we have studied the medicinal plants of ghasemloo and then surveyed the usagepercentage of different parts from each specimen for the medicinal or diet consumptions atthree sites from the adjacent villages of ghasemloo valley, villages of west and eastazerbaijan including 17 questioners. during two years, the medicinal plants that have beencollected and provided as herbarium specimens were reco...

the grape erineum mite (gem), colomerus vitis (pagenstecher) (acari: eriophyidae) is considered to be one of the most important pests, that sometimes causes irreversible damages to grapevine cultivars in western parts of iran. studies were carried out in order to find natural enemies associated with gem, during 2011-2013. results indicated that natural enemies included two species of predatory ...

Floristic studies are fundamental for the applied sciences such as rangelandmanagement and conservation. Unique ecological and climatic conditions in the NorthernKhorasan Province (NKP) make it a remarkable habitat for the floristic studies. Plant specieswere collected from 50 field sites, representing major habitats of winter and rural rangelands.Surveys were conducted during active growth per...

the symphypleona fauna of mazandaran province was studied in 2013. the specimens were extracted by berlese funnel from soil, leaf litter and dead woods and identified after preparing microscopic slides. in present study, the specimens are belonging to the families, sminthurididae and katiannidae. among the species of katiannidae, sminthurinus gisini gama, 1965 is recorded for the first time fro...

fish biodiversity investigation in urmia basin which is a part of irano-anatolian hot spot aimed to determine the state of fish in this endorheic basin. based on the obtained results, freshwater fish species of the urmia basin comprise 29 species in 25 genera, 7 families, 5 orders and one class. the most diverse order is the cypriniformes with 23 species (79.31%) followed by salmoniformes and p...

An historical account is given for the ichthyological research at St. Croix, U. S. Virgin Islands, followed by an annotated list of 544 species of mostly marine shore fishes known or reported from the island to depths of 200 m. Color photographs are included for 103 of these species. Collections made at Buck Island Reef National Monument with the ichthyocide rotenone in 2001 and 2005 increased ...

silvicultural operation need to notice the species diversity. to this study gomarlang district in marivan region, northern zagros forest was selected. in this study 30 circle sample plots (500 m2) were collected by random method. in every sample plot the kind of species and number of trees and shrub were recorded. in the sample plots the micro plots of 5 m by 5 m (i.e. area of 25 m2) were desig...