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Journal articles on the topic 'Ecuadorian margin'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Lynner, Colton, Clinton Koch, Susan L. Beck, et al. "Upper-plate structure in Ecuador coincident with the subduction of the Carnegie Ridge and the southern extent of large mega-thrust earthquakes." Geophysical Journal International 220, no. 3 (2019): 1965–77. http://dx.doi.org/10.1093/gji/ggz558.

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SUMMARY The Ecuadorian convergent margin has experienced many large mega-thrust earthquakes in the past century, beginning with a 1906 event that propagated along as much as 500 km of the plate interface. Many subsections of the 1906 rupture area have subsequently produced Mw ≥ 7.7 events, culminating in the 16 April 2016, Mw 7.8 Pedernales earthquake. Interestingly, no large historic events Mw ≥ 7.7 appear to have propagated southward of ∼1°S, which coincides with the subduction of the Carnegie Ridge. We combine data from temporary seismic stations deployed following the Pedernales earthquake

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2

Van Melle, Jeremie, Washinton Vilema, Bastien Faure-Brac, et al. "Pre-collision evolution of the Piñón oceanic terrane of SW Ecuador: stratigraphy and geochemistry of the “Calentura Formation”." Bulletin de la Société Géologique de France 179, no. 5 (2008): 433–43. http://dx.doi.org/10.2113/gssgfbull.179.5.433.

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Abstract The stratigraphic revision of the southern coastal Ecuadorian series makes possible the reconstruction of the pre-collision history of the Caribbean plateau accreted to the Ecuadorian margin. The Coniacian age of the oceanic basement (Piñón Fm) indicates that the latter is part of the Caribbean oceanic plateau. It is overlain by the Calentura Fm, which comprises from base to top: (i) 20 to 200 m of lavas and volcanic breccias of arc affinity (Las Orquídeas Mb), (ii) siliceous, organic rich black limestones of (middle?) Coniacian age, (iii) red, radiolarian rich, calcareous cherts a

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3

VÉLEZ-ABARCA, LEISBERTH, GABRIEL A. ITURRALDE, HENRY X. GARZÓN, DIEGO GUTIÉRREZ DEL POZO, and LUIS E. BAQUERO. "A new species of the genus Octomeria (Orchidaceae: Pleurothallidinae) from Ecuador." Phytotaxa 637, no. 1 (2024): 106–12. http://dx.doi.org/10.11646/phytotaxa.637.1.8.

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A new species of Octomeria was found during an orchid research expedition in the southern Ecuadorian Amazon. Octomeria jimenezii is described and illustrated, and information on its distribution, habitat and conservation status is provided. The newly proposed taxon is morphologically similar to O. pacii, from which it differs by the lower lateral lobes, with an obtuse to subacute angle to the anterior margin.

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4

Bethoux, Nicole, Monica Segovia, Viviana Alvarez, et al. "Seismological study of the central Ecuadorian margin: Evidence of upper plate deformation." Journal of South American Earth Sciences 31, no. 1 (2011): 139–52. http://dx.doi.org/10.1016/j.jsames.2010.08.001.

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5

Bourdon, Erwan, Jean-Philippe Eissen, Marc-André Gutscher, Michel Monzier, Minard L. Hall, and Joseph Cotten. "Magmatic response to early aseismic ridge subduction: the Ecuadorian margin case (South America)." Earth and Planetary Science Letters 205, no. 3-4 (2003): 123–38. http://dx.doi.org/10.1016/s0012-821x(02)01024-5.

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6

Lourenco, Wilson. "The second confirmed record of the scorpion genus Chactas Gervais, 1844 (Scorpiones, Chactidae) from Ecuador with description of a new species from the Amazonian Province of Sucumbíos." ZooKeys 372 (January 22, 2014): 17–26. https://doi.org/10.3897/zookeys.372.6665.

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A new species, <i>Chactas moreti </i>sp. n., is described from Ecuadorian Amazonia. It can be distinguished from <i>Chactas mahnerti</i> Lourenço, 1995, the other known species of this genus from Ecuador by its smaller body size, distinct morphometric values, overall darker blackish-brown coloration, totally smooth vesicle, and a concave anterior margin of carapace. This is the second confirmed record of the genus <i>Chactas </i>Gervais from Ecuador. The geographical pattern of distribution of the genus is also discussed.

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7

Tamay, José, Jesús Galindo-Zaldivar, John Soto, and Antonio J. Gil. "GNSS Constraints to Active Tectonic Deformations of the South American Continental Margin in Ecuador." Sensors 21, no. 12 (2021): 4003. http://dx.doi.org/10.3390/s21124003.

