Organized by the Secretariat of the Convention on Biological Diversity (CBD), the Ad Hoc Technical Expert Group (AHTEG) on indicators for the Strategic Plan for Biodiversity 2011-2020 is expected to: identify a small set of measurable potential indicators to monitor global progress towards achievement of the Aichi Biodiversity Targets; and prepare guidance on the different types of indicators and approaches used to monitor progress in implementation of the Strategic Plan for Biodiversity at regional, national and sub-national levels.