查询词典 quercus

E. , Pinus koraiensis, Quercus mongolica and Tilia will appear as new species. Fire disturbance has effects on forest biomass and its species composition and structure.

koraiensis、蒙古栎、椴树等树种；火干扰影响森林生物量及森林的物种组成和结构。

According to the SLA and LDMC of tree layer, the five communities can be classified into three groups: the first group consists of Betula dahurica and Populus davidiana, the second group contains mainly Quercus liaotungensis, and the third group consists of Juglans mandshurica and Tilia mandshurica.

依据乔木层的SLA和LDMC将5种群落分成3类，第一类是黑桦林和山杨林，第二类是辽东栎林，第三类是胡桃楸林和糠椴林。

These pollen maps show significant vegetation changes during the past 10 000 years in the current forest regions of Northeast China, with the early Holocene characterized by the widely distributed Birch, the mid-Holocene by the development of temperate deciduous forest mainly consisting of Quercus and Ulmus, and the late Holocene by the marked increase in Pinus abun dance and the development of temperate mixed conifer and deciduous forest.

花粉图展示了东北地区植被演化的主要特征。桦树在全新世初期遍布从三江平原到辽东半岛南端的东北东部地区，在森林中占据绝对优势地位；榆属和栎属等阔叶乔木在早中全新世的大部分时间内是东部森林中的主要种类；在大约5kaBP以后，松属在东北现在的森林地区开始增加，云、冷杉属也表现出较明显扩大，中北部地区的森林覆盖度可能比原来增大了。

According the difference of plant community in Daqinggou Nature Reserve, the environment was divided into 7 kinds of habitats, they are Fraxinus mandshurica plant community, Quercus mongolicus plant community, Ulmus macrocarpa plant community, conifer community, lakefront plant community, paddy field plant community and grassplot plant community in sandlot.

按照植物群落的不同将保护区内的环境划分为7种生境，分别为水曲柳植物群落、蒙古栎植物群落、大果榆植物群落、针叶林植物群落、湖边湿地植物群落、稻田植物群落和沙丘草地植物群落。

The proportions of the main tree species (Quercus mongolica, Ulmus pumila, Fraxinus mandshurica, Juglans mandshurica) at di...

结果表明，研究范围内样方的坡度在10.2°一22.5°之间。

Maximum value of ring-porous species-Fraxinus mandshurica , Fraxinus mandshurica , Phellodendron amurense, Quercus mongolica, semi ring-porous Juglans mandshurica, diffuse-porous Betula platyphylla, Tilia amurensis and non-porous Pinus sylvestris, Pinus koraiensis were as following: 430.53, 516. 36, 234. 00, 625. 93, 945. 83, 199. 49, 507. 93, 142. 43, 286. 21cm〓cm〓h〓 in diumal course during the growing season, The sap flow persisted after leaf senescence until the mid-October.

在生长季中环孔材水曲柳、水曲柳、黄波罗、蒙古栎树干液流密度日最大峰值分别为430.53（8月末）、516.36（9月中旬）、234.00（7月下旬）、625.93 cm〓cm〓h〓（9月初）；半环孔材胡桃楸为945.83 cm〓cm〓h〓；散孔材白桦和紫椴分别为199.49（9月上旬）、507.93 cm〓cm〓h〓（8月上旬）；针叶材樟子松、红松分别为142.43（7月中旬）、286.21cm〓cm〓h〓（7月下旬）。

Results of pattern dynamic analysis are that Fraxinus mandshurica, Phellodendron amurense, Ulmus propinqua, Ulmus macrocarpa population patterns turined to random type from aggregative type in series of seedling, sapling, little tree, middle scale tree and big tree, because of higher tiller capacity, Quercus mongolica population pattern is still aggregative type in big tree stage.

格局动态的分析表明，水曲柳、黄菠萝、春榆、大果榆种群幼苗一幼树一小树一中树一大树分布格局由集群分布逐渐变为随机分布，而蒙古栎由于较强的萌生性，大树阶段仍为集群分布。

Results of pattern dynamic analysis are that Fraxinus mandshurica, Phellodendron amurense, Ulmus propinqua, Ulmus macrocarpa population patterns turned to random type from aggregative type in series of seedling, sapling, little tree, middle scale tree and big tree, because of higher tiller capacity, Quercus mongolica population pattern is still aggregative type in big tree stage.

格局动态的分析表明，水曲柳、黄菠萝、春榆、大果榆种群幼苗―幼树―小树―中树―大树分布格局由集群分布逐渐变为随机分布，而蒙古栎由于较强的萌生性，大树阶段仍为集群分布。

In the aspect of niche, the niche breath of B. platyphylla, Quercus aliena, Fraxinus spp., B. dahurica were big, but A. mono, Ulmus macrocarpa, Armeniaca sibirica, Platycladus orientalis were small.

2在生态位方面，白桦、槲栎、白蜡、黑桦的生态位宽度较大，而色木槭、大果榆、山杏、侧柏的生态位宽度较小。

The molecular taphonomicdata and palaeoenvironmental information of the fossil flora are derived from theinvestigations on the four species by application of related taphonomic, anatomic,physiologic and organic geochemic techniques.

从下南山组植物群中选取四种优势属种作为本文研究的主要对象：Ilex cornuta、Quercus delavayi、Cunninghamia lanceolata和Liquidambar miosinica。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。