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GNSS observations constitute the main tool to reveal Earth’s crustal deformations in order to improve the identification of geological hazards. The Ecuadorian Andes were formed by Nazca Plate subduction below the Pacific margin of the South American Plate. Active tectonic-related deformation continues to present, and it is constrained by 135 GPS stations of the RENAGE and REGME deployed by the IGM in Ecuador (1995.4–2011.0). They show a regional ENE displacement, increasing towards the N, of the deformed North Andean Sliver in respect to the South American Plate and Inca Sliver relatively stab

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8

Koch, Clinton D., Colton Lynner, Jonathan Delph, et al. "Structure of the Ecuadorian forearc from the joint inversion of receiver functions and ambient noise surface waves." Geophysical Journal International 222, no. 3 (2020): 1671–85. http://dx.doi.org/10.1093/gji/ggaa237.

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SUMMARY The Ecuadorian forearc is a complex region of accreted terranes with a history of large megathrust earthquakes. Most recently, a Mw 7.8 megathrust earthquake ruptured the plate boundary offshore of Pedernales, Ecuador on 16 April 2016. Following this event, an international collaboration arranged by the Instituto Geofisico at the Escuela Politécnica Nacional mobilized a rapid deployment of 65 seismic instruments along the Ecuadorian forearc. We combine this new seismic data set with 14 permanent stations from the Ecuadorian national network to better understand how variations in crusta

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9

Manchuel, Kevin, Marc Régnier, Nicole Béthoux, et al. "New insights on the interseismic active deformation along the North Ecuadorian-South Colombian (NESC) margin." Tectonics 30, no. 4 (2011): n/a. http://dx.doi.org/10.1029/2010tc002757.

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10

Gonzalez, Victor, and Terry Griswold. "Two new species of Paratrigona Schwarz and the male of Paratrigona ornaticeps (Schwarz) (Hymenoptera, Apidae)." ZooKeys 120 (July 25, 2011): 9–25. https://doi.org/10.3897/zookeys.120.1732.

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Two distinctive new species of the Neotropical stingless bee genus <i>Paratrigona</i> Schwarz from Ecuador and Paraguay are described and figured. The Ecuadorian species, <i>P. scapisetosa</i> <b>sp. n.</b>,<b> </b>belongs to the <i>haeckeli-lineatifrons </i>group and is easily distinguished from its congeners by the unique shape and pubescence of the antennal scape, which is distinctly convex on its outer margin and bears thick, long, simple hairs along its inner margin. The Paraguayan species, <i>P. wasbaueri</i> <b>sp. n.</b>,<b> </b>belongs to the <i>lineata</i> group and is easily disting

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11

Sergio, Castillo, Flores Miguel, and Herrera Giovanni. "Functional Data Analysis Applied to Financial Risk: a Case Study in Ecuadorian Credit Unions." Latin-American Journal of Computing 4, no. 1 (2017): 19–25. https://doi.org/10.5281/zenodo.5750751.

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There is a wide variety of statistical tools developed for making decisions in the business context. The analysis of functional data is a area of study of growing importance in the last years. In the present paper some of its applied techniques are proposed to make analysis of financial risk. Specifically, results from exploratory functional analysis, identification of atypical data and the construction of supervised classification models based on the risk classification of credit unions, subject to the control of the Superintendency of Banks of Ecuador, taking as functional variables the NPL

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12

ARIAS, RUTH, NELSON ESPINOSA-ORTEGA, ITALO REVILLA, RAFFAELLA ANSALONI, and SALVATORE TOMASELLO. "Gynoxys revolutifolia (Senecioneae, Asteraceae): A new species from southern Ecuador." Phytotaxa 644, no. 3 (2024): 211–19. http://dx.doi.org/10.11646/phytotaxa.644.3.4.

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Gynoxys is a very diverse genus of Asteraceae with an Andean distribution from Venezuela to northern Argentina. It comprises about 130 species, 34 of which are recorded in Ecuador. In the present study, we describe Gynoxys revolutifolia, a new species occurring in Ecuador between Loja and Zamora-Chinchipe provinces. The new species is a shrub or treelet characterized by coriaceous leaves with a strongly revolute margin. After an accurate revision of the main Ecuadorian herbaria and field surveys, we provide a comprehensive comparison of G. revolutifolia with the species it was previously misid

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13

Alonso, Miguel, Santos-Silva Edinaldo N. dos, and Damià Jaume. "A new species of Notodiaptomus from the Ecuadorian Andes (Copepoda, Calanoida, Diaptomidae)." ZooKeys 697 (September 14, 2017): 59–71. https://doi.org/10.3897/zookeys.697.12204.

