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Where and when to revegetate?. scheduling revegetation for biodiversity. Jim Thomson, Peter Vesk, Atte Moilanen, Ralph Mac Nally, Andrew Bennett. Where and when to revegetate?. Limited resources space, time and money Multiple objectives Biodiversity
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Where and when to revegetate? scheduling revegetation for biodiversity Jim Thomson, Peter Vesk, Atte Moilanen, Ralph Mac Nally, Andrew Bennett
Where and when to revegetate? • Limited resources • space, time and money • Multiple objectives • Biodiversity • Multiple taxa (e.g. vegetation types, birds, mammals, etc) • Water • Surface & groundwater • Carbon
Pre-European Vegetation 1750 Ecological Vegetation Class (EVC)
Remnant Vegetation Current Ecological Vegetation Class (EVC)
Woodland Birds Mac Nally et al. 2009. Diversity & Distributions
SWIFT PARROT Local habitat (H) soil climate topography
SWIFT PARROT Local habitat (H) soil climate topography
SWIFT PARROT Local habitat (H) soil climate topography
SWIFT PARROT H80 years
SWIFT PARROT H140 years
SWIFT PARROT Local habitat (H) soil climate topography
62 Woodland bird species Local habitat (H) soil climate topography
Prioritization • Multiple habitat maps for each bird species • 5 x 62 bird maps (20, 40, 60, 80, 140 years) • species-specific landscape context functions (BQP) • 70 EVC maps (1750 extents) • Cost layer (value agricultural output)
467 000 grid cells 100 cells / iteration
467 000 grid cells 100 cells / iteration
467 000 grid cells 100 cells / iteration
467 000 grid cells 100 cells / iteration
467 000 grid cells 100 cells / iteration
467 000 grid cells 100 cells / iteration
467 000 grid cells 100 cells / iteration
467 000 grid cells 100 cells / iteration
467 000 grid cells 100 cells / iteration
467 000 grid cells 100 cells / iteration
SWIFT PARROT 100 years
SWIFT PARROT 100 years
Birds only Birds + EVC + costs EVC + costs
Free birds? EVC + Birds EVC
increase in EVCs EVC13 EVC11 EVC12 EVC22 EVC21 EVC23 EVC133 EVC32 EVC31 prop veg prop veg prop veg EVC EVC + Birds
“Restoration Zonation” • large-scale (fine-resolution), long-term revegetation planning • Multiple taxa, many species • Local habitat and connectivity requirements • costs / constraints • other objectives…
Extensions • spatially-dependent growth rates • climate change (temporally-dependent H) • additional objectives (taxa, carbon, water) • more realistic costs • reveg methods (spatially-dependent)
thanks.. • Greg Horrocks (Monash) • Jim Radford (Deakin / Bush Heritage Australia) • Department of Primary Industry • Department of Sustainability and Environment • Catchment Management Authorities: • North-east, North-central, Goulburn-Broken, Mallee www.biolsci.monash.edu.au/research/acb/ www.helsinki.fi/bioscience/consplan/