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Solving the challenges of monitoring mobile populations: insights from studies of waterbirds in southern Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Hannah L Thomas --- Percy FitzPatrick Institute, DST–NRF Centre of Excellence, South Africa Philip AR Hockey --- Percy FitzPatrick Institute, DST–NRF Centre of Excellence, South Africa Graeme S Cumming --- Percy FitzPatrick Institute, DST–NRF Centre of Excellence, South AfricaHighly mobile species are difficult to monitor. It is often unclear from abundance estimates whether a population is genuinely declining or simply elsewhere. If the spatial and temporal scales of monitoring are inadequate, the data will only be useful if...