荒漠植物红砂叶片元素含量与气候因子的关系

doi:10.3773/j.issn.1005-264x.2008.04.013

植物生态学报 ›› 2008, Vol. 32 ›› Issue (4): 848-857.DOI: 10.3773/j.issn.1005-264x.2008.04.013

所属专题：稳定同位素生态学

荒漠植物红砂叶片元素含量与气候因子的关系

马剑英¹^,²^,³(), 方向文³, 夏敦胜¹, 段争虎¹, 陈发虎²^,^*(), 王刚³

1 中国科学院寒区旱区环境与工程研究所沙漠与沙漠化重点实验室, 敦煌戈壁荒漠生态与环境研究站,兰州 730000
2 兰州大学西部环境教育部重点实验室,兰州 730000
3 兰州大学生命科学学院,兰州 730000

收稿日期:2007-06-11 接受日期:2008-01-08 出版日期:2008-06-11 发布日期:2008-07-30
通讯作者: 陈发虎
作者简介:*E-mail:fhchen@lzu.edu.cn
jyma@lzb.ac.cn
基金资助:
国家自然科学基金(40671195);国家自然科学基金(40771004);国家自然科学基金(40721061);国家自然科学基金(90502008);中国博士后科学基金(20060390193);科技部重点国际合作资助项目(2002CB714004)

CORRELATIONS BETWEEN METEOROLOGICAL FACTORS AND LEAF ELEMENT CONTENTS IN DESERT PLANT REAUMURIA SOONGORICA

MA Jian-Ying¹^,²^,³(), FANG Xiang-Wen³, XIA Dun-Sheng¹, DUAN Zheng-Hu¹, CHEN Fa-Hu²^,^*(), WANG Gang³

¹Dunhuang Gobi and Desert Ecology and Environment Research Station, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China
²Key Laboratory of Western China's Environmental Systems of Ministry of Education, Lanzhou University, Lanzhou 730000, China
³School of Life Sciences, Lanzhou University, Lanzhou 730000, China

Received:2007-06-11 Accepted:2008-01-08 Online:2008-06-11 Published:2008-07-30
Contact: CHEN Fa-Hu

摘要/Abstract

摘要：

通过测定中国境内红砂(Reaumuria soongorica)主要分布区21个自然种群407个植株叶片氮(N)、磷(P)、钾(K)含量、叶片含水量和稳定碳同位素组成等叶片特征, 分析不同自然种群红砂叶片特征与环境气候因子之间的关系。研究结果表明, 随着年平均最低温度的升高, 红砂叶片N、P含量、叶片含水量和稳定碳同位素值显著升高。年平均温度和红砂叶片含水量、年平均最高温度和红砂叶片稳定碳同位素值显著正相关。不同生长区年平均降雨量和平均湿度对红砂叶片特征的影响一致, 与红砂叶片P、K含量和叶片稳定碳同位素值显著负相关, 与叶片N含量和叶片含水量显著正相关。不同生长区平均日照时数和蒸发量对红砂叶片特征的影响一致, 与红砂叶片P、K含量和叶片稳定碳同位素值显著正相关, 与叶片含水量显著负相关。说明不同自然种群中红砂叶片特征受气候条件的影响显著, 不同气候因子对红砂叶片特征的贡献显著不同。不同种群间红砂叶片N含量的变化是各气象因子均衡作用的结果, 年平均湿度是影响红砂叶片K含量和稳定碳同位素值的主要限制因子, 蒸发量是影响红砂叶片P含量的关键因子, 平均日照时数是影响红砂叶片含水量的关键因子。红砂叶片特征对不同环境条件下气候因子的这种响应模式在一定程度上反映和指示了以红砂为建群种荒漠生态系统的环境状况和稳定程度。

关键词: 红砂, 叶片特征, 气候因子, 荒漠生态系统

Abstract:

Aims Reaumuria soongoricais a major dominant of desert shrub vegetation in arid regions of China. Our objectives were to investigate correlations between foliar characteristics of this desert plant and meteorological factors and to identify the major factor influencing variations in different environments.

Methods We collected 407 individuals of R. soongorica from 21 natural populations in its major area of distribution in northwestern China and measured the nitrogen, phosphorus, potassium and leaf water content and stable carbon isotope composition in leaves. Meteorological data, including mean annual precipitation and temperature, evaporation, mean relative humidity and duration of sunshine, were collected from the Cold and Arid Environmental and Engineering Research Institute, Chinese Academy of Sciences. The relationships between foliar characteristics and meteorological factors were analyzed by simple linear regression and Pearson's correlation.

