|
|
Effects of plant allocation patterns on soil nutrients and their stoichiometry in red soil slope |
WANG Jiale1,2, WANG Zhigang1,2, GAO Yang3, XU Wensheng1,2 |
1. Department of Soil and Water Conservation, Changjiang River Scientific Research Institute, Changjiang Water Resources Commission, 430010, Wuhan, China; 2. Research Center on Mountain Torrent and Geological Disaster Prevention of MWR, 430010, Wuhan, China; 3. Water and Soil Conservation Division, Shenzhen Water Authority, 518035, Shenzhen, Guangdong, China |
|
|
Abstract [Background] Intensive human activities and specific natural conditions cause soil and water losses in Shenzhen frequently occur. Plantation is the main measure to prevent soil erosion and restore ecological environment. Soil nutrient stoichiometry contains abundant information such as the interaction between vegetation and soil, and soil nutrient limitation on vegetation growth. Studying the soil nutrients and their stoichiometric characteristics after plantation is conducive to understanding the effect of vegetation improvement on soil quality, which is instructive to the soil erosion control and ecological restoration in this area. [Methods] In order to explore the effects of plant allocation patterns on soil nutrients and their stoichiometry in red soil slope after a long time of vegetation reconstruction, this paper selected plots in Shenzhen Soil and Water Conservation Demonstration Garden as an example, on which vegetation reconstruction has been implemented for 10 years. Soils in depths of 0-10, 10-20 and 40-50 cm were taken from the plots of three different plant allocation patterns (grass land, wood land, wood & shrub land), as well as bare land for comparison, and the soil organic carbon (SOC), total nitrogen (TN), total phosphorus (TP), alkaline nitrogen (AN), available phosphorus (AP), and their stoichiometry were determined.[Results] 1) The main contributing layer of plants on soil nutrients was 0-10 cm surface layer. The improvement of surface soil SOC, TN and AN was the most significant in wood & shrub land, while the improvement of surface soil TP and AP was the most significant in wood land. 2) Surface soil C∶N significantly increased after vegetation reconstruction, but had no significant difference between the three plant allocation patterns (P>0.05). The surface soil C∶P and N∶P of wood & shrub land were both significantly higher than those of grass land and wood land (P<0.05). 3) The stoichiometric ratios of C, N, P were controlled by the amount of soil C and N. The coupling relationship between C and N was stable. Soil C∶P and N∶P had extremely significant positive correlations with C and N (P<0.01). [Conclusions] Soil nutrients and their stoichiometric characteristics are both influenced by soil depth and plant allocation patterns. Vegetation reconstruction demonstrate obvious effects on the improvement of soil quality. The improvement of soil C, N by wood & shrub with high C∶P and N∶P meanwhile is more significant than the independent performance of woods and grasses. N is the main limiting element of vegetation growth in the study area as it is more easily lost by soil erosion. The results of this study can provide references for the optimal allocation and performance evaluation of vegetation reconstruction in the soil erosion area of Shenzhen.
|
Received: 17 March 2021
|
|
|
|
|
[1] |
吴长文.深圳城市水土保持的探索与实践[J].中国水土保持, 2006(8):29. WU Changwen. Exploration and practice of urban soil and water conservation in Shenzhen[J]. Soil and Water Conservation in China, 2006(8):29.
|
[2] |
张园眼,李天宏.基于GIS和RUSLE模型的深圳市土壤侵蚀研究[J].应用基础与工程科学学报, 2018, 26(6):1189. ZHANG Yuanyan, LI Tianhong. Soil erosion in Shenzhen city based on GIS and RUSLE model[J]. Journal of Basic Science and Engineering, 2018, 26(6):1189.
|
[3] |
深圳市水土保持公报[R].深圳:深圳市水务局, 2018. Bulletin of water and soil conservation in Shenzhen[R]. Shenzhen:Shenzhen Water Authority, 2018.
|
[4] |
党晨席,郝明龙,何伟,等.深圳市土壤侵蚀预测模型的建立[J].水土保持研究, 2007,14(4):215. DANG Chenxi, HAO Minglong, HE Wei, et al. The establishment of soil erosion predication model in Shenzhen city[J]. Research of Soil and Water Conservation, 2007,14(4):215.
|
[5] |
王小杰,李跃明.深圳市城市土壤侵蚀预测模型的初步建立[J].中国农村水利水电, 2009(9):71. WANG Xiaojie, LI Yueming. Establishment of forecast model for the soil erosion in Shenzhen[J]. China Rural Water and Hydropower, 2009(9):71.
|
[6] |
徐翼,李天宏.基于土地利用结构变化的深圳市水土流失动态研究[J].长江科学院院报, 2009, 26(7):6. XU Yi, LI Tianhong. Dynamic evaluation of soil erosion in Shenzhen based on land-use structural variation[J]. Journal of Yangtze River Scientific Research Institute, 2009, 26(7):6.
