查询词典 quercus

The results showed that the lowland rain forest are composed of Heritiera parvfolia, Ormosia balansae, Ficus altissima, Vatica mangachapoi, Sarcosperma kachinense, Man glietia hainanense, Ixonanthes chinensis and Diospyros hainanensis in arbor layer and Gironniera subaequalis, Koilodepas hainanense, Blastus cochinchinensis, Psychotria rubra in shrub layer. The dominant species in mountain rain forest are Dacrydium pierrei, Podocarpus imbricatus, Xanthophyllum hainanense, Altingia obovata, Quercus auguslii and Adinandra hainanensis.

研究结果表明吊罗山低地雨林乔木层以蝴蝶树、青梅、高山榕、粘木、长脐红豆、海南柿、肉实树和海南木莲为主，灌木层以白颜树、白茶、柏拉木和九节为主；山地雨林以陆均松、鸡毛松、黄叶树、阿丁枫、扫把青冈和海南杨桐为优势种；山顶常绿矮林则以山地常绿阔叶林陆均松、琼崖柯、岭南青冈和油丹等种类的矮化为特征。

The impacts on the diameter levels V and VI were indicated as abnormal increase of survivorship, negative values of mortality and decrease of mean life expectance whereas the impacts on the diameter levels III and IV were opposite to the levels V and VI. The survivorship curve of the Quercus variabilis population was fit with Deevey II.

静态生命表分析较好地反映出栓皮栎种群生长历史中的消长过程，清楚地透视出20年前坑木择伐对种群动态的长期影响，即径级V和VI（直径8~12 cm）存活株数异常增加、存活率提高、死亡数和死亡率出现负值以及平均期望寿命降低；而相应地对径级III 和IV带来与径级V 和VI相反的作用。

Using TWINSPAN and CCA, we analyzed species composition and community structure of Quercus liaotungensis and Q. dentata - Q. acutissima mixed forests based on 43 plots from Mt.

在北京东灵山、喇叭沟门和大海陀山地区的辽东栎林以及白龙潭地区的槲树 Q。

If Altingia, Dipterocarpaceae of Jie Xiang, such as Brokaw, such as Fagaceae, Lauraceae tea branches and a number of evergreen species, Quercus humilis small, Stipa purpurea, Artemisia Tibet.

如阿丁枫、龙脑香科的羯布罗香等，如壳斗科、茶科和樟科的一些常绿树种，高山栎小蒿草、紫花针茅草、西藏蒿。

The results showed that negative correlation between the edificator and Quercus liaotungensis was significant due to the different adaptability to the light condition.

结果表明，建群种小叶鹅耳枥与主要优势种辽东栎之间为显著负相关，这主要由于它们对光照的不同适应。

The time when the leaf water potential reached the lowest during the day was earlier in seedlings of Quercus liaotungensis and Fraxinus rhynchophylla subjected to soil drying than in the control.

4和土壤开始时最低叶水势出现的时间相比，土壤干旱后辽东栎和大叶白蜡的最低叶水势出现要早。

The increase in the ratio of root to shoot was more in Spiraea pubescens and Lespedeza bicolor than in Quercus liaotungensis and Fraxinus, which shows that biomass allocation preferred to roots not to stems or leaves under drought conditions.

土壤水分胁迫对柔毛绣线菊和二色胡枝子的茎高影响大于对辽东栎和大叶白蜡茎高的影响。

The spatial distribution and population dynamics of Quercus liaotungensis, Fraxinus rhynchophylla and Acer mono were studied in three warm temperate deciduous forests in Dongling Mountain.

对北京东灵山地区三块样地中的辽东栎、大叶白蜡和五角枫种群的分布格局和种群动态进行了考察。

Populus alba × berolinensis, Salix babylonica and Quercus mongolica mainly emitted isoprene; Pinus tabulaeformis mainly emitted α-pinene; Ulmus pumila, Gleditsia japonica and Syringa oblate mainly emitted limonene; Ligustrum obtusifolium mainly emitted isoprene, limonene and α-pinene at different time. The highest emission rates were observed for Populus alba × berolinensis and Salix babylonica.

不同树种排放的BVOCs组成明显不同，银中杨、垂柳和蒙古栎以排放异戊二烯为主；油松主要释放α－蒎烯；榆树、皂角和丁香以释放柠檬烯为主；水腊在不同时段其BVOCs组成情况变化较大，主要释放异戊二烯、柠檬烯和α－蒎烯；其中银中杨和垂柳的BVOCs释放量明显高于其它树种。

The results showed that compared with the unburned field, species number of woody heliophilous plant seedlings increased in the burned field, mainly including seedling sprouts of Cunninghamia lanceolata, Eucalyptus robusta, Quercus fabric and Camellia oleifera.

结果表明：与未火烧林地相比，火烧迹地内阳生木本植物幼苗物种种数增加，更新苗主要以杉木、桉树(Eucalyp-tus robusta)、白栎、油茶等萌生枝为主。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。