Important findings Variation of leaf nitrogen content in R. soongorica was due to the complex effect of meteorological factors. Mean relative humidity was the limiting factor that affected leaf potassium content and stable carbon isotope composition. Evaporation and duration of sunshine were the key factors influencing leaf phosphorus content and water content, respectively. The impacts of climate conditions on foliar characteristics of R. soongorica were notable, and the contributions of different meteorological factors to foliar characteristics differed significantly. This pattern of variation in foliar characteristics responded to different meteorological conditions, reflecting the environmental status and the stable extent of desert ecosystems dominated by R. soongorica.

Key words: Reaumuria soongorica, foliar characteristic, meteorological factors, desert ecosystem

马剑英, 方向文, 夏敦胜, 段争虎, 陈发虎, 王刚. 荒漠植物红砂叶片元素含量与气候因子的关系. 植物生态学报, 2008, 32(4): 848-857. DOI: 10.3773/j.issn.1005-264x.2008.04.013

MA Jian-Ying, FANG Xiang-Wen, XIA Dun-Sheng, DUAN Zheng-Hu, CHEN Fa-Hu, WANG Gang. CORRELATIONS BETWEEN METEOROLOGICAL FACTORS AND LEAF ELEMENT CONTENTS IN DESERT PLANT REAUMURIA SOONGORICA. Chinese Journal of Plant Ecology, 2008, 32(4): 848-857. DOI: 10.3773/j.issn.1005-264x.2008.04.013

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链接本文: https://www.plant-ecology.com/CN/10.3773/j.issn.1005-264x.2008.04.013

https://www.plant-ecology.com/CN/Y2008/V32/I4/848

图/表 6

参考文献 43

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种群Population	采样地点 Sampling sites	叶片N含量 Leaf N content (%)	叶片P含量 Leaf P content (%)	叶片K含量 Leaf K content (%)	叶片含水量 Leaf water content (%)	δ¹³C (‰)
1	新疆呼图壁 Hutubi Xinjiang	2.63 ± 0.34	0.12 ± 0.008	0.65 ± 0.05	59.34 ± 1.62	-27.34 ± 0.21
2	新疆沙湾 Shawan Xinjiang	2.80 ± 0.20	0.17 ± 0.013	0.59 ± 0.06	62.00 ± 1.73	-26.43 ± 0.21
3	拜城县黑泽 Heize Baicheng	2.34 ± 0.16	0.07 ± 0.011	0.67 ± 0.04	58.97 ± 1.36	-27.29 ± 0.25
4	拜城县老虎台 Laohutai Baicheng	2.22 ± 0.15	0.05 ± 0.016	0.61 ± 0.06	61.07 ± 1.84	-26.16 ± 0.20
5	新疆伊吾盐池 Yanchi Yiwu	1.98 ± 0.15	0.14 ± 0.028	0.73 ± 0.03	55.28 ±1.30	-26.12 ± 0.17
6	伊吾下马崖 Xiamaya Yiwu	2.54 ± 0.18	0.16 ± 0.10	0.84 ± 0.05	57.07 ± 1.35	-25.21 ± 0.19
7	安西县红柳保护区South of Anxi	2.36 ± 0.16	0.17 ± 0.050	0.88 ± 0.08	59.57 ± 1.41	-24.68 ± 0.28
8	安西县北大桥 North bridge Anxi	2.00 ± 0.12	0.08 ± 0.014	0.81 ± 0.13	58.42 ± 1.58	-25.39 ± 0.12
9	张掖民乐 Minle Zhangye	2.42 ± 0.15	0.09 ± 0.010	0.65 ± 0.06	62.03 ± 1.25	-27.18 ± 0.28
10	张掖临泽 Linze Zhangye	2.87 ± 0.20	0.17 ± 0.018	0.56 ± 0.04	64.70 ±1.26	-25.01 ± 0.30
11	张掖市北 North of Zhangye	2.51 ± 0.19	0.07 ± 0.014	0.65 ± 0.05	64.34 ± 2.18	-27.64 ± 0.21
12	银川市(古窑子) Guyaozi Yinchuan	1.78 ± 0.11	0.09 ± 0.009	0.52 ± 0.03	64.58 ± 1.02	-27.43 ± 0.17
13	银川市黄河南 South of Yinchuan	2.57 ± 0.22	0.12 ± 0.028	0.55 ± 0.04	69.47 ±1.95	-26.86 ± 0.21
14	阿拉善左旗北 North of Alashan	1.80 ± 0.09	0.06 ± 0.009	0.68 ± 0.03	61.57 ± 1.20	-27.35 ± 0.18
15	阿拉善腰坝镇 Yaoba Alashan	2.52 ± 0.12	0.08 ± 0.008	0.92 ± 0.02	61.41 ± 1.00	-25.79 ± 0.20
16	沙坡头Shapotou	2.89 ± 0.23	0.08 ± 0.010	0.65 ± 0.04	62.75 ± 0.92	-26.92 ± 0.24
17	中卫县南 South of Zhongwei	2.46 ± 0.23	0.10 ± 0.014	0.55 ± 0.05	62.65 ± 1.27	-27.47 ± 0.21
18	甘肃景泰白墩子 Baidunzi Jingtai	2.35 ± 0.20	0.19 ± 0	0.73 ± 0	67.72 ± 0	-26.04 ± 0.27
19	白银 Nouth Baiyin	2.34 ± 0.21	0.11 ± 0.020	0.72 ± 0.05	68.43 ± 1.20	-26.67 ± 0.16
20	甘肃铝厂Gansu aluminium factory	2.86 ± 0.11	0.08 ± 0.011	0.75 ± 0.07	65.43 ± 0.50	-26.90 ± 0.31
21	皋兰 Gaolan Gansu	2.17 ± 0.12	0.11 ± 0.004	0.68 ± 0.03	61.05 ± 1.11	-27.00 ± 0.23
样本量 Sample number		399	337	337	359	407
最大值 Maximum		4.48	1.0023	2.08	76.54	-22.77
最小值 Minimum		0.94	0.0072	0.238	48.97	-29.85
平均值 Mean		2.40	0.1079	0.67	62.28	-26.52
F 值 F-value for population difference		18.046^***	7.886^***	9.616^***	23.399^***	16.651^***

