Managing the Hooded Plover - Parks Victoria

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Parks Victoria Technical Series No. 4 Managing the Hooded Plover Continuous counts A number of locations, such as the Mornington Peninsula National Park, Wilsons Promontory National Park and the Phillip Island Nature Park, conduct regular (fortnightly, monthly or quarterly) population counts. The above-mentioned locations have at least five years of data, and thus provide indications of localised population trends. 0.1 0.1 0.1 0.1 0.0 0.0 0.0 0.0 Slope Slope Slope Slope Slope Slope Slope Slope Slope 0.0 1 2 3 4 5 6 7 8 9 10 Figure 5.2. Statistical power expected from linear regression on Hodded Plover count data for different regression slopes and sample sizes. The Hooded Plover Monthly Count Project (coordinated by MAW) involved monthly counts at a number of locations in Victoria and South Australia. Victorian locations include Venus Bay, Kilcunda and McLaughlin’s Beach. Yarram region DNRE has a copy of the McLaughlin’s Beach results, the rest of the data are held by MAW. Significant shorebird breeding sites in east Gippsland are monitored annually between November and March (P. Kambouris pers. comm.). These counts are nearly all conducted by volunteers (Threatened Bird Network volunteers, Bird Observer Club of Australia members and Friends Groups), but are coordinated by Parks Victoria or Birds Australia staff. Incidental counts A number of incidental population surveys occur in areas where research is being conducted (e.g., Central Victoria, Weston 2000a and western Victoria, Weston & Morrow 2000). These counts are not ongoing, but some cover substantial periods (e.g., at least monthly counts for over three years, Weston 2000a). 32
Parks Victoria Technical Series No. 4 Managing the Hooded Plover Opportunistic counts Some areas do not have a formal monitoring process, but do record all opportunistic sightings of Hooded Plovers (Urquhart 2000). Counts of Hooded Plovers in inland Western Australia are largely opportunistic (Newbey 1996, Singor 1999). Historical counts Historical counts are here defined as those that occurred before 1980. A number of historical counts are scattered through the general bird literature (e.g., Belcher 1900). Some of these counts are published in unindexed publications, for example, in June 1971, 19 were counted between Black Rocks and Ant Spit, near Geelong (Smith 1972). Some are even published in obscure sources such as local newspapers. For example, in March 1954 hikers counted 64 Hooded Plovers between the Glenelg River Mouth and Cape Bridgewater (Learmonth 1954) – an area which is now within Discovery Bay Coastal Park. Historical counts are few and far between, they involve a great deal of search effort, and their coverage is patchy. REQUIREMENTS OF A SURVEY PROTOCOL The following are requirements of a survey protocol: • counts provide information required for Parks Victoria such as the distribution of the species within Parks Victoria managed land, and across land tenures. The counts should also determine, as far as is practical, the location of Hooded Plover breeding territories so any management efforts can be easily targeted, • counts are comparable and as accurate as possible, • counts are ongoing, and; • count data are processed systematically, stored appropriately, and the results are disseminated. A number of other features are desirable in choosing a survey protocol: • counts have a well-developed organisational structure so they are run efficiently and effectively, • counts are supported by other organisations, so Parks Victoria can work in partnership with those organisations to conduct the counts, and; • counts are cost-effective. 33
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Managing the Hooded Plover - Parks Victoria

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