne pollen concentrations recorded by the volumetric sampler were representative of the study area.

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“…According to datasets obtained by Red Balear de Aeropalinología (2015) from a Hirst-type volumetric sampler (Hirst 1952) located in Alaior-Can Salord (Fig. 1) following the protocols of REA (Galán et al 2007;Martínez-Bracero et al 2015), the main atmospheric pollen assemblage is dominated by Cupressaceae, Oleaceae (Fraxinus, Olea), Pinaceae,…”

Section: Experimental Ground Stone Tools and Plant Materialsmentioning

confidence: 99%

Tracing microfossil residues of cereal processing in the archaeobotanical record: an experimental approach

Portillo

Llergo

Ferrer³

et al. 2016

Veget Hist Archaeobot

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Interdisciplinary methodological approaches are fundamental for studying tool use and crop processing patterns in the archaeological record. Many archaeological studies of plant microfossil evidence, primarily those of phytoliths, starch grains and pollen, are concerned with processing methods which can be replicated through experimentally produced plant residues. However, most of these studies rely on crop identification through the presence or absence of such microfossils while giving little or hardly any weight to taphonomy and formation processes, which are critical for interpreting archaeological contexts. An investigation of experimentally produced phytolith and pollen assemblages provides the opportunity to evaluate the impact of cereal processing on both microfossils. Controlled experiments were conducted at the Museum of Menorca, Balearic Islands, Spain, for assessing microfossil taphonomy using Iron Age Talayotic tools and Hordeum vulgare (hulled barley) grown nowadays on the island. For dehusking, a sandstone mortar and a wooden pestle were used outdoors, whereas grinding took place indoors using a limestone quern and handstone. The results indicate that the size of multicellular or anatomically connected phytoliths decreases as a result of mechanical degradation suffered through processing activities, whereas the proportion of cereal pollen grains increases through these processes. Additionally, experimental samples from dehusking and sieving provided abundant evidence of floral bracts, and also of other plant parts and even different plant species, such as phytoliths 2 from leaves and stems and non cereal pollen taxa, which were also to be found on the surfaces of the ground stone tools. These findings highlight the importance of integrating different lines of microfossil evidence and taking into account formation and taphonomic aspects, as well as the value of experimentally produced data for a better understanding of tool use and crop processing.

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Pollen calendars: a guide to common airborne pollen in Andalusia

Cited by 48 publications

References 21 publications

The association between airborne pollen monitoring and sensitization in the hot desert climate

The association between airborne pollen monitoring and sensitization in the hot desert climate

Phenological and aerobiological study of vineyards in the Montilla-Moriles PDO area, Cordoba, southern Spain

Tracing microfossil residues of cereal processing in the archaeobotanical record: an experimental approach

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