نتایج جستجو برای: sarcophila meridionalis
تعداد نتایج: 305 فیلتر نتایج به سال:
The lemurs of Madagascar are among the most threatened mammalian taxa in the world, with habitat loss due to shifting cultivation and timber harvest heavily contributing to their precarious state. Deforestation often leads to fragmentation, resulting in mixed-habitat matrices throughout a landscape where disturbed areas are prone to invasion by exotic plants. Our study site, the Mandena littora...
فون بال ریشکداران استان قزوین طی سال های 1393-1392 بررسی شد. در این مطالعه، 38 گونه متعلق به 4 خانواده و 20 جنس جمع آوری و شناسایی شدند که از این تعداد 27 گونه برای اولین بار از استان قزوین گزارش و در زیر با علامت ستاره (*) نشان داده می شوند. در بین گونه های جمع آوری شده، 5 گونه شکارگر و سایر گونه ها گیاه خوار هستند؛ در بین گونه های گیاه خوار نیز thrips tabaciو frankliniella intonsaپراکنش وسیعی...
The insular dwarfism seen in Pleistocene elephants has come to epitomize the island rule; yet our understanding of this phenomenon is hampered by poor taxonomy. For Mediterranean dwarf elephants, where the most extreme cases of insular dwarfism are observed, a key systematic question remains unresolved: are all taxa phyletic dwarfs of a single mainland species Palaeoloxodon antiquus (straight-t...
The seasonal dynamics of biological traits in a population of European bitterling Rhodeus amarus from a small river in central Europe (River Kyjovka, Czech Republic) were investigated from April 2007 to March 2008. The reproductive season lasted from early April to mid-June, with a peak in late April when > 50% of females possessed ripe eggs in their ovaries. The sex ratio was female-biased, wi...
We analyzed the cleavage properties and the transcription regulation of the newt (Triturus vulgaris meridionalis) self-cleaving RNA. In vitro self-cleavage of model oligoribonucleotides occurs within a double hammerhead structure. In addition, an entire ribozyme molecule, as well as its catalytic domain, "trans-cleaves" in vitro appropriate oligoribonucleotide substrates. Signals encoded within...
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