Search results for "Hotspot"

showing 8 items of 68 documents

Consistent phenological shifts in the making of a biodiversity hotspot: the Cape flora

2011

Abstract Background The best documented survival responses of organisms to past climate change on short (glacial-interglacial) timescales are distributional shifts. Despite ample evidence on such timescales for local adaptations of populations at specific sites, the long-term impacts of such changes on evolutionary significant units in response to past climatic change have been little documented. Here we use phylogenies to reconstruct changes in distribution and flowering ecology of the Cape flora - South Africa's biodiversity hotspot - through a period of past (Neogene and Quaternary) changes in the seasonality of rainfall over a timescale of several million years. Results Forty-three dist…

ecological nichesFloraEvolutionClimate ChangeBiodiversityClimate changesequence dataevolutionary responsesBiology580 Plants (Botany)MagnoliopsidaSouth AfricaCapeAdaptive radiationQH359-425Survival responsesskin and connective tissue diseasesrapid evolutionEcology Evolution Behavior and SystematicsPhylogenyEcological nicheEvolutionary BiologyEcologyheterogeneous environmentsPhenologyEcologyEPS-4flowering timeBiodiversityBiological EvolutionBiosystematiekfossil recordBiodiversity hotspot10121 Department of Systematic and Evolutionary Botany1105 Ecology Evolution Behavior and Systematicssouthern africaclimate-changeBiosystematicssense organsadaptive radiationResearch ArticleBMC Evolutionary Biology
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The Foundation Seamount Chain: A first survey and sampling

1997

The Foundation Seamounts form a 1400 km-long chain on the Pacific plate from 32 °S, 127 °W to the Pacific-Antarctic spreading axis at 38 °S, 111 °W. Previously only known from sparse single-beam echosoundings and satellite altimetry, we present here the first multibeam bathymetric survey and geological sampling results. We confirm that the submarine topography correlates with the altimetry, and that the chain is volcanic rather than tectonic or microcontinental in origin. The chain can be divided up morphologically and geochemically into three section: (1) west of 125 °W large flat-topped volcanoes composed of incompatible-element depleted lavas ( ≈ 1) of a near-ridge origin with little or …

geographyIncompatible elementgeography.geographical_feature_categoryPacific PlateSeamountGeologyOceanographyPlumePaleontologyTectonicsVolcanoGeochemistry and PetrologyRidgeHotspot (geology)SeismologyGeology
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Soil geography and diversity of the European biogeographical regions

2013

For decades, soil geography has beenmainly a qualitative and descriptive discipline. There are nowtechnologies and mathematical tools available that allow formalizing soil geography in more quantitative terms. In this paper, the distribution and diversity of the soils of Europe are analyzed using GIS tools and pedodiversity algorithms. Soil data were taken from the European Soil Database (V2.0) and computed within the spatial framework of the Biogeographical Regions of Europe (BGRE) as defined by the European Environmental Agency (EEA) on the basis of climate and vegetation. The results obtained show the soil assemblages, including dominant soils and endemic and non-endemic soil minorities,…

geographygeography.geographical_feature_categorySteppeEcologyBiomeBiogeographical regionsSoil ScienceContext (language use)VegetationSoil typeBiodiversity hotspotEuropeSoil endemismsPedodiversityEuropean Soil DatabaseEurope Soil geography Pedodiversity Biogeographical regions Soil minorities Soil endemismsSettore AGR/14 - PedologiaSoil minoritiesPedodiversitySoil geography
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Plant landscape and phytodiversity in the archeological area of Segesta (NW Sicily)

2018

In the system of Sicilian archaeological parks, the area of Segesta - an ancient city of western Sicily referring to the Carthaginian eparchy, - represents, together with Selinunte, Erice and Mothia, another integrated hotspot of biodiversity and archeaology. The current plant landscape is strongly influenced by a millenary anthropic transformation. There are no residual expressions of the original plant covering that, with reference to the environmental potential of the area, can be traced back to the evergreen Mediterranean forest dominated by Quercus ilex, presently only sporadically occurring in the area of the ruins, together with other species related to associations and upper syntaxa…

hotspot of biodiversit and archeaology Mediterranean tree crops aromatic plants exotic plants Ailanthus altissimaSettore BIO/02 - Botanica SistematicaSettore BIO/03 - Botanica Ambientale E Applicata
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Cómo crear una actividad H5P de imagen con puntos en el Aula Virtual

