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  1. AU="Andrea Terán-Valdez"
  2. AU=Cleverley Joanne AU=Cleverley Joanne
  3. AU="Feng, Shiguang"
  4. AU="De Falco, Antonio"
  5. AU="Plenter, R J"
  6. AU="Malarz, Janusz"

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  1. Artikel ; Online: Description of the tadpole of Cochranella resplendens and redescription of the tadpole of Hyalinobatrachium aureoguttatum (Anura, Centrolenidae)

    Andrea Terán-Valdez / Juan M. Guayasamin / Luis A. Coloma

    Phyllomedusa: Journal of Herpetology, Vol 8, Iss 2, Pp 105-

    2009  Band 124

    Abstract: The tadpole of Cochranella resplendens is described and that of Hyalinobatrachium aureoguttatum is redescribed; information on their ontogenetic variation also is included. Cochranella resplendens is characterized by having a non-emarginated oral ... ...

    Abstract The tadpole of Cochranella resplendens is described and that of Hyalinobatrachium aureoguttatum is redescribed; information on their ontogenetic variation also is included. Cochranella resplendens is characterized by having a non-emarginated oral apparatus and an upperjaw sheath nearly straight with a smooth arch in the middle. Hyalinobatrachium aureoguttatum has an emarginated oral apparatus with a characteristic M-shaped upper jaw sheath and bears few (1–5) submarginal papillae on the upper labium. Although the two species show few changes in the oral apparatus during their development(except for changes in Gosner Stages 24 and 42 in C. resplendens and 23–24 in H. aureoguttatum), there are major ontogenetic changes in size and coloration.
    Schlagwörter Anura ; Centrolenidae ; larvae ; ontogeny ; Ecuador ; Biology (General) ; QH301-705.5
    Sprache Englisch
    Erscheinungsdatum 2009-12-01T00:00:00Z
    Verlag Universidade de São Paulo
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  2. Artikel ; Online: Description of the tadpole of Cochranella resplendens and redescription of the tadpole of Hyalinobatrachium aureoguttatum (Anura, Centrolenidae)

    Andrea Terán-Valdez / Juan M. Guayasamin / Luis A. Coloma

    Phyllomedusa: Journal of Herpetology, Vol 8, Iss

    2009  Band 2

    Abstract: The tadpole of Cochranella resplendens is described and that of Hyalinobatrachium aureoguttatum is redescribed; information on their ontogenetic variation also is included. Cochranella resplendens is characterized by having a non-emarginated oral ... ...

    Abstract The tadpole of Cochranella resplendens is described and that of Hyalinobatrachium aureoguttatum is redescribed; information on their ontogenetic variation also is included. Cochranella resplendens is characterized by having a non-emarginated oral apparatus and an upper jaw sheath nearly straight with a smooth arch in the middle. Hyalinobatrachium aureoguttatum has an emarginated oral apparatus with a characteristic M-shaped upper jaw sheath and bears few (1-5) submarginal papillae on the upper labium. Although the two species show few changes in the oral apparatus during their development (except for changes in Gosner Stages 24 and 42 in C. resplendens and 23-24 in H. aureoguttatum), there are major ontogenetic changes in size and coloration.
    Schlagwörter Anura ; Centrolenidae ; larvae ; ontogeny ; Ecuador ; Biology (General) ; QH301-705.5
    Sprache Englisch
    Erscheinungsdatum 2009-12-01T00:00:00Z
    Verlag Universidade de São Paulo
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  3. Artikel ; Online: Mature Andean forests as globally important carbon sinks and future carbon refuges

    Alvaro Duque / Miguel A. Peña / Francisco Cuesta / Sebastián González-Caro / Peter Kennedy / Oliver L. Phillips / Marco Calderón-Loor / Cecilia Blundo / Julieta Carilla / Leslie Cayola / William Farfán-Ríos / Alfredo Fuentes / Ricardo Grau / Jürgen Homeier / María I. Loza-Rivera / Yadvinder Malhi / Agustina Malizia / Lucio Malizia / Johanna A. Martínez-Villa /
    Jonathan A. Myers / Oriana Osinaga-Acosta / Manuel Peralvo / Esteban Pinto / Sassan Saatchi / Miles Silman / J. Sebastián Tello / Andrea Terán-Valdez / Kenneth J. Feeley

    Nature Communications, Vol 12, Iss 1, Pp 1-

    2021  Band 10

    Abstract: Here, the authors investigate the aboveground carbon sink efficiency of Andean forests. The study shows the high potential of these forests to serve as future carbon refuges, and urges to reduce deforestation and increase restoration. ...

