Search results for "Axon"
showing 10 items of 2126 documents
A new species of Kali (Salsoloideae, Chenopodiaceae) from Sicily, supported by molecular analysis
2015
Nomenclatural and taxonomical considerations on Kali , a controversial genus recently segregated from the polyphyletic Salsola s. lat. ( Chenopodiaceae ), are provided. The Kali group includes annual plants with leaves ending in a spine and lacking hypodermis, having also a cortex alternate to longitudinal chlorenchymatous striae. The species belonging to this genus mainly have a paleotemperate distribution (Europe, Asia and North Africa), occurring as aliens in North America, Australia and South Africa. A new species collected on Mt. Etna (Sicily), and closely related to K. australe , is described and illustrated as K. basalticum Its morphological and molecular features, karyology (2n=54),…
First Report of Agaricus aridicola in Saudi Arabia and Ecological Notes on Agaricus bisporus
2015
Agaricus aridicola is reported for the first time from Saudi Arabia while Agaricus bisporus is a new record for Northern region of Saudi Arabia. This study includes notes on taxonomy, ecology and distribution of both the species. It was also reported that the habitat of A. aridicola and A. bisporus are characterized by calcareous sandy soil, poor in organic matter, with presence of little amount of salinity.
DNA traces the origin of honey by identifying plants, bacteria and fungi
2021
The regional origin of a food product commonly affects its value. To this, DNA-based identification of tissue remains could offer fine resolution. For honey, this would allow the usage of not only pollen but all plant tissue, and also that of microbes in the product, for discerning the origin. Here we examined how plant, bacterial and fungal taxa identified by DNA metabarcoding and metagenomics differentiate between honey samples from three neighbouring countries. To establish how the taxonomic contents of honey reflect the country of origin, we used joint species distribution modelling. At the lowest taxonomic level by metabarcoding, with operational taxonomic units, the country of origin …
Novedades taxonómicas y nomenclaturales para la flora valenciana, II
2010
Continuando con la actualización taxonómica y nomenclatural de la flora valenciana, se proponen diez combinaciones nuevas y un nombre nuevo para táxones y nototáxones que crecen en el Mediterráneo occidental. Además, se designa un epitipo para Sideritis × angustifolia Lag., híbrido sobre cuya identidad ha existido gran controversia, y un lectotipo para Globularia linifolia Lam. Del mismo modo, se discute la citación correcta del lugar y fecha de publicación de cuatro táxones más. Taxonomic and nomenclatural novelties concerning the Valencian flora (eastern Spain), II: As a part of the taxonomical and nomenclatural update of vascular flora of the Valencian Community, ten new combinations and…
The essential oil composition of Centaurea immanuelis-loewii Degen growing wild in Bulgaria and chemotaxonomy of section Acrocentron
2021
In the present study, the chemical composition of the essential oil from aerial parts of the Balkan endemic, Centaurea immanuelis-loewii Degen (sect. Acrocentron, Asteraceae), collected in Bulgaria was evaluated by GC-MS. The main components of the oil were β-caryophyllene (23.2%), germacrene D (13.7%) and caryophyllene oxide (12.4%). Furthermore, a complete literature review on the composition of the essential oils of all the other taxa of Centaurea, belonging to section Acrocentron, studied so far, was performed and the chemotaxonomical variations in the composition of the essential oils is discussed.
Trepostomate bryozoans from the upper Katian (Upper Ordovician) of Morocco: gigantism in high latitude Gondwana platforms.
2015
AbstractA study of the Upper Ordovician trepostomate bryozoans belonging to the families Amplexoporidae and Monticuliporidae, from the eastern Anti-Atlas of Morocco, is presented here. They occur in the marly to fine-grained limestone, intermediate unit of the Khabt-el-Hajar Formation, late Katian in age, representing outer-ramp depositional environments. They inhabited the highest paleolatitude known for a bryozoan fauna during the Ordovician, estimated at more than 65–70ºS. A total of 11 species of the generaAnaphragma,Atactoporella,Homotrypa,Monotrypa,Monticulipora, andPrasoporaare described. Three species are already known from the equatorial-tropical paleocontinents of Baltica, Laurent…
Flawed Meta-Analysis of Biodiversity Effects of Forest Management
2010
It appears that the negative effect of forest managementon biodiversity has become an axiom. Whether the neg-ative effect, however, is a fact based on solid empiricalevidence is not self-evident. Most of the studies that ad-dress the issue suffer from a lack of geographic extentand taxonomic narrowness. Therefore, a synthesis draw-ing together results from the individual studies is direlyneeded. In their recent paper, Paillet et al. (2010) rise tothis challenge and present a formal pan-European meta-analysis of data from 49 papers representing 120 indi-vidual comparisons across 10 taxonomic groups. Theirsynthesis has the potential to be a landmark paper inecological research, but also to af…
In the Eye of the Beholder: How Regulatory Focus and Self-Efficacy Interact in Influencing Opportunity Recognition
2012
Although there is evidence that regulatory focus is associated with opportunity exploitation, there is a lack of research examining its role at the early stages of opportunity recognition. The present study makes two major contributions to address this gap. First, we demonstrate that entrepreneurs' promotion focus is positively related to opportunity recognition, whereas prevention focus is not significantly related to opportunity recognition. Second, integrating two theories of self-regulation – regulatory focus theory and self-efficacy theory – our findings reveal that a high promotion focus compensates for entrepreneurs' low levels of creative and entrepreneurial self-efficacy in opportu…
Review of the Chilean Anthicidae Sensu Lato (Insecta: Coleoptera), with Critical Notes on the Lemodinae and Tomoderinae, New Descriptions and Synonyms
2021
An account of the Anthicidae (ant-like flower beetles) and associated incertae sedis groups of Chile is presented. Forty seven species and subspecies are confirmed for the country (Anthicinae, Copobaeninae, Eurygeniinae, Lagrioidinae, Lemodinae, Tomoderinae), including 11 new to science: Ischyropalpus aberratus, I. quadrimaculatus, I. similis, Sapintus costae, Tomoderus cavithorax, T. differens, T. melanocephalus, T. nahuelbuta, Trichananca inexpectata, T. neotropica, T. poggiispp. nov.ProtoanthicusMoore et Vidal, 2005 is found to be congeneric with Trichananca Blackburn, 1891, a new synonym and three new combinations are proposed: Trichananca marziae (Moore et Vidal, 2005) comb. nov., T. p…
Action-oriented classification of families' information and communication actions: exploring mothers' viewpoints
2009
Action-oriented service and technology development begins with the idea that people use technologies to reach their action goals. Consequently, we should investigate user needs and how they can be satisfied, and adapt services and technologies to the natural course of actions. Here, we focus on family communication and investigate mobile communication service types for families. For this study 10 mothers were interviewed; we investigated the nature of their everyday information and communication needs and the different knowledge and information transfer actions that were discovered in their families. Qualitative analysis of these interviews was used to generate a taxonomy, which, in turn, c…