Chinese Journal of Plant Ecology >
Fractal root system of Melica przewalskyi along different aspect in degraded grassland
# Co-first authors
Received date: 2015-02-03
Accepted date: 2015-05-20
Online published: 2015-08-17
Aims Fractal root system is phenotypic plasticity result of plant root architecture to respond to environmental heterogeneity, may reflect the growth strategy of plants to adapt to environmental conditions. Our objective was to explore the relationship between root fractal dimension and fractal abundance of fractal root system of Melica przewalskyi population in response to aspect variation in the northwest of China. Methods The study site was located in a degraded alpine grassland on the northern slope in Qilian Mountains, Gansu Province, China. Survey and sampling were carried out at 40 plots which were set up along four slope aspects transects with 20 m distance between adjacent plots. Handheld GPS was used to determine the elevation, longitude and latitude of each plot. ArcGIS was used to set up digital elevation model (DEM). Community traits were investigated and six individuals roots of M. przewalskyi were collected randomly at each plot. The samples were cleaned and divided into different organs, then scanning the root with the Win-RHIZO for measurements of fractal dimension and fractal abundance in laboratory, and their biomass were then measured after being dried at 80 °C in an oven. Important findings With the slope aspect turned from north to east, west, and south, the density, height and soil moisture content of the plant community displayed a pattern of initial decline, the height, density, root fractal abundance of M. przewalskyi increased and the root fractal dimension decreased. The root fractal dimension was negatively associated with the fractal abundance in all aspects, but the relationship varied along the slope aspects gradient; there was a highly significant negative correlation (p < 0.01) between the root fractal dimension and fractal abundance at north slope and south slope aspect, whereas the correlation only reached a significant level (p < 0.05) at the east slope aspect and west slope aspect; indicating that there is a trade-off between the root fractal dimension and fractal abundance. In addition, when the slope aspect changed from north to east, west and south, the standardized major axis (SMA) slope of the regression equation in the scaling relationships between root fractal dimension and fractal abundance increased (p < 0.05), indicating that the roots of M. przewalskyi at the droughty southern slope have less branch and more sparse in the same soil volume of root exploitation and utilization. Consequently, the resource allocation pattern on reasonable trade-off between root fractal dimension and fractal abundance in different slope aspect of M. przewalskyi, reflects the relationship between the income and the cost of construction of plant root architecture.
SONG Qing-Hua,ZHAO Cheng-Zhang,SHI Yuan-Chun,DU Jing,WANG Ji-Wei,CHEN Jing . Fractal root system of Melica przewalskyi along different aspect in degraded grassland[J]. Chinese Journal of Plant Ecology, 2015 , 39(8) : 816 -824 . DOI: 10.17521/cjpe.2015.0078
| 1 | Bennie J, Huntley B, Wiltshire A, Hill MO, Baxter R (2008). Slope, aspect and climate: Spatially explicit and implicit models of topographic microclimate in chalk grassland.Ecological Modelling, 216, 47-59. |
