[PDF] Top 20 Alluvial soil formation in the plains of northeastern Brazil

... particularly in Ceará State, are affected by urbanization, deforestation, and shrimp breeding (Nascimento et ...breeding in mangrove areas but allow the practice in adjacent areas, known ... See full document

... variability of clay minerals is an obstacle to understanding their mechanism of formation, transformation and ...to the determi- nation of the thermodynamic parameters that are ... See full document

... by the tree canopy height, number of individuals and basal ...Considering the influence of water table level on mean tree canopy height, many authors (Soares-Silva et ...present in well ... See full document

... mineral in the XRDs is quartz, the major diluent of the Brazilian soil ...As the mineralogy of spodic soils in temperate regions is much more complex than ... See full document

... to the higher insect abundance in the Caatinga may be related to the influence of humidity on the activity of ...during the dry season. Soil humidity is a ... See full document

... record of species with explosive reproduction may be favored by the formation of temporary or semi-permanent water bodies for a short period of time (after rains), which drain very fast ... See full document

... all in lateral compression; length 1500-1900 µm (4 spec- ...al. in shape, gula, exine ornamentation, trilete rays, and arcuate ...II): the stud- ied specimens are larger than those reported previ- ... See full document

... higher in areas of Z. joazeiro (Regosol soil type) when compared to areas of ...(NCB soil type) (Table 3), even though the areas of Regosol had lower soil N, Ca, ... See full document

... into the theoretical scenario in which sprouted early research that put in relief the studies of spoken language for conversation purposes, as well as showing some paths where tread ... See full document

... for the development of pans and/or other cementations in soils from the Brazilian coastal tablelands, and they have already been discussed in previous studies (Boulet et ...periods ... See full document

... knowledge of desmids with cylindrical morphologies in the state of Bahia, Brazil, is quite limited, only 13 such taxa having been described to ...date. The present study reports ... See full document

... confirms the hypothesis proposed by Pennington et al. (2004) concerning the older, and now totally fragmented, seasonally dry neotropical forest biome, which includes that of the ...authors, ... See full document

... range of rocks and climates around the world. However, the eruption of rhyolitic magmas is a rare geological event, which leads to few studies associated with the ... See full document

... Barreiras Formation is widespread along the Brazilian coast, occurring throughout the Northeast and Southeast Regions up to the State of Rio de Janeiro, being particularly well ... See full document

... between the values for monomeric Al (Al_VPM) and total Al (Al_VPT). In Bi of the P3 profile of T3 (Table 5), the values for monomeric Al were higher than those for total ...to ... See full document

... from northeastern Brazil. Soft-bodied macrofossils typical of the Ediacara Fauna, which can be assigned to the White Sea assemblage (Narbonne 2005), were recently described from ... See full document

... In the studied area, the sociodemographic and environmental scenarios favorable to transmission seems to be spatially concentrated, which could explain the focal pattern of spatial ... See full document

... which in turn can mobilize existing salts dissolved in the soil, and thereby negatively affect soil and/or water quality and site ...at the Northern and Eastern subregions ... See full document

... Classification of bycatch species according to criteria indicating susceptibility to capture and ...resilience. The combination of these criteria provides a graphic that indicates the species ... See full document

... ideas. In 1949, he wrote the article that was to crystallize the interpretation of the factors involved in the foundation of the Brazil Company (Boxer ... See full document