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Notodiaptomus cannarensis sp. n. is described from a reservoir on the Amazonian slope of the Ecuadorian Andes. The new species is unique among diaptomid calanoid copepods in the display of hypertrophied, symmetrical wing-like extensions at each side of the female composite genital somite. Furthermore, it displays a female urosome reduced to only two somites due to the incorporation of abdominal somites III and IV to the composite genital double-somite, and a male right fifth leg with the outer spine of second exopodal segment recurved and implanted proximally on margin. It differs from any oth

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14

Marcaillou, Boris, Jean-Yves Collot, Alessandra Ribodetti, Elia d'Acremont, Ammy-Adoum Mahamat, and Alexandra Alvarado. "Seamount subduction at the North-Ecuadorian convergent margin: Effects on structures, inter-seismic coupling and seismogenesis." Earth and Planetary Science Letters 433 (January 2016): 146–58. http://dx.doi.org/10.1016/j.epsl.2015.10.043.

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15

León-Ríos, Sergio, Hans Agurto-Detzel, Andreas Rietbrock, et al. "1D-velocity structure and seismotectonics of the Ecuadorian margin inferred from the 2016 Mw7.8 Pedernales aftershock sequence." Tectonophysics 767 (September 2019): 228165. http://dx.doi.org/10.1016/j.tecto.2019.228165.

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16

FELIX, MÁRCIO, ADRIANE PEREIRA SILVA, VICTOR QUINTAS, NATHALIA HILUY PECLY, JOYCE ADRIANA FROZA, and GABRIEL MEJDALANI. "Juliaca Melichar, 1926 (Hemiptera: Cicadellidae: Cicadellinae) from Ecuador: description of a new species and identification key." Zootaxa 5604, no. 1 (2025): 77–83. https://doi.org/10.11646/zootaxa.5604.1.8.

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The sharpshooter genus Juliaca Melichar, 1926 has 38 known species, being among the most diverse genera of the Cicadellini from the Neotropical Region. Here we describe and illustrate a new species from Ecuador, Juliaca nigrosignata sp. nov., based on males and females from the Province of Sucumbíos (sub-Andean montane forest). The new species can be recognized by the white to brownish-white dorsum with a single, conspicuous black spot on the median portion of the crown; the aedeagus has the apical half directed ventrally and the apex moderately expanded; the female sternite VII has a convex p

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17

Mendoza Mejia, Jorge Luis, Mairelys Jaciel Torrealba Peña, Isidro Ignacio Alcívar Vera, and Felix Reinaldo Pastrán. "The learning styles and their impact on the academic education of ecuadorian university students." Revista Colombiana de Ciencias Sociales 14, no. 2 (2023): 607–29. http://dx.doi.org/10.21501/22161201.4043.

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The objective of this research was to learn about the influence of the use of learning styles in the virtual academic formation of ULEAM students, Extension El Carmen. To this end, the positivist paradigm was used through the quantitative approach, with correlational level field research. The study population was one thousand five hundred and two (1502) students, calculating a sample of three hundred and seven (307), which was extracted with 95% confidence criteria and 5% margin of error, taking two sections of each course at different levels, with the purpose of knowing different opinions fro

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18

Mamberti, Marc, Henriette Lapierre, Delphine Bosch, Etienne Jaillard, Jean Hernandez, and Mireille Polvé. "The Early Cretaceous San Juan Plutonic Suite, Ecuador: a magma chamber in an oceanic plateau?" Canadian Journal of Earth Sciences 41, no. 10 (2004): 1237–58. http://dx.doi.org/10.1139/e04-060.

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Sections through an oceanic plateau are preserved in tectonic slices in the Western Cordillera of Ecuador (South America). The San Juan section is a sequence of maficultramafic cumulates. To establish that these plutonic rocks formed in an oceanic plateau setting, we have developed criteria that discriminate intrusions of oceanic plateaus from those of other tectonic settings. The mineralogy and crystallization sequence of the cumulates are similar to those of intra-plate magmas. Clinopyroxene predominates throughout, and orthopyroxene is only a minor component. Rocks of intermediate composit

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19

Álvarez Palomeque, Catalina, and Luis Montaluisa Chasiquiza. "Educación, currículo y modos de vida: referentes para la construcción del conocimiento en el contexto ecuatoriano / Education, curriculum and way of life: references for the construction of knowledge in the ecuadorian context." Sophía 1, no. 13 (2012): 270. http://dx.doi.org/10.17163/soph.n13.2012.11.

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<p style="margin-bottom: 0cm; line-height: 100%;" align="justify"><span style="font-family: serif;"><span style="font-size: xx-small;">La educación, además de conocimiento, es formación para la vida. Se debe formar a las personas en las ciencias y en la sabiduría. La ciencia es conocimiento, mientras la sabiduría es un modo de vida acorde con la austeridad y fecundidad de la naturaleza, para dar sentido a nuestra existencia. En este documento se pretende: 1) discutir sobre la educación que puede seguir el Ecuador como comunidad, en el contexto con los demás pueblos de la Tier

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20

Michaud, Francois, Jean-Noël Proust, Alexandre Dano, et al. "Flare-Shaped Acoustic Anomalies in the Water Column Along the Ecuadorian Margin: Relationship with Active Tectonics and Gas Hydrates." Pure and Applied Geophysics 173, no. 10-11 (2016): 3291–303. http://dx.doi.org/10.1007/s00024-015-1230-7.

