O propósito deste Sertão Quilombola - a Formação dos Quilombos no Sertão de Pernambuco é publicizar os processos iniciais de territorialização e as diversas expressões de ocupação tradicional dos territórios quilombolas da Região. Dessa forma contirbui para desmistificar o senso comum que…
Los autores se preguntan por el aporte real de los biocombustibles a la solución de los problemas ambientales. Después de analizar las actuales formas de producción en Brasil, sostienen que la expansión de éstos presionará indirectamente hacia la deforestación, contribuyendo así aún más al…
Desde siempre las mujeres campesinas han jugado un papel protagonista en la producción agraria: en los trabajos del campo, en el descubrimiento y protección de las semillas, en el cuidado de los recursos naturales, en la propia producción de alimentos, en la acumulación de conocimientos…
This paper presents a methodology for the geological engineering survey of land degradation in urban environments using both remote sensing and geoprocessing tools. The area under study was the city of São Carlos, state of São Paulo, Brazil (urban and expansion area). The data presented here…
To provide a quantitative spatial analysis of the riverscape (open-water bodies and their surrounding areas) of the Western Amazonian lowlands using a consistent surface of remotely sensed imagery. Taking into account the essential significance of fluvial environments for the Amazonian biota, we…
Understanding pasture degradation processes is key for sustainable development in the Amazon region. Pasture degradation can be indexed by pasture nutritional status, which is impacted by environmental and human related factors. Most studies of the biogeochemistry of Amazonian pastures have been…
The conservation of individual plant and animal species has been advanced greatly by the World Conservation Union's (IUCN) development of objective, repeatable, and transparent criteria for assessing extinction risk, which explicitly separate the process of risk assessment from priority-…
A dráguló olajár „felszínre hozta” a fosszilis energiahordozók környezetbarát energiahordozókkal való kiváltásának problémáját. Az olajkészletek korlátozottságamellett a bizonytalan kitermelés és a folyamatosan növekvő árak a bioüzemanyagokfelé irányítják a politikai döntéshozók és a befektetők…
In 1998, Fisher et al. attempted to draw together published and anecdotal information to answer some of the questions raised by the findings of Fisher et al. (1994; 1995), that introduced pastures of African grasses on the eastern plains of Colombia accumulated large amounts of C in the soil.…
The CGIAR Challenge Program on Water and Food (CPWF) is a multi-institutional research for development program
that seeks to create and disseminate international public goods to improve the productivity of water in river basins in
ways that are pro-poor, gender equitable and…