| 2 | Bingham IJ, Wu LH (2011). Simulation of wheat growth using the 3D root architecture model SPACSYS: Validation and sensitivity analysis.European Journal of Agronomy, 34, 181-189. |
| 3 | Chang XL, Lü SH, Feng ZY, Ye SX (2015). Impact of topography on the spatial distribution pattern of net primary productivity in a meadow.Acta Ecologica Sinica, 35, 3339-3348.(in Chinese with English abstract) |
| 3 | [常学礼, 吕世海, 冯朝阳, 叶生星 (2015). 地形对草甸草原植被生产力分布格局的影响. 生态学报, 35, 3339-3348.] |
| 4 | Chen JH, Yu XX, You XL, Liu P, Zhang CD, Xie G (2006). Fractal characteristics of Tilia tomentosa’s root system under different water conditions.Science of Soil and Water Conservation, 4(2), 71-74.(in Chinese with English abstract) |
| 4 | [陈吉虎, 余新晓, 有祥亮, 刘苹, 张长达, 谢港 (2006). 不同水分条件下银叶椴根系的分形特征. 中国水土保持科学, 4(2), 71-74.] |
| 5 | Chen Y, Xu X, Zhang DR, Wei Y (2006). Correlations between vegetation distribution and topographical factors in the northwest of Longmen Mountain, Sichuan Province.Chinese Journal of Ecology, 25, 1052-1055.(in Chinese with English abstract) |
| 5 | [陈瑶, 胥晓, 张德然, 魏勇 (2006). 四川龙门山西北部植被分布与地形因子的相关性. 生态学杂志, 25, 1052-1055.] |
| 6 | Dang JJ, Zhao CZ, Li Y, Hou ZJ, Dong XG (2014). Variations with slope in stem and leaf traits of Melica przewalskyi in alpine grassland.Chinese Journal of Plant Ecology, 38, 1307-1314.(in Chinese with English abstract) |
| 6 | [党晶晶, 赵成章, 李钰, 侯兆疆, 董小刚 (2014). 高寒草地甘肃臭草茎-叶性状的坡度差异性. 植物生态学报, 38, 1307-1314.] |
| 7 | Dannowski M, Block A (2005). Fractal geometry and root system structures of heterogeneous plant communities.Plant and Soil, 272, 61-76. |
| 8 | Dong M (2011). Ecology of Cloned Plant. Science Press, Beijing. 35-40.(in Chinese) |
| 8 | [董鸣 (2011). 克隆植物生态学. 科学出版社, 北京. 35-40.] |
| 9 | Feng B, Yang PL (2000). Simulation of the root growth by using the image and fractal growth technology.Journal of China Agricultural University, 5(2), 96-99.(in Chinese with English abstract) |
| 9 | [冯斌, 杨培岭 (2000). 植物根系的分形及计算机模拟. 中国农业大学学报, 5(2), 96-99.] |
| 10 | Fitter AH, Stickland TR, Harvey ML, Wilson GW (1991). Architectural analysis of plant root systems 1. Architectural correlates of exploitation efficiency.New Phytologist, 118, 375-382. |
| 11 | Gao FY, Zhao CZ (2012). In the process of grassland degradation the spatial pattern and spatial association of dominant species.Acta Ecologica Sinica, 32, 6661-6669.(in Chinese with English abstract) |
| 11 | [高福元, 赵成章 (2012). 甘肃臭草型退化草地优势种群空间格局及其关联性. 生态学报, 32, 6661-6669.] |
| 12 | Gong X, Brueck H, Giese KM, Zhang L, Sattelmacher B, Lin S (2008). Slope aspect has effects on productivity and species composition of hilly grassland in the Xilin River Basin, Inner Mongolia, China.Journal of Arid Environments, 72, 483-493. |
| 13 | Guo JH, Zeng FJ, Li CJ, Zhang B (2014). Root architecture and ecological adaptation strategies in three shelterbelt plant species in the southern Taklimakan Desert.Chinese Journal of Plant Ecology, 38, 36-44.(in Chinese with English abstract) |
| 13 | [郭京衡, 曾凡江, 李尝君, 张波 (2014). 塔克拉玛干沙漠南缘三种防护林植物根系构型及其生态适应策略. 植物生态学报, 38, 36-44.] |
| 14 | Guswa AJ (2010). Effect of plant uptake strategy on the water- optimal root depth.Water Resources Research, 46, W09601, doi: 10.1029/2010WR009122. |
| 15 | Huang JJ, Jing JL, Cao DC, Zhang N, Li JW, Xia YG, Lü S (2013). Cloning root system distribution and architecture of different forest age Populus euphratica in Ejina Oasis.Acta Ecologica Sinica, 33, 4331-4342.(in Chinese with English abstract) |
