Results 101 to 110 of about 16,542 (211)

Reconstruction of arboreal vegetation dynamics of the area of Museum-Reserve Kulikovo Pole in the middle and late Holocene

open access: yesNature Conservation Research: Заповедная наука, 2017
The paper presents reconstructions of vegetation and forest coverage dynamics in the area of the State Military-Historical and Natural Museum-Reserve «Kulikovo Pole» (Upper Don River basin) in the middle and late Holocene, based on modern and fossil ...
Elena Yu. Novenko
doaj   +1 more source

Pollen spectrum and risk of pollen allergy in central Spain [PDF]

open access: yes, 2010
The present work analyses the airborne pollen dynamic of the atmosphere of Toledo (central Spain), a World Heritage Site and an important tourist city receiving over 2 millions of visitors every year.
Galán, Carmen   +5 more
core  

Contribution to Early Holocene vegetation and climate history of Eastern Orinoco Llanos, Venezuela, from a paleoecological record of a Mauritia L.f. swamp Contribuição para a história da vegetação e clima durante o Holoceno Temprano do Llanos Orientais do Orinoco, Venezuela, a partir de um registro paleoecológico de um pântano Mauritia L.f.

open access: yesActa Amazonica, 2011
A palynological analysis of an organic paleosol found at 150-125 cm depth in a Mauritia swamp from the Eastern Orinoco Llanos is presented. The 25 cm pollen record summarizes the vegetation history during the Early Holocene, from 10,225 to 7,800 calendar
Alejandra Leal   +2 more
doaj   +1 more source

New observations on the stratigraphy and radiocarbon dates at the Cross Creek site, Opito, Coromandel Peninsula [PDF]

open access: yes, 2008
This paper re-examines stratigraphy and radiocarbon dates at Cross Creek in Sarah's Gully. Three new radiocarbon dates are presented for Layer 9, the earliest, and previously undated, occupation.
Furey, Louise   +3 more
core   +1 more source

PLANTAS ANEMÓFILAS DE LA REGIÓN DE BAHÍA BLANCA Y SU RELACIÓN CON LA POLINOSIS

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2010
This work deals with identification and registration of the flowering period of plants known or suspected of causing pollinosis in Bahía Blanca city and surrounding area. Firstly 21 species were selected for study, and pollen was collected. This material
Estela Aramayo   +3 more
doaj  

Seasonal Patterns and Allergenicity of Casuarina Pollen in Sydney, Australia: Insights from 10 Years of Monitoring and Skin Testing

open access: yesAtmosphere
Casuarina (Australian pine, She-oak) is native to Australia and South East Asia and is known for its abundant wind-borne pollen. Despite not being considered a major aeroallergen, some patients report respiratory symptoms upon exposure, with positive ...
Edwin R. Lampugnani   +4 more
doaj   +1 more source

Paleoclimate changes and ecosystem responses of the Bulgarian Black Sea zone during the last 26000 years [PDF]

open access: yesNature Conservation
Multi-proxy analysis (spore-pollen, dinoflagellate cysts, other non-pollen palynomorphs (NPPs), radiocarbon dating and lithology) was performed on marine sediments from three new cores retrieved during the two cruise expeditions on board the Research ...
Mariana Filipova-Marinova   +2 more
doaj   +3 more sources

CALENDARIO POLÍNICO DE ESPECIES POTENCIALMENTE ALERGÓGENAS Y SU RELACIÓN CON PARÁMETROS METEOROLÓGICOS EN VILLA VENTANA, PROVINCIA DE BUENOS AIRES

open access: yesBoletín Geográfico, 2014
Urban trees ensure multiple social and environmental benefits for residents in urban areas. But what will happen if these species are not the correct ones?.
Graciela M. Benedetti   +2 more
doaj  

Beekeeping and perception of local beekeepers on the diversity of bee flora and flowering phenology in the community of Welkait, Western Tigray, Ethiopia

open access: yesJournal of Agriculture and Environment for International Development
nowledge on honeybee flora is very crucial to identify diversity of honeybee plant species and their contribution in improving beekeeping. The study was conducted to identify the honeybee flora diversity, floral calendar, their nectar and pollen ...
Yeshwendm Asefaw   +5 more
doaj   +1 more source

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