New records for Erythrodiplax fulva (Libellulidae: Odonata) from Brazil by Alejandro del Palacio, Victor Rennan Santos Ferreira, Joana Darc Batista, Leandro Juen

“…It was described based on specimens from Venezuela and later recorded from Guiana and French Guiana. We record the species from Brazil for the first time, comment on the importance of the distributional expansion range of E. fulva and point out the main differences between similar species.…”
Get full text

Geografia Regional em tempos de globalização: experiências da fronteira França-Brasil by Regional Geography in times of globalization: experiences from the France-Brazil border, Raimundo Nonato Junior

“…This study was based on a field research at French-Brazilian borders of Oiapoque, located between Amapá Brazilian state and French-Guiana ultramarine department, which presents tension in terms of regional and global territorial forces. …”
Get full text

Le bas-Oyapock : un fleuve, une frontière, des frontières ? by Sylvie Letniowska-Swiat, Valérie Morel

“…It is an original space, structurally a margin, which over time has developed logics of functioning in a pool of life atypical compared to the rest of the territories of French Guiana and Amapá. The antagonistic and complementary spatial functions of this border zone were set up in reaction to the degree of integration of this more or less thick border of national spaces and have over time erected it in transnational space. …”
Get full text

Oyapock coopération santé : une collaboration transfrontalière pour une meilleure prise en charge du VIH dans le bassin de l’Oyapock by Collectif

“…For these reasons, they prefer to cross the border to seek care in French Guiana. However, this follow-up is not optimal as patients need to pay the trip, deal with the fact they are staying illegally in the French territory and other administrative difficulties.  …”
Get full text

Le paysage façonné par le droit, entre la rationalité du droit positif et l’empirisme culturel juridique by Olivier Barrière

“…French positive law shapes the landscape in the context of ownership, public action planning and community projects, promoting the passage of a landscape right to a right to the landscape through the principle of landscape interest.However, the codified norms and legal instruments coming from public policies are adopted and taken within a paradigm context which try to reach a heritage value of the landscape, though imperfect.By integrating into the analysis as an illustration the example of the Indians Wayana located in the context of the overseas department of French Guiana, another dimension opens up and questions arise. …”
Get full text

L’huile de carapa chez les Wayãpi de Trois Sauts by Adèle Thomas, Barthelemy Miso, Pierre-Michel Forget, Marie Fleury

“…Three species have been identified in the Guiana Shield region, including two in French Guiana. On the Haut Oyapock, preliminary floristic inventories have highlighted the existence of a large population of Carapa guianensis Aubl., the seeds of which are used by the Wayãpi to produce oil. …”
Get full text

Médiations autour du patrimoine de l’esclavage à l’Écomusée municipal d’Approuague-Kaw (Guyane) : enjeux, état des lieux et perspectives by Damien Hanriot

“…The community eco-museum, Écomusée municipal d’Approuague-Kaw (Régina, French Guiana), is a Museum of a vast territory. It recently focused on the colonial and slavery period of the Lower-Approuague where the artifacts and features of this forgotten past can still be found today. …”
Get full text

Análise da atividade neoextrativista da mineração de ouro no estado do Amapá (2000-2020) by Rhuan Muniz Sartore Fernandes, Miguel Patrice Philippe Dhenin

“…Thus, it is observed that the socioenvironmental impacts arising from the neo-extractive activity of minerals favor the deforestation of protected areas and / or indigenous territories, particularly due to the illegal mining that crosses the borders of the state of Amapá (French Guiana and Suriname), the which makes it possible to observe that, despite the legal framework, the neo-extractive mining activity is responsible for favoring a degradation of the Amazonian biome, with the presence of land grabbing, the creation of highways, in addition to affecting the traditional mode.…”
Get full text

Digestive endoscopic removal of cocaine pellets: Safety evaluation by Alolia Aboikoni, Marion Wallyn, Timothée Bonifay, Piseth Chhorn, Balandougou Sylla, Marthe Alogo A Nwatsok, Alix Becar, Paul Ngock Dime, Thi Thu Nga Nguyen, Alexis Fremery, Lorenzo Garzelli, Houari Aissaoui, Magaly Zappa, Dominique Louvel

