Academic literature on the topic 'Brazil-Guyana border'

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Journal articles on the topic "Brazil-Guyana border"

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Reis, Nelson Joaquim, Serge Nadeau, Leda Maria Fraga, Leandro Menezes Betiollo, Maria Telma Lins Faraco, Jimmy Reece, Deokumar Lachhman, and Randy Ault. "Stratigraphy of the Roraima Supergroup along the Brazil-Guyana border in the Guiana shield, Northern Amazonian Craton - results of the Brazil-Guyana Geology and Geodiversity Mapping Project." Brazilian Journal of Geology 47, no. 1 (January 2017): 43–57. http://dx.doi.org/10.1590/2317-4889201720160139.

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ABSTRACT: The Geological and Geodiversity Mapping binational program along the Brazil-Guyana border zone allowed reviewing and integrating the stratigraphy and nomenclature of the Roraima Supergroup along the Pakaraima Sedimentary Block present in northeastern Brazil and western Guyana. The area mapped corresponds to a buffer zone of approximately 25 km in width on both sides of the border, of a region extending along the Maú-Ireng River between Mount Roraima (the triple-border region) and Mutum Village in Brazil and Monkey Mountain in Guyana. The south border of the Roraima basin is overlain exclusively by effusive and volcaniclastic rocks of the Surumu Group of Brazil and its correlated equivalent the Burro-Burro Group of Guyana.
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Handerson Joseph. "The haitian migratory system in the guianas: beyond borders." Diálogos 24, no. 2 (August 7, 2020): 198–258. http://dx.doi.org/10.4025/dialogos.v24i2.54154.

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The Guianas are an important migratory field in the Caribbean migratory system, whereby goods, objects, currencies, and populations circulate for different reasons: geographical, cultural proximity, climatic, geopolitical and socioeconomic factors. From the 1960s and 1970s, Haitian migration increased in the Guianas. Five decades later, after the January 2010 earthquake, the migratory spaces were intensified in the region, Brazil became part of them as a country of residence and transit to reach French Guiana and Suriname. In 2013, the routes were altered. Some migrants started to use the Republic of Guyana to enter Brazil through the border with Roraima, in the Amazon, or to cross the border towards Suriname and French Guiana. This article is divided into two levels. First, it describes the way in which migrants' practices and trajectories intersect national borders in the Guianas. Then, it analyzes the migratory system, documents and papers, and the problems that the different Haitian migratory generations raise in space and time. The ethnographic research is based on the Triple Border Brazil, Colombia and Peru, but also in Suriname, French Guiana and Haiti.
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KOK, PHILIPPE J. R. "A new species of Oreophrynella (Anura: Bufonidae) from the Pantepui region of Guyana, with notes on O. macconnelli Boulenger, 1900." Zootaxa 2071, no. 1 (April 14, 2009): 35–49. http://dx.doi.org/10.11646/zootaxa.2071.1.3.

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Oreophrynella seegobini sp. nov. is described from 2088 m elevation on Maringma tepui in the Pakaraima Mountains of Guyana, at the Guyana-Brazil border. The new species is mainly distinguished from known congeners by small size, indistinct frontoparietal crests, prominent postorbital crests, prominent suborbital crests, well-developed webbing on hand and foot, dorsal skin minutely spiculate with scattered medium to large elevated tubercles, ventral skin anteriorly rugose with few flat granules, posteriorly tuberculate, blackish brown dorsal colour, and dark brownish orange ventral colour. Data on four specimens of O. macconnelli collected on the southeast slope of the tepui are provided.
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Assumpção, Marcelo, and Alberto V. Veloso. "The 1885 M 6.9 Earthquake in the French Guiana–Brazil Border: The Largest Midplate Event in the Nineteenth Century in South America." Seismological Research Letters 91, no. 5 (May 20, 2020): 2497–510. http://dx.doi.org/10.1785/0220190325.

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Abstract In 4 August 1885, 06:30 local time, a strong earthquake (reported intensities up to VI–VII modified Mercalli intensity [MMI]) was felt in the French Guiana, causing slight damage. Recently discovered newspaper records show that this event was also felt as far as Georgetown (British Guyana), Belém, and several other localities along the Amazon River toward Manaus (Brazil). The distribution of intensities and the radius of the felt area indicate a magnitude around Mw 6.9, which makes it the largest known earthquake in the stable continental region of South America, since the nineteenth century. The epicenter, determined with four different attenuation relations, lies onshore near the border between the French Guiana and Brazil, although an epicenter offshore in the continental slope cannot be ruled out with 95% confidence. The epicenter (03.4° N, 52.9°W±100 km) likely lies in the Transamazonian (2.2–2.0 Ga) geochronological province in the Guyana shield of the Amazon craton. No nearby failed rift is known onshore near the epicenter, which would place this event in the ∼30% class of nonextended stable continental crust. Other nearby smaller earthquakes (both historical and instrumental) with magnitudes up to mb 5.2, indicate a cluster of seismicity in the region of the 1885 earthquake, possibly delineating an onshore seismic zone separate from the sparse seismicity along the continental shelf. This large midplate earthquake will likely affect future reevaluations of seismic hazard in midplate South America.
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KOK, PHILIPPE J. R. "A new highland species of Arthrosaura Boulenger, 1885 (Squamata: Gymnophthalmidae) from Maringma tepui on the border of Guyana and Brazil." Zootaxa 1909, no. 1 (October 20, 2008): 1–15. http://dx.doi.org/10.11646/zootaxa.1909.1.1.

