Results 41 to 50 of about 4,058 (171)

Treerunners, cryptic lizards of the Plica plica group (Squamata, Sauria, Tropiduridae) of northern South America

open access: yesZooKeys, 2013
The arboreal, Neotropical lizard Plica plica (Linnaeus, 1758) has been long considered a widespread species with a distribution east of the Andes. A preliminary examination of 101specimens from about 28 locations mostly north of the Amazon suggests Plica
John Murphy, Michael Jowers
doaj   +1 more source

Governing Without Enforcing: Foundational Legal Infrastructure and the Capacity–Justiciability Gap in AI Rights Protection

open access: yesRegulation &Governance, EarlyView.
ABSTRACT Across 124 jurisdictions, formal legal architecture for AI‐related rights protection—including data protection legislation, independent oversight authorities, and sanctioning powers—is substantially more developed than the institutional conditions that make those rights operationally enforceable in practice.
Carlos García‐Llorente   +1 more
wiley   +1 more source

O que pretende o Brasil na Guiana Essequibo?

open access: yesMeridiano 47, 2017
The article discusses the hydropower project to be developed on the Mazaruni River, in Guyana, which seeks to export energy to Brazil. Mazaruni River is located in the Esequibo region, historically claimed by Venezuela.
Roberta Rodrigues Marques da Silva
doaj  

New records of Imantodes lentiferus (Cope, 1894) (Squamata: Dipsadidae) from the states of Pará and Mato Grosso, Brazil [PDF]

open access: yesCheck List, 2015
The arboreal snake Imantodes lentiferus (Cope, 1894) is distributed in lowland rainforests of the Amazon basin and Guiana region, reported from Colombia, Ecuador, Peru, Suriname, French Guiana, Guyana, Bolivia, Venezuela, and Brazil.
Jossehan Frota   +3 more
doaj   +3 more sources

Technical Change Through Global Value Chains: Evidence From Firms Worldwide

open access: yesThe World Economy, EarlyView.
ABSTRACT We study the impact of global value chain (GVC) participation on firms' innovation, productivity, and other indicators of technical change. Our dataset encompasses heterogeneous firms from 144 countries at different income levels over the period 2006–2025.
Ivan Ledezma   +1 more
wiley   +1 more source

Demographic Dynamics and International Trade: Stylized Facts and Theoretical Insights

open access: yesJournal of Economic Surveys, Volume 40, Issue 4, Page 1806-1833, September 2026.
ABSTRACT Demographic change within a country has economic repercussions for other countries through international transactions. Ongoing shifts in population size and age structure across countries have important implications for international trade, operating through changes in market size, consumption preferences, and labor supply.
Kumuthini Sivathas
wiley   +1 more source

Border Disputes in the Global Periphery amid Declining U.S. Hegemonic Influence

open access: yesJournal of World-Systems Research
Contrary to popular expectations about a post-oil future, oil remains an important commodity in the global political economy and the world-system, in which peripheral economies rely on the export of raw material to earn foreign exchange.
Larry Liu, Leon Wilson
doaj   +1 more source

Notes on misconceptions in the application of geographical names of the tepuis on the borderlands of Guyana and Venezuela and a clarification of the location of Waukauyengtipu and Cerro Venamo

open access: yesMiscellanea Geographica: Regional Studies on Development, 2022
A review of recent publications concerning the South American Pantepui biogeographic region revealed recurring mistakes in the naming of several table mountains (known locally as ‘tepui’, ‘tipu’ or ‘tepuy’) located around the Guyana-Venezuela border ...
Wrazidlo Mateusz   +2 more
doaj   +1 more source

Dicrananthera hedyotidea C. Presl. (Melastomataceae) in Maranhão state, Brazil: first record and ecological niche model of the species

open access: yesNordic Journal of Botany, Volume 2026, Issue 8, August 2026.
Dicrananthera C. Presl. is a monospecific genus of the tribe Marcetieae, comprising perennial herbs typically occurring in areas adjacent to wetlands. The species exhibits a disjunct distribution, with confirmed records in both the Amazon and Atlantic Forest domains.
Elias Julio Oliveira Correa   +4 more
wiley   +1 more source

Unveiling the Impact of Sustainable Development Goals (SDGs) on Money Laundering: A Cross‐Countries Analysis

open access: yesJournal of Public Affairs, Volume 26, Issue 3, August 2026.
ABSTRACT The paper aims to test the relationship between SDGs and money laundering levels. The empirical study is based on a panel dataset composed of 117 countries, covering many continents and income levels, over the period 2012–2019. Results reveal that SDGs impact significantly and negatively on money laundering levels.
Dorra Talbi, Mouna Baccouri
wiley   +1 more source

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