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These are the days of lasers in the jungle

For tropical forest carbon to be commoditized, a consistent, globally verifiable system for reporting and monitoring carbon stocks and emissions must be achieved. We call for a global airborne LiDAR campaign that will measure the 3-D structure of each hectare of forested (and formerly forested) land in the tropics. We believe such a database could be assembled for only 5% of funding already pledged to offset tropical forest carbon emissions. 

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Comparative assessment of pelagic sampling methods used in marine monitoring

The aim of the present report is to provide a comparative assessment of commonly used pelagic sampling methods. We do this by undertaking a qualitative, yet comprehensive, review of the published literature to identify their potential advantages, limitations, and their relevance to monitoring efforts. A ‘silver-bullet’ approach to pelagic monitoring likely does not exist, nor is necessarily feasible. Instead, this comparative assessment provides a blueprint for guiding sampling activities in the context of pelagic monitoring efforts.