نتایج جستجو برای: arid lut desert

تعداد نتایج: 33098  

2015
Ning Tao Jianjiang Zhang Zhixin Song Jinhua Tang Jiwen Liu Paul B. Tchounwou

The purpose of this study was to explore the relationship between job burnout and neuroendocrine indicators in soldiers living in a harsh environment. Three hundred soldiers stationed in the arid desert and 600 in an urban area were recruited. They filled in the Chinese Maslach Burnout Inventory questionnaire. One hundred soldiers were randomly selected from each group to measure their levels o...

Journal: :Integrative and comparative biology 2002
Joseph B Williams B Irene Tieleman

The adaptive significance of mechanisms of energy and water conservation among species of desert rodents, which avoid temperature extremes by remaining within a burrow during the day, is well established. Conventional wisdom holds that arid-zone birds, diurnal organisms that endure the brunt of their environment, occupy these desert climates because of the possession of physiological design fea...

2018
Marco Garrido Herman Silva Nicolás Franck Jorge Arenas Edmundo Acevedo

Citation: Garrido M, Silva H, Franck N, Arenas J and Acevedo E (2018) Evaluation of Morpho-Physiological Traits Adjustment of Prosopis tamarugo Under Long-Term Groundwater Depletion in the Hyper-Arid Atacama Desert. Front. Plant Sci. 9:453. doi: 10.3389/fpls.2018.00453 Evaluation of Morpho-Physiological Traits Adjustment of Prosopis tamarugo Under Long-Term Groundwater Depletion in the Hyper-Ar...

1997
Anson E. Thompson

Relatively little research has been expended on developing plants for use in urban desert landscapes or “xeriscapes.” However, because of reduced availability and increased cost of water, water conservation needs, and concerns for our environment, increased awareness and demand for arid-adapted landscape plants have developed. An especially important need is for groundcover requiring little wat...

Journal: :Journal of vector borne diseases 2008
Keerti Sharma Bennet Angel Himmat Singh Anil Purohit Vinod Joshi

BACKGROUND & OBJECTIVES Rajasthan is one of the dengue endemic states of India. Very few studies have been published on entomological aspects of dengue in this state. Owing to water scarcity, inhabitants in desert areas overstore domestic water which leads to the persistence of dengue vectors within the domestic premises. Area specific knowledge on breeding, key containers and seasonal rhythms ...

Journal: :desert 2008
s.k. alavipanah a. a. shamsipour r. amiri

physical characteristics of different features in desert is a reflection of severe thermal and climatic conditions. in this paper, diurnal surface temperature patterns of important surface features in lut desert were studied and the relationship among different surfaces analyzed. diurnal trend in surface temperature of surface types, marl, dark sand, light sand, salt-affected soil, soul at 10 c...

2008
Steven R. Archer Katharine I. Predick

Arid desert ecosystems of the western United States are particularly susceptible to climate change and climate variability. Plants and animals in this region live near their physiological limits for water and temperature stress. Slight changes in temperature or precipitation regimes or a change in the frequency and magnitude of extreme climatic events could therefore substantially alter the com...

Journal: :journal of agricultural science and technology 2010
s. k. alavi panah r. goossens h. r. matinfar h. mohammadi m. ghadiri

a knowledge of soil surface conditions, especially desert crust, salt crust and desert varnish is useful for improving classification of remotely sensed data. desert crust can generate high levels of reflectance, similar to those areas with high salt concentration and non-saline soil. therefore, soil surface crusts might bias thematic remote sensing of soils. in this study, we evaluated the eff...

Journal: Desert 2007
A. Shamsipour R. Amiri S.K. Alavipanah,

Physical characteristics of different features in desert is a reflection of severe thermal and climatic conditions. In this paper, diurnal surface temperature patterns of important surface features in Lut Desert were studied and the relationship among different surfaces analyzed. Diurnal trend in surface temperature of surface types, marl, dark sand, light sand, salt-affected soil, soul at 10 c...

Journal: :Theoretical population biology 2007
Sonia Kéfi Max Rietkerk Minus van Baalen Michel Loreau

Arid ecosystems are liable to undergo sudden discontinuous transitions from a vegetated to a desert state as a result of human pressure and climate change. A predictive framework about the conditions under which such transitions occur is lacking. Here, we derive and analyze a general model describing the spatial dynamics of vegetation in arid ecosystems considering local facilitation as an esse...

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