种群Population	采样地点 Sampling sites	叶片N含量 Leaf N content (%)	叶片P含量 Leaf P content (%)	叶片K含量 Leaf K content (%)	叶片含水量 Leaf water content (%)	δ¹³C (‰)
1	新疆呼图壁 Hutubi Xinjiang	2.63 ± 0.34	0.12 ± 0.008	0.65 ± 0.05	59.34 ± 1.62	-27.34 ± 0.21
2	新疆沙湾 Shawan Xinjiang	2.80 ± 0.20	0.17 ± 0.013	0.59 ± 0.06	62.00 ± 1.73	-26.43 ± 0.21
3	拜城县黑泽 Heize Baicheng	2.34 ± 0.16	0.07 ± 0.011	0.67 ± 0.04	58.97 ± 1.36	-27.29 ± 0.25
4	拜城县老虎台 Laohutai Baicheng	2.22 ± 0.15	0.05 ± 0.016	0.61 ± 0.06	61.07 ± 1.84	-26.16 ± 0.20
5	新疆伊吾盐池 Yanchi Yiwu	1.98 ± 0.15	0.14 ± 0.028	0.73 ± 0.03	55.28 ±1.30	-26.12 ± 0.17
6	伊吾下马崖 Xiamaya Yiwu	2.54 ± 0.18	0.16 ± 0.10	0.84 ± 0.05	57.07 ± 1.35	-25.21 ± 0.19
7	安西县红柳保护区South of Anxi	2.36 ± 0.16	0.17 ± 0.050	0.88 ± 0.08	59.57 ± 1.41	-24.68 ± 0.28
8	安西县北大桥 North bridge Anxi	2.00 ± 0.12	0.08 ± 0.014	0.81 ± 0.13	58.42 ± 1.58	-25.39 ± 0.12
9	张掖民乐 Minle Zhangye	2.42 ± 0.15	0.09 ± 0.010	0.65 ± 0.06	62.03 ± 1.25	-27.18 ± 0.28
10	张掖临泽 Linze Zhangye	2.87 ± 0.20	0.17 ± 0.018	0.56 ± 0.04	64.70 ±1.26	-25.01 ± 0.30
11	张掖市北 North of Zhangye	2.51 ± 0.19	0.07 ± 0.014	0.65 ± 0.05	64.34 ± 2.18	-27.64 ± 0.21
12	银川市(古窑子) Guyaozi Yinchuan	1.78 ± 0.11	0.09 ± 0.009	0.52 ± 0.03	64.58 ± 1.02	-27.43 ± 0.17
13	银川市黄河南 South of Yinchuan	2.57 ± 0.22	0.12 ± 0.028	0.55 ± 0.04	69.47 ±1.95	-26.86 ± 0.21
14	阿拉善左旗北 North of Alashan	1.80 ± 0.09	0.06 ± 0.009	0.68 ± 0.03	61.57 ± 1.20	-27.35 ± 0.18
15	阿拉善腰坝镇 Yaoba Alashan	2.52 ± 0.12	0.08 ± 0.008	0.92 ± 0.02	61.41 ± 1.00	-25.79 ± 0.20
16	沙坡头Shapotou	2.89 ± 0.23	0.08 ± 0.010	0.65 ± 0.04	62.75 ± 0.92	-26.92 ± 0.24
17	中卫县南 South of Zhongwei	2.46 ± 0.23	0.10 ± 0.014	0.55 ± 0.05	62.65 ± 1.27	-27.47 ± 0.21
18	甘肃景泰白墩子 Baidunzi Jingtai	2.35 ± 0.20	0.19 ± 0	0.73 ± 0	67.72 ± 0	-26.04 ± 0.27
19	白银 Nouth Baiyin	2.34 ± 0.21	0.11 ± 0.020	0.72 ± 0.05	68.43 ± 1.20	-26.67 ± 0.16
20	甘肃铝厂Gansu aluminium factory	2.86 ± 0.11	0.08 ± 0.011	0.75 ± 0.07	65.43 ± 0.50	-26.90 ± 0.31
21	皋兰 Gaolan Gansu	2.17 ± 0.12	0.11 ± 0.004	0.68 ± 0.03	61.05 ± 1.11	-27.00 ± 0.23
样本量 Sample number		399	337	337	359	407
最大值 Maximum		4.48	1.0023	2.08	76.54	-22.77
最小值 Minimum		0.94	0.0072	0.238	48.97	-29.85
平均值 Mean		2.40	0.1079	0.67	62.28	-26.52
F 值 F-value for population difference		18.046^***	7.886^***	9.616^***	23.399^***	16.651^***