| 15 | [黄晶晶, 井家林, 曹德昌, 张楠, 李景文, 夏延国, 吕爽 (2013). 不同林龄胡杨克隆繁殖根系分布特征及其构型. 生态学报, 33, 4331-4342.] |
| 16 | Huang YM, Liu D, An SS (2015). Effects of slope aspect on soil nitrogen and microbial properties in the Chinese Loess region.Catena, 125, 135-145. |
| 17 | Kong XP, Zhang ML, de Smet I, Ding ZJ (2014). Designer crops: Optimal root system architecture for nutrient acquisition.Trends in Biotechnology, 32, 597-598. |
| 18 | Ma XM, Xi L, Xiong SP, Yang J (2006). Dynamic changes of morphological parameters of tobacco root in field.Chinese Journal of Applied Ecology, 17, 373-376.(in Chinese with English abstract) |
| 18 | [马新明, 席磊, 熊淑萍, 杨娟 (2006). 大田期烟草根系构型参数的动态变化. 应用生态学报, 17, 373-376.] |
| 19 | Malamy JE (2005). Intrinsic and environmental response pathways that regulate root system architecture.Plant, Cell & Environment, 28, 67-77. |
| 20 | Oppelt AL, Kurth W, Godbold DL (2001). Topology, scaling relations and Leonardo’s rule in root systems from African tree species.Tree Physiology, 21, 117-128. |
| 21 | Oppelt AL, Kurth W, Godbold DL (2005). Contrasting rooting patterns of some arid-zone fruit tree species from Botswana II. Coarse root distribution.Agroforestry Systems, 64, 13-24. |
| 22 | Plaza-Bonilla D, Álvaro-Fuentes J, Hansen NC, Lampurlanés J, Cantero-Martínez C (2014). Winter cereal root growth and aboveground-belowground biomass ratios as affected by site and tillage system in dryland Mediterranean conditions.Plant and Soil, 374, 925-939. |
| 23 | Quijano-Guerta C, Kirk GJD, Portugal AM, Bartolome VI, McLaren GC (2002). Tolerance of rice germplasm to zinc deficiency.Field Crops Research, 76, 123-130. |
| 24 | Rogers ED, Benfey PN (2015). Regulation of plant root system architecture: Implications for crop advancement.Current Opinion in Biotechnology, 32, 93-98. |
| 25 | Salehi MH, Esfandiarpour I, Sarshogh M (2011). The effect of aspect on soil spatial variability in Central Zagros, Iran.Procedia Environmental Sciences, 7, 293-298. |
| 26 | Sardans J, Peñuelas J, Estiarte M (2008). Changes in soil en- zymes related to C and N cycle and in soil C and N content under prolonged warming and drought in a Mediterranean shrubland.Applied Soil Ecology, 39, 223-235. |
| 27 | Shan LS, Li Y, Dong QL, Geng DM (2012). Ecological adaptation of Reaumuria soongorica root system architecture to arid environment.Journal of Desert Research, 32, 1283-1290.(in Chinese with English abstract) |
| 27 | [单立山, 李毅, 董秋莲, 耿东梅 (2012). 红砂根系构型对干旱的生态适应. 中国沙漠, 32, 1283-1290.] |
| 28 | Shan LS, Li Y, Ren W, Su SP, Dong QL, Geng DM (2013). Root architecture of two desert plants in central Hexi Corridor of Northwest China.Chinese Journal of Applied Ecology, 24, 25-31.(in Chinese with English abstract) |
| 28 | [单立山, 李毅, 任伟, 苏世平, 董秋莲, 耿东梅 (2013). 河西走廊中部两种荒漠植物根系构型特征. 应用生态学报, 24, 25-31.] |
| 29 | Shi LL, Zhao CZ, Fan JP, Zhang J, Zhang JX (2013). Spatial patterns of soil moisture and vegetation coverage in Melica przewalskyi patches in degraded alpine grassland of Qilian Mountains, Northwest China.Chinese Journal of Ecology, 32, 285-291.(in Chinese with English abstract) |
| 29 | [史丽丽, 赵成章, 樊洁平, 张静, 张军霞 (2013). 祁连山地甘肃臭草斑块土壤水分与植被盖度空间格局. 生态学杂志, 32, 285-291.] |
| 30 | Szoboszlay M, Lambers J, Chappell J, Kupper JV, Moe LA, McNear Jr DH (2015). Comparison of root system architecture and rhizosphere microbial communities of Balsas teosinte and domesticated corn cultivars.Soil Biology & Biochemistry, 80, 34-44. |
