模拟酸雨对台湾桤木叶片K+,Ca2+,Mg2+渗出量的影响

林业资源管理 ›› 2013, Vol. 0 ›› Issue (4): 100-103.

模拟酸雨对台湾桤木叶片K⁺,Ca²⁺,Mg²⁺渗出量的影响

徐彩瑶^1,2, 黄桂芬^1,3, 吴承祯^1,2, 洪伟^1,2, 李键^1,2, 林勇明^1,2

1.福建省高校森林生态系统过程与经营重点实验室,福州 35000;
2.福建农林大学林学院,福州 350002;
3.福建省漳州市南靖县龙山镇人民政府,福建南靖 363600

收稿日期:2013-07-01 修回日期:2013-07-26 出版日期:2013-08-28 发布日期:2020-11-23
通讯作者: 吴承祯。Email:fjwcz@126.com
作者简介:徐彩瑶(1989-),女,江西丰城人,在读硕士,研究方向:森林生态学。Email:caiyao@126.com

Study on Effects of Simulated Acid Rain on the Leakage Amount of K⁺,Ca²⁺ and Mg²⁺ in Leaves of Alnus formosana

XU Caiyao^1,2, HUANG Guifen^1,3, WU Chengzhen^1,2, HONG Wei^1,2, LI Jian^1,2, LIN Yongming^1,2

1. Key Laboratory for Forest Ecosystem Process and Management of Fujian Province,Fuzhou,Fujian 350002,China;
2. College of Forestry,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China;
3. Longshan Town People’s Government,Nanjing County,Zhangzhou,Fujian 363600,China

Received:2013-07-01 Revised:2013-07-26 Online:2013-08-28 Published:2020-11-23

摘要/Abstract

摘要： 通过喷淋试验,研究不同pH模拟酸雨对台湾桤木叶片K⁺,Ca²⁺,Mg²⁺渗出量的影响。结果表明:经过一定时间的酸雨胁迫,台湾桤木苗木叶片K⁺,Ca²⁺,Mg²⁺渗出量随着pH值的减少而增加,呈现负相关效应。处理I-V的叶片K⁺渗出量分别比对照(CK)升高34%,25.5%,17.4%,16.7%,11.4%;处理I-V的叶片Ca²⁺渗出量分别比对照(CK)升高36%,25%,18%,5%,3%;处理I-V的叶片Mg²⁺渗出量分别比对照(CK)升高58.3%,41.6%,37.5%,29.2%,22.1%。并且随着酸雨胁迫时间的延续,叶片K⁺渗出量和Mg²⁺渗出量的变化趋势均大致为先升高后下降,而Ca²⁺渗出量则不断降低。

关键词: 模拟酸雨, 台湾桤木, 渗出量

Abstract: The effect of leakage amount of K⁺,Ca²⁺ and Mg²⁺ in leaves with different pH of simulated acid rain was investigated by spraying experiments.After a certain period of acid rain stress time,the leakage amount of K⁺,Ca²⁺ and Mg²⁺ in leaves of Alnus formosana seedlings decreased with the increasing of pH value,showing a negative correlation effect.The leakage amount of K⁺ in leaves of treatment I-V decreased by 34%,25.5%,17.4%,16.7%,11.4% compared with the control (CK);the leakage amount of Ca²⁺ in leaves of treatment I-V decreased by 36%,25%,18%,5%,3% compared with the control (CK);the leakage amount of I-V treatment of Mg2+ in leaves decreased by 58.3%,41.6%,37.5%,29.2%,22.1% compared with the control (CK).The changes of leakage amount of K⁺ and Mg²⁺ in leaves generally increased firstly and decreased afterwards with the prolonging of stress time,but the leakage amount of Ca²⁺ gradually decreased.

Key words: simulated acid rain, Alnus formosana, leakage amount

中图分类号:

S718.43

徐彩瑶, 黄桂芬, 吴承祯, 洪伟, 李键, 林勇明. 模拟酸雨对台湾桤木叶片K⁺,Ca²⁺,Mg²⁺渗出量的影响[J]. 林业资源管理, 2013, 0(4): 100-103.

XU Caiyao, HUANG Guifen, WU Chengzhen, HONG Wei, LI Jian, LIN Yongming. Study on Effects of Simulated Acid Rain on the Leakage Amount of K⁺,Ca²⁺ and Mg²⁺ in Leaves of Alnus formosana[J]. FOREST RESOURCES WANAGEMENT, 2013, 0(4): 100-103.

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模拟酸雨对台湾桤木叶片K⁺,Ca²⁺,Mg²⁺渗出量的影响

Study on Effects of Simulated Acid Rain on the Leakage Amount of K⁺,Ca²⁺ and Mg²⁺ in Leaves of Alnus formosana

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