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… 2005a. Ecosystems and human well-being: wetland and water synthesis. World Resources Institute, Washington, DC. … provide tremendous economic benefits, for example: � Water supply (quantity and quality); � Fisheries (over two thirds of the world’s fish …

… at low tide, as well as human-made wetlands such as waste-water treatment ponds and reservoirs. About this series of … roles of other sectors beyond the “environment” or “water” sectors. It is thus very important that these … for Wild Bird Surveillance (GAINS) to ensure that high quality data can inform successful epidemiological …

… biodiversity, be it habitats or individual species. The quality of the legislation dealing with non-native species in … by grazing and trampling. There may also be an effect on water bodies from the deposition of nutrients by roosting … native species), threats to public health in parks and water areas, and threats to air safety (a number of …

… have been kept as attractive ornaments to enhance water features and gardens. However, accidental escapes from … pests and can cause localised eutrophication of water bodies and a change in soil composition where large … other native swan species and had been influencing water quality on a local scale. CASE STUDY: RUDDY DUCK (Oxyura …