نتایج جستجو برای: and habitat uses

تعداد نتایج: 16840317  

Journal: :International Journal of Discrimination and the Law 2018

Journal: :Asian Plant Research Journal 2023

Yamazakia pusilla has been collected from Jamtara Forest Division, Jamtara, Jharkhand. Earlier, it was known as Lindernia pusilla. Very less studies and reports are available on Jharkhand state. In the initial observation literature review, appeared that might be a new addition genus to floral wealth of state, but e-flora Botanical Survey India (BSI) listed its synonyms. It is an unexplored pla...

Journal: :international journal of aquatic biology 0
melahat hoghoghi biodiversity department, environment faculty, islamic azad university, science and research branch, tehran, iran. soheil eagderi fisheries department, natural resources faculty, university of tehran, karaj, iran. bahmen shams-esfandabad department of environment, islamic azad university, arak branch, arak, iran.

a fish species prefer a particular habitat where provides its biological requirements, hence, understanding their habitat use and preferences are crucial for their effective management and protection. this study was conducted to assess the habitat use and selection patterns of alburnoides namaki , an endemic fish in jajroud river, namak lake basin, iran. the river was sampled at 18 equally spac...

Journal: :علوم باغبانی 0
نخعی نخعی خلیقی خلیقی ناصری ناصری آبرومند آبرومند

abstract chemical components of narcissus (narcissus tazetta l.) essential oil investigated under farming and natural habitat conditions in south khorasan province. the essential oil was obtained using solvent extraction method. after purification, the oil was analyzed by capillary gc and gc/ms. 12 compnents making 82/82% of total oil in farm sample and 13 components making 63/86% of total oil ...

Climate change has a great impact on the species distribution range and many endangered plant species. Fritillaria imperialis as a species that is native to Central Zagros, Iran is a medicinal plant with great ecological and commercial profits. Its population has decreased considerably and the species would be endangered in later decades. Understanding the habitat needs of this species, evaluat...

Identifying environmental factors affecting the habitat preference of medicinal species is a fundamental and valuable action for cultivation and domestication and reducing the pressure on natural resources is a fundamental and valuable action. This study was performed with the purpose of investigate the most important ecological factors affecting the habitat of Stachys lavandulifolia Vahl in ea...

This study was accomplished with the aim of investigating the effects of tree decline and slope aspect on leaf morphological traits and determining the indicator morphological traits that indicate the leaf diversity of Persian oak trees in relation to habitat conditions and environmental stresses in Mellah Siah forests of Ilam. Two forest habitats were selected on the northern and southern slop...

Journal: رستنیها 2009
A. JALILI B. HAMZEHEE M. RABIE, Y. ASRI,

Thirty-four populations of Artemisia sieberi from 10 provinces of Iran were investigated with respect to quantitative characteristics of leaves and seeds. In each habitat, five plants were randomly selected and some branches were harvested for studying leaf characteristics in spring and seed characteristic in autumn. Principle features of climate and soil were studied in each habitat. In order ...

Reinforced concrete frame buildings with Open Ground Story (OGS) are one of the most common building configurations in urban habitat. These configurations are known to be vulnerable to seismic excitations, primarily due to the sudden loss in strength in the ground story and differential stiffness distribution throughout the structure. The differential stiffness distribution is attributed primar...

Journal: :اکو هیدرولوژی 0
مهدی صدیق کیا . دانشجوی دکتری سازه‏های آبی، دانشگاه تربیت مدرس، تهران سید علی ایوب زاده دانشیار گروه سازه‏های آبی، دانشگاه تربیت مدرس، تهران محبوبه حاجی اسماعیلی کارشناس ارشد سازه‏های آبی، دانشگاه تربیت مدرس، تهران

in the present research necessities of instream flow needs (ifn) assessment in the rivers with focusing on delichai river as case study is investigated using the hydro-ecological methods. at first, ifn is assessed using two common approaches of the tennant and wetted perimeter. then considering that rainbow trout is the most important and dominant species in this river, ecological condition of ...

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