Talk:Rainforest

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hi i want to know can u not do me a poem of the tropical rainforest

Wikipedia is an encyclopedia, not a place for creative information. If you want to write creatively, go to the uncyclopedia. :)Coffsneeze 14:48, 1 April 2007 (UTC)

Lack of quality[change source]

I see this page was written by someone who doesn't really understand botany, so I'm going to revise it substantially. Meanwhile, check the Amazon rainforest for a better account. Macdonald-ross (talk) 06:22, 24 August 2013 (UTC)

Oxygen turnover[change source]

Well, intuitively I don't believe 40% oxygen "production", but I can't read the page 23 reference in the text. There are several issues:

  1. How were the estimates arrived at? Are there any satisfactory empirical figures, or is it all guesswork?
  2. What is the contribution of photosynthesizing in the world's oceans? All those algal blooms are photosynthetic organisms.
  3. The correct term is "oxygen turnover" since the balance between production and conversion to CO2 is about level: "On a global scale, long-term fluxes are approximately in balance, so that an undisturbed rainforest would have a small net impact on atmospheric carbon dioxide levels" [En wiki]. I believe this is right, though the reference is entirely about research to CO2, the two molecules are linked by the photosynthetic cycle.
  4. I note En wiki gives 28% with a different reference. Their reference in support of this is rubbish: it is a website which does not cite its source. But I believe it is nearer the mark than our 40%. I just find it difficult to believe that the total "production" of O2 by all oceans, plus crops, plus forests in the temperate and palaearctic zones, plus ultraviolet cracking of H2O in the higher atmosphere is only 60%.
  5. Facts, that what we need. In the absence of reliable references, I am going to take the precise figure out, and write something less definitive. Macdonald-ross (talk) 09:07, 6 February 2014 (UTC)