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MONITORING POPULATIONS OF WATERBIRDS IN NEW ENGLAND, NEW SOUTH WALES: HOW IMPORTANT ARE SMALL WETLANDS?


A cumulative total of 47 waterbird species was observed at five small wetlands around Armidale, northern New South Wales in 1985-86. Numbers of waterbirds peaked in March each year, with a maximum count ot 3 074 in 1986, suggesting that these wetlands are importanl refuges at the end of summer. Monthly and bi-monthly surveys indicated similar fluctuations in population sizes. However, bi-monthly surveys decreased the detectability of vagrant species.

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