Stoichiometric Characteristics of Nitrogen and Phosphorus in Dicranopreris dichotoma During Ecosystem Restoration of Eroded Red-Soil

CHEN Nai-shou; ZHANG Qiu-fang; CHEN Tan; YANG Yu-sheng; XIE Jin-sheng

Volume 29 Issue 5

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Stoichiometric Characteristics of Nitrogen and Phosphorus in Dicranopreris dichotoma During Ecosystem Restoration of Eroded Red-Soil

1.
State Key Laboratory for Subtropical Mountain Ecology, Fujian Normal University, Fuzhou 350007, Fujian, China
2.
Institute of Geography, Fujian Normal University, Fuzhou 350007, Fujian, China

Received Date: 2015-12-25

Abstract

[Objective] Taking the Dicranopreris dichotoma populations after ecological restoration of eroded red-soil as the object, a comparative study was made on the D. dichotoma and soil N, P contents and the ratios in different recovery period, aiming at understanding the change of ecological restoration on D. dichotoma stoichiometric characteristics.[Method] The D. dichotoma individuals in different restoration period from 0 to 100 years in erode red-soil were collected in Changting, Fujian Province. The N content, P content and N:P ratio in leaves and soil were measured and analyzed by correlation analysis. [Result] The results showed that the N and P contents in belowground fresh organs of D. dichotoma in restoration area were significantly higher than that in contrast area (Leaf N 8.11 g·kg-1, P 0.297 g·kg-1; Petiole N 2.63 g·kg-1, P 0.103 g·kg-1), but still lower than that in secondary forest (Leaf N 12.41 g·kg-1, P 0.497 g·kg-1; petiole N 4.32 g·kg-1, P 0.211 g·kg-1; dead leaf N 11.09 g·kg-1, P 0.356 g·kg-1; dead petiole N 3.83 g·kg-1, P 0.163 g·kg-1;rhizome N 5.330 g·kg-1, P 0.348 g·kg-1). Compared with the contrast area, the N:P ratio of dead organs showed a trend of decline. With the increasing of soil nutrient, the N, P contents in the aboveground and belowground organs increased simultaneously and also had a significant correlation with soil N:P ratio. In all community, the N:P ratio of D. dichotoma leaves were lower than 16. Homeostasis index (H) for N, P content in the organs of D. dichotoma was higher than Pinus massoniana. Compared with P. massoniana, the nutrient contents of D. dichotoma can better reflect the status of soil nutrients. The N, P contents in dead leaf and dead petiole were positively correlated with soil N and P, respectively. It was indicated that there was a better correlation between nutrients in dead organs and soil nutrients. [Conclusion] With the increasing of soil nutrient, the N, P contents of aboveground and belowground organ increased simultaneously and also had a significant correlation with soil N:P ratio. The D. dichotoma on eroded red-soil was more strongly limited by P concentrations than N concentration. The dead plant organs may be a better indicator of soil nutrients than fresh plant organs.
- Dicranopreris dichotoma,
- ecological stoichiometry,
- N:P ratio,
- ecosystem restoration.

