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Colin R. Maycock 1 , Joan T. Pereira 2 , Eyen Khoo 2 ,

Using high resolution species distribution models to identify areas of critical habitat for the plants of Sabah. Sabah Plant Red List project. Colin R. Maycock 1 , Joan T. Pereira 2 , Eyen Khoo 2 , John B. Sugau 2 , Chen Tau En 2 , Reuben Nilus 2 & David F.R.P. Burslem 3. 1. 2. 3.

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Colin R. Maycock 1 , Joan T. Pereira 2 , Eyen Khoo 2 ,

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  1. Using high resolution species distribution models to identify areas of critical habitat for the plants of Sabah Sabah Plant Red List project Colin R. Maycock1, Joan T. Pereira2, Eyen Khoo2, John B. Sugau2, Chen Tau En2, Reuben Nilus2 & David F.R.P. Burslem3 1 2 3 And others

  2. Sabah Plant Red List Project • Compiling a plant checklist for Sabah • Identify species endemic to Sabah • Rapid conservation assessment using a mixture of the standard IUCN methods and high resolution species distribution (ecological niche) modeling (Khooet al.) • Initial focus Sabah endemic & commercially important species • Ground truthing of the assessments for species of conservation concern (Sugauet al.) • Identification of gaps in current plant conservation efforts • Critical areas for plant conservation & feeding this into spatial planning efforts in the State

  3. What occurs in Sabah Where it is found What is endangered Can we do anything about it Natural forest cover in Sabah Strategic Plan on Biodiversity 2011-2020 & Aichi Biodiversity Targets 2010 . McMorrow & Talip (2001) Reynolds et al. (2011)

  4. Aichi Biodiversity Target 12 By 2020 the extinction of known threatened species has been prevented and their conservation status, particularly of those most in decline, has been improved and sustained. • With the ICUN Red List status being the accepted baseline to assess progress toward meeting this target • Tropical countries face many challenges in addressing Target 12

  5. The problem we face in Sabah • ~ 8000 plant taxa in Sabah • ~ 1000 taxa endemic to Sabah • < 5% of the Sabah endemics have been assessed for the IUCN and most of these are from “The World List of Threatened Trees” Oldfield (1998) • only 1% recently assessed • Too many species, too few plant scientists & not much time • Issues with using the IUCN standard techniques (EOO & AOO) when it comes to estimating habitat loss (Maycocket al. 2012) • For the Sabah Plant Red List we also use species distribution modeling to reconstruct “historic” distribution to estimate habitat loss

  6. Species Distribution Modeling Soils • Relates locality data to environmental data • Predicts where the species is likely to occur High resolution soil data Temperature Rainfall Locality data Predicted distribution Dipterocarpuslamellatus Environmental layers in a niche modeling system

  7. Habitat loss estimates • Overlay a current land use map • % area in alternative land-use • % area in production forest reserves • Natural forest management & conservation • Industrial tree plantation • % area in protected areas • Encroached • Estimate % of habitat loss No indication of whether the species still occurs in the remaining habitat or quality of the habitat.

  8. Dipterocarpuslamellatus Sabah Red List workshop And EOO and AOO estimates • 98% habitat loss • CE A1c, B2a,b ?Ex • 98% habitat loss • CE A1c, B2a,b, D1 Conservation concern Internal review Field assessments External review Sabah Red List Identify critical areas for plant conservation & feed this into spatial planning in the State IUCN Red List

  9. Predicted habitat loss for Dipterocarpuslamellatus

  10. Progress to date • ~260 of the Sabah endemics have been georeferenced & modeled • (plus almost all of the Dipterocarps of Sabah) • ~100 of the Sabah endemics have been assessed during the Sabah Red List workshops • ~10% of the taxa assessed are critically endangered or CE/Ex

  11. Distribution of critically endangered species in Sabah Begonia angustilimba 1920 Calamussabensis ~1897 Melanochylawoodiana(1955)

  12. Still very much a work in progress • 2nd Sabah Red Listing Workshop only held earlier this month • Looking at new ways to locate remnant forests • Conservation drone network (Liam Pin Koh, ETH Zurich & others) • Need help with external reviewing of assessments • Extend the assessment work across Borneo

  13. Acknowledgements • Datuk Sam Mannan, Director of Sabah Forestry Department for taking the SFD down the conservation road • Sabah Red List working group for volunteering their time and making the Red Listing workshop fun. • Sabah State Government for funding to EK • Sara Oldfield from IUCN/SSC: Global Trees Specialist Group for encouragement & support Slides upload on Researchgate

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