Dixon prioritization presentation 20130603
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Dixon prioritization presentation 20130603



Rita Dixon, Prioritizing Species and Actions Protocol, Idaho Department of Fish and Game

Rita Dixon, Prioritizing Species and Actions Protocol, Idaho Department of Fish and Game



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  • Joseph et al. (2009) extended the work of Metrick and Weitzman’s 1998 Noah’s Ark framework to include the probability that the management will succeed

Dixon prioritization presentation 20130603 Dixon prioritization presentation 20130603 Presentation Transcript

  • Prioritizing Species and Actions Protocol Rita Dixon Idaho Department of Fish and Game
  • Why prioritize?
  • MOST critical needs
  • Species with the GREATEST conservation need
  • PRECLUDE the need to list
  • http://teaming.com/sites/default/files/SWAP%20Best%20Practic es-110212-for%20website.pdf
  • “Best Practice” method or technique, through experience and research, has consistently shown results superior to those achieved by other means
  • Joseph, L. N., R. F. Maloney, and H. P. Possingham. 2009. Optimal allocation of resources among threatened species: a project prioritization protocol. Conservation Biology 23:328–338.
  • Define objectives List biodiversity assets Weight assets List management projectsEstimate cost Predict the benefit Estimate likelihood of success State constraints Choose set of projects Joseph et al. 2009 Optimal Allocation
  • (1) Define objectives e.g., To secure (over a period of 50 years) the greatest number of threatened species of value given a limited budget
  • (2) List biodiversity assets of interest
  • (3) Weight assets • Cultural significance • Social values • Economic importance • Evolutionary significance • Ecological function • Endemicity • Taxonomic distinctiveness • Climate Change Sensitivity • Threat status • Conservation responsibility of jurisdiction for species
  • Levels of Endemism: State
  • Levels of Endemism: Ecoregion
  • Levels of Endemism: Region
  • Taxonomic distinctiveness http://www.catalogueoflife.org/
  • http://climatechangesensitivity.or g/
  • Assess Risk • Range/Distribution • Abundance/Condition • Threats • Trends (short- & long- term)
  • Threat Status • SH Possibly Extirpated • S1 Critically Imperiled • S2 Imperiled • S3 Vulnerable • S4 Apparently Secure • S5 Secure
  • (4) List management projects • Choose an appropriate project for each species • Project is minimum set of all necessary actions for obtaining a reasonable (≥95%) probability of securing the species over 50 y • 4 compulsory components: – outcome monitoring – services and support – project management – infrastructure • at least one optional intervention (e.g., captive breeding, translocation, pest animal control, weed control, legal actions, education) • Specify precise location, intensity, and duration of management for each action
  • (5) Calculate the cost of each project • Total estimated cost over a 10-year period (i.e., SWAP revision period)
  • (6) Predict the benefit to assets
  • (7) Estimate likelihood of success • Mi = probability that each project, i, could be implemented successfully • Ni = probability that, if implemented successfully, it would be reasonably (≥95%) successful in securing the species • Total probability of success of each project, Si, = MiNi
  • (8) State constraints • Identify constraints on the projects and the total budget • Primary constraint is total budget available
  • (9) Rank projects
  • Idaho’s Online Prioritization Tool https://fishandgame.idaho.gov/species/node/add/swap-species-prioritization
  • Idaho’s Online Prioritization Tool https://fishandgame.idaho.gov/species/node/add/swap-species-projects-actions-fo