References

[1]	中国科学院中国植物志编辑委员会.中国植物志[M].北京:科学出版社,1999:120.
[2]	刘迎春,刘琪璟,汪宏清,等.芒萁生物量分布特征[J].生态学杂志,2008,27(5):705-706.
[3]	李小飞,陈志彪,陈志强,等.南方红壤侵蚀区芒萁生长特征及其对环境因子的响应[J].水土保持通报,2013,33(3):33-37.
[4]	邓恢,林沁文,滕华卿,等.强度水土流失区芒萁生长规律分析[J].福建林学院学报,2004,24(3):262-26.
[5]	陈建.不同环境条件下芒萁群落生物量动态规律的研究[J].生态学杂志,1991,10(4):18-22.
[6]	管东生.香港草地、芒萁、灌木群落植物养分浓度和养分利用效率[J].中山大学学报:自然科学版,1998,37(2):167-171.
[7]	管东生.香港草地、芒萁、灌木群落的C素动态[J].生态学报,2001,21(3):440-445.
[8]	汪振立,魏正贵,陶冶,等.岩石-土壤-铁芒萁系统中稀土元素的分布、迁移和累积[J].地质通报,2002,21(2):881-889.
[9]	Agren G I.The CNP stoichiometry of autotrophs-theory and observations[J].Ecology,2004(7):85-191.
[10]	Wassen M J,Olde Venterink H G M,Swart Evalyne O A M.Nutrient concentrations in mire vegetation as a measure of nutrient limitation in mire ecosystems[J].Journal of Vegetation Science,1995,6(1):5-16.
[11]	Harpole S W,Ngai J T,Cleland E E,et al.Nutrient co-limitation of primary producer communities[J].Ecology Letters,2011,14(9):852-862.
[12]	Richardson S J,Allen R B,Docherty J E.Shifts in leaf N:P ratio during resorption reflect soil P in temperate rainforest[J].Functional Ecolory,2008,22(4):738-745.
[13]	平川,王传宽,全先奎.环境变化对兴安落叶松氮磷化学计量特征的影响[J].生态学报,2014,34(8),1965-1974.
[14]	洪江涛,吴建波,王小丹.全球气候变化对陆地植物碳氮磷生态化学计量学特征的影响[J].应用生态学报,2013,24(9):2658-2665.
[15]	任书杰,于贵瑞,陶波,等.中国东部南北样带654种植物叶片氮和磷的化学计量学特征研究[J]. 环境科学,2007,28(12):2666-2668.
[16]	Wright I J,Reich P B,Westoby M,et al.The worldwide leaf economics spectrum[J].Nature,2004,428:821-827.
[17]	Mason N W H,Richardson S J,Peltzer D A,et al.Changes in coexistence mechanisms along a long-term soil chronosequence revealed by functional trait diversity[J].Journal of Ecology,2012,100(3):678-689.
[18]	吴统贵,吴明,刘丽,等.杭州湾滨海湿地3种草本植物叶片N、P化学计量学的季节变化[J].植物生态学报,2010,34(1):23-28.
[19]	Elser J J,Dobberfuhl D,Mackay N A,et al.Organism size,life history and N:P cycle[J].Biogeochemistry,1996,46(9):237-252.
[20]	Kerkhoff A J,Fagan W F,Elser J J,et al.Phylogenetic and growth form variation in the scaling of nitrogen and phosphorus in the seed plants[J].American Naturalist,2006,168(4):E103-E122.
[21]	Koerselman W,Meuleman A F M.The vegetation N:P ratio:a new tool to detect the nature of nutrient limitation[J].Journal of Applied Ecology,1996,33(6):1441-1450.
[22]	吴波波,郭建芬,吴君君,等.采伐剩余物对林地表层土壤生化特性和酶活性的影响[J].生态学报,2014,34(7):1645-1653.
[23]	庾强.内蒙古草原植物化学计量生态学研究[D].北京:中国科学院研究生院,2009.
[24]	王绍强,于贵瑞.生态系统碳氮磷元素的生态化学计量学特征[J]. 生态学报,2008,28(8):3937-3947.
[25]	Koerselman W,Meuleman A F M.The vegetation N:P ratio:a new tool to detect the nature of nutrient limitation[J].Journal of Applied Ecology,1996,33(6):1441-1450.
[26]	陈嘉茜,张玲玲,李炯,等.蕨类植物碳氮磷化学计量特征及其与土壤养分的关系[J].热带亚热带植物学报,2014,22(6):567-575.
[27]	丁凡,廉培勇,曾德慧.松嫩平原草甸三种植物叶片N、P化学计量特征及其与土壤N、P浓度的关系[J].生态学杂志,2011,30(1):77-81.
[28]	Vitousek P M.Foliar and litter nutrients,nutrient resorption and decomposition in Hawaiian Metrosideros polymorpha[J].Ecosystems,1998,1(4):401-407.
[29]	陈建,钟章成.芒萁群落中营养元素的循环特点[J].生态学报,1991,11(4):299-306.
[30]	Schreeg L A,Santiago L S,Wright S J,et al.Stem,root,and older leaf N:P ratios are more responsive indicators of soil nutrient availability than new foliage[J].Ecology,2014,95(8),2062-2068.

