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- Research on soil spatial heterogeneity and pattern of Huangniling red soil watershed. 黄泥岭红壤小流域土壤的空间异质性与格局研究。
- Research on soil spatial heterogeneity based on Locusta migratoria manilensis egg pods spatial pattern in coastal locust areas 基于沿海蝗区飞蝗卵块分布格局的土壤空间异质性
- soil spatial heterogeneity 土壤空间异质性
- That means the spatial heterogeneity of TP was mainly impacted by structures and that of other soil nutrients were impacted by both structures and random factors. 其它土壤养分空间变异在不同的尺度下各有不同,揭示了影响其变化的生态学过程和功能不同。
- Spatial Heterogeneity of Agricultural eco-environment Sensitivity and Counter Measure. 农业生态环境敏感性地域分布及整治对策。
- The spatial heterogeneity of the lithospheric mantle beneath North China may have resulted from the diachronous thinning processes. 华北岩石圈组成的空间不均一性可能与岩石圈减薄过程的时空差异有关。
- Our results indicate that there is a significant spatial heterogeneity of Solidago canadensis areal distribution in the study area. 进口货物总额与农业活动强度是解释加拿大一枝黄花发生面积变异的主要因子;
- It has been a hotspot to use the geostatistics combined with GIS to study the soil spatial variability at present. 利用地统计学,结合GIS技术来研究土壤性质的空间变异,已成为目前土壤学研究的热点之一。
- Sorensen's similarity coefficient for species composition in the seed bank and the seedling bank was 0.667, showing little spatial heterogeneity. 土壤种子库与幼苗库种类组成上的相似性系数为0.;667,表现出较小的异质性。
- Results The spatial heterogeneity of HFRS in Shandong province was divided into five periods and there was a transitional year among the periods. 结果可将山东省HFRS疫源地空间异质性及其动态变化划分成5个阶段,且各阶段存在1个过渡年。
- Landscpae ecology belongs to the macro ecological spatial studies and its theoretical focuses are spatial heterogeneity and ecological holism. 景观生态学属于宏观尺度生态空间研究范畴,理论核心集中表现为空间异质性和生态整体性两方面。
- According to the basic finite element theory in the pile-soil structure,the contact model of single pile-frozen soil spatial system is erected and analyzed statically using ANSYS. 根据桩土结构的有限元基本理论,基于ANSYS有限元软件平台,采用三维接触单元建立单桩桩-冻土空间体系的接触模型进行静力分析。
- The results indicate that the variation function has the objectivity and veracity in opening out the spatial heterogeneity of the system attribute by quantitive methods. 结果表明:变异函数对系统属性的空间异质性的定量揭示具有客观性和准确性。
- Soil spatial variability, as research focus in soil sciences, has caught wide attention, but its quantitative description has been perplexing the penologists all the time. 土壤空间变异作为土壤科学研究中的热点,引起了广泛的关注,但其定量描述一直困扰着土壤学家。
- In the spatial regression analysis, the author finds there are both spatial heterogeneity and autocorrelation existed which makes error violates the assumption of OLS regression. 空间迴归方面,作者针对民进党总统选举获票的增加率进行分析,发展误差的空间自相关现象同时来自于空间异质与邻近效应。
- To develop precision agriculture in China, research needs to focused on database based on GIS, soil spatial variability, data collection of soil characteristics, deciphering of remote sensing information, variable rate technology, etc. 从基于GIS的数据库建设、土壤性状空间变异理论、土壤性状的数据采集、遥感信息解译、农业机械变量控制技术等方面介绍了实现我国精准农业还需研究的问题等。
- Kfs,bulk density,organic matter,sand,clay,exchangeable sodium and ESP showed the spatial correlation characteristic,but CEC had more distinct spatial heterogeneity than other factors. 粉粒属于均匀分布; Kfs、容重、砂粒、黏粒、有机质、交换性钠和ESP等空间结构明显,CEC空间变异性较大;
- Considering the spatial heterogeneity of hydrological parameters inside a large grid,a sub-grid parameterization scheme is adopted to divide the large grid into a couple of hillslope elements. 在建模过程中尽量利用相关的地理信息描述长江上游地区下垫面特点及其空间变化,并采用次网格参数化方法处理大网格内水文参数的非均一性。
- Spatial heterogeneity and forest regeneration 森林更新与空间异质性
- Spatial heterogeneity in ecological systems 生态学系统的空间异质性