نتایج جستجو برای: russian knapweed
تعداد نتایج: 44059 فیلتر نتایج به سال:
In a Perspective, Chris Beyrer and coauthors discuss the threat of HIV to health in the Russian Federation.
We are witnessing the great era of genome exploration of the world, as genetic variation in people is being detailed across multiple varied world populations in an effort unprecedented since the first human genome sequence appeared in 2001. However, these efforts have yet to produce a comprehensive mapping of humankind, because important regions of modern human civilization remain unexplored. T...
A CREATIVE HISTORY OF THE RUSSIAN INTERNET
The objective of this study was to compare the biological parameters such as length, weight, age, caviar production indices, caviar/weight, condition factor and sex ratio of Persian sturgeon (Acipenser persicus Borodin, 1897) and Russian sturgeon (A. gueldenstaedtii Brandt & Ratzeburg, 1833) in the Caspian Sea during 1990-2014. All these characteristics (except condition factor) of Persian stur...
Introduction:The prevalence of atopic diseases has increased in recent decades dramatically. The most common aeroallergens in Northeastern Iran have not been fully defined. Define the most common aeroallergens in allergic patients based on the skin prick test (SPT) was aimed in this investigation.Materials and Methods:This cross-sectional study enrolled 1,006 allergic patients (aged 1–86 years)...
Overview: Following its introduction to North America, diffuse knapweed came to occupy millions of hectares of rangeland. This is the story of biological control efforts done over 25 years before an effective agent was introduced. The moral is that for optimal success of biological control, thorough work should be done to understand the ecology of the target weed and its natural enemies. Effect...
The article analyzes mental representations of Russian lyrical prose texts. The texts demonstrate collective memory engrams that are defined by cultural and historical legacy of the nation and authors’ creative world perception. In architectonics of a lyrical prose text, sense perception reveals itself in accumulated underlying meanings and wisdom conveyed by expressive means. The author’s inte...
this paper analyzes the history of russian settlements in the northern provinces of iran in the early 20th century. these settlements developed in what was defined as the russian sphere of influence by the anglo-russian convention of 1907 and, unlike in the caucasus of central asia, preceded a military conquest. russian colonization in iran started as a spontaneous peasant migration in 1907 and...
A number of studies have suggested a link between hybridization and invasion. In this study, we experimentally test the potential for hybridization to influence invasion through a greenhouse common garden study. Diffuse knapweed (DK) (Centaurea diffusa Lam.) was introduced to North America with admixture from spotted knapweed (SK) (Centaurea stoebe subsp. stoebe L.). Comparisons between North A...
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