英语人>网络例句>高寒植物 相关的搜索结果
网络例句

高寒植物

与 高寒植物 相关的网络例句 [注:此内容来源于网络,仅供参考]

Microhabitat variety shows significant effects on plant morphological performances. To understand adaptation strategy of alpine species to resources heterogeneity, response of biomass allocation and morphological characteristics to nutrient and light heterogeneity were studied for three component species (Saussurea macrota, Salvia przewalskii and Senecio scandens) in alpine meadow of the Qinghai-Tibetan Plateau.

为了解高寒植物幼苗对生境资源异质性的适应策略,以高寒草甸中常见的3种草本植物大耳叶风毛菊、甘西鼠尾草和千里光为材料,比较研究了这3种植物幼苗对不同光照和养分资源的响应。

The carbon isotope composition of single alkanes (δ13Cia) in two plants (Leontopodium leontopodioidies and Taraxacum mongolicum ) growing in the northeastern Qinghai-Tibet plateau was analyzed by means of GC-IMS in order to know its relationship with altitude,and furthemore, to gain new data for the research on climatic changes.

用色谱—同位素质谱仪对青藏高原东北部高寒草甸生态系统中的两种高等植物—火绒草和蒲公英的烷烃进行分析,讨论环境因素对植物单体烷烃碳同位素组成(δ13Cia)的影响。

We find these microscope characters through research are as follows:ratio betweenstoma\'s length and wide,stoma density and stoma index,the shape of epidermalcells,the anticlinal wall,palisade\'s layer,the type of ventilating cavity,type of limb,trichome ect.

这表明了25种植物的叶片既具有中生植物又兼有旱生和湿生植物的部分结构特征,这些现象说明了这些特征是这些植物对高寒地区低氧、低温、强辐射等自然条件长期适应的结果。7。

The result indicated that: with the change of ecological factors and intensification of human activities,strong stability of grassland community structure of the local alpine meadow type along the highway in this region was found,proportion of medium xerophilous、rhizomous grass increased;alpine grassland community had relatively low stability,grassland community successed naturally to adapt to the new environment;...

结果显示:随着生态因子发生变化和人类活动的加剧,该区公路沿线高寒草甸类草地群落结构表现出了较强的稳定性,中旱生耐旱的根茎型禾草比重有所增加;高寒草原植物群落稳定性相对较差,草地群落为适应新的生境而发生了自然演替;沼泽化草甸亚类草地植物群落中群落伴生种的种类增加,优势种嵩草属植物在群落中的比重有所下降。

There are some grass seeds recommended for ecological restoration , for example, Kentucky bluegrass, ryegrass, coronilla, festuca arundinacea, sword-bamboo and euonymus fortunei.3Regarding JBA,YQS, and CXL fertilizer as addition agent of the ecological material, magnetic fertilizer as ecological fertilizer, the material take on character such as water holding capacity, fertilizer retaining, prime cluster structure and binding power, which realize the destination of ecological protection of the abrupt rock slope.4Ecological material protection slope techniques, which is suitable for abrupt rock slope in high-cold area, has been formed elementarily.

高寒地区生态护坡的草种应选用具有抗寒、抗贫瘠和适宜粗放管理的冷季型草种,推荐使用的川西高寒地区生态护坡植物种属为:草地早熟禾、黑麦草、小冠花、高羊茅的草种组合,剑竹灌木种,以及小叶扶芳藤藤蔓植物种。(3)适当配比的高分子材料JBA、YQS和生态肥料CXL作为生态基材的添加剂可使基材具有保水、保肥、优质团粒化和粘结性能,从而达到生态护坡的目的。(4)开发了JYC生态护坡基材,初步形成了一套适合川西高寒地区岩质陡边坡生态基材防护的技术方法体系。来源:Ac9BC论文网www.abclunwen.com

The water extracts of the aboveground parts of 31 plants belonging to 13 families were used in the seed germination experiment of the major weed Ligularia sagitata and the herbage Elymus nutans in alpine and cold grassland in order to screen the plants that could inhibit Ligularia sagitata.

