This blog may help people explore some of the 'hidden' issues involved in certain media treatments of environmental and scientific issues. Using personal digital images, it's also intended to emphasise seasonal (and other) changes in natural history of the Swansea (South Wales) area. The material should help participants in field-based modules and people generally interested in the natural world. The views are wholly those of the author.
Friday, 12 January 2024
Rainforest Rules
Rainforests are important carbon 'sinks' (they store massive amounts of carbon, stripped from the 'greenhouse gas' carbon dioxide). They are also 'hotspots' for biodiversity. A new study suggests, rainforests in very different locations, follow a common pattern (https://www.theguardian.com/environment/2024/jan/11/pattern-found-in-worlds-rainforests-where-2-of-species-make-up-50-of-trees). The Earth's rainforests have a total of about 800 billion trees. One million tree samples were taken from more than 1500 rainforest locations in Africa; the Amazon and S-E Asia. Although these locations have very different characteristics, in all three, only 2% of that habitat's tree species, accounted for half the tree population. This was a total of circa 1000 species for the three rainforests. The other half, was made up of a total of 46,000 individually much rarer species. This patterns seems to work for rainforests, irrespective of where they are located.
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