查询词典 meadow

Main results were following:1 Seed germination characteristics were significantly affected by light availability and seed mass for these forbs component species in alpine meadow communities.

我们的研究结果主要有以下几个方面：1光照微生境和种子大小的变化显著影响了这些杂类草组分种的萌发特征。

Our objective was to study the seedling recruitment mechanism and process of familiar forbs component species in alpine meadow communities, and offer a theoretical foundation for understanding on grassland degradation and restoration process.

以期揭示高寒草甸群落中常见杂类草组分种的幼苗更新机制和过程，为草地的退化和恢复过程提供理论基础。

So. we conducted this study on seedling recruitment process and growth performance of some familiar forbs component species under different microsites (light and nutrient availability), which were made by a simulative artificially method, in alpine meadow communities of the eastern Qinghai-Tibetan Plateau.

因此，我们利用人工模拟的方法，研究了青藏高原东部高寒草甸群落中常见的杂类草组分种在不同微生境下的幼苗更新(从种子萌发到幼苗出土、存活至越冬)过程和生长(生长率、生物量积累和分配)特征。

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。

Leaf N,P and K were higher of blueberry cultured on dark brown forest soil and meadow bog gleyed soil.

N、P和K 含量在暗棕色森林土和草甸沼泽地土壤上较高；

On reaching the meadow, he saw a white stone in the grass and said,"Ill sit down now and eat the cake from the kings daughter."

到了草场，他远远看见草丛中有一块白石头，心想：&我正好可以坐在上边吃公主给我的蛋糕。&

From 6860 to 3170 cal.yr BP,semi-desert steppeexpanded,regional montane forest steppe retreated,suggesting a prolonged warm and dryclimate.Between 3170 and 2340 cal.yr BP,regional forest steppe expanded whereassemi-desert steppe retreated,indicating the climate became cool and wet gradually and thehumidity reached the maximum at the end of this stage.During 2340～1600 cal.yr BP,Poaceae steppe dominated whereas wetland meadow expanded and the montane forest stepperetreated,suggesting a cool and wet climate prevailed,wormwood grass steppe prevailed andthe climatic instability increased after 1600 cal.a BEThe climate and environmental reconstructions by pollen were supported by the diatomrecords.A relative high lake level and moister climate prevailed between 8660 and 7230 cal.yr BP as inferred by the dominance of planktonic diatom genera and high planktonic/benthicratio (〉40).low lake level and dry climate sustained during 7230～2330 cal.yr BP assuggested by the low abundance of planktonic diatom and low planktonic/benthic ratio ～20and the lake returned to high level during 2330～930 cal.yr BP as inferred by there-dominance of the planktonic diatom and the high value of palnktonic/benthic ratio.The pollen-based climate reconstruction was also consolidated by the grain size andPediastrum concentration records.

Ugii Nuur湖周围现代孢粉研究表明：松属为空气传播的外来花粉，其含量变化可能指示了远山森林草原发育状况；禾本科具显著低代表性，母体植物建群时含量通常在10％以下：藜科花粉含量可以指示区域气候干旱程度。2、以现代孢粉研究为基础、可靠AMS~(14)C年代为框架，Ugii Nuur孢粉记录高分辨率地重建了蒙古国中部地区过去8660 cal.yr BP以来的植被和气候变化。8660～7800 cal.yr BP研究区植被为禾草草原，湖畔及河谷低地发育苔草草甸，远山发育松属针叶林和森林草原，气候温和略湿润；其中8350～8250 cal.yr BP湿生草甸扩张，旱生植物成分减少，气候凉湿。7800～6860 cal.yr BP旱生成分增加，气候转向暖干。6860～3170 cal.yrBP半荒漠草原扩张，远山森林草原退缩，山地草原和河谷及湖畔湿生草甸退缩，气候持续暖干。3170～2340 cal.yr BP半荒漠草原退缩，远山森林草原扩张，气候转凉变湿，末期湿度条件达最佳。2340～1600 cal.yr BP禾草草原发育，湖畔及河谷低地湿生草甸扩张，远山森林草原略有退缩，气候总体较凉湿。1600 cal.yr BP以来研究区发育禾草-冷蒿草原，气候波动较大。

The ceiling was high-vaulted, covered in a tracery of delicate painted lines, a pattern suggesting thom bushes, or flowering vines, or the meandering of a thousand meadow streams.

天花板高高地拱起，镶嵌着用彩色的精细纹路描画的花饰窗格，花纹的图案象是一丛荆棘丛，或是缠绕的藤蔓，又象是草地上蜿蜒而行的千条溪流。

Applyed Levins Index corrected by Corwell and Wang gang Index, the niche breadth and niche overlaps of 20 species' in alpine meadow of Bayanbulak were measured at two resource dimension levels.

本文采用Levins提出经Corwell修正指数和王氏重叠指数，在土壤pH值和土壤全盐二维生态因子梯度上，测定了巴音布鲁克高寒草地20种主要植物种群生态位宽度和生态位重叠值。

At their lushest, they can transform the seabed into an underwater meadow.

这种蓬勃的长势可以把海床覆盖在下面

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。