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But several characteristics exhibited high differentiation level, such as width of the tooth of leaf base (25.99%) and the middle apical bud (25.23%).
      
However, only two morphological indices, the middle apical bud and the tooth of leaf base, are unstable, which indicates the extensive influence of environmental factors.
      
Sap flow velocity at the upper position of the trunk is higher than that of the middle and lower position, but cumulative flux is not significantly different among the upper, middle and lower sections.
      
Results showed that the biomass of fine roots (? 1 mm) in different layers varied in the following descending order: upper layer, middle layer and lower layer, at approximate ratios of 50:30:20.
      
Yunmeng belongs to the middle type, between the warm and dry northern mountain area and the warm and damp southern mountain area.
      
It is suggested that plants with higher activities of POD and CAT, more contents of chlorophyll and proline, and lower contents of MDA and MP consequently improve the tolerance to Al stress under low and middle Al treatments.
      
Chinese Mesozoic birds had lasted for at least 11 Ma during about 131 Ma and 120 Ma (Barremian to Aptian) of the middle and late Early Cretaceous, respectively.
      
The results also indicated that species richness for the memals in the NNR peaked at a middle elevation (rising at first, then descending with the increase in elevation).
      
sathyrostachys is found in the center of Middle Asia and the Caucasus Mountain, while P.
      
hydrophila ST78-3-3 and 58-20-9) avirulent and the rest middle virulent was to the fish.
      
Strains with the genotype of aerA-hlyA-ahpA+ have middle pathogenicity.
      
The frequency of HP1 in the population of Fujian Han nationality accounted for 0.340, among which children, youths, middle aged and elder groups were 0.307, 0.338, 0.363 and 0.383, respectively.
      
The frequency of Hp0-0 phenotype is highest in the middle aged group and then tends to drop with increasing age.
      
The Middle Kunlun fault (F10), which is the main structure of the Kunlun fault zone, is a high angle, super-deep fault.
      
Based on the conductive structure of the profile, the southern part of the Middle Kunlun fault belongs to the Tibetan plateau, but it is not certain whether the northern part of the Middle Kunlun fault belongs to the Tibetan plateau.
      
Sedimentary geochemistry of chert from the Middle-Upper Ordovician in Shihuigou area, North Qilian orogenic belt and its tectoni
      
The North Qilian orogenic belt is an elongate tectonic unit that lies between the North China plate to the north and the Middle Qilian microplate to the south, and is formed by a collision of the two plates in the Caledonian.
      
The mantle upwelling originates from the core-mantle boundary and mostly occurs in the middle mantle and the lower part of the upper mantle.
      
These data also show that the Dajishan granite and its related mineralizations are the product of magmatism in the middle Yanshanian stage and a part of the secondary large-scale mineralization in the Mesozoic.
      
In the Middle and Late Cambrian, the framework of lithofacies palaeogeography was similar to that in the Early Cambrian; the land area was gradually reduced; the basin area was enlarged; while the Tarim Carbonate Platform changed little.
      
 

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