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A new species of Arthrosaura (Squamata: Gymnophthalmidae) is described based on a female specimen obtained at 2112 m above sea level on Mount Maringma, a poorly known sandstone flat-topped table mountain (tepui) located in the eastern Pakaraima Mountains, at the Guyana-Brazil border. Arthrosaura hoogmoedi sp. nov. is mainly distinguished from its known congeners by the following combination of characters: four supraoculars, prefrontals in contact with loreals, lower eyelid opaque, 32–33 smooth temporal scales, middorsal scales distinctly narrower than adjacent dorsal scales, and a dark brown dorsum with a black middorsal stripe from nape to tail, and a tan ill-defined dorsolateral line from nape to midbody.
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RIVAS, GILSON A., CÉSAR R. MOLINA, GABRIEL N. UGUETO, TITO R. BARROS, CÉSAR L. BARRIO-AMORÓS, and PHILIPPE J. R. KOK. "Reptiles of Venezuela: an updated and commented checklist." Zootaxa 3211, no. 1 (February 29, 2012): 1. http://dx.doi.org/10.11646/zootaxa.3211.1.1.

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We update the list of reptiles of Venezuela, reporting a total of 370 species from the country (four of these exotic), arrangedin 122 genera (one exotic), 30 families and three orders. Introduced species and dubious or erroneous records are discussed.Taxonomic, nomenclatural and distributional comments are provided when required. Considering species of probableoccurrence in the country (known to occur in Colombia, Brazil and Guyana at localities very close to the Venezuelan border) and still undescribed taxa, we estimate that the total number of species in Venezuela could exceed 400.Se actualiza la lista de reptiles de Venezuela a un total de 370 especies (cuatro de ellas exóticas), pertenecientes a 122géneros (un exótico), 30 familias y tres órdenes. Se discuten las especies introducidas, los registros dudosos o erróneos yse proporcionan comentarios taxonómicos, nomenclaturales o de distribución en casos necesarios. Después de considerarlas especies de probable presencia en el país (registros conocidos cercanos a la frontera con Colombia, Brasil y Guyana) y los taxones aun no descritos, se estima que el número total de especies en Venezuela podría superar las 400 especies.
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KOK, PHILIPPE J. R., D. BRUCE MEANS, and FRANKY BOSSUYT. "A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America." Zootaxa 2934, no. 1 (June 30, 2011): 1. http://dx.doi.org/10.11646/zootaxa.2934.1.1.

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A new strabomantid frog of the genus Pristimantis Jiménez de la Espada, 1871 is described from the Eastern Pantepui Region, Guiana Shield, northern South America. The new species, Pristimantis aureoventris sp. nov., is known so far from two neighbouring tepuis, namely Wei Assipu Tepui (type locality) at the border between Guyana and Brazil and Mount Roraima in Guyana, and occurs between 2210–2305 m elevation. The new taxon is distinguished from all known congeners by the following combination of characters: Finger I < II; tympanum distinct; basal webbing between Toes IV-V; broad lateral fringes on fingers and toes; ventral skin areolate; vocal slits absent in male; two non-spinous whitish nuptial pads and vocal sac present in male; high degree of pattern polymorphism; throat, chest, and belly golden yellow, usually with reddish brown to dark brown mottling; internal organs little or not visible through the ventral skin in life. The call of the new species consists of bouts of a single amplitude-modulated (decreasing to the end) note repeated at a rate of ca. 18 notes/min with a dominant frequency ranging from 2180 to 2430 Hz.
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Farman, Mark L., Yukiko Eto, Tomomi Nakao, Yukio Tosa, Hitoshi Nakayashiki, Shigeyuki Mayama, and Sally A. Leong. "Analysis of the Structure of the AVR1-CO39 Avirulence Locus in Virulent Rice-Infecting Isolates of Magnaporthe grisea." Molecular Plant-Microbe Interactions® 15, no. 1 (January 2002): 6–16. http://dx.doi.org/10.1094/mpmi.2002.15.1.6.

