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Race Mixture among Northeastern Brazilian Populations*

American Anthropologist, 1962
NORTHEASTERN BRAZILIAN populations are extremely interesting for racial studies. These populations are derived from the intermixture of Negroes, Whites (Portuguese), and Indians and seem to be very stable ethnic groups of which representatives are promptly recognizable because of their unique physical appearances. The "Nordestino" populations inhabit a
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ESR dating at K and X band of northeastern Brazilian megafauna

Applied Radiation and Isotopes, 2005
The archaeological dose (AD) was measured in three tooth samples of giant mammals that belonged to Brazilian megafauna using electron spin resonance (ESR) spectroscopy at X-band (nu approximately 9.5 GHz) and K-band (nu approximately 24 GHz). Samples were collected in Lagoa de Dentro, Puxinanã city in Paraiba, a northeast state in Brazil and were ...
Angela, Kinoshita   +6 more
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Styela cearense n. sp. (Ascidiacea: Styelidae) from the Northeastern Brazilian Coast

Zootaxa, 2015
The species Styela cearense n. sp. is described from material collected in shallow waters at the Ceará State, Northeastern Brazil. Discussion includes several other species with one gonad on each side of the body, and a tabular key is provided. A set of important anatomical features and their intraspecific variability within the genus is considered ...
Ronaldo Ruy De Oliveira, Filho   +1 more
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Exploring potential impacts of mining on forest loss and fragmentation within a biodiverse region of Brazil's northeastern Amazon

, 2020
Mining is a significant driver of deforestation. Not only do mines clear native forests for mineral extraction, they also often establish new infrastructure, which indirectly facilitates new access to land and further clearing.
Juliana Siqueira-Gay   +2 more
semanticscholar   +1 more source

Alternative oilseeds for Northeastern Brazil: unrevealed potential of Brazilian biodiversity

Brazilian Journal of Botany, 2015
As of 2014, Brazilian legislation requires the share of diesel substituted by biodiesel to be raised from 5 to 7 %. However, throughout the last years, Northeastern Brazil has only been able to supply roughly 50 % of what was legally required. There seems to be no perspective to increase this proportion without developing new oilseeds adapted to the ...
Wolfgang Harand   +2 more
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Regional Development in the Brazilian Northeastern Semi-Arid

The São Francisco Valley, in the northeastern semi-arid region of Brazil, has attracted national and international wineries due to investments in research and technology, resulting in unusual growth in cities in the northeastern backlands. With 300 days of sunshine per year, it has developed irrigated agriculture, with grapes as the main product ...
Paula Wabner Binfare   +2 more
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A new species of northeastern Brazilian endemic genus Harpochilus (Acanthaceae)

Phytotaxa, 2018
A new species, Harpochilus paraibanus (Acanthaceae), is described from the semiarid region of Paraiba State, Brazil. The species is characterized mainly by having cylindrical branches and pale yellow corollas. Only nine individuals of this new species were encountered in the study area, resulting in its classification as endangered (EN) according to ...
FERNANDA KALINA DA SILVA MONTEIRO   +3 more
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Canid attacks on sea turtles along the Northeastern Brazilian Coast

Journal of the Marine Biological Association of the United Kingdom
Abstract The aim of the present study was to report canid attacks on sea turtles in northeastern Brazil. The study was conducted on the Sergipe-Alagoas Basin coastline between March 2010 and October 2019. Injured-stranded sea turtles or carcasses were recorded through systematic beach monitoring.
Isadora Campos de Almeida   +8 more
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