EurekaMag
+ Translate
+ Most Popular
Gaucher's disease;thirty-two years experience at Siriraj Hospital
A study of Macrobathra Meyrick from China (Lepidoptera, Cosmopterigidae)
First occurrence in ores of tetragonal chalcocite
Effects of trace element nutrition on sleep patterns in adult women
N.Z. range management guidelines. 2. Design of grazing management systems for tussock country
A case of lipoma of the esophagus
A revision of world Acanthosomatidae (Heteroptera: Pentatomidae): keys to and descriptions of subfamilies, tribes and genera, with designation of types
Life history of the coronate scyphozoan Linuche unguiculata (Swartz, 1788)
Perceptual restoration of obliterated sounds
Mutagenicity studies on two chromium(III) coordination compounds
The formation of the skeleton. I. Growth of a long bone. 1st appearance of a center of calcification
Leucopenia and abnormal liver function in travellers on malaria chemoprophylaxis
The joint commission: four key root causes loom large in sentinel event data
Treatment of vitiligo with topical 15% lactic acid solution in combination with ultra violet-A
Behaviour of dairy cows within three hours after feed supply: I. Influence of housing type and time elapsing after feed supply
Observations of the propagation velocity and formation mechanism of burst fractures caused by gunshot
Management and control of patients with type 2 diabetes mellitus in Lebanon: results from the International Diabetes Management Practices Study (IDMPS)
The diet composition and nutritional knowledge of patients with anorexia nervosa
Physoporella croatica Herak, 1958 of the Slovak karst Anisian (Slovakia, the West Carpathians Mts.)
Bright lights, big noise. How effective are vehicle warning systems?
Ein Plesiosaurier-Rest mit Magensteinen aus mittlerem Lias von Quedlinburg
Incidence of Chlamydia trachomatis in patients with sterility
Monster soup: the microscope and Victorian fantasy
Preliminary tests with residual sprays against poultry lice
Duration of the life of plants in phylogeny

Soil Susceptibility to Macropore Flow Across a Desert-Oasis Ecotone of the Hexi Corridor, Northwest China


Soil Susceptibility to Macropore Flow Across a Desert-Oasis Ecotone of the Hexi Corridor, Northwest China



Water Resources Research 54(2): 1281-1294



ISSN/ISBN: 0043-1397

DOI: 10.1002/2017wr021462

Macropore flow not only provides a fast pathway for water and solute transport and increases the risks of water and nutrient loss but also enhances soil aeration and groundwater recharge. However, macropore flow characteristics in irrigated oasis soils subject to continuous crop cultivation are poorly understood. This study was to investigate the effect of continuous cultivation on soil properties and macropore flow and to quantify the changes in macropore flow characteristics in an old oasis field (>50 years of cultivation, OOF), young oasis field (20 years, YOF), and adjacent uncultivated sandy area (0 year, USL) in Northwest China. Triplicate soil samples were collected from each site to investigate soil properties. Dye tracer experiments with also three replicates were conducted at each site. The degree of macropore flow (i.e., parameters of macropore flow) was highest at the OOF, intermediate at the YOF, and minimal at the USL. The macropore flow fraction (i.e., fraction of total infiltration flows through macropore flow pathways) at the OOF was 3.4 times greater than at the USL. The heterogeneous infiltration pattern at the OOF was dominated by macropore flow, while funnel flow was predominant at the USL. Long-term irrigation with silt-laden river water has increased silt+clay contents of the oasis soils. Irrigation and high-input crop cultivation also increased organic matter. These changes in soil properties contributed to the interaggregate voids formation. The conversion of native desert soils to irrigated croplands increases the degree of macropore flow, which might enhance groundwater recharge in the desert-oasis ecotone.

Please choose payment method:






(PDF emailed within 0-6 h: $19.90)

Accession: 070851580

Download citation: RISBibTeXText

Related references

Soil macropore characteristics following conversion of native desert soils to irrigated croplands in a desert-oasis ecotone, Northwest China. Soil and Tillage Research 168: 176-186, 2017

Spatial Analysis of a Haloxylon Ammodendron Plantation in an Oasis-Desert Ecotone in the Hexi Corridor, Northwestern China. Forests 8(6): 200, 2017

Human settlement and its influencing factors during the historical period in an oasis-desert transition zone of Dunhuang, Hexi Corridor, northwest China. Quaternary International 458: 113-122, 2017

Soil properties and characteristics of soil aggregate in marginal farmlands of oasis in the middle of Hexi Corridor region, northwest China. Agricultural Sciences in China 6(6): 706-714, 2007

Spatial distribution of soil organic carbon and its influencing factors in desert grasslands of the Hexi Corridor, northwest China. Plos one 9(4): E94652, 2014

Response of three dominant shrubs to soil water and groundwater along the oasis-desert ecotone in Northwest China. Russian Journal Of Ecology: 7, 475-482, 2008

Stoichiometry of leaf carbon, nitrogen, and phosphorus along a geographic, climatic, and soil gradients in temperate desert of Hexi Corridor, northwest China. Journal of Plant Ecology 13(1): 114-121, 2020

Soil texture controls vegetation biomass and organic carbon storage in arid desert grassland in the middle of Hexi Corridor region in Northwest China. Soil Research 53(4): 366-376, 2015

Landscape diversity of the meta-ecosystem consisting of mountain, desert and oasis in Hexi corridor, Gansu, China. Acta Prataculturae Sinica 12(4): 100-103, 2003

The constraints and driving forces of oasis development in arid region: a case study of the Hexi Corridor in northwest China. Scientific Reports 10(1): 17708, 2020

Landscape elements of the meta-ecosystem of mountain, desert and oasis and its generation types in Hexi corridor, Gansu, China. Acta Prataculturae Sinica 11(3): 40-47, 2002

Root architecture of two desert plants in central Hexi Corridor of Northwest China. Ying Yong Sheng Tai Xue Bao 24(1): 25-31, 2013

Biomass and nutrient allocation strategies in a desert ecosystem in the Hexi Corridor, northwest China. Journal of Plant Research 130(4): 699-708, 2017

Landscape ecological mechanism on system coupling of the meta-ecosystem consisted of mountain, desert and oasis in Hexi corridor, Gansu, China. Ying Yong Sheng Tai Xue Bao 13(8): 979-984, 2002

Estimating Deep Drainage Using Deep Soil Moisture Data under Young Irrigated Cropland in a Desert-Oasis Ecotone, Northwest China. Vadose Zone Journal 18(1): 180189, 2019