Author(s): CUNHA, A. C. da; MUSTIN, K.; SANTOS, E. S. dos; SANTOS, E. W. G. dos; GUEDES, M. C.; CUNHA, H. F. A.; ROSMAN, P. C. C.; STERNBERG, L. da S. L.

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

Author(s): MARTINS, K.; SANTOS, R. da S. O. dos; 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

Author(s): POSSETTE, R. F. da S.; MIKICH, S. B.; HATSCHBACH, G. G.; RIBAS, O. dos S.; LIEBSCH, D.

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

Author(s): HIROSE, E.; PANIZZI, A. R.; CATTELAN, A. J.

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

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

Author(s): SPADOTTO, C. A.; MATALLO, M. B.; GOMES, M. A. F.; LUCHINI, L. C.; CERDEIRA, A. L.

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

Author(s): RODRIGUES, C.; OLIVEIRA, V. A. de; SILVEIRA, P. M. da; SANTOS, G. G.

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

Author(s): BALDONI, A. B.; WADT, L. H. O.; CAMPOS, T.; SILVA, V. S.; AZEVEDO, V. C. R.; MATA, L. R.; BOTIN, A. A.; MENDES, N. O.; TARDIN, F. D.; TONINI, H.; HOOGERHEIDE, E. S. S.; SEBBENN, A. M.

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

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