A ciência tem mostrado nas últimas décadas que a conta- minação por mercúrio (Hg) é um problema ambiental e de saúde pública. Uma importante fonte poluidora é o garim- po ilegal de ouro, que vem crescendo vertiginosamente, deixando um rastro de destruição.
Highlights the impact of large-scale housing improvements in a country, enabling everyone living in informal settlements to have equitable access to adequate housing.
Urban planners are entrusted with the power to make critically important, long-term decisions that determine the future development of cities and towns around the world. The decisions they take shape the urban environment and directly affect the lives and livelihoods of entire communities.
Gymnocarpos przewalskii is a rare Tertiary relict species, mainly distributed in desert areas of northwestern China. Changes in rainfall have a significant impact on the physiological characteristics of desert plants. In the present study, the effects of five simulated rainfall levels on the gas exchange parameters, chlorophyll fluorescence characteristics, and antioxidant system of G.
Is digitalization conducive to promoting carbon reduction in cultivated land use while empowering high-quality socio-economic development and intelligent territorial spatial planning?
North Korea experienced a catastrophic famine in the mid-1990s that resulted in millions of deaths. This study aims to build an agent-based model to understand the risk of land degradation and famine in North Korea and explore potential solutions to mitigate this risk.
Vegetable extraction has been considered a new paradigm of adequate development for the Amazon Region by ecological movements, international organizations, and foreign governments. This study evaluates whether the supply of extractive products transformed into economic value can ensure the livelihood of families and prevent deforestation.
This paper addresses a forest harvesting problem with adjacency constraints, including additional environmental constraints to protect wildlife habitats and minimize infrastructure deployment costs. To this end, we propose an integer programming model to include those considerations during the optimization of the harvest regime of a Mexican forest.
Due to the characteristics of sudden occurrence, fast disaster speed, and severe damage, debris-flow disasters can easily result in the loss of human lives and cause serious damage to property and social infrastructure.
Land cover change is prevalent in the eastern Kentucky Appalachian region, mainly due to increased surface mining activities. This study explored the potential change in land cover and its relationship with stream discharge and sediment yield in a watershed of the Cumberland River near Harlan, Kentucky, between 2001 and 2016, using the Soil and Water Assessment Tool (SWAT).