用13科31种植物地上部分的水浸液0.05g DWmL^(-1对高寒草场主要杂草箭叶橐吾和同域牧草垂穗披碱草进行种子萌发实验,旨在筛选能够抑制箭叶橐吾的植物种类。

Therefore, we selected common species of Ranunculaceae. comparative primordial plants in Alpine Meadow at Eastern QinghaiTibetan Plateau, and studied the reproductive strategies, such as reproductive allocation, especially sex allocation, to understand how the plants adapt the environmental conditions. The results showed:(1) At higher altitude, the self-incompatible plant, such as Trollius ranunculoides tended to become limited by pollination rather than by nutrient availability, while the self-compatible plants, such as Anemone rivularis and A. obtusiloba seemed not to be limited by pollen availability, which suggested that ability of self pollination for alpine plants may be a mechanism of reproductive assurance.(2) Influences induced by high altitude on the reproduction of these species occurred on different reproductive characters, which suggest species-specific adaptive strategies. The influences are dependent on plant size to some extent.

因此,我们选择在青藏高原东部的高寒草甸,以比较原始的植物类群—毛茛科植物为研究对象,选择一些常见种探讨其繁殖对策,如繁殖分配和性分配问题,试图揭示这些植物如何适应环境条件,最后的结果表明: 1高寒草甸高海拔区,自交植物(如小花草玉梅A.rivularis和钝裂银莲花A.obtusiloba)的繁殖不受花粉限制,而完全异交植物(毛茛状金莲花T.ranunculoides)的繁殖受花粉限制,表明高海拔地区植物的白花授粉能力可能是一种繁殖保障机制,能够避免恶劣环境对植物有性繁殖的不利影响; 2海拔高度对植物的影响因种而异,不同的物种受影响的繁殖性状不同,即使同属亲缘种间也存在差异,表明不同物种对相似环境压力的适应对策不同;而且,海拔高度对植物的影响在一定程度上依赖于植物个体大小,说明植物通过调整其个体大小与繁殖性状的关系来适应环境梯度的变化; 3植物花期和果期的繁殖分配并不完全随海拔升高而减小(只有小花草玉梅的果期RA随海拔升高而减小30%),与Iwasa和Cohen的预测不完全一致(他们认为繁殖分配随生长季缩短而减小)。

The objectives of the study were to: 1 reveal the responses of vegetation and soil to degradation by investigating community characteristics and soil physic-chemical properties; 2 quantify the contributions of human factors and natural factors and the relationship among the factors by analyzing the variation of each factor in past decades; 3 understand the succession of fenced undegraded meadow, artificial pasture, semi-artificial pasture and degraded meadow, and to 4 provide suggestions for restoration and rehabilitation of the degraded rangeland in the region.

本项研究旨在通过对黄河源区退化高寒草甸的植物群落特征和土壤特征调查,揭示植物和土壤养分对土地退化的响应;对源区人口及牲畜数量和国内生产总值,气候变化特点等因子的分析,量化人为干扰因子和自然因子的贡献率以及各因子之间的数量关系;以及对草地退化驱动力分析以及原生草地植被封育、人工草地、半人工草地的自然演替变化规律的研究,为高寒草甸退化草地恢复与重建提供科学依据。

The total trend of succession was from tall erect -growth kobresia community to short prostrate-growtii forbs community, the vertical perennial forbs community was transition.5 Grazing interference gave certain effect on soil of alpine meadow.

群落演替的总趋势为由高大直立生长的嵩草群落向低矮耐牧的匍匐型植物、莲座状植物组成的杂类草群落演替,其间以直立多年生杂类草群落为过渡。 5 放牧干扰对高寒草甸草地土壤产生了一定的影响。

The content of heavy metal element of 16 species periglacial plant in Qinghai Daban mountain area was analyzed.

以探讨高山植物对于高寒环境的适应机理。7。分析了青海达坂山地区16种高山植物重金属元素含量。

第1/2页 1 2 > 尾页
推荐网络例句

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?