The CPR survey is the longest running, large-scale marine biological survey in the world. The CPR is a near-surface (10 m) plankton sampler voluntarily towed each month behind merchant ships on their normal routes of passage. Methods of analysis for, 400 phyto and zooplankton taxa have remained almost unchanged since 1958.
The production of butter, cheese and other dairy products with high fat content accounts for high greenhouse gas emissions as well as for eutrophication of groundwater, rivers and seas. Remember: Globally, around 70 % of all agricultural land is used for livestock production.
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