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Displaying 816 - 820 of 1605Assessing the impacts of watershed indexes and precipitation on spatial in-stream E. coli concentrations
Pathogen contamination of waterbodies, which is often identified by the presence of pathogen indicators such as Escherichia coli, is a major water quality concern in the United States. Reducing in-stream pathogen contamination requires an understanding of the combined impacts of land cover, climatic conditions, and anthropogenic activities at the watershed scale. In this study these factors are considered by assessing linear relationships between in-stream E. coli water quality data, watershed indexes, and rainfall for the Squaw Creek Watershed, IA, USA.
Grain for Green Project induced land cover change in the Loess Plateau: A case study with Ansai County, Shanxi Province, China
The Grain for Green Project (GGP) is the largest land retirement/afforestation program in China; it was primarily initiated to reduce the soil erosion and improve the ecological conditions in the Loess Plateau in 1999. If effective, this massive regional effort will induce significant improvement in the vegetation conditions. At this time, the effectiveness of the GGP has not been well documented.
Predicted impact of the sea-level rise at Vellar–Coleroon estuarine region of Tamil Nadu coast in India: Mainstreaming adaptation as a coastal zone management option
Low-lying coastal areas are more vulnerable to the impacts of climate change as they are highly prone for inundation to SLR (Sea-Level Rise). This study presents an appraisal of the impacts of SLR on the coastal natural resources and its dependent social communities in the low-lying area of Vellar–Coleroon estuarine region of the Tamil Nadu coast, India. Digital Elevation Model (DEM) derived from SRTM 90M (Shuttle Radar Topographic Mission) data, along with GIS (Geographic Information System) techniques are used to identify an area of inundation in the study site.
anticommons and the environment
Augustin Cournot's original concept of “complementary oligopoly” has recently had a rebirth of interest after being relabeled “the tragedy of the anticommons” and finding fresh applications in the legal and economics literatures. The tragedy of the anticommons (the mirror image of the more well-known tragedy of the commons) occurs when too many rights holders to a good lead to sub-optimal usage. Inefficient outcomes are only overcome when rights holders are reduced or consolidated.
study of ocean zoning and sustainable management by GIS in Taiwan
To ensure the implementation of sustainable land development, strengthen ocean preservation, and conserve coastal resources, and encourage management of land use, the Construction and Planning Agency in Taiwan recently passed “The Draft of National Land Planning Act” and “The Draft of Coastal Act.” These acts effectively extend the utilization and management of land to territorial sea and coastal areas.