macrofossil造句

例句与造句

1. Starting with macrofossil deposited in glacial clay found in Scania in 1871, Nathorst investigated postglacial development in flora and vegetation.
2. Thus, most sites will contain little macrofossil evidence of the inedible portions of pi駉n that could later be recovered by archaeologists.
3. Palynological and coleopteran analyses account for most of the work on both moors to date, with significant plant macrofossil, peat humification and testate amoebae studies also included.
4. The oldest reliably dated macrofossil of " Eucalyptus " is a 21-million-year-old tree-stump encased in basalt in the upper Lachlan Valley in New South Wales.
5. Vaupell did macrofossil analysis of peat deposits and showed that in the Holocene development of temperate forest communities in Denmark, Betula was the chief early pioneer, followed by Pinus and Quercus and finally Fagus, which dominates today.
6. It's difficult to find macrofossil in a sentence. 用macrofossil造句挺难的
7. Interestingly, there is no macrofossil record for the species, so it is unclear whether it is a recent introduction from the mainland or has only recently evolved, although its presence on both the mainland and Tasmania suggests it has been present since the Pleistocene.
8. In a peat-core study in central Alberta, macrofossil ribbed bog moss was an indicator species of moderate-rich fens; ribbed bog moss occurred most often on mires that were moderately acidic ( x pH = 6.0 ) and had low electrical conductivity ( x = 125 礢 / cm ) and moderately high water tables ( x = 8.7 inches ( 22 cm ) deep ).