Effects of land use type and slope position on soil physical properties in loess tableland area.;
黄土塬区不同地形部位和土地利用方式对土壤物理性质的影响
Effects of different land use types on soil nutrients in karst region of Northwest Guangxi;
桂西北喀斯特移民区土地利用方式对土壤养分的影响
Effects of land use types on soil fertility in small watershed in the Three Gorges Reservoir;
三峡库区小流域土地利用方式对土壤肥力的影响
Effects of different land use on physicochemical property and fertility of urban soil——A case study of Baoding city;
不同土地利用方式对城市土壤理化性质及其肥力的影响——以保定市为例
Influence of different land use on urban soil active organic carbon:A case study of Kaifeng city;
不同土地利用方式对城市土壤活性有机碳的影响——以开封市为例
Phosphorus exports via overland runoff under different land uses and their seasonal pattern;
不同土地利用方式下的地表径流磷输出及其季节性分布特征
Analysis of soil organic matter and nitrogen under different land use types;
不同土地利用方式对土壤有机质和氮含量的影响研究
Changes in soil organic carbon under different land use types in slope land in gully region of Loess Plateau;
黄土高原沟壑区梁坡地土壤有机碳质量分数与土地利用方式的响应
Topsoil(0~15 cm)properties of seven typical land use types(secondary forest-lands,economic forest-lands,Chinese Fir plantations lands,nursery garden-lands,slope farm lands,deforested-lands and abandoned lands)were studied in the hilly area of central Hunan Province.
对湘中丘陵区7种典型土地利用方式(次生林、经济林、杉木人工林、苗圃地、坡耕地、采伐迹地、弃耕地)的表层(0~15cm)土壤性状进行比较分析,筛选出土壤密度、pH值、有机碳、全氮、全磷、全钾、碱解氮、有效磷、速效钾含量作为土壤质量评价指标,运用土壤质量综合指数和土壤退化指数评价不同土地利用方式的土壤质量水平及退化程度。
Research on Land Use Pattern Diversity of Different Soil Types in Chongqing Karst Area;
重庆岩溶地区不同土壤类型的土地利用多样性分析
A Research on the Relationship between the Diversification of Households' Livelihood and the Land Sustainable Use
农户生计多样性与土地可持续利用关系研究
Changes in how the land is used are probably the principal contributor to the current decline in biodiversity.
土地利用方式的变化,可能是目前生物多样性下降的主要原因。
Study on Ruderal Community Diversity and Distribution under Different Land Use Type in Suburban of Shanghai
上海郊区不同土地利用类型自然草本群落多样性及其分布研究
Spatial Scale Analysis of the Diversities of Landuse Landscape--Taking a Square Experimental Area of Shicheng Town as a Study Case
土地利用景观多样性的空间尺度分析——以狮城镇正方形实验区为例
The Effects of Agricultural Land Use on Biodiversity and Change of Soil Organic Carbon in North China Plain;
华北平原农业土地利用对生物多样性和土壤有机碳变化的影响研究
An over-exploitation of the soil for agricultural gain can have long term, negative impacts on the biodiversity of the region.
为了农业利益过分利用土壤,会对这个地区生物多样性产生长期的负面影响。
Soil Microbial Diversity under Different Agricultural Utilizations in Shizishan, Wuhan;
不同农业利用下武汉狮子山土壤微生物多样性
Plants Diversity of Different Landusing Patterns at Different Landforms in Semi-arid Mountain Region on Loess Plateau;
黄土高原半干旱区山地不同地形不同利用方式植物群落多样性研究
Diversity of Seed Bank of Artificial and Natural Fresh Water Wetland Soils and the Variation with Fertilization and Cultivation;
人工和自然淡水湿地土壤种子库的多样性及人类施肥和利用下的变化
Changes of Land-use/land-cover of the Area of Parashorea Distribution and Species Diversity of Parashorea Forest in the Past 20 Years in Xishuangbanna, SW China;
西双版纳望天树林分布区土地利用/覆被及物种多样性近二十年变化
A Study on Genetic Diversity of Different Geographic Provenances of Larix Gmelinii(Rupr.) Rupr and Its Utilization;
兴安落叶松地理种源遗传多样性与利用研究
Biodiversity and Sustainable Utilization of Wetlands in Yellow River Delta;
黄河三角洲湿地生物多样性与可持续利用
The Study of Soil Microbial Diversity of Different Cropping Years in Establishment by Rapd Technology;
利用RAPD技术研究设施不同种植年限土壤微生物多样性
Acquisition and Application of Multi-Source Landuse Geo-Knowledge;
多源土地利用地学知识的获取与应用
Study on the Geodiversity Protection and Harmonious Use in the Process of Geopark Construction;
地质公园建设中地质多样性保护与协调性利用研究
A Preliminary Analysis on Land-use Change in NECT during 1984 - 1996;
NECT样带1984~1996土地利用变化分析
Study on the Biodiversity of Soil Microorganism in Eucalyptus Grandis Plantation;
巨桉人工林地土壤微生物多样性研究
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号