项目 Item	影响因子 Influence factors	逐步回归方程 Stepwise regression equation	复相关系数 Multiple correlation coefficient	偏相关系数 Partial correlation coefficient	p值^* Sig.
叶片P含量 Leaf P content	气候因子Meteorological factors	P = 0.013 + 0.000 526 E	0.454	0.454	0.067; 0.067
叶片K含量 Leaf K content		K = 0.680-0.05 RH+ 0.009 06 DS	0.748	-0.429; 0.410	0.003; 0.071; 0.083
叶片含水量 Leaf water content		LWC = 75.399-0.005 DS	0.562	-0.562	0.019; 0.019
叶片稳定碳同位素值 δ¹³C		δ¹³C =-23.304-0.049 RH-0.004 MAP	0.778	-0.491; -0.396	0.001; 0.027; 0.066

项目 Item	影响因子 Influence factors	逐步回归方程 Stepwise regression equation	复相关系数 Multiple correlation coefficient	偏相关系数 Partial correlation coefficient	p值^* Sig.
叶片P含量 Leaf P content	气候因子Meteorological factors	P = 0.013 + 0.000 526 E	0.454	0.454	0.067; 0.067
叶片K含量 Leaf K content		K = 0.680-0.05 RH+ 0.009 06 DS	0.748	-0.429; 0.410	0.003; 0.071; 0.083
叶片含水量 Leaf water content		LWC = 75.399-0.005 DS	0.562	-0.562	0.019; 0.019
叶片稳定碳同位素值 δ¹³C		δ¹³C =-23.304-0.049 RH-0.004 MAP	0.778	-0.491; -0.396	0.001; 0.027; 0.066

荒漠植物红砂叶片元素含量与气候因子的关系

CORRELATIONS BETWEEN METEOROLOGICAL FACTORS AND LEAF ELEMENT CONTENTS IN DESERT PLANT REAUMURIA SOONGORICA

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