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21

Hoenle, Philipp, John Lattke, David Donoso, et al. "Odontomachus davidsoni sp. nov. (Hymenoptera, Formicidae), a new conspicuous trap-jaw ant from Ecuador." ZooKeys 948 (July 13, 2020): 75–105. http://dx.doi.org/10.3897/zookeys.948.48701.

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One of the largest species in its genus, Odontomachus davidsoni Hoenle, Lattke &amp; Donoso, sp. nov. is described from workers and queens collected at lowland forests in the Chocó-Darién bioregion in coastal Ecuador. The workers are characterized by their uniform red coloration, their large size (16–18 mm body length), and their frontal head striation that reaches the occipital margin. DNA barcodes (COI) and high resolution 2D images of the type material are provided, as well as an updated key for the Neotropical species of Odontomachus. In addition, a three-dimensional digital model of t

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22

Chiaradia, Massimo, Lluís Fontboté, and Agustín Paladines. "Metal Sources in Mineral Deposits and Crustal Rocks of Ecuador (1° N–4° S): A Lead Isotope Synthesis." Economic Geology 99, no. 6 (2004): 1085–106. http://dx.doi.org/10.2113/econgeo.99.6.1085.

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Abstract Ecuador consists of terranes having both continental (Chaucha, Tahuin, Loja terranes) and oceanic (Macuchi, Alao, Salado terranes) affinity, which were accreted to the Amazon craton from Late Jurassic to Eocene. Four main magmatic arcs were formed by the subduction of the Farallon/Nazca plate since the Jurassic: a Jurassic continental arc on the western margin of the Amazon craton, a Jurassic island arc (Alao terrane), an early Tertiary island arc (Macuchi terrane), and a middle-late Tertiary continental arc encompassing the terranes of Macuchi, Chaucha, Tahuin, Loja, and Alao after c

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23

Bourdon, Erwan, Jean-Philippe Eissen, Marc-André Gutscher, et al. "Slab melting and slab melt metasomatism in the Northern Andean Volcanic Zone : adakites and high-Mg andesites from Pichincha volcano (Ecuador)." Bulletin de la Société Géologique de France 173, no. 3 (2002): 195–206. http://dx.doi.org/10.2113/173.3.195.

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Abstract Situated in the fore-arc of the Northern Volcanic Zone (NVZ) of the Andes in Ecuador, Pichincha volcano is an active edifice where have been erupted unusual magmas as adakites and high-Mg andesites. The particular geodynamic setting of the ecuadorian margin (i.e. the flat subduction of the Carnegie Ridge) suggests that thermo-barometric conditions for the partial melting of the oceanic crust are accomplished beneath this volcano. Pichincha adakites possess all the geochemical and isotopic characteristics of slab melts described in various other arc settings. High-Mg andesites with geo

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24

Gassner, L., N. Thiel, and A. Rietbrock. "A synthetic 2-D-elastic full-waveform inversion study for the Ecuadorian margin—resolution capability of a dense onshore/offshore network." Geophysical Journal International 222, no. 2 (2020): 1236–44. http://dx.doi.org/10.1093/gji/ggaa244.

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SUMMARY Subduction zones are the places on the Earth where the greatest earthquakes occur. It is now widely accepted that seismic asperities at the interface of subducting plates play a major role in whether a region of a subduction zone behaves seismically, creating strong earthquakes or exhibits aseismic slip. In the last decades, huge advances have been made to decipher the underlying processes; however, the physical parameters along the subduction zone interfaces are still not very well known due to a sparsity of high-resolution experiments and significant costs associated with amphibious

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25

Tamay, J., J. Galindo-Zaldívar, Y. M. Martos, and J. Soto. "Gravity and magnetic anomalies of ecuadorian margin: Implications in the deep structure of the subduction of Nazca Plate and Andes Cordillera." Journal of South American Earth Sciences 85 (August 2018): 68–80. http://dx.doi.org/10.1016/j.jsames.2018.04.020.

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26

Michaud, Francois, Jean-Noël Proust, Alexandre Dano, et al. "Erratum to: Flare-Shaped Acoustic Anomalies in the Water Column Along the Ecuadorian Margin: Relationship with Active Tectonics and Gas Hydrates." Pure and Applied Geophysics 173, no. 4 (2016): 1429. http://dx.doi.org/10.1007/s00024-016-1262-7.

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27

Cadena, Edwin, Juan Abella, and Maria Gregori. "The first Oligocene sea turtle (Pan-Cheloniidae) record of South America." PeerJ 6 (March 23, 2018): e4554. http://dx.doi.org/10.7717/peerj.4554.

