In order to ascertain the distribution rules of the Horqin sand soil with Ulmus pumila open forest after Grain for Green,this paper uses geostatistical methods to analyze the correlation,spatial variability and distribution of soil properties in Wusitu natural reserve area of eastern Horqin with Ulmus pumila open forest. The results show the spatial variability of soil pH is weak,but the soil total nitrogen,the soil organism,soil available N and available P have a medium spatial variability. If using the theoretical model of the GS+ and software automatically fitted variation function,the soil pH is spherical model,the soil total nitrogen and organism are linear model,the soil available N is exponential model,and the soil available P is Gaussian model. The soil total nitrogen and organism demonstrate a pure nugget effect with a constant spatial variability at a small scale. The pure nugget effect is only influenced by the stochastic factors not by the structural factors,and it has little obvious variation rules. However,the ratio of the soil pH,the soil available N and the soil available P is less than 25% with a strong spatial relevance. The random part caused little spatial variability. Only except the available nitrogen,the other four soil properties are uniform in spatial distribution. Therefore,it can infer the available nitrogen may be the critical element of the ecological restoration here. After the human’s destruction for a long time in history,the restoration of land vegetation and soil nutrient are not synchronous. The latter is slower than the former. So the recovery of Ulmus pumila open forest grassy ecosystem requires a long-time closing hillside to facilitate afforestation.
SHI Yu-fei
,
JIN Yong-huan
,
JIN Lan-shu
,
SONG Zhu-fu
. Study on the Soil Spatial Variability of Ulmus pumila Open Forest in Horqin Sandy Land[J]. Arid Zone Research, 2015
, 32(5)
: 897
-902
.
DOI: 10.13866/j.azr.2015.05.10
〔1〕 李胜功,赵爱芬, 常学礼.科尔沁沙地植被演替的几个问题〔J〕.中国沙漠,1997,17(增刊1):25-32.〔Li Shenggong,Zhao Aifen,Chang Xueli.Several problems about vegetation succession of Horqin sandyland〔J〕.Journal of Desert Research,1997,17(Suppl.1):25-32.〕
〔2〕 杨利民,周广胜,王国宏,等.人类活动对榆树疏林土壤环境和植物多样性的影响〔J〕.应用生态学报,2003,14(3):321-325.〔Yang Limin,Zhou Guangsheng,Wang Guohong,et al.Effect of human activities on soil environment and plant species diversity of elm sparse woods〔J〕.Chinese Journal Applied Ecology,2003,14(3):321-325.〕
〔3〕 李钢铁,姚云峰,张德英.科尔沁沙地疏林草原植被恢复技术体系〔J〕.内蒙古农业大学学报,2005,26(3):1-6.〔Li Gangtie,Yao Yunfeng,Zhang Deying.Technique system on restoration of woodland steppe in Kerqin sandy land〔J〕.Journal of Inner Mongolia Agricultural University,2005,26(3):1-6.〕
〔4〕 陈伏生,曾德慧.科尔沁沙地退化草场土壤养分的空间结构分析〔J〕.草业学报,2004,13(1):39-44.〔Chen Fusheng,Zeng Dehui.Spatial structure analysis of degraded grassland soil nutrient in Horqin Sandy Land〔J〕.Acta Prataculturae Sinica,2004,13(1):39-44.〕
〔5〕 蒋德明,曹成有,李雪华,等.科尔沁沙地植被恢复及其对土壤的改良效应〔J〕.生态环境,2008,17(3):1 135-1 139.〔Jiang Deming,Cao Chengyou,Li Xuehua,et al.Vegetation restoration and its effects on soil improvement in Horqin sandy land〔J〕.Ecology and Environment,2008,17(3):1 135-1 139.〕
〔6〕 孙英君,王劲峰,柏延臣.地统计学方法进展研究〔J〕.地球科学进展,2004,19(2):268-274.〔Sun Yingjun,Wang Jinfeng,Bai Yanchen.Research progress of geostatistics method〔J〕.Advances in Earth Science,2004,19(2):268-274.〕
〔7〕 李钢铁,姚云峰,邹受益,等.科尔沁沙地榆树疏林草原及其封育更新研究〔J〕.干旱区资源与环境,2004,18(4):153-155.〔Li Gangtie,Yao Yunfeng,Zou Shouyi,et al.Research of elm wo-odland steppe and fencing update in Horqin sandy land〔J〕.Journal of Arid Land Resources and Environment,2004,18(4):153-155.〕
〔8〕 李钢铁,姚云峰,邹受益,等.科尔沁沙地榆树疏林草原植被研究〔J〕.干旱区资源与环境,2004,18(6):132-138.〔Li Gangtie,Yao Yunfeng,Zou Shouyi,et al.Research of vegetation in Horqin sandy land〔J〕.Journal of Arid Land Resources and Environment,2004,18(6):132-138.〕
〔9〕 刘建,朱选伟,于飞海,等.浑善达克沙地榆树疏林生态系统的空间异质性〔J〕.环境科学,2003,24(4):29-34.〔Liu Jian,Zhu Xuanwei,Yu Feihai,et al.Spatial heterogeneity of elm sparse forest ecosystem in Hunshandake sandy land〔J〕.Environmental Sciences,2003,24(4):29-34.〕
〔10〕 Cambardella C A,Moorman T B,Novak J M,et al.Field-scale variability of soil properties in central low a soils〔J〕.Soil Science Society of America Journal,1994,58:1 501-1 511.
〔11〕 胡克林,李保国,林启美,等.农田土壤养分的空间变异特征〔J〕.农田工程学报,1999,15(3):33-38.〔Hu Kelin,Li Baoguo,Lin Qimei,et al.Spatial variation of soil nutrients in farmland〔J〕.Journal of Agricultural Engineering,1999,15(3):33-38.〕
〔12〕 王其兵,李凌浩,刘先华,等.内蒙古锡林河流域草原土壤有机碳及氮素的空间异质性分析〔J〕.植物生态学报,1998,22(5):409-414.〔Wang Qibing,Li Linghao,Liu Xianhua,et al.Spatial heterogeneity analysis of soil organic carbon and nitrogen in the Xilin River basin grassland in Inner Mongolia〔J〕.Journal of Plant Ecology,1998,22(5):409-414.〕
〔13〕 马媛,龚新梅,塔西甫拉提·特依拜,等.干旱区典型流域土壤肥力空间变异特征〔J〕.生态学杂志,2006,25(10):1 208-1 213.〔Ma Yuan,Gong Xinmei,Taxipulati Tiyibai,et al.Spatial variation of soil fertility in arid region basin〔J〕.Chinese Journal of Ecology,2006,25(10):1 208-1 213.〕
