陽光、二氧化碳及水份充足情況下，光合作用在樹葉裡頭發生，二氧化碳的碳原子將儲存在樹木裡，並釋出氧氣。529Please respect copyright.ＰＥＮＡＮＡWrMBBql81l
529Please respect copyright.ＰＥＮＡＮＡiOPqQJff4I
529Please respect copyright.ＰＥＮＡＮＡAsE9UlgO4F
秋天時份，溫度驟降，樹木意識到冬天即將來臨，便啟動落葉機制，以免冬天低溫為樹葉帶來傷害。529Please respect copyright.ＰＥＮＡＮＡrJLBX3dqFU
529Please respect copyright.ＰＥＮＡＮＡcvDmIagHtH
（圖2）根據這個理念，全球氣侯所導致的溫度提升，將會使綠葉時間延長1-3星期。529Please respect copyright.ＰＥＮＡＮＡXoVHADy1bv
529Please respect copyright.ＰＥＮＡＮＡorrRIaVL2Q
529Please respect copyright.ＰＥＮＡＮＡAZbUdrIfe4
但出乎意外的是，實驗及現實證據指出，綠葉時間反而是平均縮短了3-6日（Ref1)。529Please respect copyright.ＰＥＮＡＮＡmlC7NINMH8
529Please respect copyright.ＰＥＮＡＮＡqpANPgZH9Y
（圖3）分析由1948-2015年達434,226項的樹木數據再加上各種實驗，科學家得出以下的解釋。529Please respect copyright.ＰＥＮＡＮＡvdhf3AaBR4
529Please respect copyright.ＰＥＮＡＮＡQcedEG7vie
529Please respect copyright.ＰＥＮＡＮＡjC4gS7AVkw
全球變暖再加上大氣二氧化碳含量上升，樹木的光合代謝率亦因而有所提升。529Please respect copyright.ＰＥＮＡＮＡwAXPSPoEAc
529Please respect copyright.ＰＥＮＡＮＡFRgu2mWnZ3
光合代謝的過程中，二氧化碳的碳原子會以固體方式儲存在榭木內。529Please respect copyright.ＰＥＮＡＮＡm4ulOIjZ8N
如果固體碳原子到達一定的程度，就算溫度和暖，亦會觸發樹葉變黃及落葉發生。529Please respect copyright.ＰＥＮＡＮＡg8Uaj8rO6Q
529Please respect copyright.ＰＥＮＡＮＡag6sX5DDCy
（圖4）圖中展示出兩種導致落葉情況發生的可能性。529Please respect copyright.ＰＥＮＡＮＡdZhVYFUE6N
529Please respect copyright.ＰＥＮＡＮＡ2XwIqU8uu8
529Please respect copyright.ＰＥＮＡＮＡ35OgRRrjwI
這表示出每一棵樹木均有其轉化二氧化碳至氧氣的限額，並不能夠無窮無盡地吸收二氧化碳。529Please respect copyright.ＰＥＮＡＮＡNfTHylRKjy
單純依靠種植樹木意圖來改善全球的氣候變化，實際上亦有一定的限制。529Please respect copyright.ＰＥＮＡＮＡUm0kCJ0Spf
529Please respect copyright.ＰＥＮＡＮＡo7pfzRCrRK
有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。529Please respect copyright.ＰＥＮＡＮＡpJGOw0Mpht
529Please respect copyright.ＰＥＮＡＮＡw69DZQ6OUg
https://www.instagram.com/potatopigtongue/529Please respect copyright.ＰＥＮＡＮＡjXEzRM5Qoa
529Please respect copyright.ＰＥＮＡＮＡIOaa5rUzMs
529Please respect copyright.ＰＥＮＡＮＡeuFt1peSLq
Ref1:https://science.sciencemag.org/content/370/6520/1066?intcmp=trendmd-sci529Please respect copyright.ＰＥＮＡＮＡNdfa3kvdvr
8964 copyright protection525ＰＥＮＡＮＡuVsdFW2jF9 維尼

216.73.216.191