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The evolution and occurrence of fossil sea turtles at the Pacific margin of South America is poorly known and restricted to Neogene (Miocene/Pliocene) findings from the Pisco Formation, Peru. Here we report and describe the first record of Oligocene (late Oligocene, ∼24 Ma) Pan-Cheloniidae sea turtle remains of South America. The fossil material corresponds to a single, isolated and well-preserved costal bone found at the Montañita/Olón locality, Santa Elena Province, Ecuador. Comparisons with other Oligocene and extant representatives allow us to confirm that belongs to a sea turtle character

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28

Vallejo, Cristian, Santiago Almagor, Christian Romero, et al. "Sedimentology, Provenance and Radiometric Dating of the Silante Formation: Implications for the Cenozoic Evolution of the Western Andes of Ecuador." Minerals 10, no. 10 (2020): 929. http://dx.doi.org/10.3390/min10100929.

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The Silante Formation is a thick series of continental deposits, exposed along a trench-parallel distance of approximately 300 km within the Western Cordillera of Ecuador. The origin, tectonic setting, age and stratigraphic relationships are poorly known, although these are key to understand the Cenozoic evolution of the Ecuadorian Andes. We present new sedimentological, stratigraphic, petrographic, radiometric and provenance data from the Silante Formation and underlying rocks. The detailed stratigraphic analysis shows that the Silante Formation unconformably overlies Paleocene submarine fan

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29

Hoenle, Philipp, John Lattke, David Donoso, et al. "Odontomachus davidsoni sp. nov. (Hymenoptera, Formicidae), a new conspicuous trap-jaw ant from Ecuador." ZooKeys 948 (July 13, 2020): 75–105. https://doi.org/10.3897/zookeys.948.48701.

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One of the largest species in its genus, Odontomachus davidsoni Hoenle, Lattke & Donoso, sp. nov. is described from workers and queens collected at lowland forests in the Chocó-Darién bioregion in coastal Ecuador. The workers are characterized by their uniform red coloration, their large size (16–18 mm body length), and their frontal head striation that reaches the occipital margin. DNA barcodes (COI) and high resolution 2D images of the type material are provided, as well as an updated key for the Neotropical species of Odontomachus. In addition, a three-dimensional digital model of the w

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30

Matusov, Eugene. "A student's right to freedom of education and a teacher's fiduciary obligation to support it." Dialogic Pedagogy: An International Online Journal 8 (September 24, 2020): SF97—SF114. http://dx.doi.org/10.5195/dpj.2020.357.

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I feel honored to receive so many deep, critical, supportive, expanding, and thought-provoking commentaries on my original paper “A student’s right to freedom of education” from undergraduate university students, educators, and educational researchers. These commentaries involve different genres: on-the-margin contextual comments, theoretical essays, ethnographies of their pedagogical practices, reflective sharing of good and bad personal educational experiences, personal authorial opinions, critiques, students’ course evaluations, analysis of science-fiction literature, investigation of Bakht

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31

Deshoulliere, Grégory, and Natalia Buitron. "Singularity on the Margins: Autobiographical Writings among the Shuar of Ecuadorian Amazonia." Tipití: Journal of the Society for the Anthropology of Lowland South America 16, no. 2 (2019): 195–214. http://dx.doi.org/10.70845/2572-3626.1330.

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Deshoulliere, Grégory, and Arias Natalia Buitron. "Singularity on the Margins: Autobiographical Writings among the Shuar of Ecuadorian Amazonia." Tipití: Journal of the Society for the Anthropology of Lowland South America 16, no. 2 (2019): 195–214. https://doi.org/10.5281/zenodo.3952962.

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In this article we explore autobiographical writings from authors that live in the Amazonian Ecuador. By exploring first-person —nonpatrimonial— texts that have received much less attention in the scientific literature, the article contributes to theorizing a different way of transmitting tradition: one focused on individual praxis rather than on collective patrimony (on patrimonial writing in Amazonian Ecuador, see Buitron and Deshoulliere 2019). More precisely, through the analysis of three original autobiographical texts, we show how their authors appropriate writing to construc

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33

Clark, John L., Andrea Fernández, J. Nicolás Zapata, Camilo Restrepo-Villarroel, Dawson M. White, and Nigel C. A. Pitman. "Amalophyllon miraculum (Gesneriaceae), an exceptionally small lithophilous new species from the western Andean slopes of Ecuador." PhytoKeys 242 (June 11, 2024): 307–16. http://dx.doi.org/10.3897/phytokeys.242.118069.

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Recent exploratory field expeditions to the western slopes of the Ecuadorian Andes resulted in the discovery of a new species of Amalophyllon (Gesneriaceae). Amalophyllon miraculum J.L.Clark, sp. nov. is described from two localities in the Centinela region in the Santo Domingo de los Tsáchilas province. The new species is differentiated from congeners by the pendent habit, basal rosette of leaves, leaf blades with deeply serrate margins, and miniature size. Based on IUCN guidelines, a preliminary conservation status is assigned as Critically Endangered (CR).

