نتایج جستجو برای: palynological studies

تعداد نتایج: 1426966  

Journal: :Brazilian Journal of Botany 2021

In Brazil, Sapindales is represented by six families Anacardiaceae, Burseraceae, Meliaceae, Rutaceae, Sapindaceae, and Simaroubaceae. Palynological studies on its members are varied, including few detailed descriptions as well palynotaxonomic analyses or brief diagnoses in floras ecological, paleopalynological, melissopalynological investigations. This study aimed to compile the main pollen cha...

Journal: :The Annals of occupational hygiene 1996
L Muriale E Lee J Genovese S Trend

A fatal accident involving concentrated hydrofluoric acid in a palynological laboratory is described. Similar deaths due to dermal exposure to concentrated hydrofluoric acid have been reported in the literature. It is evident that rigorous control measures including proper personal protective equipment and first aid are of utmost importance in the prevention of death and injury when handling hy...

2010
Suzanne A. G. Leroy Meriç Albay

Lake Sapanca, which is located on the Sakarya-Sapanca-İzmit corridor in NW Turkey, is a freshwater lake with numerous fish farms in its catchment. Palynological analyses including non-pollen palynomorphs of a short (38.5 cm) and a longer sediment core (586 cm), taken in the centre of the lake and dated in previous investigations, revealed the presence of brackish and marine palynomorphs. The lo...

Journal: :journal of sciences, islamic republic of iran 2009
m. asgharian rostami

an abrupt global warming event has been recorded in many parts of the world in sediments of latest maastrichtian age between 65.45-65.10 ma. this warm event was documented here at a section near ziyarat-kola in central alborz based on analysis of planktonic foraminifera. an unusual abundance of normally large-size species such as globotruncana arca, globigerinelloides subcarinatus, pseudoguembe...

2007
Cassandra Rowe

The islands of Torres Strait occupy a shallow area of submerged continental shelf narrowly separating Cape York Peninsula, Australia, from New Guinea. The human history of Torres Strait is unique with respect to mainland northern Australia. Island vegetation, however, exhibits a strong affinity with the environments of the western lowlands regions of Cape York Peninsula and with the vegetation ...

Journal: Geopersia 2014

Palynological analyses from exposed palaeolacustrine deposits located at the flanks of Damavand volcano, in the central AlborzMountains in Northern Iran, provide a broad idea of the temporal variation of vegetation according to climate changes during a rangeof limited time intervals during the Quaternary period. This research reveals that the regional vegetation of the study area had been asemi...

Journal: :geopersia 2014
jyoti sharma habib alimohammadian amavala bhattacharyya parminder ranhotra morteza djamali

palynological analyses from exposed palaeolacustrine deposits located at the flanks of damavand volcano, in the central alborzmountains in northern iran, provide a broad idea of the temporal variation of vegetation according to climate changes during a rangeof limited time intervals during the quaternary period. this research reveals that the regional vegetation of the study area had been asemi...

2013
Hina Fazal Nisar Ahmad Bilal Haider Abbasi

High-valued medicinal plants Achillea millefolium, Acorus calamus, Arnebia nobilis, Fumaria indica, Gymnema sylvestre, Origanum vulgare, Paeonia emodi, Peganum harmala, Psoralea corylifolia, Rauwolfia serpentina, and Vetiveria zizanioides were identified with the help of taxonomical markers and investigated for characterization and palynological studies. These parameters are used to analyze the...

Gypsophila hispida, sect. Hispidae, is reported for the first time from NW Iran. Illustrations, morphological and palynological descriptions and distribution are provided in detail, along with a key for the six taxa of subgen. Hagenia from Iran.  

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