查询词典 ecosystem

Soil is a core of terrestrial ecosystem, and soil organic carbon is the main part of terrestrial carbon reservior.

土壤是陆地生态系统的核心之一，土壤有机碳库是陆地碳库的主要组成部分，在陆地碳循环研究中有着重要的作用。

Every ecosystem is a dynamic web always in flux, always in the processes of reshaping itself.

每个生态系统都是动态的网络，总是在变化，总处在重塑自己的过程中。

In a word, according to the research of pulp wastewater treatment using pond-reed system, we discovered that the complex system can removal wastewater pollutants effectively, at the same time, the salinity of soil is dramatic decreased through wastewater washing, which bring many active results: increasing of N, P, and organic matter; enhancing of soil microbes, enzymes, MBC/TOC, and soil respire rate; increasing of reed height and yield, decreasing of weed diversity; affecting of transporting ability of Ca, Mg, K, Zn, and Mn , and improving of water shortage, salinity resistance and rhizosphere metabolized secretion conditions, all those improved the weak ecosystem.

总之，经过对生物塘-芦苇湿地系统处理造纸废水的研究，发现系统能有效去除废水中有机物，同时废水灌溉还极大的降低了土壤盐分，产生了一系列积极效应：系统内氮、磷、有机质增加；土壤微生物和酶活性增强；MBC/TOC及土壤呼吸强度提高；芦苇株高和产量增加，而杂草的多样性减少；同时也会影响系统内钙、镁、钾、锌、锰等离子迁移，改变系统受盐碱和缺水胁迫的现状和根际代谢状况，极大地改善了滨海盐碱生态系统现状。

The quality of the soil is an important indicator of restoration of the local ecosystem.

土壤质量是一个重要的指标，恢复当地的生态系统。

Prevenient research shows the revegetation of submerged macrophytes is the base for water ecosystem rehabilitation.

研究表明沉水植被的恢复是水生态修复的关键。沉水植物因其完全水生的特点使其对光抑制的胁迫反映最为明显。

Ecological Revetment Engineering can protect river ecosystem health well. So it has been used widely in the channel revetment.

生态护岸技术凭借其对河道生态系统良好的维护作用，开始在护岸工程中得到广泛运用。

Lakes and 450 miles of streams are the basis of the riparian ecosystem in the park.

150个湖泊和450英里长的河流是根据河岸生态系统中的公园。

And riparian predators'' and that this could have ''unexpected ecosystem-scale consequences.

死亡率"，而且这些昆虫"是水生动物重要的食物"，因此这可能有"未预料到的生态系统规模的后果。

The characteristics of the riparian ecosystem were analyzed.

在对国内外河岸带生态系统管理研究进展进行综述的基础上，从生态系统管理的角度出发，结合河岸带生态系统特征，界定了河岸带生态系统管理的概念及其要素。

And, she said, the loss of one species can have a ripple effect on other species in the ecosystem.

并且，某种物种的灭绝会对生态系统中的其他物种带来连锁反应。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。