    Abstract Here, the authors investigate the aboveground carbon sink efficiency of Andean forests. The study shows the high potential of these forests to serve as future carbon refuges, and urges to reduce deforestation and increase restoration.
    Schlagwörter Science ; Q
    Sprache Englisch
    Erscheinungsdatum 2021-04-01T00:00:00Z
    Verlag Nature Portfolio
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  4. Artikel ; Online: Author Correction

    Alvaro Duque / Miguel A. Peña / Francisco Cuesta / Sebastián González-Caro / Peter Kennedy / Oliver L. Phillips / Marco Calderón-Loor / Cecilia Blundo / Julieta Carilla / Leslie Cayola / William Farfán-Ríos / Alfredo Fuentes / Ricardo Grau / Jürgen Homeier / María I. Loza-Rivera / Yadvinder Malhi / Agustina Malizia / Lucio Malizia / Johanna A. Martínez-Villa /
    Jonathan A. Myers / Oriana Osinaga-Acosta / Manuel Peralvo / Esteban Pinto / Sassan Saatchi / Miles Silman / J. Sebastián Tello / Andrea Terán-Valdez / Kenneth J. Feeley

    Nature Communications, Vol 12, Iss 1, Pp 1-

    Mature Andean forests as globally important carbon sinks and future carbon refuges

    2021  Band 1

    Schlagwörter Science ; Q
    Sprache Englisch
    Erscheinungsdatum 2021-06-01T00:00:00Z
    Verlag Nature Portfolio
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  5. Artikel ; Online: Replacement of the name Pristimantis viridis Valencia, Yánez-Muñoz, Betancourt-Yépez, Terán-Valdez y Guayasamin, 2010

    Jorge H. Valencia / Mario H. Yánez-Muñoz / Raquel Betancourt-Yépez / Andrea Terán-Valdez / Juan M. Guayasamin

    ACI Avances en Ciencias e Ingenierías, Vol 3, Iss

    2011  Band 1

    Abstract: Recently, Valencia et al. [1] we described a new species of Pristimantis from the northwestern foothills of Ecuador. However, we made a mistake in using a specific epithet previously occupied for a frog of eastern and western foothills of Antioquia, ... ...

    Abstract Recently, Valencia et al. [1] we described a new species of Pristimantis from the northwestern foothills of Ecuador. However, we made a mistake in using a specific epithet previously occupied for a frog of eastern and western foothills of Antioquia, Colombia [2]. Under Chapter 12, Article 53.3 of the International Code of Zoological Nomenclature ICZN, Pristimantis viridis Valencia, Yánez-Muñoz, Betancourt-Yépez, Terán-Valdezy Guayasamin, 2010 is considered a junior homonym. To solve this problem, and following the provisions of Art. 60.3 of ICZN [3], we propose the name Pristimantis rufoviridis nomen novum replacing Pristimantis viridis Valencia, Yánez-Muñoz, Betancourt-Yépez, Terán-Valdez y Guayasamin. The specific epithet rufoviridis comes from the combination of words in Latin rufus (red, reddish) and viridis (green), and refers to the greenish color with red spots on the back of this frog. The rufoviridis epithet is used as a noun in apposition. Although the color pattern is green in the two species, P viridis has a pale green or “apple green” immaculate without obvious stains [2], as opposed to P rufoviridis which has obvious reddish spots. As P rufoviridis , P viridis has no clear phylogenetic position within the genre Pristimantis [2].
    Schlagwörter Pristimantis rufoviridis nomen novum ; Pristimantis viridis ; Engineering (General). Civil engineering (General) ; TA1-2040 ; Science (General) ; Q1-390
    Thema/Rubrik (Code) 590
    Sprache Englisch
    Erscheinungsdatum 2011-06-01T00:00:00Z
    Verlag Universidad San Francisco de Quito
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  6. Artikel ; Online: A striking new species of Pristimantis (Anura

    Jorge H. Valencia / Mario H. Yánez-Muñoz / Raquel Betancourt-Yépez / Andrea Terán-Valdez / Juan M. Guayasamin

    ACI Avances en Ciencias e Ingenierías, Vol 2, Iss

    Terrana: Strabomantidae) of the northwestern foothills of the Andes of Ecuador

    2010  Band 3

    Abstract: We describe a new species of the diverse genus Pristimantis. The new species is characterized by having a green dorsum with reddish marks, acuminate snout with papilla at tip, conical ulnar and tarsal tubercles, and by lacking cranial crests. The new ... ...

