Characteristics of soil nutrients in abandoned croplands at different abandoned years in the Ordos Plateau
YANG Liu, CAI Wentao, LAI Liming, ZHOU Jihua, JIANG Lianhe, ZHENG Yuanrun
1. Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, 100093, Beijing, China;
2. University of Chinese Academy of Sciences, 100049, Beijing, China
Abstract：[Background]:Plant community succession and soil nutrients change affects each other, and it is significant to research soil nutrient change in abandoned croplands with different years for us to understand plant community succession process.[Methods] Abandoned croplands at different years in the regions of Ruanliang and Yingliang in the Ordos Plateau, China, were selected (abandoned time was 1, 6, 10, 15, and 20 years in Ruanliang; and 3, 6, 10, 15 and 20 in Yingliang) to conduct field investigation for analyzing change of soil nutrients during vegetation succession.[Results] In the abandoned cropland in Ruanliang, except fluctuations of total carbon and total potassium, soil total nitrogen and total phosphorus increased gradually with increasing abandoned years, while total nitrogen and total phosphorus decreased with increasing soil depth. In the abandoned cropland in Yingliang, with increasing abandoned years, soil total carbon increased and then decreased generally; soil total nitrogen decreased and then increased at 0-10 cm soil layer, increased and then decreased at other soil layers; soil total phosphorus increased and then decreased at 0-30 cm soil layer, decreased and then increased at other soil layers; soil total potassium increased and then decreased at 0-10 cm soil layer, decreased at other soil layers. With increasing of soil depth, total carbon decreased in 20 year's abandoned cropland and natural vegetation, increased in other year's abandoned croplands; soil total nitrogen fluctuated in 6 year's abandoned cropland, decreased in other years' abandoned croplands; total phosphorus decreased and then increased in 10 years' abandoned cropland and natural vegetation, decreased in other year's abandoned croplands; soil total potassium did not show obvious changing trends. With the increasing abandoned years, soil C/N decreased, then increased, decreased finally in the abandoned cropland in Ruanliang and Yingliang. With the increasing soil depth, soil C/N decreased in natural vegetation, increased in other years' abandoned croplands in the abandoned cropland in Ruanliang; soil C/N increased in the abandoned cropland in Yingliang.[Conclusions] During vegetation succession, abandoned yeas and soil depth had significant effects on soil nutrients, and soil nutrient was higher in surface soil layers. The study provids scientific basis for vegetation restoration of abandoned cropland in the Ordos Plateau.
杨柳1,2, 蔡文涛1, 来利明1, 周继华1, 姜联合1, 郑元润1. 鄂尔多斯高原不同年限弃耕农田土壤养分特征[J]. 中国水土保持科学, 2018, 16(2): 39-46.
YANG Liu, CAI Wentao, LAI Liming, ZHOU Jihua, JIANG Lianhe, ZHENG Yuanrun. Characteristics of soil nutrients in abandoned croplands at different abandoned years in the Ordos Plateau. SSWC, 2018, 16(2): 39-46.
VAN AUKEN O W. Shrub invasions of North American semiarid grasslands[J]. Annual Review of Ecology and Systematics, 2000, 31:197.
[2]
ELDRIDGE D J, BOWKER M A, MAESTRE F T, et al. Impacts of shrub encroachment on ecosystem structure and functioning:towards a global synthesis[J]. Ecology Letters, 2011, 14(7):709.
[3]
彭海英, 李小雁, 童绍玉. 内蒙古典型草原灌丛化对生物量和生物多样性的影响[J]. 生态学报, 2013, 33(22):7221. PENG Haiying, LI Xiaoyan, TONG Shaoyu. Effects of shrub encroachment on biomass and biodiversity in the typical steppe of Inner Mongolia[J]. Acta Ecologica Sinica, 2013, 3(22):7221.
[4]
ZHANG Yong, GAO Qiong, XU Li, et al. Shrubs proliferated within a six-year enclosure in a temperate grassland-spatiotemporal relationships between vegetation and soil variables[J]. Science in Cold and Arid Regions, 2014, 36(2):139.
[5]
SILVA F H B D, ARIEIRA J, PAROLIN P, et al. Shrub encroachment influences herbaceous communities in flooded grasslands of a neotropical savanna wetland[J]. Applied Vegetation Science, 2016, 19(3):391.
[6]
RATAJCZAK Z, NIPPERT J B, COLLINS S L. Woody encroachment decreases diversity across North American grasslands and savannas[J]. Ecology, 2012, 93(4):697.
[7]
WARD D, HOFFMAN M T, COLLOCOTT S J. A century of woody plant encroachment in the dry Kimberley savanna of South Africa[J]. African Journal of Range and Forage Science, 2014, 31(2):107.
[8]
HOWARD K S C, ELDRIDGE D J, SOLIVERES S. Positive effects of shrubs on plant species diversity do not change along a gradient in grazing pressure in an arid shrubland[J]. Basic and Applied Ecology, 2012, 13(2):159.
[9]
QUERO J L, MAESTRE F T, OCHOA V, et al. On the importance of shrub encroachment by sprouters, climate, species richness and anthropic factors for ecosystem multifunctionality in semi-arid Mediterranean ecosystems[J]. Ecosystems, 2013, 16(7):1248.
[10]
HU Xia, LI Zongchao, LI Xiaoyan, et al. Influence of shrub encroachment on CT-measured soil macropore characteristics in the Inner Mongolia grassland of northern China[J]. Soil and Tillage Research, 2015, 150:1.