Get full text

Population Traits and a Female Perspective for Aglae and Exaerete, Tropical Bee Parasites (Hymenoptera, Apinae: Euglossini) by David W. Roubik

“…Female E. lepeletieri, here described from Amazonian Ecuador, has a range shown to also include French Guiana and Suriname. Female Aglae and Exaerete were larger than males. …”
Get full text

Migration typology of the world’s coastal exclaves by Anna V. Lialina, Angelina P. Plotnikova

“…Exclaves that lack attractiveness to migrants include those developing under harsh climatic conditions such as Alaska; those experiencing extreme temperatures and possessing underdeveloped economies like Oecussi-Ambeno, Temburong and French Guiana; and densely populated exclaves facing a massive refugee influx, such as Ceuta and Melilla. …”
Get full text

Very low prevalence of Plasmodium falciparum histidine-rich protein 2 (pfhrp2) gene deletion in the Brazil, Venezuela, and Guyana tri-border by Maria Eduarda Pereira Mascarenhas, Jaime Louzada, Renato Amorim Rosa, Gabriela Maíra Pereira de Assis, Flora Satiko Kano, Joseli Oliveira-Ferreira, Tais Nobrega de Sousa

“…The pattern of HRP2 sequences resembled that has been previously described in areas along the Brazil and French Guiana border. In conclusion, we have found a low prevalence of pfhrp2-deleted parasites in the north-central Guiana Shield, which contrasts with the findings reported at the Peru border. …”
Get full text

Tannin with sodium carbonate: A single additive for poured earth concrete with tropical soils by Lily Walter, Gildas Medjigbodo, Yannick Estevez, Laurent Linguet, Ouahcène Nait-Rabah

“…Mortars prepared with different dosages of tannin+Na2CO3 were tested and compared to the industrial dispersant sodium hexametaphosphate (NaHMP), using three tropical soils from French Guiana. Results showed that both tannin+Na2CO3 and NaHMP could fluidify the three soils, improved mechanical strength and water resistance, and reduced initial water content and shrinkage. …”
Get full text

Fast Task Scheduling With Model Predictive Control Integrating a Priority-Based Heuristic by Francesco Liberati, Manuel Donsante, Chiara Maria Francesca Cirino, Andrea Tortorelli

“…The use case motivating the work is given by the problem of managing the integration activities involved in the final assembly of the Vega rocket at the European space center in Kourou, French Guiana. There are two main objectives. The algorithm shall suggest to the planning operators an optimized scheduling of the activities, i.e., one which minimizes the total completion time (the makespan), while satisfying all the applicable constraints. …”
Get full text

Soil variation response is mediated by growth trajectories rather than functional traits in a widespread pioneer Neotropical tree by Levionnois, Sébastien, Tysklind, Niklas, Nicolini, Eric, Ferry, Bruno, Troispoux, Valérie, Le Moguedec, Gilles, Morel, Hélène, Stahl, Clément, Coste, Sabrina, Caron, Henri, Heuret, Patrick

“…White Sands (WS), on two sites for 70 adult trees of Cecropia obtusa Trécul (Urticaceae) in French Guiana. Cecropia is a widespread pioneer Neotropical genus that generally dominates early successional forest stages. …”
Get full text

A genomic duplication spanning multiple P450s contributes to insecticide resistance in the dengue mosquito Aedes aegypti by Bacot, Tiphaine, Haberkorn, Chloe, Guilliet, Joseph, Cattel, Julien, Kefi, Mary, Nadalin, Louis, Filee, Jonathan, Boyer, Frederic, Gaude, Thierry, Laporte, Frederic, Tutagata, Jordan, Vontas, John, Dusfour, Isabelle, Bonneville, Jean-Marc, David, Jean-Philippe

“…Two isofemale lines originating from French Guiana and being deprived from major target-site mutations showed distinct insecticide resistance levels. …”
Get full text

Geoconservation in Latin America and the Caribbean by Maria Da Gloria Motta Garcia, Marcos Antonio Leite Do Nascimento

“…Quesada-Román et al. (2022) focus on geodiversity, geoconservation, and geotourism in Central America, while Scammacca et al. (2022) assess the geodiversity in French Guiana, highlighting challenges and implications for sustainable planning. …”
Get full text