| 31 | Tang GA, Li FY, Liu XJ (2010). Tutorial of Digital Elevation Model. 2nd edn. Science Press, Beijing. 149.(in Chinese) |
| 31 | [汤国安, 李发源, 刘学军 (2010). 数字高程模型教程 (第二版). 科学出版社, 北京. 149.] |
| 32 | Villordon AQ, Ginzberg I, Firon N (2014). Root architecture and root and tuber crop productivity.Trends in Plant Science, 19, 419-425. |
| 33 | Walk TC, van Erp E, Lynch JP (2004). Modelling applicability of fractal analysis to efficiency of soil exploration by roots.Annals of Botany, 94, 119-128. |
| 34 | Wang H, Jin JY, Yamauchi A (2008). Fractal analysis of root system architecture by box-counting method and its relationship with Zn accumulation in rice (Oryza sativa L.).Acta Agronomica Sinica, 34, 1637-1643.(in Chinese with English abstract) |
| 34 | [汪洪, 金继运, 山内章 (2008). 以盒维数法分形分析水稻根系形态特征及初探其与锌吸收积累的关系. 作物学报, 34, 1637-1643.] |
| 35 | Wang YQ, Zhang HJ, Bai KZ, Sun YR (1999). Application of fractal geometry in the studies of plant root systems.Nature Magazine, 21, 143-146.(in Chinese with English abstract) |
| 35 | [王义琴, 张慧娟, 白克智, 孙勇如 (1999). 分形几何在植物根系研究中的应用. 自然杂志, 21, 143-146.] |
| 36 | Yang Q, Zhao CZ, Shi LL, Dang JJ, Zha GD (2014). Spatial autocorrelation analysis on soil moisture of Melica przewalskyi patch in a degraded alpine grassland of Qilian Mountains, Northwest China.Chinese Journal of Ecology, 33, 716-722.(in Chinese with English abstract) |
| 36 | [杨泉, 赵成章, 史丽丽, 党晶晶, 查高德 (2014). 祁连山地甘肃臭草斑块土壤水分的空间自相关分析. 生态学杂志, 33, 716-722.] |
| 37 | Yang XL, Zhang XM, Li YL, Li SC, Sun HL (2008). Analysis of root architecture and root adaptive in the Taklimakan desert area of China. Journal of Plant Ecology (Chinese Version), 32, 1268-1276.(in Chinese with English abstract) |
| 37 | [杨小林, 张希明, 李义玲, 李绍才, 孙海龙 (2008). 塔克拉玛干沙漠腹地3种植物根系构型及其生境适应策略. 植物生态学报, 32, 1268-1276.] |
| 38 | Yang XL, Zhang XM, Li YL, Xie TT, Wang WH (2009). Root fractal characteristics at the hinterland of Taklimakan Desert.Arid Land Geography, 32, 249-254.(in Chinese with English abstract) |
| 38 | [杨小林, 张希明, 李义玲, 解婷婷, 王伟华 (2009). 塔克拉玛干沙漠腹地几种植物根系分形特征. 干旱区地理, 32, 249-254.] |
| 39 | Yin XQ (2004). Biogeography. Higher Education Press, Beijing. 26-28.(in Chinese) |
| 39 | [殷秀琴 (2004). 生物地理学. 高等教育出版社, 北京. 26-28.] |
| 40 | Zhang XQ, Wu KH, Murach D (2000). A review of methods for fine-root production and turnover of trees.Acta Ecologica Sinica, 20, 875-883.(in Chinese with English abstract) |
| 40 | [张小全, 吴可红, Murach D (2000). 树木细根生产与周转研究方法评述. 生态学报, 20, 875-883.] |
| 41 | Zhao CZ, Gao FY, Shi FX, Ren H, Sheng YP (2011). Melica przewalskyi population spatial pattern and response to soil moisture in degraded alpine grassland.Acta Ecologica Sinica, 31, 6688-6695.(in Chinese with English abstract) |
| 41 | [赵成章, 高福元, 石福习, 任珩, 盛亚萍 (2011). 高寒退化草地甘肃臭草种群分布格局及其对土壤水分的响应. 生态学报, 31, 6688-6695.] |
| 42 | Zhao CZ, Long RJ (2008). Rehabilitation process of degraded Melica przewalskyi grassland in the upper reaches of Shiyang River.Journal of Mountain Science, 26, 286-292.(in Chinese with English abstract) |
| 42 | [赵成章, 龙瑞军 (2008). 石羊河上游甘肃臭草型退化草地植被恢复过程. 山地学报, 26, 286-292.] |
| 43 | Zhou YS, Wang LQ (2011). Ecological adaptation of root architecture to grassland degradation in Potentilla acaulis.Chinese Journal of Plant Ecology, 35, 490-499.(in Chinese with English abstract) |
| 43 | [周艳松, 王立群 (2011). 星毛委陵菜根系构型对草原退化的生态适应. 植物生态学报, 35, 490-499.] |
/
| 〈 |
|
〉 |