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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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Stoichiometric Characteristics of Nitrogen and Phosphorus in Dicranopreris dichotoma During Ecosystem Restoration of Eroded Red-Soil

1. State Key Laboratory for Subtropical Mountain Ecology, Fujian Normal University, Fuzhou 350007, Fujian, China

2. Institute of Geography, Fujian Normal University, Fuzhou 350007, Fujian, China

Received Date: 2015-12-25

Abstract: [Objective] Taking the Dicranopreris dichotoma populations after ecological restoration of eroded red-soil as the object, a comparative study was made on the D. dichotoma and soil N, P contents and the ratios in different recovery period, aiming at understanding the change of ecological restoration on D. dichotoma stoichiometric characteristics.[Method] The D. dichotoma individuals in different restoration period from 0 to 100 years in erode red-soil were collected in Changting, Fujian Province. The N content, P content and N:P ratio in leaves and soil were measured and analyzed by correlation analysis. [Result] The results showed that the N and P contents in belowground fresh organs of D. dichotoma in restoration area were significantly higher than that in contrast area (Leaf N 8.11 g·kg-1, P 0.297 g·kg-1; Petiole N 2.63 g·kg-1, P 0.103 g·kg-1), but still lower than that in secondary forest (Leaf N 12.41 g·kg-1, P 0.497 g·kg-1; petiole N 4.32 g·kg-1, P 0.211 g·kg-1; dead leaf N 11.09 g·kg-1, P 0.356 g·kg-1; dead petiole N 3.83 g·kg-1, P 0.163 g·kg-1;rhizome N 5.330 g·kg-1, P 0.348 g·kg-1). Compared with the contrast area, the N:P ratio of dead organs showed a trend of decline. With the increasing of soil nutrient, the N, P contents in the aboveground and belowground organs increased simultaneously and also had a significant correlation with soil N:P ratio. In all community, the N:P ratio of D. dichotoma leaves were lower than 16. Homeostasis index (H) for N, P content in the organs of D. dichotoma was higher than Pinus massoniana. Compared with P. massoniana, the nutrient contents of D. dichotoma can better reflect the status of soil nutrients. The N, P contents in dead leaf and dead petiole were positively correlated with soil N and P, respectively. It was indicated that there was a better correlation between nutrients in dead organs and soil nutrients. [Conclusion] With the increasing of soil nutrient, the N, P contents of aboveground and belowground organ increased simultaneously and also had a significant correlation with soil N:P ratio. The D. dichotoma on eroded red-soil was more strongly limited by P concentrations than N concentration. The dead plant organs may be a better indicator of soil nutrients than fresh plant organs.

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Reference (30)

