This paper investigates the relationship between farm size and land use efficiency in the Brazilian Amazon. Based on data from the 2006 Brazilian Agricultural Census, we estimated a stochastic production frontier model ...

Stream discharge-concentration relationships are indicators of terrestrial ecosystem function. Throughout the Amazon and Cerrado regions of Brazil rapid changes in land use and land cover may be altering these hydrochemical ...

The objective of this study was to analyze the effects of sugarcane expansion in Sao Paulo, from 1975 to 2006, on the agrarian structure for the state, regarding the usage and concentration of land, technology together ...

Land use can significantly alter soil P forms, which will influence P loss in runoff. Organic P (Po) compounds are an important component of soil P, but their forms and cycling in soils with different land uses are still ...

In Uruguay in recent years was evidenced a significant increase in the agricultural sector. International commodity prices boosted the price of the land wich increased by more than 600% and leases more than 400% in the ...

The objective of this study was to assess the effect of land use on nutrient concentrations in a Pampasic stream. Soluble reactive phosphorus (SRP) concentrations in the stream were higher at a site surrounded by fertilized ...

Land-use change is the main component of regional environmental change, while protected areas represent a direct land use policy to prevent its potentially negative effects on biodiversity and environmental services. We ...

Land surface transformations associated to the urbanization has impacted local climates and terrestrial surface energy processes. The occurrence of higher temperatures in urbanized areas when compared to rural and natural ...