How significant, on a global scale, is the Amazon Rainforest? Best I can tell, correct annual numbers are: Tropical rainforests account for 34% of land-based global photosynthesis; Amazon Rainforest is almost half that, namely 16%. Total oxygen produced by land-based photosynthesis is 330 Pg, thus Amazon is 54 Pg. Ocean phytoplankton oxygen production is 240 Pg. Total global photosynthesis is 330 + 240 = 570 Pg of oxygen (58% land, 42% ocean). Amazon produces 54/570=9.5% of total global oxygen; with carbon sink being 9.5% of global plant total sink. Please donate at my blog to support my efforts to analyze, and present to you significant developments in abrupt climate change.
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