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34

Clark, A. Kim. "Globalization Seen from the Margins: Indigenous Ecuadorians and the Politics of Place." Anthropologica 39, no. 1/2 (1997): 17. http://dx.doi.org/10.2307/25605848.

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35

Clark, John L., Andrea Fernández, J. Nicolás Zapata, Camilo Restrepo-Villarroel, Dawson M. White, and Nigel C. A. Pitman. "Amalophyllon miraculum (Gesneriaceae), an exceptionally small lithophilous new species from the western Andean slopes of Ecuador." PhytoKeys 242 (June 11, 2024): 307–16. https://doi.org/10.3897/phytokeys.242.118069.

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Recent exploratory field expeditions to the western slopes of the Ecuadorian Andes resulted in the discovery of a new species of <i>Amalophyllon</i> (Gesneriaceae). <i>Amalophyllon miraculum</i> J.L.Clark, sp. nov. is described from two localities in the Centinela region in the Santo Domingo de los Tsáchilas province. The new species is differentiated from congeners by the pendent habit, basal rosette of leaves, leaf blades with deeply serrate margins, and miniature size. Based on IUCN guidelines, a preliminary conservation status is assigned as Critically Endangered (CR).

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36

Carrillo, Paul, Dina Pomeranz, and Monica Singhal. "Dodging the Taxman: Firm Misreporting and Limits to Tax Enforcement." American Economic Journal: Applied Economics 9, no. 2 (2017): 144–64. http://dx.doi.org/10.1257/app.20140495.

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Reducing tax evasion is a priority for many governments. A growing literature argues that verifying taxpayer reports against third-party information is critical for tax collection. However, effectiveness can be limited when tax authorities face constraints to credible enforcement and taxpayers make offsetting adjustments on other margins. We exploit a policy intervention in which Ecuadorian firms were notified about detected revenue discrepancies. Most firms simply failed to respond. Firms that responded increased reported revenue, matching the discrepancy amount when provided. However, they a

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Camacho, M. Alejandra, Diego G. Tirira, Carl W. Dick, and Santiago F. Burneo. "Lophostoma carrikeri (Allen, 1910) (Chiroptera: Phyllostomidae): first confirmed records in Ecuador." Check List 10, no. 1 (2014): 217. http://dx.doi.org/10.15560/10.1.217.

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Herein we confirm the occurrence of Lophostoma carrikeri in Ecuador. One adult female was collected in Orellana province on 17 September 2012 at Boanamo, Waorani Ethnic Reserve, and another on 5 May 2013 at Yasuni Research Station, Yasuni National Park. These records extend the distributional range of the species about 570 km northwest of the nearest previously known record in Jenaro Herrera, Loreto, Peru. Both Ecuadorian localities are characterized by well-conserved primary Terra Firme rainforest. Morphological characters of the specimens presented here broaden the known intraspecific variat

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Camacho, M., Diego Tirira, Carl Dick, and Santiago Burneo. "Lophostoma carrikeri (Allen, 1910) (Chiroptera: Phyllostomidae): first confirmed records in Ecuador." Check List 10, no. (1) (2014): 217–20. https://doi.org/10.15560/10.1.217.

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Herein we confirm the occurrence of <em>Lophostoma carrikeri </em>in Ecuador. One adult female was collected in Orellana province on 17 September 2012 at Boanamo, Waorani Ethnic Reserve, and another on 5 May 2013 at Yasuni Research Station, Yasuni National Park. These records extend the distributional range of the species about 570 km northwest of the nearest previously known record in Jenaro Herrera, Loreto, Peru. Both Ecuadorian localities are characterized by well-conserved primary Terra Firme rainforest. Morphological characters of the specimens presented here broaden the known intraspecif

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Carpio Arias, Tannia Valeria, Marta Guijarro-Garvi, Yadira Alejandra Morejón-Terán, and María Teresa Ruíz-Cantero. "Social determinants of food insecurity experienced by Ecuadorian women during the COVID-19 pandemic of Summer 2020: an online survey at the individual level." FACETS 9 (January 1, 2024): 1–14. http://dx.doi.org/10.1139/facets-2023-0010.

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The COVID-19 pandemic has amplified concerns about food insecurity, prompting its investigation. An online pilot survey anonymously gathered responses from a non-probabilistic sample of 2058 Ecuadorian women. The Food and Agriculture Organization's Food Insecurity Experience Scale was used to measure moderate or severe food insecurity (MSFI). Data quality was assessed using the Rasch item response theory model; this is a single-parameter logistic model that considers food insecurity severity as a latent trait. The analysis produced MSFI prevalence rates with 90% confidence level margins of err

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Thoerle, Lisa, and ALEXANDER C. HIRTZ. "Three new Lepanthes species (Pleurothallidinae, Orchidaceae) from Ecuador." Phytotaxa 201, no. 1 (2015): 50. http://dx.doi.org/10.11646/phytotaxa.201.1.3.

