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Mark Antos Parks Victoria Kally Yuen Parks Victoria Australian Mathematical Sciences Institute

Remote camera monitoring across a statewide park network Tailoring approaches for specific applications. Mark Antos Parks Victoria Kally Yuen Parks Victoria Australian Mathematical Sciences Institute. First things first. Signs of Healthy Parks monitoring initiative

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Mark Antos Parks Victoria Kally Yuen Parks Victoria Australian Mathematical Sciences Institute

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  1. Remote camera monitoring across a statewide park network Tailoring approaches for specific applications Mark Antos Parks Victoria Kally Yuen Parks Victoria Australian Mathematical Sciences Institute

  2. First things first • Signs of Healthy Parks monitoring initiative • Identify key park values, threats and existing monitoring • Prioritise monitoring needs • Develop clear objectives • Assess where, when and how- which is the best method? • Management relevance • Data analysis plan and staff feedback • All this needs to happen before anyone deploys a camera

  3. Mornington Peninsula NP Great Otway NP

  4. Getting the methods right • Protocol based approach • Developed by experts at ARI (DSE) • Using a suite of complementary methods

  5. Two case studies Great Otway NP Mornington Peninsula NP Which mammal species are present in the park? Which areas are important for native mammals? Linear park with large edge to area ratio • Is fox baiting effective in reducing fox activity? • Is there a positive response from prey species? Fairly large, intact and diverse landscape

  6. Great Otway NP Heathy woodland Wet forest Monitoring since 2009 Fox baiting since 2010 >2km >2km Fox baiting No baiting Fox baiting No baiting 20 sites 20 sites 20 sites 20 sites Comparing meat vs oat lures

  7. Great Otway NP- refining the method

  8. Great Otway NP- Analysis • Dynamic occupancy model (MacKenzieet al 2003) used to estimate site occupancy probability for each year • AIC used to rank a set of 14 candidate models • AIC weights used to assess whether poison has an effect on occupancy probabilities • All models with ΔAIC <2 compared to top ranked model were used to derive occupancy probabilities

  9. Effect of fox baiting on occupancy probability over time The summation is over the six models which allow for the possible effect of fox-poison baiting on the occupancy rate over time.

  10. Great Otway NP- Foxes and snack-sized mammals

  11. Great Otway NP- Bassian Thrush

  12. Lessons and limitations • Pilot studies are critical • Experimental design is critical • Be prepared to review and refine • Adequate sampling and spatial segregation? • Other variables (habitat, climate, cats etc)? Benefits • Better understanding of predator distribution • Better understanding of native fauna distribution • Improved staff skills

  13. Mornington Peninsula • Over 150 randomly allocated survey points (>1km apart) • Stratified by vegetation type • Roll out of cameras over autumn/winter with oat baits

  14. Mornington Peninsula • 32 native spp recorded • 6 exotic spp • Surprises • Long-nosed Bandicoots and White-footed Dunnart well represented • Lewin’s Rail recorded at 5 sites • Broad-toothed Rat?

  15. Using the data Mid range areas Urban pressure Highest value area Dysfunctional? corridor

  16. Next steps • Results used to help with planning • Predator control • Planned burns • Weed works and habitat restoration • Repeat survey in 2 years • Compare results- link to State of the Parks reporting • Measure management effectiveness

  17. Concluding remarks • Be clear about monitoring objectives and make sure you are using the best method • Acknowledge limitations of the method • Pilot studies and test runs are really useful • Don’t underestimate data curation and analysis time • Be prepared for surprises and to make the most of them

  18. Thanks • Great Otway NP • Emma Danby • Carlie Bronk • Gary Summers • Mick Biddle • Sylvia van de Peet • Lachie Davis • Suzanna McCoy • Scot Mitri • ARI • Michael Scroggie • Jenny Nelson • Peter Menkhorst • Mornington Peninsula • Brendan McKay • Louise Bracy • Kim Kott • Sarah Dodd • Danny Hudson • Alisson Bolden • Darren Mitchell • PV mapping support • Jenny Bunnage • Steve Shelley • Trust for Nature • Ben Cullen

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