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… have been kept as attractive ornaments to enhance water features and gardens. However, accidental escapes from … search of resources elsewhere. Competitive exclusion and territorial aggression has been reported for 13 introduced … Goose (Branta canadensis) often shows aggression through territorial behaviour, and has been known to prevent other …

… the Greylag Goose Anser anser and a considerable amount of territorial aggression between the two species came to light … 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 …

… 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 … between the sectors concerned with wetland conservation, water, health, food security and poverty reduction within and …