[1]	中国科学院中国植物志编辑委员会.中国植物志[M].北京:科学出版社,1999:120.
[2]	刘迎春,刘琪璟,汪宏清,等.芒萁生物量分布特征[J].生态学杂志,2008,27(5):705-706.
[3]	李小飞,陈志彪,陈志强,等.南方红壤侵蚀区芒萁生长特征及其对环境因子的响应[J].水土保持通报,2013,33(3):33-37.
[4]	邓恢,林沁文,滕华卿,等.强度水土流失区芒萁生长规律分析[J].福建林学院学报,2004,24(3):262-26.
[5]	陈建.不同环境条件下芒萁群落生物量动态规律的研究[J].生态学杂志,1991,10(4):18-22.
[6]	管东生.香港草地、芒萁、灌木群落植物养分浓度和养分利用效率[J].中山大学学报:自然科学版,1998,37(2):167-171.
[7]	管东生.香港草地、芒萁、灌木群落的C素动态[J].生态学报,2001,21(3):440-445.
[8]	汪振立,魏正贵,陶冶,等.岩石-土壤-铁芒萁系统中稀土元素的分布、迁移和累积[J].地质通报,2002,21(2):881-889.
[9]	Agren G I.The CNP stoichiometry of autotrophs-theory and observations[J].Ecology,2004(7):85-191.
[10]	Wassen M J,Olde Venterink H G M,Swart Evalyne O A M.Nutrient concentrations in mire vegetation as a measure of nutrient limitation in mire ecosystems[J].Journal of Vegetation Science,1995,6(1):5-16.
[11]	Harpole S W,Ngai J T,Cleland E E,et al.Nutrient co-limitation of primary producer communities[J].Ecology Letters,2011,14(9):852-862.
[12]	Richardson S J,Allen R B,Docherty J E.Shifts in leaf N:P ratio during resorption reflect soil P in temperate rainforest[J].Functional Ecolory,2008,22(4):738-745.
[13]	平川,王传宽,全先奎.环境变化对兴安落叶松氮磷化学计量特征的影响[J].生态学报,2014,34(8),1965-1974.
[14]	洪江涛,吴建波,王小丹.全球气候变化对陆地植物碳氮磷生态化学计量学特征的影响[J].应用生态学报,2013,24(9):2658-2665.
[15]	任书杰,于贵瑞,陶波,等.中国东部南北样带654种植物叶片氮和磷的化学计量学特征研究[J]. 环境科学,2007,28(12):2666-2668.
[16]	Wright I J,Reich P B,Westoby M,et al.The worldwide leaf economics spectrum[J].Nature,2004,428:821-827.
[17]	Mason N W H,Richardson S J,Peltzer D A,et al.Changes in coexistence mechanisms along a long-term soil chronosequence revealed by functional trait diversity[J].Journal of Ecology,2012,100(3):678-689.
[18]	吴统贵,吴明,刘丽,等.杭州湾滨海湿地3种草本植物叶片N、P化学计量学的季节变化[J].植物生态学报,2010,34(1):23-28.
[19]	Elser J J,Dobberfuhl D,Mackay N A,et al.Organism size,life history and N:P cycle[J].Biogeochemistry,1996,46(9):237-252.
[20]	Kerkhoff A J,Fagan W F,Elser J J,et al.Phylogenetic and growth form variation in the scaling of nitrogen and phosphorus in the seed plants[J].American Naturalist,2006,168(4):E103-E122.
[21]	Koerselman W,Meuleman A F M.The vegetation N:P ratio:a new tool to detect the nature of nutrient limitation[J].Journal of Applied Ecology,1996,33(6):1441-1450.
[22]	吴波波,郭建芬,吴君君,等.采伐剩余物对林地表层土壤生化特性和酶活性的影响[J].生态学报,2014,34(7):1645-1653.
[23]	庾强.内蒙古草原植物化学计量生态学研究[D].北京:中国科学院研究生院,2009.
[24]	王绍强,于贵瑞.生态系统碳氮磷元素的生态化学计量学特征[J]. 生态学报,2008,28(8):3937-3947.
[25]	Koerselman W,Meuleman A F M.The vegetation N:P ratio:a new tool to detect the nature of nutrient limitation[J].Journal of Applied Ecology,1996,33(6):1441-1450.
[26]	陈嘉茜,张玲玲,李炯,等.蕨类植物碳氮磷化学计量特征及其与土壤养分的关系[J].热带亚热带植物学报,2014,22(6):567-575.
[27]	丁凡,廉培勇,曾德慧.松嫩平原草甸三种植物叶片N、P化学计量特征及其与土壤N、P浓度的关系[J].生态学杂志,2011,30(1):77-81.
[28]	Vitousek P M.Foliar and litter nutrients,nutrient resorption and decomposition in Hawaiian Metrosideros polymorpha[J].Ecosystems,1998,1(4):401-407.
[29]	陈建,钟章成.芒萁群落中营养元素的循环特点[J].生态学报,1991,11(4):299-306.
[30]	Schreeg L A,Santiago L S,Wright S J,et al.Stem,root,and older leaf N:P ratios are more responsive indicators of soil nutrient availability than new foliage[J].Ecology,2014,95(8),2062-2068.

Stoichiometric Characteristics of Nitrogen and Phosphorus in Dicranopreris dichotoma During Ecosystem Restoration of Eroded Red-Soil

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通讯作者: 陈斌, bchen63@163.com

Proportional views

Stoichiometric Characteristics of Nitrogen and Phosphorus in Dicranopreris dichotoma During Ecosystem Restoration of Eroded Red-Soil

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