منابع مشابه
Geologia Croatica Aspects of Romanian Palaeozoic Palaeobotany and Palynology . Part III . The Late Carboniferous flora of Baia Nouă , Sirinia Basin
Early–Middle Pennsylvanian (late Carboniferous) age coalbearing strata in Europe can be found in two general depositional settings (OPLUŠTIL & CLEAL, 2007; CLEAL et al., 2010, 2011). The most extensive deposits were formed in paralic settings, most notably on the Variscan Foreland and associated basins between the British Isles and northern Turkey, in the Donets Basin of eastern Europe, and the...
متن کاملA biogeographical study on tropical flora of southern China
The tropical climate in China exists in southeastern Xizang (Tibet), southwestern to southeastern Yunnan, southwestern Guangxi, southern Guangdon, southern Taiwan, and Hainan, and these southern Chinese areas contain tropical floras. I checked and synonymized native seed plants from these tropical areas in China and recognized 12,844 species of seed plants included in 2,181 genera and 227 famil...
متن کاملNormal oral bacterial flora from some southern African snakes.
Eighteen snakes representing 11 species were subject to mouth swabbing on 58 occasions. Of these swabs, 52.2% were positive for bacteria. A total of 92 bacterial isolates were cultured, representing 30 species of which 81.5% were Enterobacteriaceae, 16.3% gram positive cocci, and 2.2% anaerobes. Swabs from non-venomous snakes were more commonly bacteriologically sterile than those from venomous...
متن کاملThe pollination niche and its role in the diversification and maintenance of the southern African flora.
The flora of southern Africa has exceptional species richness and endemism, making it an ideal system for studying the patterns and processes of evolutionary diversification. Using a wealth of recent case studies, I examine the evidence for pollinator-driven diversification in this flora. Pollination systems, which represent available niches for ecological diversification, are characterized in ...
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ژورنال
عنوان ژورنال: Nature
سال: 1895
ISSN: 0028-0836,1476-4687
DOI: 10.1038/052595b0