نتایج جستجو برای: a elongatum
تعداد نتایج: 13431931 فیلتر نتایج به سال:
Ronzotherium is one of the earliest Rhinocerotidae in Europe, which first appeared just after Eocene/Oligocene transition (Grande Coupure), and became extinct at end Oligocene. It a large-sized rhinocerotid, with special position phylogeny this group, as being earliest-branching true Rhinocerotidae. However, its intra-generic systematics has never been tested through computational phylogenetic ...
با توجه به ضعیف بودن مراتع و کمبود علوفه جهت تأمین احتیاجات دامی‘ مخصوصا د رمنطقه ورامین و بادر نظر گرفتن این نکته که دامداران منطقه همه ساله جهت تأمین علوفه دام خود‘ با مشکلات زیادی روبرو هستند و از طرفی کمبودآب‘ شوری زمین وحرارت زیاد تابستان در این منطقه ‘که منطقه ای است نیمه کویری و عامل محدود کننده رشد گیاهان مرتعی می باشد. پس از مطالعات لازم ده گونه مختلف از گیاهان مرتعی را انتخاب و سازگار...
Host and pathogen ecology are often closely linked, with evolutionary processes often leading to the development of host specificity traits in some pathogens. Host specificity may range from 'generalist', where pathogens infect any available competent host; to 'specialist', where pathogens repeatedly infect specific host species or families. Avian malaria ecology in the region remains largely u...
We have characterized two related cDNAs (RCIM and RC12B) corresponding to genes from Arabidopsis thaliana, the expression of which is transiently induced by low, nonfreezing temperatures. RClZA and R C D B encode small(54 amino acids), highly hydrophobic proteins that bear two potential transmembrane domains. They show similarity to proteins encoded by genes from barley (Hordeum vulgare L.) and...
Scolytinae, a large group of Coleoptera, are vital community that causes forest damage. Species such as Pityokteines curvidens (Germar), Orthotomicus erosus (Wollaston), Tomicus destruens minor (Hartig) and Ips sexdentatus (Boerner) particularly prevalent in the region. In recent years, prevalence bark beetle species causing tree damage Bursa province has increased. The purpose this study was t...
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