نتایج جستجو برای: halostachys caspica pall
تعداد نتایج: 975 فیلتر نتایج به سال:
Hucho taimen (Pall.) is one of the largest salmonid species, and has been classified as an endangered species in China since 1998. In recent years, its wild stocks, habitats, and spawning grounds have been severely damaged by environmental degradation and human intervention. To protect and exploit this treasured species effectively and sustainably, the genetic diversity and structure of taimen ...
The article describes a new subspecies Eurytemora caspica tethysiana subsp. nova that, according to its genetic and morphological features, is closely related the recently described species from Caspian Sea. According our hypothesis, both of these taxa are relics fauna Tethys Sea in last phase existence (Paratethys). form occupies an intermediate position between carolleeae by characteristics. ...
گونه های beckmannia eruciformis subsp. eruciformis و glyceria caspica که قبلاً فقط در لیست پراکنش جغرافیایی برخی فلورها از ایران ذکر شده بود، از شمال غرب و شمال ایران گزارش داده می شوند. رویشگاه دقیق گونه ها بر اساس جمع آوری نمونه های هرباریومی مشخص و پراکندگی آنها در دنیا توضیح داده می شود.
The low speed perfommlce of low stagger compressor bl&i.ng at three pitcbdchord ratlios-by-Two stages of low qeed, low stagger blading were tested &t man diameter pitc$/chord ratios of 0.43, 0.66 and C.34. Contmry to the indications of some earlier published work, t'nere was no si@ficant Pall-off in elYiciency at the lowest, pitching, and the trend of the performance was in line with that predi...
Batman has contributed more than its fair share to the 'darkness that hangs over contemporary culture like a picturesque pall. 'Dark' designates both a highly marketable aesthetic style and an ethical, or rather anti-ethical, stance, a kind of designer nihilism whose chief theoretical proposition is the denial of the possibility of the Good. Gotham, particularly as re-invented by Frank Miller i...
1 . Throughout this paper, we use the following notation : c•1 , c2 , . . ., X0 , X1 , . . . denote positive absolute constants. We denote the number of elements of the finite set S by BSI . We write ex =exp (x) . We denote the least prime factor of n by p(n) . We write pall n if pain but pa+1 f n . v(n) denotes the number of the distinct prime factors of n, while the number of all the prime fa...
Many studies indicated that small mammals are important reservoirs for Bartonella species. Using molecular methods, several studies have documented that bats could harbor Bartonella. This study was conducted to investigate the relationship of Bartonella spp. identified in bats and small mammals living in the same ecological environment. During May 2009 and March 2010, a total of 102 blood speci...
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