搜索结果: 1-15 共查到“理学 Semi-Arid”相关记录39条 . 查询时间(0.093 秒)
Marker characterization of vernalization and low-temperature tolerance loci in barley genotypes adapted to semi-arid environments
Algerian cultivars growth habit low-temperature MAS VRN-H1 VRN-H2 FR-H2
2016/12/8
For the purpose of marker assisted selection (MAS), six Algerian cultivars and landraces developed locally or introduced from external breeding programs for semi-arid environments were marker characte...
Vertebrate herbivore-induced changes in plants and soils: linkages to ecosystem functioning in a semi-arid steppe
grazing intensity N mineralization plant community soil fauna trophic groups
2015/2/4
Large grazing herbivores have been reported to determine the structure and function of grassland ecosystems. However, the ecological linkages between structure and functioning components have yet been...
Do grazer hair and faeces reflect the carbon isotope composition of semi-arid C3/C4 grassland?
Community composition Grazing pressure Ecosystem reconstruction Pasture Trophic shift Digestibility Selectivity Discrimination Diet Inner Mongolia
2015/2/4
The carbon isotope composition ( d13C) of C3/C4 mixed grassland is reflected in the d13C of diet, hair or faeces of grazers, if 13C discrimination (13 D) between grassland vegetation and these tissues...
Changes in soil organic carbon and nitrogen capacities of Salix cheilophila Schneid along a revegetation chronosequence in semi-arid degraded sandy land of the Gonghe Basin, Tibet Plateau
Republican basin the desert area soil organic carbon
2015/1/6
The Gonghe Basin is a sandified and desertified region of China, but the distribution of soil organic carbon (SOC) and total nitrogen (TN) along the cultivation chronosequence across this ecologically...
Tank rehabilitation index for prioritization of lakes in semi arid regions - Geospatial approach
Tanks rehabilitation prioritization
2014/11/24
Numerous tanks were constructed and used for irrigation purposes in southern India. With the
advent of canal and ground water system of irrigation, they were neglected and found to be in
non-usabl...
Seasonal Variation and Sources of Polycyclic Aromatic Hydrocarbons (PAHs) in Indoor and Outdoor Air in a Semi Arid Tract of Northern India
Indoor and outdoor air Gas/Particulate PAHs Seasonality Toxic assessment Source apportionment
2016/3/25
PAHs concentration in particulate and gas phase was investigated in indoor and outdoor air of urban residential and
roadside homes in a semiarid region of India. Samples were collected during winter ...
Impact of Nitrogen Oxides, Volatile Organic Compounds and Black Carbon on Atmospheric Ozone Levels at a Semi Arid Urban Site in Hyderabad
Trace gas Ozone Volatile organic compounds Black carbon Meteorology and oxides of nitrogen.
2016/3/25
The surface level ozone (O3), nitrogen oxides (NOx = NO2 + NO), volatile organic compounds (VOCs), black carbon (BC)
and meteorological parameters were continuously monitored for the period of one ye...
Evapotranspiration Retrieval in Arid and Semi-Arid Areas
Arid Areas Evapotranspiration MODIS Remote Sensing Xinjiang
2011/12/20
A typical arid area in China is the province of Xinjiang. The objective of this paper is to present a description of a method based on the energy balance and evaporative fraction, which is obtained by...
Landscape Analysis of Typical Yao-Dong Villages on Gentle Gully Slope in Semi-Arid Loess Plateau - Case Study of Shi-Jia-Gou Village in Fen-Xi County Shan-Xi Province
Chinese Traditional Inhabitation Culture Ecological Yao-Dong Villages’ Scenes Landscape Design Principles
2011/12/20
The climate of most loess plateau gully area is continental monsoon climate. It is hot , dry, sometimes rain-storm in summer, and cold, windy, occasionally snow in winter. The summer and the winter ar...
Quantifying the impact of groundwater depth on evapotranspiration in a semi-arid grassland region
groundwater depth evapotranspiration semi-arid grassland
2011/3/15
Interactions between shallow groundwater and land surface processes play an important role in the ecohydrology of riparian zones. Some recent land surface models (LSMs) incorporate groundwater-land su...
Rainfall Variability and Its Impact on Normalized Difference Vegetation Index in Arid and Semi-Arid Lands of Kenya
Semi-Arid NDVI Time Series Southeast Kenya
2013/3/6
Agriculture in arid and semi-arid lands of Kenya is depends on seasonal characteristics of rainfall. This study seeks to distinguish components of regional climate variability, especially El Niño...
The effects of clouds and aerosols on net ecosystem CO2 exchange over semi-arid Loess Plateau of Northwest China
clouds and aerosols net ecosystem CO2 exchange semi-arid Loess Plateau of Northwest China
2010/9/14
The impacts of clouds and atmospheric aerosols on the terrestrial carbon cycle at semi-arid Loess Plateau in Northwest China are investigated, by using the observation data obtained at the SACOL (Semi...
Dust aerosol effect on semi-arid climate over Northwest China detected from A-Train satellite measurements
Dust aerosol effect semi-arid climate Northwest China A-Train satellite measurements
2010/8/16
The impact of dust aerosols on the semi-arid climate of Northwest China is analyzed by comparing aerosol and cloud properties derived over the China semi-arid region (hereafter, CSR) and the United St...
Relating surface backscatter response from TRMM precipitation radar to soil moisture:results over a semi-arid region
surface backscatter response TRMM precipitation radar soil moisture
2010/2/20
The Tropical Rainfall Measuring Mission (TRMM) carries aboard the Precipitation Radar (TRMMPR) that measures the backscatter (σ°) of the surface. σ° is sensitive to surface soil moisture and vegetatio...
Relating surface backscatter response from TRMM precipitation radar to soil moisture:results over a semi-arid region
surface backscatter response TRMM precipitation radar soil moisture semi-arid region
2010/3/5
The Tropical Rainfall Measuring Mission (TRMM) carries aboard the Precipitation Radar (TRMMPR) that measures the backscatter (σ°) of the surface. σ° is sensitive to surface soil moisture and vegetatio...