c) Tracks not too far apart (500m - 1km); and d) tracks a suitable length to cover and service in either half a day or a day of walking. Within the Otahu Ecological Area and surrounds (covering an area of approximately 1300ha referred to here as ‘the core area’) OGNZL propose control of the same species, as well as hedgehogs, rats andmice using ground-basedmethods. Pigs would be controlled to low levels using hunting. Mice are difficult to control using trapping, so ground based toxin might be required to achieve lowmice densities. Control in the core area would be based on a 100x50m (or perhaps 50x50m) grid of tracks within which traps and/or bait stations would be located. 3.3.2 Control Targets Suggested control targets for a range of ecological values are set out in Table 1. Other monitoring targets such as taonga species will be identified through the consultation process and the list can be modified to suit the objectives and goals the group defines. Table 1: Example targets and threats for ecological values present within the southern Coromandel and suggested method of outcome monitoring to determine control effectiveness Value Key Threats Control Target Potential Outcome Monitoring Kiwi Cats Stoats Ferrets Dogs Low levels Low levels Low levels Low levels Annual counts Follow individuals Recruitment success Trail cameras Forest birds Rats Possums Stoats <5% Tracking <5% RTC/15% BMI Low levels Survey using five-minute bird counts Frogs Rats Possums Pigs Mice <5% Tracking <5% RCT/15%BMI Low levels <5% Tracking Density plots Transects Bats Cats Possums Rats Stoats Low levels <5% RTC/15% BMI <5% Tracking Low levels Annual survey Kauri forest Possums Pigs <5% RCT/15%BMI Low levels Zero density Pre- & post-operational monitoring Known cases
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