semiarid相关论文
SPREAD OF AN INVASIVE SHRUB FROM MEXICO INTO NEW MEXICO GRASSLAND BY USING REACTION DIFFUSION COMPET
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Temporal and phenological profiles of open and dense Caatinga using remote sensing:response to preci
Caatinga is a typical biome of Brazil's semiarid regions and subject to climate changes.Research is needed on the re......
Temporal and phenological profiles of open and dense Caatinga using remote sensing: response to prec
Caatinga is a typical biome of Brazil's semiarid regions and subject to climate changes. Research is needed on the relat......
Diurnal and seasonal dynamics of soil respiration in a Platycladus orientalis forest stand on the se
Forest ecosystems on China's Loess Plateau are receiving increasing attention because of their special importance in car......
By the 1930's vast areas of the western US were severely degraded by overgrazing and erosion.In response,Congress author......
Comparison of CO2 Effluxes and Their Driving Factors Between Two Temperate Steppes in Inner Mongolia
本文通过对荣华二采区10...
The Interannual Variability of Summer Rainfall in the Arid and Semiarid Regions of Northern China an
本文通过对荣华二采区10...
Comparison of CO2 Effluxes and Their Driving Factors Between Two Temperate Steppes in Inner Mongolia
Soil respiration is a key component of the global terrestrial ecosystem carbon cycle. The static opaque chamber method w......
Response of photosynthesis,morphology and growth of Hedysarum mongolicum seedlings to simulated prec
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The irrigating warped soils occur in the old irrigation areas of arid and semi-arid re-gions of China, and distributed f......
根据矿区土地复垦方案设计与规划的方法与技术,在研究半干旱矿区独特的自然地理条件的前提下,根据相关生态修复原理和方针,提出适......
<正>Soil respiration is a key component of the global terrestrial ecosystem carbon cycle. The static opaque chamber meth......
本文以凉城县岱海西岸平原地区为例，运用生态位理论，探讨了景观不同斑块的土壤生态位。斑块的类型不同，其对应的土壤类型也不同。一定......
The Loess Plateau, covered with thick loess, lies in the middle reaches of the YellowRiver to the west of the Taihangsha......
The arid and semiarid land in China covers a vast area, about 3.5 million km~2(not coun-ting the Tibet Plateau),where na......
REMOTE SENEING APPLICATION IN COUNTY-LEVEL LAND CLASSIFICATION AND LAND EVALUATION IN ARID AND SEMI-
1. Backgrounds Land classification and evaluation are necessary foundments for county-level deci-sions of land use plann......
REGULATING THE INDUSTRIAL STRUCTURE IS AN PRINCIPAL APPROACH TO THE ENVIONMENT ADMINISTRATION IN ARI
1. The crux of the environment administration problem is theeconomic development As we Know that the evolution of enviro......
The objectives of this study were to assess the impact of soil erosion on the physicaland chemical characteristics and t......
以往对半干旱地区农业问题的认识带有明显的缺陷，应该从一种新的角度重新加以观察和认识。研究表明，以社会学的观点和方法来研究农业......
采用Li-6400便携式光合测定系统测定了黑龙江省西部半干旱区18个主要造林树种（盆栽模拟试验）主要光合参数、水分利用效率（WUE）及羧化效......
对黑龙江省西部半干旱风沙区生态经济型防护林模式进行了试验构建与筛选，结果表明：樟子松、红皮云杉单行及双行林带配置经济树种模式......
分别采用诱木法、改善林况及林禽混养等生物措施针对天牛、杨干象等病虫害进行了维持防护林健康技术试验。结果表明：采用易感天牛的......
根据半干旱低山丘陵地区的地理条件和水资源特点，以低压管灌和二次加压喷灌等工程节水技术为依托，配合农业节水措施和管理节水措施，对......
为探索半干旱沙化荒漠地区牧草生态系统重建与保持技术，在甘肃省张掖典型沙化撂荒地，采用固沙保土有机肥与草原3号杂花苜蓿相结合的......
通过田间试验的方法得出半干旱地区在供试土壤条件下土壤有效养分在0～20cm时氮、磷肥都呈现出高低的不稳定性,在20～40cm时氮、磷肥的......
半干旱黄土区不同土地利用的土壤水分效应是农业生产、植被恢复和土地合理利用的重要依据。通过对孙家岔流域不同土地利用格局实测......
通过多年柽柳沙地造林试验，选择多雨年份突击造林，对造林的成功具重要意义。柽柳栽植后立即平茬复壮，可提高成活率，沙丘背风坡是柽柳生......
Most Eritrean farmers do not adopt soil conservation measures and till even sloppy fields 2 - 4 times for planting sorgh......
Climate change is a global challenge to both sustainable livelihoods and economic development. In Tanzania as in most Af......
The objectives of this study were to evaluate the performance of the FAO Penman Monteith reference evapotranspiration mo......
This work diagnosed the precipitation extremes over the Brazilian Northeast (NEB) based on logistic regression for obtai......
A study was conducted to examine the effects of different temperatures and water stress on Encholirium spectabile seeds.......
The effects of fertilization on crambe are poorly understood;in this sense, this study aimed to evaluate the crambe grow......
The effects of fertilization on crambe are poorly understood;in this sense, this study aimed to evaluate the crambe grow......
Xerophyticplants are well adapted to the semiarid conditions because they have a high potential for the use of rainwater......
Assessing the Crop Growing Period According to the Climate Change Forecasts for Marina Baixa (SE Spa
The present work aims to assess the likely effects of climate change on the length of growing period (LGP) of crops in M......
This paper examines the variability of rainfall and temperature in Igunga and Kishapu Districts using time series data (......
通过对有关生态因子的空间距离变化规律的测定和引入相应的生态效应系数综合分析,得到在半干旱生态条件下植物个体的综合生态效应......
The authors present a case study investigating the impacts of dust aerosols on surface atmospheric variables and energy ......
中纬度干旱半干旱草原是我国的主要地表类型之一,正在面临着严重的荒漠化问题。选择浑善达克沙地东部为研究地区,利用LandsatTM和E......
Landscapes of the mountainous regions in northwestern China comprise a unique pattern of vegetation,consisting of a mosa......
Cotton irrigation in the Texas High Plains (THP) is often dictated by the well capacity and not by the water needs of th......
Climate warming increases the variability in runoff of semiarid mountains where seasonally-frozen ground is widely distr......
Dustfall collections were carried out in April and May 2001 and in March 2002 at six sites in northern China.Our results......
