The concept of crop production efficiency when applied to the analysis of the plant yield in an ecosystem is well understood and represents the ratio between the chemical energy stored in the biomass and the incident ...

Surface albedo is an important parameter that affects the terrestrial radiation balance and has been considered in studies of global climate. The goal of this work is to determine spatially the albedo of an Amazon ...

Leaf area index (LAI) is an important parameter of the vegetation canopy, and is used, for instance, to estimate evapotranspiration and productivity. The main objective of this work was analyzed the relationship between ...

The management of the country roads contributed for the erosive process, mainly in the areas that the soil was moved by implements from conventional tillage. This work had as objective to quantify the reforestation for ...

Vegetation Indices are a product of remote sensing and have been used for vegetation and crop monitoring. The Normalized Difference Vegetation Index (NDVI) is one of the most used and reflects the vegetation biomass ...

A problem to map agricultural crop, mainly of cultures with irregular spacing, it is to define and to calculate the cells area of the crop mesh. A method was proposed to define and to calculate the sample area of influence ...

The shortage of drinking water is a big concern, particularly in arid and semi-arid areas. In that sense, the rational and optimized use of the water is a need, specifically in agricultural and industrial activities. ...

A challenge for the environment approach, the ambience of the cities becomes a question that deserves special attention in studies of urban hidrology, therefore the lack of planning is one of the main agents that cause ...

Before the antiquated picture of discrepancy of the net Brazilian hidrográfica, he becomes primordial the updating of those information. Like this, that article has for purpose to explain a methodology of definition of ...

This studied investigated the environmental impact due mussel farm in the district of Anchieta (Brazil – ES) by spatial distribution of granulometric composition, organic matter and total phosphorus in the sediments. The ...