Guidelines for the Monitoring and Assessment of Plastic Litter in the Ocean
The principle purpose of this report is to provide recommendations, advice and practical guidance, for the establishment of programmes to monitor and assess the distribution and abundance of plastic litter, also referred to as plastic debris, in the ocean. The intention is to promote a more harmonised approach to the design of sampling programmes, the selection of appropriate indicators (i.e. type of sample), the collection of samples or observations, the characterisation of sampled material, dealing with uncertainties, data analysis and reporting the results and also to inform the establishment of national and regional field monitoring programmes.
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