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The AVR1-CO39 gene that came from a Magnaporthe grisea isolate from weeping lovegrass controls avirulence on the rice cultivar CO39. AVR1-CO39 was not present in the genome of the rice-infecting M. grisea isolate Guy11 from French Guyana, suggesting that the gene had been deleted. Molecular analysis of the deletion breakpoints in the AVR1-CO39 locus revealed the presence of a truncated copy of a previously unknown retrotransposon at the left-hand border. At the right-hand border was a truncated copy of another repetitive element that is present at multiple locations in the genome of Guy11. The structures of avr1-CO39 loci were further examined in 45 rice-infecting isolates collected in Brazil, China, Japan, India, Indonesia, Mali, and the Philippines. Most isolates showed no hybridization signal with the AVR1-CO39 probe and had the same locus structure as Guy11. Some isolates from Japan showed a signal with the AVR1-CO39 probe, but the region specifying avirulence activity was rearranged. These findings suggest that widespread virulence to ‘CO39’ among rice-infecting M. grisea isolates is due to ancestral rearrangements at the AVR1-CO39 locus that may have occurred early in the evolution of pathogenicity to rice.
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Vidal, Lux. "Kuahí: the indians of the Lower Oiapoque and their museum." Vibrant: Virtual Brazilian Anthropology 10, no. 1 (June 2013): 387–423. http://dx.doi.org/10.1590/s1809-43412013000100016.

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In recent decades we have witnessed a proliferation of museums, including indigenous museums, with an emphasis on regionalization and active participation of the collectivities in which they are inserted. This article involves the implementation of the Museum of the Indigenous Peoples of Oiapoque, which was a request made by the four ethnic groups that inhabit the region - the Palikur, Galibi Kali'na, Karipuna and Galibi Marworno - to the governor of Amapá in 1998. Since then, projects and actions have been realized for the revival and strengthening of the cultural heritage of these peoples that inhabit the far north of Brazil, on the border with French Guyana. We present these actions, their consequences and the articulation among partnerships (with indigenous organizations, government agencies and NGOs), which led to the development and operation of a regional museological institution that is dedicated to housing, preserving and promoting the cultural archives of these peoples, and to training indigenous museology technicians, teachers and researchers. Finally we address the importance of the different collections about these indigenous peoples that have been formed over the past two decades and report of the exhibitions mounted at the Kuahí Museum in Oiapoque and at the Museum of the Indian in Rio de Janeiro, emphasizing the specificity of each.
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Saboyá-Díaz, Martha Idalí, Angel F. Betanzos-Reyes, Sheila K. West, Beatriz Muñoz, Luis Gerardo Castellanos, and Marcos Espinal. "Trachoma elimination in Latin America: prioritization of municipalities for surveillance activities." Revista Panamericana de Salud Pública 43 (December 12, 2019): 1. http://dx.doi.org/10.26633/rpsp.2019.93.

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Objective. To identify and prioritize municipalities in 22 countries of Latin America for trachoma surveillance activities, to measure the absence or prevalence of trachoma, and to support validation and trachoma elimination efforts in the Region of the Americas. Methods. A prioritization scale was developed in 2017 to rank each municipality by considering a combination of three characteristics: (a) its trachoma vulnerability index, derived from three socioeconomic factors known to be risks for trachoma—lack of access to improved sanitation, to clean drinking water, and to adequate education, according to housing census data from early 2017; (b) its history of trachoma in countries where the disease was not a known public health problem in 2016; and (c) whether or not it shares a border with a municipality where trachoma was a known public health problem in 2016. Municipalities in 22 countries were classified as either very high, high, medium, or low priority for trachoma surveillance. From the Caribbean, only Trinidad and Tobago met inclusion criteria. Results. The prioritization scale identified 1 053 municipalities in Brazil, Colombia, and Guatemala as very high priority for trachoma surveillance. In Ecuador, El Salvador, Guyana, Paraguay, Peru, Suriname, and Venezuela, 183 municipalities were ranked as high priority, and in Argentina, Belize, Bolivia, Chile, Dominican Republic, Honduras, Nicaragua, Panama, and Uruguay, 677 municipalities were designated a medium priority for trachoma surveillance. Conclusions. This prioritization scale will be useful to countries in Latin America that still need to ascertain their current trachoma situation. The absence or prevalence of trachoma in countries designated as very high and high priority for trachoma surveillance activities must be studied to determine the extent of the disease in Latin America.
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Dissertations / Theses on the topic "Brazil-Guyana border"

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Conan, Claude. "Les populations aux frontières de la Guyane : caractéristiques singulières et fécondités contrastées : une recherche menée dans les communes guyanaises de Maripasoula, Grand-Santi, Saint-Laurent-du-Maroni, Mana et Saint-Georges de l'Oyapock, ainsi que dans le municipio d'Oiapoque (Brésil)." Thesis, Paris 1, 2018. http://www.theses.fr/2018PA01H008/document.

