50. Invites the Food and Agriculture Organization of the United Nations, in consultation with relevant subregional or regional fisheries management organizations or arrangements, to prepare a study relating to the impact on shark populations of shark catches from directed and non-directed fisheries and their impact on ecologically related species, taking into account the nutritional and socio-economic considerations as reflected in the International Plan of Action for the Conservation and Management of Sharks, particularly as they relate to small-scale, subsistence and artisanal fisheries and communities, as well as updating Technical Paper 389 of the Food and Agriculture Organization, entitled "Shark utilization, marketing and trade", in order to facilitate improved shark conservation, management and utilization, and to report to the Secretary-General for inclusion in a fisheries-related report as soon as practicable;
50. 邀请联合国粮食及农业组织与相关分区域或区域渔业管理组织或安排协商，拟订一份调查报告，说明定向和非定向捕捞所获的鲨鱼量对鲨鱼种群的影响以及对在生态上有关的种群的影响，同时考虑到《养护和管理鲨鱼国际行动计划》中反映的营养和社会经济考虑因素，特别是涉及小规模、自给性及个体渔业和社区的因素，并更新粮食及农业组织题为"鲨鱼的利用、销售和贸易"的389号技术文件，以促使改进鲨鱼的养护、管理和利用，并就此向秘书长提出报告，供在切实可行的情况下尽快列入有关渔业的报告；