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5 Research products, page 1 of 1

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  • 2017-2021
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    Authors: 
    Yves Alarie; Mariano C. Michat; Gilbert L. Challet;
    Publisher: Zenodo
    Country: Argentina

    The third instars of Coelhydrus brevicollis Sharp and Darwinhydrus solidus Sharp are described and illustrated for the first time, with detailed morphometric and chaetotaxic analyses of the cephalic capsule, head appendages, legs, last abdominal segment, and urogomphi. A key for the identification of the third instars of the genera of Hyphydrini known in detail is provided. A parsimony analysis based on 49 informative larval characteristics was conducted using the program TNT. The consensus tree supports a placement of Coelhydrus Sharp and Darwinhydrus Sharp within the tribe Hyphydrini. Within the Hyphydrini, Coelhydrus is postulated to share a monophyletic origin with Hyphydrus Illiger and Desmopachria Babington. The phylogenetic placement of Darwinhydrus, however, remains contentious as our study found it part of an unresolved polytomy with Andex Sharp and Primospes Sharp. Fil: Alarie, Yves. Laurentian University; Canadá Fil: Michat, Mariano Cruz. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Biodiversidad y Biología Experimental y Aplicada. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad y Biología Experimental y Aplicada; Argentina Fil: Challet, Gilbert L.. Foothill Ranch; Estados Unidos

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    Authors: 
    Jesse Stewart;
    Publisher: Elsevier BV

    This study explores mid and high vowel perception in and across Ecuadorian Spanish, Quichua, and Media Lengua (a mixed language containing Quichua systemic elements and Spanish lexicon). Quichua and Media Lengua were originally considered three vowel systems comprised of /i, u, a/. However, recent production results reveal that mid vowels /e, o/ may have entered these languages through Spanish lexical borrowings. The aim of the present study is to test listener perception with minimal pairs containing different mid and high vowels to determine how listeners identify them. A two-alternative forced choice (2AFC) identification task experiment with paired stimuli, gradually modified along 10-step continua, revealed that listeners of all three languages demonstrate a relatively high degree of consistent response patterns with the exception of older Quichua listeners. The results of this study coupled with the ‘intermixed’ acoustic spaces in which the vowels are produced also call into question the predictions that might be made in theoretical models of L2/non-native speech perception.

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    Authors: 
    Giannis Spiliopoulos; Dimitris Zissis; Julio de La Cueva; Ioannis Kontopoulos;
    Publisher: Zenodo

    In this paper we present a complete framework for modelling and estimating vessel GHG emissions and related air pollutants (i.e. CO2 and SOx, NOx and PM) in ports, based on data collected from the Automatic Identification System (AIS). Our approach adopts a modified lambda architecture approach, which consists of a knowledge extraction batch processing step and a real time emissions calculation step. The approach makes it possible to automatically identify the berths or ports where emissions are high in a consistent and uniform way across the globe. This research is part of the Project OPS Master Plan for Spanish Ports (2015-EU-TM-0417) which is co-financed by the Connecting Europe Facility (CEF) for the building of the European Union's Trans-European Transport Network (TEN-T). http://poweratberth.eu/

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    Authors: 
    Magri, Stefania; Daniela, Di Bella; Taroni, Franco;
    Publisher: Zenodo
    Project: CIHR

    Next Generation Sequencing data of leukodystrophy gene panel analysis and segregation study data Sudy supported by Italian Ministry of Health. Grant Numbers: GR2016_02363337, RF2016_02361285

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    Authors: 
    Jesse Stewart;
    Publisher: Zenodo

    In Ecuador there exists a dynamic language contact continuum between Urban Spanish and Rural Quichua. This study explores the effects of competing phonologies with an analysis of voice onset time (VOT) production in and across three varieties of Ecuadorian highland Spanish, Quichua, and Media Lengua. Media Lengua is a mixed language that contains Quichua systemic elements and a lexicon of Spanish origin. Because of this lexical-grammatical split, Media Lengua is considered the most central point along the language continuum. Native Quichua phonology has a single series of voiceless stops (/p/, /t/, and /k/), while Spanish shows a clear voicing contrast between stops in the same series. This study makes use of nearly 8,000 measurements from 69 participants to (i) document VOT production in the aforementioned language varieties and (ii) analyse the effects of borrowings on VOT. Results based on mixed effects models and multidimensional scaling suggest that the voicing contrast has entered both Media Lengua and Quichua through Spanish lexical borrowings. However, the VOT values of voiced stops in Media Lengua align with those of Rural and L2 Spanish while Quichua shows significantly longer prevoicing values, suggesting some degree of overshoot.

