人為活動產生不少溫室氣體,助長了全球氣候極端化的發生。不少國家亦開始提倡碳中和及減碳排放方案,務求可為下一代提供良好的環境生長。552Please respect copyright.PENANABiBnoiHp2a552Please respect copyright.PENANAHauMBtFkGQ
552Please respect copyright.PENANALTOHiB8XxY
除減少排放外,如何消除大氣的溫室氣體亦是一個重要課題;552Please respect copyright.PENANAJA2NJVkAdL
現今相信約有30%人為活動所排放的二氧化碳將經由陸地的生態環境從大氣中移除開去。552Please respect copyright.PENANAaCsIGQiQs2
552Please respect copyright.PENANANGavnPu0W0
(圖2)植物的光合作用,能夠將大氣的二氧化碳轉化成為植物內部的碳水化合物。552Please respect copyright.PENANAb9X5E1CAY9552Please respect copyright.PENANAXIGIgOIzsj
552Please respect copyright.PENANAqogiDufnA5
換句話說,植物能夠減低大氣間的二氧化碳,皆因它們能夠將二氧化碳氣體的碳原子轉換成為固體的碳原子狀態,把它們收藏在自身身體。552Please respect copyright.PENANAbnCPur23IG
552Please respect copyright.PENANAIBhQEKr91A
那麼,是否只要瘋狂種樹,就能夠減低大氣的二氧化碳濃度,順利解決二氧化碳方面的問題呢?552Please respect copyright.PENANAScSWbs6MeG
552Please respect copyright.PENANAXqeASymC13
552Please respect copyright.PENANAva3hs4bhQE
(圖3)最近有研究發現,草叢移除大氣二氧化碳的能力有可能會較大樹的為好。552Please respect copyright.PENANAZk5PIABWGr552Please respect copyright.PENANAgnWY2zHuv9
552Please respect copyright.PENANAPkTOemdWVj
雖然大樹本身能夠儲存碳水化合物的能力比草叢的為高,但為了持續供應大樹生長的所需,其根部會聯合各種細菌或生物來獲取泥土的營養,這過程中將會將泥土的碳原子以二氧化碳氣體釋放出去。552Please respect copyright.PENANAw4zlIvmo6s
552Please respect copyright.PENANAwxd07jjIvX
在部份實驗例子中,大樹不但沒能有效移除大氣二氧化碳,倒反而是增長了大氣二氧化碳含量。552Please respect copyright.PENANAsiLbyWWijO
552Please respect copyright.PENANAxSbFA3YBSU
如何平衡草叢及大樹種植的比例來獲取減滅二氧化碳的最大收益,將是重要的環保課題。552Please respect copyright.PENANA5QBWnL5RfS
552Please respect copyright.PENANAxTTs8Sril6
552Please respect copyright.PENANA46FHUceKv1
552Please respect copyright.PENANA3APhq9pvwM
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。552Please respect copyright.PENANAl1UbAW88Ak
552Please respect copyright.PENANAeeMRHMo4m6
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc552Please respect copyright.PENANATNYobBvEJT
552Please respect copyright.PENANAx0RFi97Jn9
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。552Please respect copyright.PENANAVCrg7gWeKc
552Please respect copyright.PENANAgCPC7WavAu
Link:552Please respect copyright.PENANA6KSOybZ8sc
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio552Please respect copyright.PENANARZ8KkjZ8SF
552Please respect copyright.PENANAKtLUDdrazW
552Please respect copyright.PENANA6y9YIgC174
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。552Please respect copyright.PENANA9UUezSfLI9
552Please respect copyright.PENANAN3AQ0MGVgG
Ref1:https://www.nature.com/articles/s41586-021-03306-8552Please respect copyright.PENANA7jNX0LduUc