Spehar, S. Share this Send to email Authored by Spehar, S. Publications Browse all Publication 2018 Global Demand for Natural Resources Eliminated More Than 100,000 Bornean Orangutans Publication 2014 Coming down from the trees: is terrestrial activity in Bornean orangutans natural or disturbance driven? Publication 2012 Understanding the impacts of land-use policies on a threatened species: is there a future for the Bornean orang-utan?