The Secretariat, subject to the availability of resources, is requested to: a) further develop the preliminary review of the conservation status of migratory species submitted to the Conference of the Parties at its 13th meeting (COP13) in document UNEP/CMS/COP13/Doc.24, in close consultation with the Scientific Council and in collaboration with competent organizations; b) initiate, in consultation with the Scientific Council and in collaboration with competent organizations, an in-depth review of the conservation status of individual CMS-listed species, starting with those species listed in Appendix I classified in the categories of lowest threat of extinction in the IUCN Red List of Threatened Species and whose conservation status has improved since first listed, and those species listed in Appendix II classified in the categories Endangered, Critically Endangered and Extinct in the Wild, with a view to determining inter alia: (i) differences in the conservation status of individual populations or management units; (ii) the importance of the protection provided by the listing on Appendix I for the conservation of the species and its individual populations; c) undertake, in consultation with the Scientific Council and in collaboration with competent organizations, and in synergy with other relevant initiatives under the Convention, an assessment of the impact of direct use on the conservation status of species listed on Appendix I; d) report to the Sessional Committee of the Scientific Council at its intersessional meetings between COP13 and COP14 and to COP14 on the progress in implementing this Decision.