|
[7] |
穆天龙,谢婧,吴健生,等.深圳市土地利用对土壤侵蚀的影响研究[J].水土保持研究, 2010, 17(3):53. MU Tianlong, XIE Jing, WU Jiansheng, et al. Effects of land use on soil erosion in Shenzhen,China[J]. Research of Soil and Water Conservation, 2010, 17(3):53.
|
[8] |
王昭艳,单志杰,池春青,等.不同植被重建模式下赣北红壤侵蚀坡地土壤养分效应[J].中国水利水电科学研究院学报, 2015, 13(5):327. WANG Zhaoyan, SHAN Zhijie, CHI Chunqing, et al. Soils nutrient under different vegetation restoration models in red soil erosion slope, North of Jiangxi province[J]. Journal of China Institute of Water Resources and Hydropower Research, 2015, 13(5):327.
|
[9] |
夏光辉,郭青霞,卢庆民,等.黄土丘陵区不同土地利用方式下土壤养分及生态化学计量特征[J].水土保持通报, 2020, 40(2):140. XIA Guanghui, GUO Qingxia, LU Qingmin, et al. Soil nutrients and ecological stoichiometry characteristics under different land use patterns in loess hilly area[J]. Bulletin of Soil and Water Conservation, 2020,40(2):140.
|
[10] |
ELSER J J, STERNER R W, GOROKHOVA E, et al. Biological stoichiometry from genes to ecosystems[J]. Ecology Letters, 2000, 3(6):540.
|
[11] |
刘政,田地,黄梓敬,等.南方红壤侵蚀区不同恢复年限马尾松人工林土壤和叶片氮磷养分含量及生态化学计量特征[J].应用与环境生物学报, 2019, 25(4):768. LIU Zheng, TIAN Di, HUANG Zijing, et al. Characteristics of soil and foliar N and P concentrations and stoichiometric ratio along restoration ages of Pinus massoniana plantations in red soils erosion regions of southern China[J]. Chinese Journal of Applied and Environmental Biology,2019, 25(4):768.
|
[12] |
鲍士旦.土壤农化分析[M]. 3版.北京:中国农业出版社, 2000:30. BAO Shidan. Soil agrochemical analysis[M]. 3rd ed. Beijing:China Agriculture Press, 2000:30.
|
[13] |
全国土壤普查办公室.中国土壤[M].北京:中国农业出版社, 1998:356. National Soil Census Office. China soil[M]. Beijing:China Agriculture Press, 1998:356.
|
[14] |
刘俊第,刘骏,胡亚林,等.植被恢复对红壤侵蚀区土壤氮组分的影响[J].土壤通报, 2019, 50(1):115. LIU Jundi, LIU Jun, HU Yalin, et al. Effect of vegetation restoration on soil nitrogen fractions in eroded red soil area[J]. Chinese Journal of Soil Science, 2019, 50(1):115.
|
[15] |
吴敏敏,刘俊第,林雪萍,等.植被恢复对红壤侵蚀区土壤铁铝氧化物和理化性质的影响[J].福建农林大学学报(自然科学版), 2020, 49(3):386. WU Minmin, LIU Jundi, LIN Xueping, et al. Effects of vegetation restoration on soil iron-aluminum oxides and physical and chemical properties in the eroded red soil area[J]. Journal of Fujian Agriculture and Forestry University (Natural Science Edition),2020, 49(3):386.
|
[16] |
李占斌,周波,马田田,等.黄土丘陵区生态治理对土壤碳氮磷及其化学计量特征的影响[J].水土保持学报, 2017, 31(6):312. LI Zhanbin, ZHOU Bo, MA Tiantian, et al. Effects of ecological management on characteristics of soil carbon, nitrogen, phosphorus and their stoichiometry in loess hilly region, China[J]. Journal of Soil and Water Conservation, 2017, 31(6):312.
|
[17] |
PALVIAINEN M, FINÉR L, KURKA A M, et al. Release of potassium, calcium, iron and aluminium from Norway spruce, Scots pine and silver birch logging residues[J]. Plant and Soil, 2004, 259(1/2):123.
|
[18] |
朱平宗,张光辉,杨文利,等.红壤区林地浅沟不同植被类型土壤生态化学计量特征[J].水土保持研究, 2020, 27(6):60. ZHU Pingzong, ZHANG Guanghui, YANG Wenli, et al. Characteristics of soil ecological stoichiometry of different vegetation types in ephemeral gully of forest land in red soil region[J]. Research of Soil and Water Conservation,2020, 27(6):60.
