Results 31 to 40 of about 73,954 (155)

A educação pública como setor econômico : uma análise insumo-produto [PDF]

open access: yes, 2017
Dissertação (mestrado)—Universidade de Brasília, Faculdade de Economia, Administração e Contabilidade, Departamento de Economia, 2017.Visa avaliar o impacto econômico do setor educação pública no Distrito Federal, no ano de 2009 utilizando como ...
Ferreira, Wellington
core  

Electrocardiographic indices and pregnancy: A focus on changes between first and third trimesters

open access: yesRevista Portuguesa de Cardiologia, 2022
Introduction and objectives: Pregnancy can affect the cardiac conduction system, causing changes to the electrocardiographic indices that may mimic pathologic ones. The aim of this study was to discover these changes in normal pregnant women. Methods: We
Negar Omidi   +3 more
doaj   +1 more source

The Rapid Recovery of a Caatinga Dry Forest is Mediated by Disturbance‐Adapted Species

open access: yesBiotropica, Volume 57, Issue 4, July 2025.
Overall, regenerating and old‐growth forest stands exhibited similar plant diversity across all ontogenetic stages, with a negligible role played by forest stand age, precipitation, and chronic human disturbance. Species exclusively recorded as adults or seeds were mostly dispersed by animals, indicating that several species fail in either dispersing ...
Alexandre S. de Paula   +6 more
wiley   +1 more source

Diversidade e estrutura genética em 17 populações de Ocotea catharinensis Mez (canela-preta) do estado de Santa Catarina: subsídios para a conservação in situ da espécie. [PDF]

open access: yes, 2011
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Curso de Agronomia.A canela-preta (Ocotea catharinensis Mez.) é uma espécie da família Lauraceae, característica da Floresta Ombrófila Densa catarinense.
Montagna, Tiago
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Restricted Dispersal in the Late Successional Forest Tree Species Nothofagus Pumilio: Consequences Under Global Change

open access: yesEcology and Evolution, Volume 15, Issue 5, May 2025.
We aim to uncover the current and historic effective dispersal distances and characterize fine‐scale genetic structure in the forest tree species Nothofagus pumilio. Short seed dispersal distances mean N. pumilio distribution expansion capacity may be limited, especially in the context of global change.
C. Soliani   +8 more
wiley   +1 more source

Distribuição espacial do pulgão preto em feijão de corda e cálculo do número de amostras

open access: yesRevista Ciência Agronômica
Objetivou-se com este trabalho estudar a dispersão espacial do pulgão preto (Aphis craccivora Koch), na cultura de feijão de corda (Vigna unguiculata (L.) Walp.) e estabelecer o número de amostras necessárias para a estimativa da população da praga para ...
Jefté Ferreira da Silva   +3 more
doaj   +1 more source

Monitoramento de tibraca limbativentris Stal, 1860 (Hemiptera: pentatomidae) em arrozais do planalto da campanha do Rio Grande do Sul. [PDF]

open access: yes, 2015
bitstream/item/112064/1/ID-16659-circular-132 ...
BARRIGOSSI, J. A. F.   +5 more
core   +1 more source

A social network analysis of an epistemic community studying neoliberal conservation

open access: yesConservation Biology, Volume 39, Issue 2, April 2025.
Abstract Researchers typically operate in epistemic communities: groups that share common approaches to research agendas and sociopolitical action and define areas of debate. Although productive in their own spheres, a lack of understanding among these communities can undermine scientific progress. Thus, analyzing epistemic communities is important for
Brittany Bunce   +5 more
wiley   +1 more source

Bioecologia e controlo vectorial de Culicidade em Cabo Verde [PDF]

open access: yes, 2013
As doenças transmitidas por vectores culicídeos (mosquitos) ocorrem em mais de 100 países do mundo e afectam cerca da metade da população mundial.

core  

Rainfall seasonality shapes belowground root trait dynamics in an Amazonian tropical rainforest: A test of the stress‐dominance hypothesis

open access: yesFunctional Ecology, Volume 39, Issue 3, Page 799-812, March 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract The stress‐dominance hypothesis (SDH) predicts that trait variation at the community level increases with the availability of limiting resources, driving spatial and temporal patterns in above‐ground plant functional trait expression.
Oscar J. Valverde‐Barrantes   +16 more
wiley   +1 more source

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