نتایج جستجو برای: numerical taxonomy
تعداد نتایج: 361755 فیلتر نتایج به سال:
due to increasing importance of desertification challenges and its consequences the necessity of sustainabledevelopment achievement in arid and semi-arid regions is essential in order to avoid limited sources asting, increase the efficiency of controlling, reclamation and restoration projects of natural areas. based on the iterature review, it has been recognized that combating desertification ...
Background: Equality in distribution of health facilities is the main indicator for increasing the availability of the facilities to the society. The aim of this study was to classify Bushehr province towns in health structural indicators using Numerical Taxonomy. Methods : This was a descriptive cross sectional study that used 21 health structural indicators in the towns of Bushehr provinc...
-In this history of numerical taxonomy since the publication in 1963of Sokal and Sneath's Principles of Numerical Taxonomy, I include reminiscences of the reactions of biologists in Britain and elsewhere. Much of the original program has proved sound. The debate on phenetic and phylogenetic classifications has been valuable, although the logical and theoretical aspects of phenetics have been gr...
Morphological, numerical and chemical taxonomy of the genus Crataegus was studied in the East and northeast of Iran. More than 80 fresh specimens as well as 50 herbarium specimens from different localities were examind. Using vegetative and reproductive morphological characters an identification key is provided for all taxa. For numerical taxonomy 85 morphological characters were measured and t...
objectives: there have been numerous attempts to construct non-monetary indices of social and economic satisfaction by combining in a single statistic a variety of different factors that are thought to influence human well-being. method: the concept of quality of life (qol) as an aggregate measure of people’s well-being in a certain country, region, or social stratum. the economist intelligence...
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