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The Ecuadorian Lepanthes calochroma, L. peltata, and L. spiculifera are proposed as new species, and are described, illustrated, and compared with the most similar species. A brief history and description of the genus are included. The flowers of L. calochroma are similar to those of L. golbasto, but the plant is larger and the flowers are brilliantly colored with petals with an upper lobe longer than the lower. The flowers of L. peltata have an unusual bladeless lip, resembling that of L. alticola, but the latter is distinguished by much larger flowers with long-acuminate sepals. Lepanthes sp

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Camacho, M. Alejandra, Diego G. Tirira, Carl W. Dick, and Santiago F. Burneo. "Lophostoma carrikeri (Allen, 1910) (Chiroptera: Phyllostomidae): first confirmed records in Ecuador." Check List 10, no. 1 (2014): 217. https://doi.org/10.5281/zenodo.13438861.

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(Uploaded by Plazi for the Bat Literature Project) Herein we confirm the occurrence of Lophostoma carrikeri in Ecuador. One adult female was collected in Orellana province on 17 September 2012 at Boanamo, Waorani Ethnic Reserve, and another on 5 May 2013 at Yasuni Research Station, Yasuni National Park. These records extend the distributional range of the species about 570 km northwest of the nearest previously known record in Jenaro Herrera, Loreto, Peru. Both Ecuadorian localities are characterized by well-conserved primary Terra Firme rainforest. Morphological characters of the specimens pr

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42

Camacho, M. Alejandra, Diego G. Tirira, Carl W. Dick, and Santiago F. Burneo. "Lophostoma carrikeri (Allen, 1910) (Chiroptera: Phyllostomidae): first confirmed records in Ecuador." Check List 10, no. 1 (2014): 217. https://doi.org/10.5281/zenodo.13438861.

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Abstract:

(Uploaded by Plazi for the Bat Literature Project) Herein we confirm the occurrence of Lophostoma carrikeri in Ecuador. One adult female was collected in Orellana province on 17 September 2012 at Boanamo, Waorani Ethnic Reserve, and another on 5 May 2013 at Yasuni Research Station, Yasuni National Park. These records extend the distributional range of the species about 570 km northwest of the nearest previously known record in Jenaro Herrera, Loreto, Peru. Both Ecuadorian localities are characterized by well-conserved primary Terra Firme rainforest. Morphological characters of the specimens pr

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43

Camacho, M. Alejandra, Diego G. Tirira, Carl W. Dick, and Santiago F. Burneo. "Lophostoma carrikeri (Allen, 1910) (Chiroptera: Phyllostomidae): first confirmed records in Ecuador." Check List 10, no. 1 (2014): 217. https://doi.org/10.5281/zenodo.13438861.

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(Uploaded by Plazi for the Bat Literature Project) Herein we confirm the occurrence of Lophostoma carrikeri in Ecuador. One adult female was collected in Orellana province on 17 September 2012 at Boanamo, Waorani Ethnic Reserve, and another on 5 May 2013 at Yasuni Research Station, Yasuni National Park. These records extend the distributional range of the species about 570 km northwest of the nearest previously known record in Jenaro Herrera, Loreto, Peru. Both Ecuadorian localities are characterized by well-conserved primary Terra Firme rainforest. Morphological characters of the specimens pr

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44

Camacho, M. Alejandra, Diego G. Tirira, Carl W. Dick, and Santiago F. Burneo. "Lophostoma carrikeri (Allen, 1910) (Chiroptera: Phyllostomidae): first confirmed records in Ecuador." Check List 10, no. 1 (2014): 217. https://doi.org/10.5281/zenodo.13438861.

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Abstract:

(Uploaded by Plazi for the Bat Literature Project) Herein we confirm the occurrence of Lophostoma carrikeri in Ecuador. One adult female was collected in Orellana province on 17 September 2012 at Boanamo, Waorani Ethnic Reserve, and another on 5 May 2013 at Yasuni Research Station, Yasuni National Park. These records extend the distributional range of the species about 570 km northwest of the nearest previously known record in Jenaro Herrera, Loreto, Peru. Both Ecuadorian localities are characterized by well-conserved primary Terra Firme rainforest. Morphological characters of the specimens pr

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45

Camacho, M. Alejandra, Diego G. Tirira, Carl W. Dick, and Santiago F. Burneo. "Lophostoma carrikeri (Allen, 1910) (Chiroptera: Phyllostomidae): first confirmed records in Ecuador." Check List 10, no. 1 (2014): 217. https://doi.org/10.5281/zenodo.13438861.

