نتایج جستجو برای: diversity index
تعداد نتایج: 577656 فیلتر نتایج به سال:
Fish assemblage was investigated during the study of longitudinal profile of the Ehania River Basin in south-eastern Côte d’Ivoire. This area is subjected to intense human activities with many plantations (palm tree, banana, pineapple, coffee, rubber and cocoa). Samples were collected, with gillnets of different mesh sizes, through 6 sampling surveys during dry and rainy seasons from February 2...
In the present study, genetic diversity among 41 lines and genotypes of canola including 19 open-pollinated and hybrid cultivars, 17 promising lines and 5 double-haploid lines were determined using simple sequence repeat (SSR) markers related on drought tolerance QTLs. Thirty-six selected primers produced 166 discernible bands, with 157 (94.58%) being polymorphic, indicating considerable geneti...
Background and Objectives: Dietary diversity is a proxy measurement of overall dietary quality. The aim of this study was to assess relationships between dietary diversity score and obesity phenotypes in women, Tehran, Iran. Materials and Methods: In this cross-sectional study, 197 women aged ≥ 25 years from Municipal District 7 of Tehran were participated. Food intakes were calculated using s...
Twenty-two G. glabra populations were used to study the genetic diversity of ISSR molecular markers. 12 primers were used to amplification of genomic DNA fragments of G. glabra populations. High genetic diversity based on ISSR markers was observed among individuals. A total of 130 bands were formed and 105 bands were polymorphic. The mean polymorphism percentage among studied populations was 80...
This study aims to identify and determine species diversity and richness of the Gastropods of the intertidal zone of Bushehr seaport coastal area and assess the ecological status of this area using Welch index. Sampling was carried out at 6 stations in Bushehr seaport in the winter and summer seasons during 2013-2014. Bed sediment sampling was done three times in each station and Gastropod samp...
The present study was conducted for the first time to investigate and identify the ecological quality status (EcoQ) of Gorgan Bay and also to emphasize the degree of agreement between the results of different benthic macrofauna indices, introduction of appropriate index and utilization of basic results in environmental management programs in the region. To do, 22 sites were selected and macrobe...
Fenugreek is one of the important edible and medicinal vegetables that have a long history of cultivation and consumption. Characterize the extent of the genetic diversity among landraces will provide a good context for future breeding programs and genetic resource preservation. Genetic diversity and population structure of 88 individuals of eight landraces of Iranian fenugreek evaluated based ...
Overgrazing, via harvesting of forage species and decrease the other herbs, is of progressive factors in biodiversity destroying. In order to investigate the animal grazing impacts on changing of plant structure and diversity, we selected the comparison between this effect with exclosure area, and proving of the excluded area effects on plant diversity; two sites of Kojour rangeland, Mazandran ...
Background and Objectives: Dietary diversity score is a nutrient intake adequacy index associated with the child growth. As mothers make the most important decisions affecting dietary patterns for their families and children, this study investigated possible relationships between the dietary diversity scores of children and mothers and the anthropometric statuses of preschool children for the f...
study of genetic relationships is a prerequisite for plant breeding activities as well as for conservation of genetic resources. since the hybrid canola have more yield than inbred lines, determine the genetic diversity of this have particular importance. in the present study, genetic diversity among 36 genotype of brassica sp. were determined using inter simple sequence repeat (issr) markers. ...
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