نتایج جستجو برای: arid environment condition

تعداد نتایج: 833368  

2015

The Garole is the only known prolific sheep breed in India and is a native of Sunderban, the swampy delta region of West Bengal [1]. Malpura is a popular mutton-type breed of semi-arid tropical region of India. These sheep are known for their hardiness and adaptability to the local environment but prolificacy is low with ewes usually producing single lambs. Increasing prolificacy of the Malpura...

2017
Pablo Cruz Thierry Winkel Marie-Pierre Ledru Cyril Bernard Nancy Egan Didier Swingedouw Richard Joffre

Archaeological research suggests significant human occupation in the arid Andean highlands during the 13th to 15th centuries, whereas paleoclimatic studies reveal prolonged drier and colder conditions during that period. Which subsistence strategy supported local societies in this harsh environment? Our field and aerial surveys of archaeological dwelling sites, granaries, and croplands provide ...

2017
Bo G Eriksson

New vegetation in barren areas offers possibilities for sequestering carbon in the soil. Arid and semi-arid areas (ASAs) are candidates for new vegetation. The possibility of agriculture in ASAs is reviewed, revealing the potential for cultivation by covering the surface with a layer of organic fibres. This layer collects more water from humidity in the air than does the uncovered mineral surfa...

Journal: :Library Trends 1998
Danny P. Wallace Connie Van Fleet

AMTRACT ' !&a F.I>ITORIAI, PROCFSS FOR JOURNALS in library arid information science has tended to follow quantitative positivist research standards. Qualitative research presents problems of definition, structure, voice, and meaning that can influence the reactions of editors arid referees, who may reject that which they do not adequately understand. Publication of reports of qualitative resear...

Journal: :محیط زیست طبیعی 0
سمیه حدادی نیا کارشناس ارشد محیط زیست، دانشکدۀ منابع طبیعی، دانشگاه تهران، ایران افشین دانه کار دانشیار گروه محیط زیست، دانشکدۀ منابع طبیعی، دانشگاه تهران، ایران کورش عشقی استاد دانشکدۀ صنایع، دانشگاه صنعتی شریف، تهران، ایران علی اصغر درویش صفت استاد دانشکدۀ منابع طبیعی، دانشگاه تهران، تهران، ایران محمد کابلی دانشیار دانشکدۀ منابع طبیعی، دانشگاه تهران، تهران، ایران

tourism as a growing industry needs special attention in developing countries. during last decades, nature based tourism has been growing faster than other tourism fields and it seems to grow even faster. ever growing demand for nature based tourism emphasizes the necessity of a holistic planning for preserving environment against degradation. objective of this study is to present a nature base...

2001
Artur Krukowski Izzet Kale

This paper presents the resirlts of the “Virtual Classroom ’’ project sponsored bJ1 the University of Westminster, Educational Initiative Centre (EIC) for delivering lectures on-line. The ultimate aim was to provide a portable hardware arid easy to use software toolset as well as easy to follow guidelines oti how to propel the lectures from the conventional dull chalk rind talk environment to t...

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