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La Guyane présente la fécondité la plus élevée de l’ensemble des régions françaises et également des autres territoires d’Amérique du Sud et de la Caraïbe : 3,3 enfants par femme estimés en 2018.Cette thèse propose une analyse des principaux déterminants de la fécondité en Guyane, notamment aux zones frontalières, les plus natalistes. Ce travail s’appuie sur les résultats d’une enquête par questionnaire menée auprès de femmes et d’hommes résidant dans quatre communes frontalières avec le Suriname, à l’ouest, et une commune frontalière avec le Brésil, à l’est. Un complément a été réalisé dans le municipio d’Oiapoque, au Brésil, à la frontière guyanaise.Cette thèse présente tout d’abord le contexte historique et ethnologique qui préside à la composition actuelle de la population de Guyane. Puis elle examine les caractéristiques sociologiques de la société guyanaise d’aujourd’hui, et notamment des communes frontalières, où les populations sont économiquement et socialement précaires, peu instruites et fréquemment migrantes.Explorant comment interagissent les déterminants socio­économiques, le niveau d’utilisation de la contraception, l’âge à la première maternité, le nombre actuel d’enfants et les normes de fécondité, les résultats de la recherche montrent qu’il y a deux situations bien distinctes : à l’est, pour les femmes d’origine brésilienne, la transition démographique est pratiquement terminée ; à l’ouest, pour les femmes bushinenge, elle ne fait que commencer.Cette recherche repose sur l’hypothèse que le moment présent se situe, pour les femmes bushinenge, à la charnière entre fécondité non régulée et fécondité régulée
French Guiana has the highest fertility level of all French regions and of other countries in South America and the Caribbean: on average, 3.3 children per woman estimated in 2018.This thesis aims to analyze the main determinants of fertility in French Guiana, particularly in border areas which present high birth rates. It draws on the results of a survey of women and men by questionnaire residing in four municipalities bordering Suriname in the West, and a border town with Brazil in the East. An additional survey was conducted in the municipality of Oiapoque in Brazil at the Guyanese border.Firstly, this thesis presents a historical and ethnological background that determine the current composition of the population of Guyana. Secondly, it examines the sociological characteristics of today’s Guyanese society, notably border municipalities where populations are economically and socially precarious, poorly educated and frequently migrating.Exploring the interaction between socioeconomic determinants, the level of contraceptive use, age at first birth, current number of children and fertility standards, our research findings show two different situations: demographic transition is almost complete in the East for women of Brazilian origin while in the West, for bushinenge women, demographic transition is just beginning.This research is based on the assumption that currently, fertility of bushinenge women is at a transition period between unregulated and regulated fertility
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Polezi, Carolina. "O BNDES e o financiamento da integração sulamericana: sistemas de engenharia na fronteira Brasil-Guiana Francesa." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/8/8136/tde-20052015-151521/.

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O presente trabalho busca compreender a importância que o Banco Nacional de Desenvolvimento Econômico e Social (BNDES) ganha a partir de 2003 com as ampliações dos financiamentos voltados para a construção de sistemas de engenharia, não somente dentro do território nacional, mas também no exterior (sobretudo na América do Sul). Partindo do processo de integração física das nações sulamericanas e da instalação de solidariedades geográficas (Santos, 1996) entre as regiões do continente, procuramos analisar as complementaridades nos territórios envolvidos em financiamentos dos bancos de desenvolvimento, em especial o BNDES, no qual se articulam Estados e empresas privadas na produção de novos sistemas de engenharia no continente. Nesse sentindo, buscamos compreender as verticalidades e horizontalidades geradas no espaço continental, dando ênfase no caso da fronteira do Brasil com a Guiana Francesa, onde foram instalados nos fixos geográficos que afetam diretamente a integração destes dois países (principalmente a Ponte Binacional Brasil-Guiana e a BR-156).
This paper seeks to understand the importance that the National Bank for Economic and Social Development (BNDES) wins from 2003 with the expansion of financing aimed at the construction of engineering systems, not only within the country but also abroad (especially in South America). Starting from the physical integration of South American nations and the installation of geographical solidarities (Santos, 1996) between the regions of the continent process, we analyzed the complementarities in the territories involved in financing from development banks, especially BNDES, which are articulated States and private companies in the production of new engineering systems on the continent. In that sense, we seek to understand the uprights and horizontalities generated in continental space, emphasizing the case of Brazil\'s border with French Guiana, where they were installed in the geographic fixed that directly affect the integration of these two countries (mainly Brazil-Guyana Binational Bridge and BR-156).
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Books on the topic "Brazil-Guyana border"

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Baines, Stephen Grant. Indigenous autonomies and rights on the Brazil-Guyana border: Makushi and Wapishana on an international border. Brasília: Departamento de Antropologia, Universidade de Brasília, 2005.

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