Results 141 to 150 of about 13,079 (220)

Variáveis ambientais e a distribuição de espécies do estrato herbáceo-subarbustivo emuma área de campo limpo úmido no Distrito Federal, Brasil [PDF]

open access: yes, 2008
O solo é sazonal ou permanentemente saturado nas savanas campestres úmidas, localmente conhecidas como Campo Limpo Úmido. A variação na umidade do solo parece determinar a distribuição espacial desta comunidade.
Felfili, Jeanine Maria   +2 more
core  

Vascular flora in dry-shrub and wet grassland Cerrado seven years after a fire, Federal District, Brasil [PDF]

open access: yes, 2013
Studies of temporal dynamics for grassland sites report that fire suppression plays a crucial role in floristic changes. The objective of this study was to verify whrther after seven years without fire, communities showed variations in terms of ...
Amaral, Aryanne Gonçalves   +3 more
core  

Diversidade de um cerrado sensu stricto com base em modelos de abundância de espécies

open access: yesBioscience Journal, 2011
Este estudo teve como objetivo avaliar a diversidade de uma comunidade lenhosa de cerrado sensu stricto no sudeste de Goiás, a partir de modelos de distribuição de abundância de espécies.
Fabricio Alvim Carvalho
doaj  

Relações solo-vegetação na estruturação de comunidades de cerrado sensu stricto no sul de Minas Gerais, Brasil

open access: yesRodriguésia
Resumo Os cerrados do sul de Minas Gerais ainda são pouco estudados. Objetivou-se com esse trabalho compreender o papel dos solos na estruturação de duas comunidades arbóreas de cerrado no município de Guapé. Para isso, foram instaladas 14 parcelas de 50
Daniel Mendonça Torres   +2 more
doaj   +1 more source

Seasonal dynamics of Amblyomma cajennense (Fabricius, 1787) sensu stricto in a degraded area of the Amazon biome, with notes on Rickettsia amblyommatis infection. [PDF]

open access: yesParasit Vectors, 2023
de Araújo FES   +14 more
europepmc   +1 more source

Seasonality of vespid species (Hymenoptera: Vespidae) in a central Brazilian cerrado

open access: yesRevista de Biología Tropical, 1998
Foraging habitats as well as the fluctuations in vespid species abundance in Mato Grosso State, Brazil, were determined, through sampling effort per hour per collector in four cerrado sensu lato habitats, "campo úmido" (Cu), "campo sujo" (Cs), "cerrado ...
Ivone Rezende Diniz, Kiniti Kitayama
doaj  

Mapeamento de unidades de paisagem em nível de fazenda, Pantanal da Nhecolândia. [PDF]

open access: yes, 2013
bitstream/CPAP-2009-09/56882/1/BP83 ...
MAZIN, V.   +5 more
core  

A Proposal for defining the geographical boundaries of Amazonia [PDF]

open access: yes, 2005
A group of European experts came together for a two day workshop at the Joint Research Centre, Ispra, to discuss a proposal for defining the geographical boundaries of Amazonia.

core  

Fitossociologia do cerrado stricto sensu no município de Carolina, MA, Brasil

open access: yes, 2015
The objective of this work was to evaluate the composition and structure of the woody community in the Cerrado stricto sensu fragments, located in Carolina County, in the State of Maranhão. The survey was carried out with ten parcels of 20x50 m (1000m2 ). All individuals showing diameters ≥ 5cm at 30cm above ground level were recorded.
Medeiros, Marcelo Brilhante de   +2 more
openaire   +1 more source

Species composition and temporal activity of Arctiinae (Lepidoptera: Erebidae) in two cerrado vegetation types

open access: yesZoologia (Curitiba), 2013
Arctiinae moths include nearly 11,000 species worldwide, of which approximately 700 species occur in the Brazilian Cerrado. The aim of this study was to describe the species composition of Arctiinae, as well as the variation in annual and nightly moth ...
Scheila Scherrer   +3 more
doaj  

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