Crustal growth and reworking of Archean crust within the Rhyacian domains of the southeastern Guiana Shield, Brazil: Evidence from zircon U–Pb–Hf and whole-rock Sm–Nd geochronology
Sign Up to like & getrecommendations! Published in 2020 at "Journal of South American Earth Sciences"
DOI: 10.1016/j.jsames.2020.102740
Abstract: Abstract The southeastern Guiana Shield, northern Amazonian Craton, is part of a Paleoproterozoic orogenic belt that was built up during the Transamazonian orogenic cycle (2.26–1.95 Ga). This cycle includes large segments of Rhyacian juvenile crust and… read more here.
Keywords: whole rock; zircon; crust; guiana shield ... See more keywords
Temperature rising would slow down tropical forest dynamic in the Guiana Shield
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-46597-8
Abstract: Increasing evidence shows that the functioning of the tropical forest biome is intimately related to the climate variability with some variables such as annual precipitation, temperature or seasonal water stress identified as key drivers of… read more here.
Keywords: temperature; climate; next century; tropical forest ... See more keywords
Systematic review of Atractus schach (Serpentes: Dipsadidae) species complex from the Guiana Shield with description of three new species
Sign Up to like & getrecommendations! Published in 2019 at "Systematics and Biodiversity"
DOI: 10.1080/14772000.2019.1611674
Abstract: The Guiana Shield harbours one of the best preserved and largest extents of tropical forest on Earth and an immense biodiversity. The herpetofauna of this region remains poorly known. The species-rich snake genus Atractus contains… read more here.
Keywords: new species; three new; species complex; guiana shield ... See more keywords
Loricaria cuffyi (Siluriformes: Loricariidae), a new species of loricariin catfish from the Guiana Shield.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of fish biology"
DOI: 10.1111/jfb.14566
Abstract: Loricaria cuffyi n. sp. is described based on 36 specimens from the Essequibo and upper Negro River drainages in western Guyana and the upper Orinoco River drainage in Venezuela. The new species can be distinguished… read more here.
Keywords: loricaria cuffyi; new species; cuffyi siluriformes; loricariidae new ... See more keywords
A new species of Alopoglossus lizard (Squamata, Alopoglossidae) from the Southern Guiana Shield, northeastern Amazonia, with remarks on diagnostic characters to the genus.
Sign Up to like & getrecommendations! Published in 2018 at "Zootaxa"
DOI: 10.11646/zootaxa.4422.1.2
Abstract: I describe a new species of Alopoglossus from the Southern Guiana Shield in northern Brazilian Amazonia. The new species morphologically resembles A. angulatus in having scales on sides of neck similar in shape to dorsals,… read more here.
Keywords: southern guiana; diagnostic characters; new species; species alopoglossus ... See more keywords
A new species of Cetopsis from the Guiana Shield (Siluriformes: Cetopsidae: Cetopsinae).
Sign Up to like & getrecommendations! Published in 2019 at "Zootaxa"
DOI: 10.11646/zootaxa.4664.2.4
Abstract: A new species of Cetopsis is described from Guiana Shield drainages in Guyana and Suriname. The new species is found in the Konawaruk River and tributaries, Essequibo River basin, Guyana, and in the Mauritie Creek,… read more here.
Keywords: cetopsis guiana; new species; guiana shield; shield siluriformes ... See more keywords
A new Chiasmocleis (Anura: Microhylidae) from the eastern Guiana Shield with an amended definition of C. haddadi Peloso, Sturaro, Forlani, Gaucher, Motta, & Wheeler, 2014.
Sign Up to like & getrecommendations! Published in 2022 at "Zootaxa"
DOI: 10.11646/zootaxa.5200.1.1
Abstract: The existence of an unnamed (candidate) species from French Guiana and the state of Amapá (Brazil) closely related to Chiasmocleis haddadi has been hypothesized in previous DNA-based studies. With an integrative use of genetic, morphological… read more here.
Keywords: guiana shield; definition haddadi; chiasmocleis; haddadi ... See more keywords