Our demands on natural systems outweigh the capacity of those systems to support us. This paper calls for an approach to development that consistently delivers ‘net benefit’ for biodiversity or ‘ecological enhancement’. Examples of enhancement are presented through four case studies in India undertaken between 2005 and 2010. Actions focus on improving the overall ecological structure, composition and functions of sites; strengthening ecological networks by creating new habitats and buffer areas; and improving the services provided by the ecosystems, without jeopardizing biodiversity. While recognizing the importance of quantitative metrics of impacts and mitigation measures to determine outcomes, such measures were...
Control of Tamarix in the Western United States: implications for water salvage, wildlife use, and riparian restoration
Non-native shrub species in the genus Tamarix (saltcedar, tamarisk) have colonized hundreds of thousands of hectares of floodplains, reservoir margins, and other wetlands in western North America. Many resource managers seek to reduce saltcedar abundance and control its spread to increase the flow of water in streams that might otherwise be lost to evapotranspiration, to restore native riparian (streamside) vegetation, and to improve wildlife habitat. However, increased water yield might not always occur and has been substantially lower than expected in water salvage experiments, the potential for successful revegetation is variable, and not all wildlife taxa clearly prefer native plant habitats over saltcedar....
Restriction Endonuclease Analysis of Mitochondrial DNA From Virus-Transformed, Tumor and Control Cells of Human, Hamster and Avian Origin. Sequence Conservation and Intraspecific Variation.
Antarctic Bottom Water Current through the Romanche and Chain Fracture Zones of the Equatorial Atlantic.
Effect of marine sediments associated with the Orange County, California, ocean outfall on the survival and growth of juvenile Neanthes arenaceodentata (Annelida Polychaeta)
Water resource quality policy the approach adopted by the department of water affairs and forestry under the water law principles