Results 131 to 140 of about 1,085,473 (336)

Biogeography of restinga vegetation in Northern and Northeastern Brazil and their floristic relationships with adjacent ecosystems [PDF]

open access: yesAnais da Academia Brasileira de Ciências
Restinga formations are defined as the vegetation covering sandy coastal sediments deposited during the Quaternary period, regardless their physiognomy.
SAMUEL T. RABELO   +2 more
doaj   +1 more source

The spatial structure of the financial development in Brazil [PDF]

open access: yes
This paper explores the financial development in Brazil. It focuses on the impacts of the development level of a municipality’s financial system over its neighborhood, under the light of the Central Place Theory. Using a GMM estimator for a spatial panel
Fabiana Santos   +2 more
core  

Carbon, Nitrogen, and Corresponding Stable Isotope Signatures Reveal Channel Banks as Major Sediment Sources in a Tropical Agricultural Watershed

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Uncertainties about the applicability of δ13C and δ15N as tracers of sediment sources in tropical river basins highlight the need for more in‐depth investigations of these isotopes. This study therefore assessed the effectiveness of δ13C and δ15N signatures in discriminating sediment sources in an agricultural catchment in Northeast Brazil ...
Fábio Farias Amorim   +10 more
wiley   +1 more source

Sheepskin Effects in the Returns to Education by Ethnic Group: Evidence from Northeastern Brazil [PDF]

open access: yes
The purpose of this paper is to examine inter-ethnic differences in the returns to education for the three main ethnic groups in the Metropolitan Region of Salvador (MRS), Bahia state, in Northeastern Brazil.
Béatrice d'Hombres, Jean-Louis Arcand
core   +3 more sources

HYDROPHYLLACEAE Senso latu R. Br. ex Edwards EM PERNAMBUCO - BRASIL

open access: yesRevista Caatinga, 2008
The study of the family Hydrophyllaceae senso latu in the state of Pernambuco, Brazilian Northeastern is presented. It was found only one species, Hydrolea spinosa L., being provided description, besides illustrations, comments based on its morphology ...
José Iranildo Miranda de Melo   +2 more
doaj  

UNICA: Challenges to Deliver Sustainability in the Brazilian Sugarcane Industry [PDF]

open access: yes
Teaching Notes Available: ifamr@ifama.org Author video introduction: http://www.youtube.com/user/ifamr1#p/u/7/4kZDvS7v5NAsustainability, biofuels, ethanol, industry association, teaching case, Agribusiness, Crop Production/Industries,
Chaddad, Fabio Ribas
core   +1 more source

Application of Principal Component Analysis and Probabilistic Neural Networks in Ferralsols Recovery Evaluation Through Planting of Mabea Fistulifera and Eucalyptus Urograndis

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT This study presents an innovative assessment model for analyzing the evolution of degraded soils subjected to different reclamation strategies. The proposal combines statistical and artificial intelligence tools to jointly integrate multiple physical and chemical soil properties, allowing for a more synthetic view of the processes.
Melissa Alexandre Santos   +7 more
wiley   +1 more source

Descrição de uma nova espécie de Thamnodynastes Wagler, 1830 (Serpentes, Colubridae) do nordeste brasileiro, com comentários sobre o gênero. [PDF]

open access: yesPhyllomedusa: Journal of Herpetology, 2002
Thamnodynastes almae sp. nov. is described based on three specimens from Rodelas municipality, state of Bahia, Northeastern Brazil. The new species can be diagnosed by its pale coloration and keeled dorsal scales arranged in 19 rows at midbody and 15 ...
Francisco L. Franco   +1 more
doaj  

Demographic Change and the Structure of Wages: A Demand-Theoretic Analysis for Brazil [PDF]

open access: yes
With rapidly declining fertility and increased longevity the age structure of the labor force in developing countries has changed rapidly. Changing relative supply of workers by age group, and by educational attainment, can have profound effects on labor
Daniel S. Hamermesh   +3 more
core  

Temporal evolution of childbirth types in a Northeastern Brazilian state

open access: yes, 2022
Objetivo: Analizar la evolución temporal de los tipos de partos en un estado del noreste de Brasil en el período de 2009 a 2018. Métodos: Se trata de una investigación cuantitativa, descriptiva, retrospectiva y ecológica, realizada con las Certificaciones de Nacimiento (DNV) del estado.
Santos, Wanderlei Barbosa dos   +7 more
openaire   +1 more source

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