نتایج جستجو برای: iran thirty sample plots were identified and within each plot
تعداد نتایج: 16950921 فیلتر نتایج به سال:
since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...
[1] Scaling transpiration from trees to larger areas is a fundamental problem in ecohydrology. For scaling stand transpiration from sap flux sensors we asked if plot representativeness depended on plot size and location, the magnitude of environmental drivers, parameter needs for ecosystem models, and whether the goal was to estimate transpiration per unit ground area (EC), per unit leaf area (...
the purpose of this study was to investigate iranian efl learners’ beliefs about the role of rote learning (rl) in vocabulary learning strategies; besides, the study examined if english proficiency would influence learners’ vocabulary learning strategy use. this study addresses the need for a clear understanding of the role of rl in efl vocabulary learning by looking at iranian efl learners’ ow...
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...
we studied 11 gaps covered with beech saplings (< 1.30 m tall) in a reserve compartment (compartment 139, district one, langa forest, watershed 36: kazemrood) of the caspian beech forest in n iran. two transects, each 2 m wide, were laid along the longest (n-s) and shortest (e-w) axis of each gap. five micro sample plots, each 4 m2, were established: one at the center, and one at each corner. q...
There is limited data on the fungal diversity in mangrove ecosystems Guyana. This study investigated during dry season three selected coastal along Corentyne Coast of East Berbice, Sampling was conducted within randomly established 50 m x plots containing 20 mini transects length 12.5 10 overwash ecosystem at each six sites locations. Samples retrieved from included leaf, bark, soil and fruitin...
the effects of five different foods including: blood worm, artemia cyst, artemia mass powder, gammarus mass powder and ordinary commercial food were studied on siamese fighting fish (bettasplendens) propagation efficiency during thirty days in a randomize totally design with 4 repeats .experimental plots had been consisted of twenty 30*30*40 (cm) aquarium which a pair of male and female brood s...
rested on sociocultural theory (sct), this study attempted to examine the effect of written corrective feedback (wcf) followed by producing written languaging on developing writing accuracy over new tasks. to this aim, two intact iranian efl classes at the low-intermediate level were randomly assigned to two experimental groups: direct (n = 25) and indirect (n = 25). both groups wrote on a numb...
the present research was conducted to explore the effect of employing two language teaching approaches, i.e. schema-based instruction (sbi) and translation-based instruction (tbi), on vocabulary knowledge, structure and reading comprehension ability of forty one female students learning english in grade one senior high school in rivash, kuhsorkh, iran. while sbi focuses on schemata, i.e. words ...
the purpose of this study was to investigate the relationship between family functioning and marital adjustment humor couples are due to the nature and objectives of the research and application of methods for its implementation correlation was used. the study population consisted of all the couples in the city who uses random cluster sampling of 200 students were selected as sample. data from ...
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