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Displaying 766 - 770 of 1605Multi-taxa population connectivity in the Northern Rocky Mountains
Effective broad-spectrum biodiversity conservation requires that conservation strategies simultaneously meet the needs of multiple species. However, little is known about how maintaining habitat connectivity for one species or species group may also act as an umbrella for other species. We evaluated the degree to which predicted connected habitat for each of 144 different hypothetical organisms expressing range of dispersal abilities and ecological responses to elevation, roads and land cover function as an indicators of connected habitat for the others in the U.S.
Phytoremediation, a sustainable remediation technology? II: Economic assessment of CO2 abatement through the use of phytoremediation crops for renewable energy production
Phytoremediation could be a sustainable remediation alternative for conventional remediation technologies. However, its implementation on a commercial scale remains disappointing. To emphasize its sustainability, this paper examines whether and how the potential economic benefit of CO2 abatement for different crops used for phytoremediation or sustainable land management purposes could promote phytotechnologies. Our analysis is based on a case study in the Campine region, where agricultural soils are contaminated with mainly cadmium.
Landslide susceptibility mapping using index of entropy and conditional probability models in GIS: Safarood Basin, Iran
Landslide susceptibility mapping is essential for land use planning and decision-making especially in the mountainous areas. The main objective of this study is to produce landslide susceptibility maps at Safarood basin, Iran using two statistical models such as an index of entropy and conditional probability and to compare the obtained results. At the first stage, landslide locations were identified in the study area by interpretation of aerial photographs and from field investigations.
Potential of five plants growing on unproductive agricultural lands as biodiesel resources
Fossil fuels are being heavily depleted due to increasing anthropogenic activities worldwide, and burning them contributes to global climate warming and air pollution. Vegetable oils are one of the main feedstocks for biodiesel: they are non-toxic and environmentally friendly. Rising global population, decreasing arable lands and a decline in crop yields from desertification and salinization demands that biodiesel feedstock be grown on unproductive agricultural lands.
ecological footprint housing component: A geographic information system analysis
The ecological footprint (EF) and its unit, the global hectare, share a reputation of effectively communicating the connection between local awareness and global impact. One use of a Geographic Information System (GIS) in urban planning is decision support, while the potential of the ecological footprint in GIS has not developed significantly. The smaller the spatial unit in GIS, the more accurate and flexible are the available GIS analyses.