    Abstract We describe a new species of the diverse genus Pristimantis. The new species is characterized by having a green dorsum with reddish marks, acuminate snout with papilla at tip, conical ulnar and tarsal tubercles, and by lacking cranial crests. The new species inhabits the northwestern Andean slopes of Ecuador.
    Schlagwörter Anura ; Terrarana ; Strabomantidae ; Pristimantis viridis especie nueva ; Imbabura ; Carchi ; Andes occidentales ; Ecuador ; Engineering (General). Civil engineering (General) ; TA1-2040 ; Science (General) ; Q1-390
    Sprache Englisch
    Erscheinungsdatum 2010-12-01T00:00:00Z
    Verlag Universidad San Francisco de Quito
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  7. Artikel ; Online: Red List assessment of amphibian species of Ecuador

    H Mauricio Ortega-Andrade / Marina Rodes Blanco / Diego F Cisneros-Heredia / Nereida Guerra Arévalo / Karima Gabriela López de Vargas-Machuca / Juan C Sánchez-Nivicela / Diego Armijos-Ojeda / José Francisco Cáceres Andrade / Carolina Reyes-Puig / Amanda Belén Quezada Riera / Paul Székely / Octavio R Rojas Soto / Diana Székely / Juan M Guayasamin / Fausto Rodrigo Siavichay Pesántez / Luis Amador / Raquel Betancourt / Salomón M Ramírez-Jaramillo / Bruno Timbe-Borja /
    Miguel Gómez Laporta / Juan Fernando Webster Bernal / Luis Alfredo Oyagata Cachimuel / Daniel Chávez Jácome / Valentina Posse / Carlos Valle-Piñuela / Daniel Padilla Jiménez / Juan Pablo Reyes-Puig / Andrea Terán-Valdez / Luis A Coloma / Ma Beatriz Pérez Lara / Sofía Carvajal-Endara / Miguel Urgilés / Mario H Yánez Muñoz

    PLoS ONE, Vol 16, Iss 5, p e

    A multidimensional approach for their conservation.

    2021  Band 0251027

    Abstract: Ecuador is one of the most biodiverse countries in the world, but faces severe pressures and threats to its natural ecosystems. Numerous species have declined and require to be objectively evaluated and quantified, as a step towards the development of ... ...

    Abstract Ecuador is one of the most biodiverse countries in the world, but faces severe pressures and threats to its natural ecosystems. Numerous species have declined and require to be objectively evaluated and quantified, as a step towards the development of conservation strategies. Herein, we present an updated National Red List Assessment for amphibian species of Ecuador, with one of the most detailed and complete coverages for any Ecuadorian taxonomic group to date. Based on standardized methodologies that integrate taxonomic work, spatial analyses, and ecological niche modeling, we assessed the extinction risk and identified the main threats for all Ecuadorian native amphibians (635 species), using the IUCN Red List Categories and Criteria. Our evaluation reveals that 57% (363 species) are categorized as Threatened, 12% (78 species) as Near Threatened, 4% (26 species) as Data Deficient, and 27% (168 species) as Least Concern. Our assessment almost doubles the number of threatened species in comparison with previous evaluations. In addition to habitat loss, the expansion of the agricultural/cattle raising frontier and other anthropogenic threats (roads, human settlements, and mining/oil activities) amplify the incidence of other pressures as relevant predictors of ecological integrity. Potential synergic effects with climate change and emergent diseases (apparently responsible for the sudden declines), had particular importance amongst the threats sustained by Ecuadorian amphibians. Most threatened species are distributed in montane forests and paramo habitats of the Andes, with nearly 10% of them occurring outside the National System of Protected Areas of the Ecuadorian government. Based on our results, we recommend the following actions: (i) An increase of the National System of Protected Areas to include threatened species. (ii) Supporting the ex/in-situ conservation programs to protect species considered like Critically Endangered and Endangered. (iii) Focalizing research efforts towards the description of new ...
    Schlagwörter Medicine ; R ; Science ; Q
    Thema/Rubrik (Code) 333
    Sprache Englisch
    Erscheinungsdatum 2021-01-01T00:00:00Z
    Verlag Public Library of Science (PLoS)
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  8. Artikel ; Online: Ongoing harlequin toad declines suggest the amphibian extinction crisis is still an emergency