2023

En este videotutorial se muestra Cómo crear una actividad H5P de imagen con puntos (image hotspots) en el Aula Virtual (Moodle 3.11). Esta píldora forma parte del Proyecto de I+D+i “Contenido interactivo H5P y ODS en la enseñanza de lenguas extranjeras, de las ciencias sociales y en la formación de futuros/as docentes” (CIGE/2021/131) financiado por la Conselleria d’Innovació, Universitats, Ciència i Societat Digital del 01/01/2022 al 31/12/2023.

image hotspotsaula virtualUNESCO::PEDAGOGÍAH5Pmoodle
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Spatiotemporal hotspots analysis for exploring the evolution of diseases: An application to oto-laryngopharyngeal diseases

2013

Abstract View references (14) This paper presents a spatiotemporal analysis of hotspot areas based on the Extended Fuzzy C-Means method implemented in a geographic information system. This method has been adapted for detecting spatial areas with high concentrations of events and tested to study their temporal evolution. The data consist of georeferenced patterns corresponding to the residence of patients in the district of Naples (Italy) to whom a surgical intervention to the oto-laryngopharyngeal apparatus was carried out between the years 2008 and 2012

lcsh:Computer softwareGeographic information systemControl and OptimizationArticle Subjectbusiness.industrySpatiotemporal AnalysisComputational Mathematics Fuzzy C-Means disease analysis.disease analysisComputational Mathematicslcsh:QA76.75-76.765GeographyFuzzy C-MeansControl and Systems EngineeringGeoreferenceHotspot (geology)lcsh:Electrical engineering. Electronics. Nuclear engineeringbusinesslcsh:TK1-9971CartographyDemography
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Hotspot System in Italy: Politics of Refusal against the Economic Migrants and their Effects

2018

The purpose of this paper is to describe the aporias in the institutional discourse regarding the strategies of reception-refoulement of asylum seekers in Italy. First, it will analyze the evolution of the institutional discourse on security in recent years through a reflection on some aspects of the Schengen Treaty and the Dublin Convention of 1985 (Dublion I, II and III) and “Regimes of Mobility” (Glick Schiller & Salazar, 2013). Secondly, we will try to show that economic migrants, who are rejects according to “Hotspot system” and now to the decree “Minniti”, are often found them in severe distress conditions and in absolute inability to return to their countries. Refugees that circumven…

refugees/asylum seekers hotspot migration policies qualitative researchSettore SPS/12 - Sociologia Giuridica Della Devianza E Mutamento SocialeSettore SPS/07 - Sociologia Generale
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The System Hotspot: politics of refusal against the economic migrants and absence of good practicesfor contrasting the gender and sexual violence suf…

2017

Il saggio evidenzia come il discorso istituzionale, il discorso pubblico dei media e, infine, le interviste di testimoni significativi descrivono tre aspetti del fenomeno dei rifugiati / richiedenti asilo che non possono essere ricondotti in un'analisi coerente di "fare Europa" e un'interpretazione unica. L '"occidentalizzazione del pensiero critico" (Latouche, 1995) è quindi probabile che diventi un vero "nazionalismo occidentale", se i discorsi dal basso degli operatori culturali e dei mediatori linguistici non intervengono in maniera massiccia. I punti di crisi (Hotspot) confermano il tentativo di esclusione di alcuni rifugiati e richiedenti asilo. Un'esclusione dal sistema di protezione…

rifugiati/richiedenti asilo hotspotesclusione pregiudizio discorso pubblicoSettore SPS/07 - Sociologia Generalerefugees/asylum seekers hotspot exclusion bias public discourse
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