[PDF] Top 20 Archaea diversity in vegetation gradients from the Brazilian Cerrado

... that the best-fit model for the data was ...and the Monte Carlo permutation test were applied with 1000 random permutations to verify the significance of soil chemical properties upon a ... See full document

... of the soil revealed that the res- tinga areas of the Piauí coast presented sandy soils with pH values varying from acidic ...(8.34). The soil of Ilha Grande presented a higher sand ... See full document

... culminates in the reaction catalyzed by the Methyl-coenzyme M reductase (Mcr) enzyme, and results in the release of ...approach, the gene of the a subunit of mcr (mcra) ... See full document

... ) in these studies (present study and Marimon et ...as in Lenza et ...if the individuals with a D 30cm of less than 5 cm are excluded from the database of the present study, ... See full document

... State, the transition between the Cerrado and the Amazon Forest extends over a large area (Ackerly et ...with the ‘arc of deforestation’ (Nogueira et ...distinct from the ... See full document

... compared the structure of different cerrado physiognomies found increases in richness, density, and basal area for the woody component from open to closed ...increases from campo ... See full document

... The cerrado is a savanna biome characterized by low pH dystrophic soils, little availability of calcium and magnesium and high aluminium content (Furley & Ratter ...1988). The typical ... See full document

... Brazil, the biggest expansion of agriculture and pasture frontiers has taken place in the Cerrado (Coutinho, 1990; Smith et ...1998). In this study this expansion was predictable most ... See full document

... for the neotropics (Fernández & Sharkey 2006 ...). In addition, because parasitoid wasps are frequently sampled through attraction and trap- ping techniques ...about the plants and herbivore ... See full document

... Despite the long-distance seed dispersal expected for ...Tapiridae) in Central Brazil, we could not detect high levels of gene ...that the current landscape in the studied region is ... See full document

... ranges from campo limpo (a dense grassland without shrubs or trees) to cerradão (a tall woodland with a crown cover of 50% to 90%, made up of trees, often of 8-12 m or even taller, casting a considerable shade so ... See full document

... comprised the forest stations Aguas Frías (38°46´ W, 70°54´ S, 1590 m ...tephra from the active volcanoes of the ...constitute the parent material of the well-developed and ... See full document

... In the Brazilian Cerrado (neotropical savanna), the development of bud-bearing underground systems as adaptive structures to fire and dry periods can comprise an important source of ... See full document

... while in vitro reducing power test ...variations, the three antioxidants assays were able to confirm the proton and electron donating of the extracts ...using the Folin- Ciocalteu ... See full document

... by the propaganda of the colonization companies, in alli- ance with the state and local governments, or by those with whom they had family or fraternal ties (relatives or friends who ... See full document

... protects the shoot apical ...value in many botanical families. In Myrtaceae, the colleters description is recent and presents three new morphological types (conic, euryform and petaloid) that ... See full document

... patterns in breeding populations of Roseate Spoonbill (N = 57), Wood Stork (N = 89), and Jabiru Stork (N = 30), sampled in the Brazilian ...threatened in other parts of their ... See full document

... role in agricultural systems by providing multiple ecosystem services (ES), such as affecting nutrient and carbon cycling and providing biological pest ...patterns in presence of these arthropods in ... See full document

... Autocorrelação espacial é definida como a falta de independência entre pares de observações a uma dada distância geo- gráfica e é um fenômeno muito freqüente em dados ecológicos. É importante levar em consideração os ... See full document

... to the Comissão Nacional de Energia Nuclear (CNEN), phosphogypsum is classified i) as a residue of low radioactivity level, containing radionuclides from natural series U-238 and Th-232; ii) as a Naturally ... See full document