نتایج جستجو برای: largest patch index lpi to assess road impacts

تعداد نتایج: 10755420  

2016
Andrea Laschi Francesco Neri Niccolò Brachetti Montorselli Enrico Marchi

A well-developed road network allows all forest activities, including wood harvesting, firefighting and recreational activities. However, forest road construction and maintenance involve economic and environmental costs. For these reasons, forest road network planning is a fundamental phase of forest management, maximising the benefits and reducing costs and impacts. Thanks to modern technologi...

پایان نامه :دانشگاه آزاد اسلامی واحد کرمانشاه - دانشکده مهندسی برق و الکترونیک 1393

a novel ultra wideband microstrip bandpass filter using radial stub loaded resonator and interdigital coupled lines is presented in this paper. the radial stub loaded resonator and decagonal patch form a resonator named m to create tuneable multiple notches in the passband for suppression wlan interference. to realize sharp roll-off, two adjustable transmission nulls are located at the lower an...

Journal: :iranian red crescent medical journal 0
mohammadreza mehmandar naja research center of traffic police of iran, tehran, ir iran hamid soori safety promotion and injury prevention research center, shahid beheshti university, tehran, ir iran mosa amiri naja research center of traffic police of iran, tehran, ir iran reza norouzirad biochemistry department, faculty of medicine, dezful university of medical sciences, dezful, ir iran mehdi khabzkhoob department of epidemiology, faculty of health, shahid beheshti university of medical sciences, tehran, ir iran; department of epidemiology, faculty of health, shahid beheshti university of medical sciences, tehran, ir iran. tel: +98-2182401615

background road traffic injuries are among the leading causes of death in the world and iran. objectives the aim of this study was to assess the role of age, sex, education, and time of accident on human casualties and mortalities of road crashes in iran. materials and methods this study was based on data gathered by iranian police department from the records of road crashes from april 4, 2008 ...

Journal: :Economies 2021

Logistics performance is an important determinant of economic growth. The present study investigates the moderating role logistics logistic infrastructure on growth in developing countries. We employ World Bank computed LPI index year 2010, 2012, 2014, 2016 and 2018 to measure performance. current research includes 50 economies, a panel data set comprising total 300 observations collected. used...

Journal: :مرتع و آبخیزداری 0
غلامعلی حشمتی دانشکده مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، ایران مژگان سادات عظیمی دانشجوی دکتری علوم مرتع، دانشکده مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، ایران پروانه عشوری کارشناس ارشد موسسه تحقیقات جنگل ها و مراتع کشور، ایران

rangeland ecosystem contains various patches with different functions. structural and functional characteristics of rangeland patches are changed by management practices and can be used to interpret management effects. the structural and functional characteristics of fertilized patches in two rangeland ecosystems of ghareh ghir and maraveh tapeh were measured and analyzed in this study. a group...

Journal: :Journal of environmental informatics letters 2023

Ecosystem services (ES) can link natural ecosystems with socioeconomic systems. The Yi River basin is one of the most important sub-basins Yellow basin, and landscape pattern this has changed dramatically in recent years. However, assessment patterns on ecosystem value (ESV) such been little studied. Therefore, temporal-spatial evolution ESV was evaluated through indices analysis method for eva...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده منابع طبیعی 1392

یکی از مهم ترین عوامل موثر در وقوع آتش سوزی در مناطق خشک، پوشش گیاهی و شرایط آب و هوایی منطقه می باشد. منطقه حفاظت شده باغ شادی یکی از مناطق جنگلی استان یزد بوده که بیش ترین آتش سوزی های استان در آن رخ داده است. به منظور بررسی عوامل موثر بر وقوع آتش سوزی در این منطقه از روش تحلیل سلسله مراتبی (ahp) استفاده شد و معیارهای فیزیوگرافی شامل سه زیرمعیار ارتفاع، شیب و جهت شیب، اقلیم شامل دو زیرمعیار د...

Journal: :JATISI: Jurnal Teknik Informatika dan Sistem Informasi 2023

This study aims to cluster countries according the logistics performance index (LPI) 2018 data. LPI is one of indicators for measuring sector based on a survey developed by World Bank since 2007 and has been widely accepted throughout world. There are 160 involved in organizing edition LPI. It helps understand their current position develop strategies policies improve world trade. Three cluster...

Journal: :Sustainability 2021

Numerous studies addressed the impacts of social development and economic growth on environment. This paper presents a study about inclusive impact factors environment by analyzing association between carbon dioxide (CO2) emissions two socioeconomic indicators, namely, Human Development Index (HDI) Legatum Prosperity (LPI), under Environmental Kuznets Curve (EKC) framework. To this end, we deve...

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