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原文連結
論文資訊
- 類型：已發表論文
- 日期：2022-01-27
摘要
On the second day of the 2021 United Nations 氣候 Change Conference (COP26), 130 nations announced a decision to halt global de森林ation by 2030 (1). This is a welcome move and a political success, but ecologically it falls short. The plan needs to be expanded to include savannas, which cover an area of 20 million km2—more than the 17 million km2 covered by tropical 森林s (2)—and are potentially more important carbon sinks than 森林s. In the course of a year, each hectare of the Serengeti plains in Tanzania removes between 500 and 2000 kg of carbon dioxide (3) from the atmosphere, enough in total to offset every airline flight to East Africa and all the emissions produced in the region (4, 5). The repeated grazing of wildebeests, zebras, and a variety of insects (6) stimulates vegetative growth mu
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