نتایج جستجو برای: centeral alborz

تعداد نتایج: 1145  

Journal: :Acta Palaeobotanica 2023

We studied the modern pollen rain in two different landscapes from Hyrcanian lowland forests up to slopes of Alborz Mountains Gilan province for first time. Pollen traps were installed one year and moss samples collected along altitudinal transects 100 1800 m 2300 elevations. The results counting environmental DNA barcoding (metabarcoding) compared 32 locations. In total, 81 vascular plant spec...

Journal: :Spanish Journal of Agricultural Research 2021

Aim of study: To investigate the impact factors affecting greenhouse environment on energy consumption and productivity.Area Alborz province Iran during period 2018–2020.Material methods: In this study, 18 active units owners in that had necessary standards were identified. Then, upper lower amplitudes variables productivity greenhouses calculated using a type-2 fuzzy neural network, Matlab 201...

Journal: :iranian journal of science and technology (sciences) 2011
a. zamani

this paper shows how multifractal analysis can be used to characterize the spatial distribution of epicenters in the zagros and alborz-kopeh dagh regions of iran. the main multifractal characteristics, dq, f(αq), τq, αq and a set of multifractal parameters defined from the shape of the f(αq)-spectrum including the width of f(αq)-spectrum, nonuniformity factor, combined parameter, coefficients o...

Journal: :international journal of advanced biological and biomedical research 2013
mosa azami feizollah monavvari fard samira jeyhoni somaye eydi habib reyhani

today, all over the word, we see the scientists, thinkers, politicians, consumers, producers and ecologists (who support the environment) pretest against the method of agriculture, because trying to increase the crop outcome to its maximum rate for hectare through the irregular use of chemical input in industrial agriculture lead to a disaster in human life which will endanger the whole life on...

Journal: :Trees, forests and people 2021

Land use and land cover (LULC) change is a common trend in all parts of the globe. The possible reasons might be economic, political, social or cultural motives. In Ethiopia, most rural urban people are highly dependent on eucalypts for various purposes, particularly, fuel wood construction materials. study area, Western Gurage Watersheds Omo-Gibe Basin, eucalypt plantations have become emergen...

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