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Hydrodynamics and seed dispersal in the lower Amazon. The transport of seeds by water, i.e. hydrochory, is a key mechanism of long-distance dispersal constrained by the attributes of the seed and hydrodynamics. In the freshwater Amazon estuary, river hyd... ... Repository: BDPA Publication year: 2017
Pollen and seed dispersal of Brazil nut trees in the southwestern Brazilian Amazon. Author(s): CAMPOS, T. de; WADT, L. H. de O. Pollen and seed dispersal patterns greatly influence the spatial distribution of plant genetic diversity. Microsatellite-based parentage analysis provides accurate estimates of contemporary gene dispe... ... Repository: BDPA Publication year: 2018
Floristic composition and dispersal syndromes in Araucaria Forest remnants in the municipality of Colombo, Paraná state, Brazil. This study was conducted in Araucaria Forest remnants in the municipality of Colombo, eastern Paraná state, Brazil. Data on species occurrence, life forms and dispersal syndromes were collected once a... ... Repository: BDPA Publication year: 2015
Effect of relative humidity on emergence and on dispersal and regrouping of first instar Nezara viridula (L.) (Hemiptera: Pentatomidae). Laboratory studies with 1st instar of southern green stink bug, Nezara viridula (L.)ldicated that relative humidity (RH) greatly affected nymph emergence and survivorship up to the 2 nd instar, reachi... ... Repository: BDPA Publication year: 2006
Assessing the determinants of rural income dispersion in Brazil. Author(s): SOUZA, G. da S. e; GOMES, E. G.; ALVES, E. R. de A. This article has as its objective the analysis of rural income dispersion in Brazil. To this en we fit econometric regression models using the Gini index as the dependent variable, tecnology, and envi... ... Repository: BDPA Publication year: 2015
Effects of attenuation and dispersion factors on Tebuthiuron leaching simulation. Differences on response of mathematical models on herbicide leaching in the environment can occur due to the models and their limitations, mainly when using soil lysimeters. Tebuthiuron is a herbicide... ... Repository: BDPA Publication year: 2007
Geographic patterns of tree dispersal modes in Amazonia and their ecological correlates. Aim: To investigate the geographic patterns and ecological correlates in the geographic distribution of the most common tree dispersal modes in Amazonia (endozoochory, synzoochory, anemochory and hydr... ... Repository: BDPA Publication year: 2023
Chemical dispersants and pre-treatments to determine clay in soils with different mineralogy. Knowledge of the soil physical properties, including the clay content, is of utmost importance for agriculture. The behavior of apparently similar soils can differ in intrinsic characteristics determi... ... Repository: BDPA Publication year: 2011
Contemporary pollen and seed dispersal in natural populations of Bertholletia excelsa (Bonpl.). Due to the nutritional content and commercial value of its seeds, Bertholletia excelsa is one of the most important species exploited in the Amazon region. The species is hermaphroditic, insect pollin... ... Repository: BDPA Publication year: 2017
Conditional FDH efficiency, income dispersion and market imperfections: the case of the Brazilian agricultural census of 2006. Author(s): SOUZA, G. da S. e; GOMES, E. G. In this article we assess the effect of market imperfections and income inequality on rural production efficiency. The analysis is carried out using the notion of stochastic conditional efficiency com... ... Repository: BDPA Publication year: 2015

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