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Abstract:

(Uploaded by Plazi for the Bat Literature Project) Herein we confirm the occurrence of Lophostoma carrikeri in Ecuador. One adult female was collected in Orellana province on 17 September 2012 at Boanamo, Waorani Ethnic Reserve, and another on 5 May 2013 at Yasuni Research Station, Yasuni National Park. These records extend the distributional range of the species about 570 km northwest of the nearest previously known record in Jenaro Herrera, Loreto, Peru. Both Ecuadorian localities are characterized by well-conserved primary Terra Firme rainforest. Morphological characters of the specimens pr

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46

Cárdenas-Calle, Maritza, Elba Mora, Genoveva Torres, et al. "Marine invertebrate and seaweed biodiversity of continental coastal Ecuador." Biodiversity Data Journal 8 (July 30, 2020): e53818. https://doi.org/10.3897/BDJ.8.e53818.

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This study summarises the diversity of living macroinvertebrates and seaweeds from the intertidal and subtidal rocky shores along Ecuadorian continental coast. Benthic macroinvertebrate communities and seaweeds were quantified over quadrants (50 × 50 cm) randomly placed on transects of 50 m length. A checklist of 612 species was generated: 479 species of macroinvertebrates and 133 species of seaweeds. Groups recorded were Mollusca (184 species), Cnidaria (70), Arthropoda (68), Annelida (60), Echinodermata (42), Chordata (18), Bryozoa (13), Porifera (22), Sipuncula (2), Brachiopoda and Platyhel

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Middleton, David J. "Ecology, reproductive biology and hybridization in Gaultheria L." Edinburgh Journal of Botany 48, no. 1 (1991): 81–89. http://dx.doi.org/10.1017/s0960428600003656.

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The ecology, reproductive biology and hybridization of species in the genus Gaultheria (Ericaceae) has been investigated with particular reference to those species in Ecuador. Most species were found to be plants of disturbed ground particularly on roadside banks and forest margins. The species in Ecuador were not seen to be visited by potential pollinators although fruit set was high. No animals were seen to eat the fleshy fruits. Male sterile plants of many species from throughout the distribution of the genus were observed indicating a higher level of gynodioecism in the genus than previous

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Yagual-Apolinario, Grace de los Angeles, and Carolina Amparo Monroy-Baquerizo. "Análisis del impacto del Impuesto a la Renta en el sector artesanal de calzado en el centro de Guayaquil periodos 2023-2024." Revista Científica Zambos 4, no. 1 (2025): 345–62. https://doi.org/10.69484/rcz/v4/n1/94.

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This article analyzes the impact of the income tax on the footwear handicraft sector in Guayaquil during the 2023-2024 period, with emphasis on the fiscal and structural barriers that limit the formalization and sustainability of the sector. Through a quantitative approach, surveys and historical data analysis were used to evaluate the effects of tax regulations on the profit margins and competitiveness of artisans. The results show a 23.14% reduction in the tax burden in 2024 thanks to the increase in the basic exempt fraction, which represents a significant tax relief. However, obstacles suc

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Gomez-Rodriguez, Victor, Roberto Tolozano-Benites, and Elena Tolozano-Benites. "LA UNIVERSIDAD BOLIVARIANA DEL ECUADOR EL SISTEMA DE EDUCACION SUPERIOR ECUATORIANO Y LA REALIDAD DE UN CANTON Y DE LAS ZONAS DE PLANIFICACION QUE LA ACOGEN." Identidad Bolivariana 5, no. 2 (2021): 1–5. http://dx.doi.org/10.37611/ib5ol21-5.

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El conocimiento y la información tienen el poder de transformar las economías y las sociedades. Las universidades, como instituciones de bien público se han convertido en el primer actor social para la generación de conocimientos organizados y en una plataforma para el desarrollo social. Está claro que en los países donde más inversión en educación hay, existe una mayor calidad de vida y hay un mayor ingreso per capital. En los países de América Latina la proporción de personas con educación terciaria es muy baja y, por ello, se ubican en la periferia de la sociedad del conocimiento, lo cual c

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de Córdova, Javier Fernández, Carlos Nivelo-Villavicencio, Carolina Reyes-Puig, Ulyses F. J. Pardiñas, and Jorge Brito. "A new species of crab-eating rat of the genus Ichthyomys, from Ecuador (Rodentia, Cricetidae, Sigmodontinae)." Mammalia 84, no. 4 (2020): 377–91. http://dx.doi.org/10.1515/mammalia-2019-0022.

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AbstractBased on two adult specimens collected in the Río León (Azuay, Ecuador), we describe a new highland species of a small crab-eating rat of the genus Ichthyomys Thomas (Rodentia, Cricetidae, Ichthyomyini). It is distinguishable from Ichthyomys hydrobates (Winge, 1891), the species phenetically closest to it, by its smaller size, bicolored tail (unicolored in I. hydrobates), broad and heavily fringed hindfoot (narrower and moderately fringed in I. hydrobates), and several craniodental traits (e.g. rostrum short broad; nasals anteriorly truncated; interorbital region narrow; supraorbital m

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