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Bigger is better for carbon accumulation

Contrary to the widely held view, a recent study has demonstrated that old trees continue to sequester carbon at a greater rate than their younger counterparts.

big_little_tree An international team of scientists collated data on tree growth from 403 species across the world, including tropical, sub-tropical and temperate trees.

The team found that carbon accumulation does scale with size; the largest trees in the study were growing at a rate of over 600 kg per year! This happens because the increase in total leaf area, with increasing tree size, proves to be more important than the declining productivity of leaves as trees age.

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