Advanced search in
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includes
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The following results are related to Canada. Are you interested to view more results? Visit OpenAIRE - Explore.
5 Research products, page 1 of 1
  • Restricted
    Authors: 
    Yves Alarie; Mariano C. Michat; Gilbert L. Challet;
    Publisher: Zenodo
    Country: Argentina

    The third instars of Coelhydrus brevicollis Sharp and Darwinhydrus solidus Sharp are described and illustrated for the first time, with detailed morphometric and chaetotaxic analyses of the cephalic capsule, head appendages, legs, last abdominal segment, and urogomphi. A key for the identification of the third instars of the genera of Hyphydrini known in detail is provided. A parsimony analysis based on 49 informative larval characteristics was conducted using the program TNT. The consensus tree supports a placement of Coelhydrus Sharp and Darwinhydrus Sharp within the tribe Hyphydrini. Within the Hyphydrini, Coelhydrus is postulated to share a monophyletic origin with Hyphydrus Illiger and Desmopachria Babington. The phylogenetic placement of Darwinhydrus, however, remains contentious as our study found it part of an unresolved polytomy with Andex Sharp and Primospes Sharp. Fil: Alarie, Yves. Laurentian University; Canadá Fil: Michat, Mariano Cruz. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Biodiversidad y Biología Experimental y Aplicada. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad y Biología Experimental y Aplicada; Argentina Fil: Challet, Gilbert L.. Foothill Ranch; Estados Unidos

  • Restricted
    Authors: 
    Jesse Stewart;
    Publisher: Elsevier BV

    This study explores mid and high vowel perception in and across Ecuadorian Spanish, Quichua, and Media Lengua (a mixed language containing Quichua systemic elements and Spanish lexicon). Quichua and Media Lengua were originally considered three vowel systems comprised of /i, u, a/. However, recent production results reveal that mid vowels /e, o/ may have entered these languages through Spanish lexical borrowings. The aim of the present study is to test listener perception with minimal pairs containing different mid and high vowels to determine how listeners identify them. A two-alternative forced choice (2AFC) identification task experiment with paired stimuli, gradually modified along 10-step continua, revealed that listeners of all three languages demonstrate a relatively high degree of consistent response patterns with the exception of older Quichua listeners. The results of this study coupled with the ‘intermixed’ acoustic spaces in which the vowels are produced also call into question the predictions that might be made in theoretical models of L2/non-native speech perception.

  • Restricted
    Authors: 
    Giannis Spiliopoulos; Dimitris Zissis; Julio de La Cueva; Ioannis Kontopoulos;
    Publisher: Zenodo

    In this paper we present a complete framework for modelling and estimating vessel GHG emissions and related air pollutants (i.e. CO2 and SOx, NOx and PM) in ports, based on data collected from the Automatic Identification System (AIS). Our approach adopts a modified lambda architecture approach, which consists of a knowledge extraction batch processing step and a real time emissions calculation step. The approach makes it possible to automatically identify the berths or ports where emissions are high in a consistent and uniform way across the globe. This research is part of the Project OPS Master Plan for Spanish Ports (2015-EU-TM-0417) which is co-financed by the Connecting Europe Facility (CEF) for the building of the European Union's Trans-European Transport Network (TEN-T). http://poweratberth.eu/

  • Restricted
    Authors: 
    Magri, Stefania; Daniela, Di Bella; Taroni, Franco;
    Publisher: Zenodo
    Project: CIHR

    Next Generation Sequencing data of leukodystrophy gene panel analysis and segregation study data Sudy supported by Italian Ministry of Health. Grant Numbers: GR2016_02363337, RF2016_02361285

  • Restricted
    Authors: 
    Jesse Stewart;
    Publisher: Zenodo

    In Ecuador there exists a dynamic language contact continuum between Urban Spanish and Rural Quichua. This study explores the effects of competing phonologies with an analysis of voice onset time (VOT) production in and across three varieties of Ecuadorian highland Spanish, Quichua, and Media Lengua. Media Lengua is a mixed language that contains Quichua systemic elements and a lexicon of Spanish origin. Because of this lexical-grammatical split, Media Lengua is considered the most central point along the language continuum. Native Quichua phonology has a single series of voiceless stops (/p/, /t/, and /k/), while Spanish shows a clear voicing contrast between stops in the same series. This study makes use of nearly 8,000 measurements from 69 participants to (i) document VOT production in the aforementioned language varieties and (ii) analyse the effects of borrowings on VOT. Results based on mixed effects models and multidimensional scaling suggest that the voicing contrast has entered both Media Lengua and Quichua through Spanish lexical borrowings. However, the VOT values of voiced stops in Media Lengua align with those of Rural and L2 Spanish while Quichua shows significantly longer prevoicing values, suggesting some degree of overshoot.