نتایج جستجو برای: 30 and 120 sampling plots were taken around dead trees and control trees

تعداد نتایج: 17153044  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

abstract the present study was conducted in order to investigate the impact of an integrated model of form-focused and task-based instruction on iranian efl learners vocabulary learning and retention.it also aimed to detect efl learners attitude towards the implementation of form-focused task-based vocabulary instruction in the classroom. in order to address the purposes of this study, a sampl...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1387

this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...

Journal: :جنگل و فرآورده های چوب 0
امیر اسلام بنیاد دانشیار سنجش از دور و بیومتری جنگل دانشکدة منابع طبیعی دانشگاه گیلان، صومعه سرا، ایران فرزام توانکار استادیار مهندسی جنگل واحد خلخال دانشگاه آزاد اسلامی، خلخال، ایران

in this research resistance of six tree species to logging damages (bole wound) after 12 years were studied in district 1 of asalem nav forests. the data of extent and severity of damages on residual trees were collected immediately after logging operation from systematic sampling with circular 0.1 ha plots in the year of 2000. the damaged trees and wounds condition were reexamined in the year ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1393

according to research, academic self-concept and academic achievement are mutually interdependent. in the present study, the aim was to determine the relationship between the academic self-concept and the academic achievement of students in english as a foreign language and general subjects. the participants were 320 students studying in 4th grade of high school in three cities of noor, nowshah...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده ادبیات 1391

this study investigated the effects of three kinds of gloss conditions, that is traditional non-call marginal gloss, audio gloss, and extended audio gloss, on reading comprehension and vocabulary gain of iranian upper- intermediate efl learners. to this end, three experimental and one control groups, each comprising 15 participants, took part in the current study. in order to ensure that the pa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

this study was conducted to investigate the impact of podcasts as a learning and teaching tool on iranian efl learners’ motivation for listening as well as on their listening comprehension ability. the study also investigated the learners’ perception towards listening to podcasts and examined whether the learners were likely to accept podcasts. out of fifty-five intermediate learners studying e...

امیراحمدی, بهمن, ذوالفقاری, رقبه, میرزایی قره لر, محمدرضا,

In recent years, fundamental changes in the ecosystems of Zagros forest structure have occurred, including the decline of brant’s oak (Quercus bratii Lindl.) that is main species in this region. So this research intends to study trees decline in relation to sylviculture, topography, and soil characteristics. For this purpose, first, parts of forest that showed oak decline were identified by fie...

پایان نامه :دانشگاه رازی - کرمانشاه - دانشکده ادبیات و علوم انسانی 1393

in recent years, there has been a growing interest among researchers to investigate the relationship betweenteacher self-efficacy and classroom behavior management, especially students misbehavior. therefore, this study aimed to comparatively investigate english and arabic teachers’ use of different behavior managementstrategies, their self-efficacy, and their success in an iranian context. th...

رستمی, علی, شیخی, زهرا,

    Mistletoe (Loranthus europaeus Jacq) is an evergreen bush which is considered as a semi-parasitic plant of Ilam forests and show off in late autumn and winter in the northern forest of Ilam. The aim of this study was to investigate the effect of mistletoe on some Quantitative characteristics and nutrient uptake in oak forests (Quercus brantii L.) of Bankol in Ilam Province. For this study,...

صادق کوهستانی, جواد, عادل, محمد نقی, پوربابائی, حسن,

The aim of this study was to investigate some of the most important ecological features of the Hackberry trees in Guilan forests. Data was collected using 25 and 20 plots (Rezvanshahr and Tanean sites, respectively) based on the presence and absence of Hackberry. The inventory was selective sampling method. A circular sample plot with an area of ​​1000 m2 was used. Some geographical and ecologi...

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