Results 61 to 70 of about 22,529 (270)
ABSTRACT Allergies are one of the major health challenges of our time, associated with a high individual burden of disease and high costs for the healthcare system. Given their prevalence, allergies are also highly relevant from a public health perspective. The development of allergic diseases is multifactorial. In addition to individual factors (e.g.,
Jobst Augustin +13 more
wiley +1 more source
Replicability of data collected for empirical estimation of relative pollen productivity [PDF]
The effects of repeated survey and fieldwork timing on data derived from a recently proposed standard field methodology for empirical estimation of relative pollen productivity (RPP) have been tested.
Bunting, M. Jane +2 more
core +2 more sources
Abstract Widespread aeolian loess‐paleosol and red clay sediments on the Chinese Loess Plateau (CLP) provide a globally unique terrestrial archive of Neogene–Quaternary climate. However, the timing and associated mechanisms of red clay to loess‐paleosol shift remain debated.
Xinxia Li +11 more
wiley +1 more source
High-resolution palynological analysis in Lake Sapanca as a tool to detect recent earthquakes on the North Anatolian Fault [PDF]
High-resolution palynological analysis of a 38-cm-long core collected from Lake Sapanca, northwest Turkey, reveals large earthquakes that occurred during the second half of the 20th century along the North Anatolian Fault Zone. Four events have disturbed
Boyraz, S, Gürbüz, A, Leroy, SAG
core +1 more source
Early to Mid‐Holocene Cool Temperature‐Induced Drought in Asian Interior
Abstract Hydroclimatic variations in mid‐latitude Asia during the early to mid‐Holocene and associated mechanisms remain disputed, hampering our understanding of atmospheric circulation controls on regional climatic changes. We report Holocene alkenone records from two Siberian lakes, documenting lake temperature and hydrological changes, and ...
Jiawei Jiang +6 more
wiley +1 more source
New data on the distribution of Amaranthus retroflexus and Brassica juncea in Mongolia
A study of the Mongolian flora and a survey of the herbarium collections of the Institute of General and Experimental Biology, Mongolian Academy of Sciences, conducted in 2019, provided new information on the geographical distribution of Amaranthus ...
V. I. Dorofeyev, Е. Ganbold
doaj +1 more source
Cinètica de la reacció de descomposició tèrmica de l’ascaridol en dissolució [PDF]
Existen diferencias entre los valores de algunas propiedades físicas de ascaridol natural aislado del vegetal denominado vulgarmente «Paico» (Chenopodium ambrosioides L., Chenopodiaceae) y la sustancia sintética obtenida mediante la reacción de ...
Cafferata, Lazaro +2 more
core +1 more source
Abstract Pollen records and models of pollen–vegetation relationships are required to reconstruct past plant abundances during the Holocene to answer specific questions on climate history, human impact, biodiversity, and their interactions. An important parameter for model applications is pollen productivity, estimated as relative pollen productivity ...
R. Navya +5 more
wiley +1 more source
Extraction, isolation and identification of flavonoid from Chenopodium album aerial parts
Chenopodium album L., (C. album) (family: Chenopodiaceae) is an annual shrub widely grown in Asia, Africa, Europe and North America. It is commonly known as Bathua (in Hindi), pigweed, fat hen or lamb-quarters. The leaves of C.
Sumit Arora, Prakash Itankar
doaj +1 more source
Características palinológicas y fisicoquímicas de tres tipos de mieles uniflorales del centro de Argentina [PDF]
Se estudiaron las características de 59 mieles monoflorales de Condalia microphylla Cav. (“piquillín”), Centaurea solstitialis L. (“abrepuño amarillo”) y Prosopis spp., provenientes de La Pampa, Argentina. Se determinaron caracteres polínicos (abundancia
Naab, O.A. +2 more
core +2 more sources

