نتایج جستجو برای: key species
تعداد نتایج: 1067274 فیلتر نتایج به سال:
Determining the allowable use of key species in rangelands of Iran is necessary to range management. Despite of the importance of the subject, little information is available in this regard. The aim of this study was to investigate the response of plants to harvest intensities in order to determine the allowable use of the key species of steppe rangelands. Two key species, Artemisia sieberi and...
The wide ecological area consists of a rangeland with special vegetation and one of the key factors in rangeland management is to select Management Indicator Species (MIS). Management indicator species based on a new method such as Analytical Network Process-Decision Making Trial and Evaluation (ANP-DEMATEL) is one of the most important stages in the successful Range management as choosing a su...
during 2010-2011 a faunistic survey was carried out for collection and identification of edaphic mesostigmatic mites (acari: mesostigmata) in jiroft and suburb. mites were extracted from soil samples by berlese funnel. the mites were cleared in nesbit fluid and were mounted in hoyer medium on microscopic slides. in this study 43 spices from 26 genera and 16 families were collected and identifie...
In the present study, six species of Bipolaris viz. B. heveae, B. neergaardii, B. papendrofii, B. zeae, B. oryzae, and B. australiensis and two species of Curvularia viz. C. intermedia and C. heteropogonicola were identified on graminicolous species. Bipolaris heveae on Echinochloa sp., Cynodon dactylon and Arundo sp., B. neergaardii on Oryza sativa, B. papendrofii on Saccharum officinarum and ...
species identification is always important. records of sea urchins and sand dollars species (echinodermata, echinoidea) is given from iranian waters. nine species of echinoderms were identified through the study. the species identification was made using morphological characteristics and review of checklist key. nine species were identified here, including echinometra mathaei, prionocidari...
The cosmopolitan genus salvia L. (Lamiaceae) consists of nearly 1000 species distributed throughout the Old and New Worlds. America and South- West of Asia are the two most important distribution centers. Of the 70 species reported in the flora Iranica area nearly 56 species belong to Iran. This investigation deals with the morphology of Salvia. The morphological studies were performed on 36 po...
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