[11]
DEVINE A P, MCDONALD R A, QUAIFE T, et al. Determinants of woody encroachment and cover in African savannas[J]. Oecologia, 2017, 183:939.
[12]
D'ODORICO P, OKIN G S, BESTELMEYER B T. A synthetic review of feedbacks and drivers of shrub encroachment in arid grasslands[J]. Ecohydrology, 2012, 5(5):520.
[13]
CARACCIOLO D, ISTANBULLUOGLU E, NOTO L V, et al. Mechanisms of shrub encroachment into Northern Chihuahuan Desert grasslands and impacts of climate change investigated using a cellular automata model[J]. Advances in Water Resources, 2016, 91:46.
[14]
ELDRIDGE D J, SANTIAGO S, BOWKER M A, et al. Grazing dampens the positive effects of shrub encroachment on ecosystem functions in a semi-arid woodland[J]. Journal of Applied Ecology, 2013, 50(4):1028.
[15]
HE Yufei, D'ODORICO P, DE WEKKER S F J. The role of vegetation-microclimate feedback in promoting shrub encroachment in the northern Chihuahuan desert[J]. Global Change Biology, 2015, 21(6):2141.
[16]
ELDRIDGE D J, SOLIVERES S. Are shrubs really a sign of declining ecosystem function? Disentangling the myths and truths of woody encroachment in Australia[J]. Australian Journal of Botany, 2014, 62(7):594.
[17]
MILLER R F, TAUSCH R J, MCARTHUR E D, et al. Age structure and expansion of Pinon-juniper woodlands:a regional perspective in the intermountain west[R]. Research Paper RMRS-RP-69. USDA, Forrest Service, Rocky Mountain Research Station, Fort Collins, Colorado, 2008:1.
[18]
REYNOLDS J F, SMITH D M, LAMBIN E F, et al. Global desertification:building a science for dryland development[J]. Science, 2007, 316:847.
[19]
PENG Haiying, LI Xiaoyan, LI Guangyong, et al. Shrub encroachment with increasing anthropogenic disturbance in the semiarid Inner Mongolian grasslands of China[J]. Catena, 2013, 109(5):39
[20]
DENG Lei, SHANGGUAN Zhouping, SWEENEY S. Changes in soil carbon and nitrogen following land abandonment of farmland on the Loess Plateau, China[J]. PloS One, 2013, 8(8):e71923.
[21]
HOU Jian, FU Bojie. Vegetation dynamics during different abandoned year spans in the land of the Loess Plateau of China[J]. Environmental Monitoring and Assessment, 2014, 186(2):1133.
[22]
DUCHICELA J, SULLIVAN T S, BONTTI E, et al. Soil aggregate stability increase is strongly related to fungal community succession along an abandoned agricultural field chronosequence in the Bolivian Altiplano[J]. Journal of Applied Ecology, 2013, 50(50):1266.
[23]
蔡文涛. 鄂尔多斯高原弃耕农田植被与土壤物理性质动态[D].北京:中国科学院大学, 2016:1. CAI Wentao. Dynamics of the vegetation, soil physical property in the abandoned croplands in Ordos plateau[D]. Beijing:University of Chinese Academy of Sciences, 2016:1.
[24]
宋娟丽, 吴发启, 姚军, 等. 弃耕地植被恢复过程中土壤酶活性与理化特性演变趋势研究[J]. 西北农林科技大学学报(自然科学版), 2009, 37(4):103. SONG Juanli, WU Faqi, YAO Jun, et al. Changes of soil physical and chemical properties during vegetation restoration on abandoned cropland[J]. Journal of Northwest A & F University(Natural Science Edition), 2009, 37(4):103.
[25]
宋娟丽, 吴发启, 姚军, 等. 弃耕地植被恢复过程中土壤理化性质演变趋势研究[J]. 干旱地区农业研究, 2009, 27(3):168. SONG Juanli, WU Faqi, YAO Jun, et al. Changes of soil physical and chemical properties during vegetation restoration on abandoned cropland[J]. Agricultural Research in the Arid Areas, 2009, 27(3):168.
[26]
张海东, 汝海丽, 焦峰, 等. 黄土丘陵区退耕时间序列梯度上草本植被群落与土壤C、N、P、K化学计量学特征[J]. 环境科学, 2016, 37(3):1128. ZHANG Haidong, RU Haili, JIAO Feng, et al. C, N, P, K stoichiometric characteristic of leaves, root and soil in different abandoned years in Loess Plateau[J]. Environmental Science, 2016, 37(3):1128.
[27]
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.
[28]
安慧, 杨新国, 刘秉儒, 等. 荒漠草原区弃耕地植被演替过程中植物群落生物量及土壤养分变化[J]. 应用生态学报, 2011, 22(12):3145. AN Hui, YANG Xinguo, LIU Bingru, et al. Changes of plant community biomass and soil nutrients during the vegetation succession on abandoned cultivated land in desert steppe region[J]. Chinese Journal of Applied Ecology, 2011, 22(12):3145.
[29]
薛超玉, 焦峰, 张海东, 等. 黄土丘陵区弃耕地恢复过程中土壤与植物恢复特征[J]. 草业科学, 2016, 33(3):368. XUE Chaoyu, JIAO Feng, ZHANG Haidong, et al. The characteristics of plant species and soil quality in the restoration process of the Loess Hilly Region[J]. Pratacultural Science, 2016, 33(3):368.
2018, Vol. 16 
