نتایج جستجو برای: arid and semi arid region

تعداد نتایج: 16910582  

Journal: Desert 2017

The most important impacts of climate change relate to temperature and precipitation. Precipitation is particularly important, because changes in precipitation patterns may lead to floods or droughts in different areas. Also, precipitation is a major factor in agriculture and in recent years interest has increased in learning about precipitation variability for periods of months to annual and s...

2014
Sook-Young Park Jaeyoung Choi Gir-Won Lee Chan-Ho Park Jung A Kim Soon-Ok Oh Yong-Hwan Lee Jae-Seoun Hur

Lichen Endocarpon pusillum is a highly desiccation-tolerant and dominant species in biological soil crusts in arid and semi-arid regions. We report the draft genome sequence of a lichen-forming fungus, E. pusillum strain KoLRILF000583. The draft genome assembly has a size of 37,173,200 bp with a GC content of 49.71%, consisting of 40 scaffolds.

2013
Dirk Eilander Lorenzo Iannini

A new ‘growing’ maximum likelihood classification algorithm for small reservoir delineation has been developed and is tested with Radarsat-2 data for reservoirs in the semi-arid Upper East Region, Ghana. The delineation algorithm is able to find the land-water boundary from SAR imagery for different weather and environmental conditions. As such, the algorithm allows for remote sensed operationa...

2016
Yao Zhang Xiangming Xiao Luis Guanter Sha Zhou Philippe Ciais Joanna Joiner Stephen Sitch Xiaocui Wu Julia Nabel Jinwei Dong Etsushi Kato Atul K. Jain Andy Wiltshire Benjamin D. Stocker

Carbon uptake by terrestrial ecosystems is increasing along with the rising of atmospheric CO2 concentration. Embedded in this trend, recent studies suggested that the interannual variability (IAV) of global carbon fluxes may be dominated by semi-arid ecosystems, but the underlying mechanisms of this high variability in these specific regions are not well known. Here we derive an ensemble of gr...

2011
Brijesh Kumar Yadav S. Majid Hassanizadeh

Contamination of soil and water due to the release of light non-aqueous phase liquids (LNAPLs) is a ubiquitous problem. The problem is more severe in arid and semi-arid coastal regions where most of the petroleum production and related refinery industries are located. Biological treatment of these organic contaminated resources is receiving increasing interests and where applicable, can serve a...

Journal: :کشاورزی (منتشر نمی شود) 0
حمیده نوری دکترای مهندسی آب، گروه مهندسی آبیاری و زهکشی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، تهران عبدالمجید لیاقت دانشیار، گروه مهندسی آب، گروه مهندسی آبیاری و زهکشی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، تهران

a field study was conducted to evaluate the possibility of using water table control techniques in the semi arid region of iran with special attention to its salinity management. the wtm consisted of three subirrigation treatments with water table controls set at 0.3, 0.5 and 0.7 m from the soil surface and a free drainage (fd) treatment. the electrical conductivity (ec) of water was 1.5 ds/m. ...

Journal: Desert 2013
A. Mataji M. Bihamta M. Jafari M. Mousaei Sanjerehei N. Baghestani Meybodi

The purpose of this study was to evaluate the species-environment relationships in arid and semi-arid rangelandsof Nodushan, Yazd. The plant species cover and the environmental variables were measured at 9 sites. Soil sampleswere taken for measurement of 12 attributes in 0-10 cm and 10-80 cm layers. Vegetation was classified using twowayindicator species analysis (TWINSPAN). Data was analyzed u...

Journal: :Japanese Journal of Human Geography 1954

Journal: :The Journal of biological chemistry 2004
Suhkmann Kim Ziming Zhang Sean Upchurch Nancy Isern Yuan Chen

ARID (AT-rich interaction domain) is a homologous family of DNA-binding domains that occur in DNA-binding proteins from a wide variety of species, ranging from yeast to nematodes, insects, mammals, and plants. SWI1, a member of the SWI/SNF protein complex that is involved in chromatin remodeling during transcription, contains the ARID motif. The ARID domain of human SWI1 (also known as p270) do...

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