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… environment, the frequency of disturbance within the landscape and historical events which may preclude or enhance … needs to be understood in the context of the regional landscape. Therefore, there is a need to undertake such …

… eradicate it. Effective disease management practiced at a landscape or catchment scale can ensure that disease does not … is better than cure’ and, for wetlands, focussing at a landscape or catchment scale ensures maintenance of social … wetland’ through wise use, most often at a broader landscape and/or catchment scale. Managing disease within one …

… the wetland’s boundaries to other areas in the surrounding landscape. For instance, ducks, geese, swans and cranes may …