نتایج جستجو برای: desert areas

تعداد نتایج: 414951  

Journal: :E3S web of conferences 2021

This article addressed effective agronomic practices used to cultivate promising varieties of desert forage plants suitable for soil-climatic conditions in order improve the condition and increase productivity degraded pastures. The results field research on selection, collection, reproduction seeds perennial plant species with high productivity, resistant drought saline soils desert, restorati...

Gholamali Heshmati Hamid Siroosi Reza Kavandi Habib,

Abstract. From the perspectives of many environmental and conservative policy makers, improving and diversifying the livelihoods have been found as a mechanism to promote the livelihoods and persuade people to avoid the overexploitation and degradation of natural resources. Due to the fragility of the environment and inconsistency of incomes, the alternative income sources may be promised to wa...

2015
Sadia Malik Saeed Ahmad Alia Sadiq Khurshid Alam Hafiz Muhammad Wariss Imtiaz Ahmad Muhammad Qasim Hayat Shazia Anjum Muhammad Mukhtar

BACKGROUND The present study is intended to compare and document the therapeutic flora, their remedial use, and the traditional knowledge used frequently by the residents of the Cholistan desert and Pothwar (Potohar) Plateau of Punjab, Pakistan. The old endemic remedies of these areas are diminishing due to lack of qualitative and quantitative research. METHODS The data was generated by unstr...

Journal: :Journal of morphology 2016
Daniella L Pereira Jacklynn Walters Nigel C Bennett Abdulaziz N Alagaili Osama B Mohammed Sanet H Kotzé

Jaculus jaculus (Lesser Egyptian jerboa) and Paraechinus aethiopicus (Desert hedgehog) are small mammals which thrive in desert conditions and are found, among others, in the Arabian Peninsula. Jaculus jaculus is omnivorous while P. aethiopicus is described as being insectivorous. The study aims to describe the gastrointestinal tract (GIT) morphology of these animals which differ in diet and ph...

2012
M. R. Mustapha H. S. Lim M. Z. MatJafri

Arid environment is a dry landscape or region that received an extremely low amount of precipitation. Arid areas are located where vegetation cover is sparse to almost nonexistent. Almost one third of earth land surface is arid or desert. Over desert areas, a number of land cover patterns can be observed. One example is given here for the Arabian Peninsula. The located area can be found in Fig....

2004
Xiaodong Zeng Samuel S. P. Shen Xubin Zeng Robert E. Dickinson

[1] In semi-arid areas, multiple equilibrium states of an ecosystem (e.g., grassland and desert) are found to coexist, and the transition from grassland to desert is often abrupt at the boundary. A simple ecosystem model is developed to provide the biophysical explanation of this phenomenon. The model has three variables: living biomass, wilted biomass, and soil wetness. The moisture index, whi...

2015
Abdelaaty A Shahat Mansour S Alsaid Soheir E Kotob Hanaa H Ahmed

Anticancer therapy is one of the biggest challenges in medicine. Therefore, searching for highly efficient antitumor drugs remains a hot area of research. Plants and plant-based products are gaining importance against variety of diseases due to their non-toxic and no / less side effects. Hence, we have been continuously working on the identification and characterization of medicinal plants (Kha...

Journal: :Mycologia 2009
D Wrigley de Basanta C Lado A Estrada-Torres S L Stephenson

A new species of Didymium (Myxomycetes), D. infundibuliforme, is described herein, and details are provided on its life cycle as observed in spore to spore culture on agar. The new species was recorded during intensive studies of areas of the Monte Desert in Argentina and the Atacama Desert in Chile. It has been collected directly in the field in both countries on several occasions over 4 y and...

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