RIYADH: The Prince Mohammed bin Salman Royal Reserve Development Authority launched the reserve’s Integrated Development Management Plan, or IDMP, on Thursday. The board of directors of the reserve is chaired by Crown Prince Mohammed bin Salman. IDMP is a comprehensive roadmap covering the environmental, economic, social, tourism and cultural aspects of the 24,500 sq km reserve. It includes 15 distinct ecosystems, ranging from mountain ridges to coral reefs in the northwest of the Kingdom.