نتایج جستجو برای: plant distribution

تعداد نتایج: 981981  

Journal: :International Journal of Electrical and Computer Engineering (IJECE) 2015

Journal: :Journal of the agricultural chemical society of Japan 1960

Journal: :Water 2021

Rivers and streams are heterogenous ecosystems that host a great number of vascular plant communities. The territory Slovenia is highly diverse regarding geomorphologic, geologic, climatic, edaphic conditions. We presumed environmental variability will also affect the distribution hygrophilous plants in running waters consequently structure communities they form. analyzed macrophyte, spatial, p...

پایان نامه :0 1391

بیمه گران همیشه بابت خسارات بیمه نامه های تحت پوشش خود نگران بوده و روش هایی را جستجو می کنند که بتوانند داده های خسارات گذشته را با هدف اتخاذ یک تصمیم بهینه مدل بندی نمایند. در این پژوهش توزیع های فیزتایپ در مدل بندی داده های خسارات معرفی شده که شامل استنباط آماری مربوطه و استفاده از الگوریتم em در برآورد پارامترهای توزیع است. در پایان امکان استفاده از این توزیع در مدل بندی داده های گروه بندی ...

Journal: :desert 2006
h. azarnivand m. jafari m. alikhah as h. dastmalchi j. safari

there are many medicinal plants in iran but there is lack of information about plants' growth condition and application. autecology is a science which can help us to investigate seasonal and morphological changes and condition that effect on plant distribution. in this study, the autecology and phonological studies for p.abrotanoides were done. at first, vegetation habitats of this plant were c...

Hossein Piri Sahragard, Mohammad Ali Zare Chahouki

Predictive modeling of habitat distribution of range plant species and identification of their potential habitats play important roles in the restoration of disturbed rangelands. This study aimed to predict the geographical distribution of Artemisia sieberi and find the influential variables in the distribution of A. sieberi in the desert rangelands of central Iran. Maps of environmental variab...

Journal: :Journal of environmental biology 2010
Kürsad Ozkan Serkan Gulsoy Ahmet Mert Munir Ozturk Bart Muys

The purpose of this study was to investigate the relationships between the plant distribution and the altitude-shape-size characteristics of sinkholes, and the landform characteristics inside sinkholes in the Mediterranean region of Turkey. Block kriging, Factor analysis, Cluster Analysis and Detrended Correspondence Analysis were performed. The sinkhole type and altitudinal zone were found to ...

Nejad-Alimoradi, Fatemeh, Rezanejad, Farkhondeh,

Periploca aphylla is an evergreen plant and resistance to drought stress, which can grow in harsh environmental conditions in hot and dry areas of southern Kerman province, therefore, it plays an important role in preserving the environment as well as soil. In this study, soil ecological factors of plant distribution areas, plant morphology, and comparison of some antioxidant compounds in diffe...

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