wide scale predator control: the hawke’s bay project al glen & wendy ruscoe
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Wide Scale Predator Control: The Hawke’s Bay Project Al Glen & Wendy Ruscoe. Landcare Research Hawkes Bay Regional Council Department of Conservation EcoEd Volunteer / Iwi groups Robertson Foundation. Objectives. Identify critical habitat / regionally important sites - PowerPoint PPT PresentationTRANSCRIPT
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Wide Scale Predator Control: The Hawke’s Bay Project
Al Glen & Wendy Ruscoe
Landcare Research Hawkes Bay Regional CouncilDepartment of ConservationEcoEd Volunteer / Iwi groupsRobertson Foundation
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Objectives• Identify critical habitat / regionally important
sites• Prioritise native species that will benefit from
predator control• Assess predator control options with
deliverable outcomes • Develop a Project Strategy• Support the local community to set and
achieve biodiversity protection goals
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Regionally important site: Maungaharuru AreaHawkes Bay Conservation Action Plan, DOCDM-479758
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Regionally important iconic species
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Threats: Predatory animals
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Kiwi kills
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Ferret catch locations between 1996 and January 2011Ferret catches 1-2 3-4 5-7 8+
Boundary Stream Mainland Island Predator TrappingKahori Nakagawa, DOC
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Proposed Project Area
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Bait stations for ground control of possums (AHB)
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Predator control optionsTraps:• DOC200s for stoats and rats in forest scrub areas • DOC250, Belisle cat traps and chimney tunnels for
ferrets and cats in wider landscape • Leg-hold traps?• Self-setting traps?
Baits • Diphacinone in AHB bait stations for rats• PAPP for stoats (cats) – use in DOC220/250 and
chimney tunnels. Restricted use
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Management Plan• Most efficient tools and strategies• Target densities for pests (kokako
example)• Monitoring effectiveness (historical data)
– Pest monitoring (i.e. rabbit counts by HBRC, DOC)– Bird monitoring in DOC areas– Pest and native biota monitoring (Landcare Research)
• Community participation• Addressing community concerns
• Rabbit response to predator control
Innes et al. 1999
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Predator + Rabbit ControlPredator Control
No Control
This provides an opportunity to test whether doing both predator and rabbit control imparts additional benefit to biodiversity. Historical data (BACI)
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Indicator species:•are relevant to your monitoring questions •are likely to show change within a useful timeframe•can be measured easily and precisely
Tracking tunnels - mustelids and rodentsChew cards – possums and ratsBird counts – calls, radio-tracking, recording devices?CamerasWeta houses and tracking tunnelsPitfall trapsArtificial covers – invertebrates and lizardsSeedfall traps
Monitoring the benefits
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