    Stefan Lötters / Amadeus Plewnia / Alessandro Catenazzi / Kelsey Neam / Andrés R. Acosta-Galvis / Yesenia Alarcon Vela / Joshua P. Allen / Juan O. Alfaro Segundo / Ana de Lourdes Almendáriz Cabezas / Gilbert Alvarado Barboza / Kleiton R. Alves-Silva / Marvin Anganoy-Criollo / Ernesto Arbeláez Ortiz / Jackeline D. Arpi Lojano / Alejandro Arteaga / Onil Ballestas / Diego Barrera Moscoso / José D. Barros-Castañeda / Abel Batista /
    Manuel H. Bernal / Esteban Betancourt / Youszef Oliveira da Cunha Bitar / Philipp Böning / Laura Bravo-Valencia / José F. Cáceres Andrade / Diego Cadenas / Juan Carlos Chaparro Auza / Giovanni A. Chaves-Portilla / Germán Chávez / Luis A. Coloma / Claudia F. Cortez-Fernandez / Elodie A. Courtois / Jaime Culebras / Ignacio De la Riva / Vladimir Diaz / Luis C. Elizondo Lara / Raffael Ernst / Sandra V. Flechas / Thibaut Foch / Antoine Fouquet / Carmen Z. García Méndez / Juan Elias García-Pérez / Diego A. Gómez-Hoyos / Samuel C. Gomides / Jorge Guerrel / Brian Gratwicke / Juan M. Guayasamin / Edgardo Griffith / Valia Herrera-Alva / Roberto Ibáñez / Carlos Iván Idrovo / Andrés Jiménez Monge / Rafael F. Jorge / Alisha Jung / Blake Klocke / Margarita Lampo / Edgar Lehr / Carrie H. R. Lewis / Erik D. Lindquist / Yeny R. López-Perilla / Glib Mazepa / Guido F. Medina-Rangel / Andrés Merino Viteri / Kevin Mulder / Mauricio Pacheco-Suarez / Andry Pereira-Muñoz / José Luis Pérez-González / Maria Alejandra Pinto Erazo / Adolfo Gustavo Pisso Florez / Marcos Ponce / Vicky Poole / Amanda B. Quezada Riera / Aarón J. Quiroz / Michelle Quiroz-Espinoza / Alejandro Ramírez Guerra / Juan P. Ramírez / Steffen Reichle / Hugo Reizine / Mauricio Rivera-Correa / Bernardo Roca-Rey Ross / Andrés Rocha-Usuga / Miguel Trefaut Rodrigues / Sintana Rojas Montaño / Daniela C. Rößler / Luis Alberto Rueda Solano / Celsa Señaris / Alexander Shepack / Fausto R. Siavichay Pesántez / Anton Sorokin / Andrea Terán-Valdez / Grecia Torres-Ccasani / Pablo C. Tovar-Siso / Lina M. Valencia / David A. Velásquez-Trujillo / Michael Veith / Pablo J. Venegas / Jeferson Villalba-Fuentes / Rudolf von May / Juan F. Webster Bernal / Enrique La Marca

    Communications Earth & Environment, Vol 4, Iss 1, Pp 1-

    2023  Band 8

    Abstract: Abstract Biodiversity loss is extreme in amphibians. Despite ongoing conservation action, it is difficult to determine where we stand in overcoming their extinction crisis. Among the most threatened amphibians are the 131 Neotropical harlequin toads. ... ...

    Abstract Abstract Biodiversity loss is extreme in amphibians. Despite ongoing conservation action, it is difficult to determine where we stand in overcoming their extinction crisis. Among the most threatened amphibians are the 131 Neotropical harlequin toads. Many of them declined since the 1980s with several considered possibly extinct. Recently, more than 30 species have been rediscovered, raising hope for a reversing trend in the amphibian extinction crisis. We use past and present data available for harlequin toads (Atelopus), to examine whether the amphibian extinction crisis is still in an emergency state. Since 2004 no species has improved its population status, suggesting that recovery efforts have not been successful. Threats include habitat change, pathogen spread and climate change. More mitigation strategies need implementation, especially habitat protection and disease management, combined with captive conservation breeding. With harlequin toads serving as a model, it is clear that the amphibian extinction crisis is still underway.
    Schlagwörter Geology ; QE1-996.5 ; Environmental sciences ; GE1-350
    Thema/Rubrik (Code) 333
    Sprache Englisch
    Erscheinungsdatum 2023-11-01T00:00:00Z
    Verlag Nature Portfolio
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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