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A new record of a scelidotheriine ground sloth (Xenarthra, Mylodontidae) from Central Brazil: quaternary cave stratigraphy, taxonomy and stable isotopes

An upper fourth molariform of a Scelidotheriine ground sloth is reported from Cameiro Cave, which is located in the karstic region of Serra da Mesa (Goias). In this limestone cave the tooth was found at the base of a depositional sequence, associated with a 2 m thick debris flows deposit, which is c...

por Portal Padrão
publicado
20/11/2016
4:19 PM

Land cover changes and greenhouse gas emissions in two different soil covers in the Brazilian Caatinga

The Caatinga biome covers an area of 844,453 km(2) and has enormous endemic biodiversity, with unique characteristics that make it an exclusive Brazilian biome. It falls within the earth's tropical zone and is one of the several important ecoregions of Brazil. This biome undergoes natural lengthy pe...

por Portal Padrão
publicado
20/11/2016
4:09 PM

Assessing mammal exposure to climate change in the Brazilian Amazon

Human-induced climate change is considered a conspicuous threat to biodiversity in the 21st century. Species' response to climate change depends on their exposition, sensitivity and ability to adapt to novel climates. Exposure to climate change is however uneven within species' range, so that some p...

por Portal Padrão
publicado
20/11/2016
4:08 PM

Waterfall project: sport, science and society coming together.

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por Portal Padrão
publicado
20/11/2016
4:03 PM

Assessment of two techniques to merge ground-based and TRMM rainfall measurements: a case study about Brazilian Amazon Rainforest

The availability of accurate rainfall data with high spatial resolution, especially in vast watersheds with low density of ground-measurements, is critical for planning and management of water resources and can increase the quality of the hydrological modeling predictions. In this study, we used two...

por Portal Padrão
publicado
20/11/2016
3:49 PM

Mercury biomagnification and the trophic structure of the ichthyofauna from a remote lake in the Brazilian Amazon

The present study assesses mercury biomagnification and the trophic structure of the ichthyofauna from the Puruzinho Lake, Brazilian Amazon. In addition to mercury determination, the investigation comprised the calculation of Trophic Magnification Factor (TMF) and Trophic Magnification Slope (TMS), ...

por Portal Padrão
publicado
20/11/2016
2:01 PM

Crescimento de cana-de-açúcar sob aplicação de biofertilizante da bovinocultura e ureia

Effluents from intensive cattle breeding and treated with anaerobic reactors are highly relevant for agricultural reuse. Current paper assesses the growth of sugarcane cultivars SP 803280 and RB 867515 for 220 days. Doses 0, 16, 48, 64, 80 and 96 kg ha-1 N were applied derived from biofertilizing so...

por Portal Padrão
publicado
20/10/2016
3:51 PM

Canopy-scale biophysical controls of transpiration and evaporation in the Amazon Basin

Canopy and aerodynamic conductances (gC and gA) are two of the key land surface biophysical variables that control the land surface response of land surface schemes in climate models. Their representation is crucial for predicting transpiration (λET) and evaporation (λEE) flux components of the te...

por Portal Padrão
publicado
20/10/2016
3:39 PM

Development and evaluation of species distribution models for five endangered elasmobranchs in southwestern Atlantic

Species distribution models (SDMs) are tools to obtain habitat suitability maps based on historical species occurrences and environmental variables. Those maps can be used to restrict fishing grounds or to assist in planning and reserve selection. This is especially important for species at risk of ...

por Portal Padrão
publicado
20/10/2016
3:07 PM

Effects of particulate matter and its chemical constituents on elderly hospital admissions due to circulatory and respiratory diseases.

Various fractions of particulate matter have been associated with increased mortality and morbidity. The purpose of our study is to analyze the associations between concentrations of PM2.5, PM2.5-10, PM10 and their chemical constituents (soluble ions) with hospital admissions due to circulatory and ...

por Portal Padrão
publicado
20/10/2016
2:47 PM

Eficácia da arquitetura MLP em modo closed-loop para simulação de um Sistema Hidrológico

Para a elaboração do plano de bacia se faz necessária a realização de estimativas da resposta hidrológica. Sendo assim, o objetivo desse estudo foi de avaliar a simulação do comportamento hidrológico da bacia hidrográfica do Alto Canoas localizada em Santa Catarina, através de redes neura...

por Portal Padrão
publicado
20/10/2016
2:33 PM

Bright spots: seeds of a good Anthropocene

The scale, rate, and intensity of humans environmental impact has engendered broad discussion about how to find plausible pathways of development that hold the most promise for fostering a better future in the Anthropocene. However, the dominance of dystopian visions of irreversible environmental de...

por Portal Padrão
publicado
20/10/2016
2:08 PM