Photosynthesis diurnal courses of main species in degraded habitat of Taihang Mountains

ZHANG Ming-ru; ZHAI Ming-pu; WEN Guo-sheng; WANG Xue-yong; ZHANG Jian-guo

Volume 22 Issue 5

Feb. 2017

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ZHANG Ming-ru, ZHAI Ming-pu, WEN Guo-sheng, WANG Xue-yong, ZHANG Jian-guo. Photosynthesis diurnal courses of main species in degraded habitat of Taihang Mountains[J]. Journal of Zhejiang A&F University, 2005, 22(5): 475-580.

Citation:

ZHANG Ming-ru, ZHAI Ming-pu, WEN Guo-sheng, WANG Xue-yong, ZHANG Jian-guo. Photosynthesis diurnal courses of main species in degraded habitat of Taihang Mountains[J]. Journal of Zhejiang A&F University, 2005, 22(5): 475-580.

Photosynthesis diurnal courses of main species in degraded habitat of Taihang Mountains

1.
.School of Tourism , Zhejiang Forestry College , Lin'an 311300 , Zhejiang , China;
2.
School of Resources and Environment , Beijing Forestry University , Beijing 100083, China;
3.
School of Forestry and Biotechnology , Zhejiang Forestry College , Lin'an 311300 , Zhejiang , China;
4.
.Forestry Academy of Hebei Province , Shijiazhuang 050061, Hebei, China

Funds:

十五国家科技攻关项目(2001BA510B0405);浙江林学院科学研究发展基金资助项目

Received Date: 2005-01-05
Rev Recd Date: 2005-06-03
Publish Date: 2005-10-20

Abstract

The photosynthetic diurnal courses of Ziziphus jujuba var .inermis , Robinia pseudoacacia , Platycladus orientalis and Ailanthus altissima were studied .The results showed that the diurnal changes of net photosynthesis (Pn), transpiration rate (Tr)and stomotal conductance (Cond)of Z .jujuba var .inermis were one-peaked curves , reaching a maximum at 10 :00 .The diurnal changes of Cond of R .pseudoacacia and Pn of P .orientalis were one-peaked curves , reaching a maximum at 9 :00 and 10 :00 respectively .And the diurnal changes of Pn and Tr of R .pseudoacacia were one-peaked curves , but that of Cond and Tr of P .orientalis were two-peaked curves . The Fv/F m ratio of P .orientalis , A .altissima and R .pseudoacacia reached a minumin at 13 :00 in a clear day of autumn , but Fv/Fm ratio of Z .jujuba var .inermis reached a minumin from 10 :00 to 13 :00 .The Fv/Fm ratio of R .pseudoacacia came back quickly at sunset , but that of A .altissima , P .orientalis and Z .jujuba var . inermis came back slowly at sunset compared with that of R .pseudoacacia .The diunal courses of the photosynthesis of the tree species measured are different , so some suggestions about how to selecting these tree species in reconstructing artificial communities are put forward .[ Ch , 5 fig .4 tab .17 ref .]
- plant physiological ecology,
- degraded habitat,
- diurnal courses of photosynthesis,
- suite stresses,
- Taihang Mountains

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Photosynthesis diurnal courses of main species in degraded habitat of Taihang Mountains

1. .School of Tourism , Zhejiang Forestry College , Lin'an 311300 , Zhejiang , China;

2. School of Resources and Environment , Beijing Forestry University , Beijing 100083, China;

3. School of Forestry and Biotechnology , Zhejiang Forestry College , Lin'an 311300 , Zhejiang , China;

4. .Forestry Academy of Hebei Province , Shijiazhuang 050061, Hebei, China

Funds:

十五国家科技攻关项目(2001BA510B0405);浙江林学院科学研究发展基金资助项目

Received Date: 2005-01-05

Rev Recd Date: 2005-06-03

Publish Date: 2005-10-20

Key words:

Abstract: The photosynthetic diurnal courses of Ziziphus jujuba var .inermis , Robinia pseudoacacia , Platycladus orientalis and Ailanthus altissima were studied .The results showed that the diurnal changes of net photosynthesis (Pn), transpiration rate (Tr)and stomotal conductance (Cond)of Z .jujuba var .inermis were one-peaked curves , reaching a maximum at 10 :00 .The diurnal changes of Cond of R .pseudoacacia and Pn of P .orientalis were one-peaked curves , reaching a maximum at 9 :00 and 10 :00 respectively .And the diurnal changes of Pn and Tr of R .pseudoacacia were one-peaked curves , but that of Cond and Tr of P .orientalis were two-peaked curves . The Fv/F m ratio of P .orientalis , A .altissima and R .pseudoacacia reached a minumin at 13 :00 in a clear day of autumn , but Fv/Fm ratio of Z .jujuba var .inermis reached a minumin from 10 :00 to 13 :00 .The Fv/Fm ratio of R .pseudoacacia came back quickly at sunset , but that of A .altissima , P .orientalis and Z .jujuba var . inermis came back slowly at sunset compared with that of R .pseudoacacia .The diunal courses of the photosynthesis of the tree species measured are different , so some suggestions about how to selecting these tree species in reconstructing artificial communities are put forward .[ Ch , 5 fig .4 tab .17 ref .]

Photosynthesis diurnal courses of main species in degraded habitat of Taihang Mountains

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通讯作者: 陈斌, bchen63@163.com

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