|
[19] |
陈晓安,杨洁,郑太辉,等.赣北第四纪红壤坡耕地水土及氮磷流失特征[J].农业工程学报, 2015, 31(17):162. CHEN Xiaoan, YANG Jie, ZHENG Taihui, et al. Sediment, runoff, nitrogen and phosphorus losses of sloping cropland of quaternary red soil in northern Jiangxi[J]. Transactions of the CSAE, 2015, 31(17):162.
|
[20] |
王辽宏,邱莉萍,高海龙,等.农牧交错带本氏针茅坡地土壤-植物系统磷素分布特征[J].植物营养与肥料学报, 2013, 19(5):1192. WANG Liaohong, QIU Liping, GAO Hailong, et al. Phosphorous distribution of plant-soil system in a Stipa bungeana slope land in the agro-pastoral transitional zone[J]. Journal of Plant Nutrition and Fertilizer, 2013, 19(5):1192.
|
[21] |
刘晓君,高盼,潘俊,等.红壤区植被恢复团聚体POC变化归因分析[J].水土保持学报, 2021, 35(2):217. LIU Xiaojun, GAO Pan, PAN Jun, et al. Factor analysis of particulate organic carbon changes in soil aggregates with vegetation restoration in degraded red soil regions[J]. Journal of Soil and Water Conservation,2021, 35(2):217.
|
[22] |
姜红梅,李明治,王亲,等.祁连山东段不同植被下土壤养分状况研究[J].水土保持研究, 2011, 18(5):166. JIANG Hongmei, LI Mingzhi, WANG Qin, et al. Dynamics of soil nutrients under different vegetation types in the eastern Qilian Mountains[J]. Research of Soil and Water Conservaton, 2011, 18(5):166.
|
[23] |
王霖娇,汪攀,盛茂银.西南喀斯特典型石漠化生态系统土壤养分生态化学计量特征及其影响因素[J].生态学报, 2018, 38(18):6580. WANG Linjiao, WANG Pan, SHENG Maoyin. Stoichiometric characteristics of soil nutrient elements and its influencing factors in typical karst rocky desertification ecosystems, Southwest China[J]. Acta Ecologica Sinica, 2018, 38(18):6580.
|
[24] |
张秋芳,陈奶寿,陈坦,等.不同恢复年限侵蚀红壤生态化学计量特征[J].中国水土保持科学, 2016, 14(2):59. ZHANG Qiufang, CHEN Naishou, CHEN Tan, et al. Ecological stoichiometry characteristics of eroded red soil in different restoration years[J].Science of Soil and Water Conservation, 2016, 14(2):59.
|
[25] |
TIAN Hanqin, CHEN Guangsheng, ZHANG Chi, et al. Pattern and variation of C:N:P ratios in China's soils:A synthesis of observational data[J]. Biogeochemistry, 2010, 98(1):139.
|
[26] |
CLEVELAND C C, LIPTZIN D. C:N:P stoichiometry in soil:Is there a "Redfield ratio" for the microbial biomass?[J]. Biogeochemistry, 2007, 85(3):235.
|
[27] |
XU Xiaofeng, THORNTON P E, POST W M. A global analysis of soil microbial biomass carbon, nitrogen and phosphorus in terrestrial ecosystems[J]. Global Ecology and Biogeography, 2013, 22(6):737.
|
[28] |
张光德,赵传燕,戎战磊,等.祁连山中部不同植被类型土壤生态化学计量特征研究[J].兰州大学学报(自然科学版), 2019, 55(4):533. ZHANG Guangde, ZHAO Chuanyan, RONG Zhanlei, et al. Ecological stoichiometry of soils with different vegetation types in the middle part of the Qilian Mountains[J]. Journal of Lanzhou University (Natural Sciences),2019, 55(4):533.
|
[29] |
LIU Xiang, MA Jie, MA Zhiwen, et al. Soil nutrient contents and stoichiometry as affected by land-use in an agro-pastoral region of northwest China[J]. Catena, 2017, 150:146.
|
[30] |
徐聪,王策,李明月,等.安新县不同利用方式土壤碳氮磷及生态化学计量特征研究[J].林业与生态科学, 2020, 35(3):304. XU Cong, WANG Ce, LI Mingyue, et al. Study on ecological stoichiometry of soil carbon, nitrogen and phosphorus under different land use patterns in Anxin county[J]. Forestry and Ecological Sciences,2020, 35(3):304.
|
[31] |
冯柳俊,陈志强,陈志彪,等.南方红壤侵蚀区不同治理年限样地芒萁和土壤的生态化学计量特征及相关性分析[J].植物资源与环境学报, 2019, 28(3):58. FENG Liujun, CHEN Zhiqiang, CHEN Zhibiao, et al. Ecological stoichiometric characteristics of Dicranopteris dichotoma and soil of plots with different governance years in red soil erosion area of south China and correlation analysis[J]. Journal of Plant Resources and Environment, 2019, 28(3):58.
|
|
|
|