Gully Morphology and Rehabilitation Measures in Different Agroecological Environments of Northwestern Ethiopia

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

morphology, geochemistry, mineralogy, and micromorphology of soils of hormozgan province in relation to parent materials

ویژگی های زمین شیمیایی، کانی شناسی، و میکرومورفولوژیکی خاک ها و سنگ مادر مربوطه در منطقه بین بخش های جنوبی زاگرس و خلیج فارس تا دریای عمان(استان هرمزگان، ایران) مورد بررسی قرار گرفت. هدف های این مطالعه شناسایی تغییرات در خصوصیات فیزیکی، شیمیایی، و ترکیب کانی شناسی خاک، مطالعه میکرومورفولوژی و تکامل خاک، و بررسی توزیع عنصر خاک بر اساس هوازدگی، پروسه های خاک و زمین شناسی جهت توصیف اثرات مواد مادر...

15 صفحه اول

an investigation of accuracy and complexity across different proficiency levels in written narrative task

abstract this quasi-experimental study was aimed at examining the impact of storyline complexity on the grammatical accuracy and complexity of advanced and intermediate efl learners. a total of 65 advanced and intermediate efl learners were selected from iran language institute (ili). an intact group including 35 intermediate participants and another intact group with 30 advanced participants ...

Epidemiology of poliomyelitis in northwestern Ethiopia.

OBJECTIVES To determine the magnitude of poliomyelitis and assess its epidemiological features. DESIGN A cross-sectional community based, house-to-house survey. SETTING Six urban and ten rural villages in Gondar Zuria district, north-western Ethiopia. SUBJECTS Twelve thousand children aged 1-15 years residing in the randomly selected areas were enrolled in the study to identify children w...

متن کامل

A review of topographic threshold conditions for gully head development in different environments

Gully head development represents a significant geomorphic process in a wide range of environments. Several studies investigated the critical topographic conditions, expressed by local slope gradient (s) and drainage area (A), controlling the development and position of gully heads in various landscapes. This review examines over 39 publications. After critically analysing the reported threshol...

متن کامل

Febrile illnesses of different etiology among outpatients in four health centers in Northwestern Ethiopia.

Fever of different etiology is common in tropical and subtropical countries of the world. Etiological agents of febrile illnesses were assessed in 653 acute febrile patients aged 3 to 17 years who attended the outpatient departments of Dembecha Health Center, Jiga Health Center, Quarit Health Center, and Finoteselam Hospital in western Gojjam zone, northwestern Ethiopia. Malaria was the most pr...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Applied and Environmental Soil Science

سال: 2015

ISSN: 1687-7667,1687-7675

DOI: 10.1155/2015/789479