查询词典 ecosystem

The results showed that the value of the district was the highest, which is 2.6 × 10^7 yuan RMB, when the areas of the ecosystem and prawn pond are 25.4 km^2 and 9.6 km^2 respectively. And that is recommended that ideal Spartina alterniflora/ pond ratios should not exceed 27% of the ecosystem area converted to ponds.

研究结果里示，当互花来草盐沼生态系统面积为25.4平方公里、对虾养殖面积为9.6平方公里，即对互花米草盐沼生态系统的开发面积不超过其总面积的27%时，可实现该区域资源价值的最大化，其评估值最高，为2 626.7万元。

For reflecting a basic circumstance of the forest resources management and the ecosystem variety completely, monitoring of the forest health condition strengtheningly, and realizing the comprehensive evaluation of the forest resources and the ecosystem condition,it is necessary to building up an efficient, convenient information service system in the forestry section.

为了全面反映森林资源管理和生态变化的基本情况，加大对森林健康状况的监测，实现对森林资源和生态状况的综合评价，需要在林业部门建立一套高效、便捷的信息服务系统。

3Started with the ecosystem structure and function, constructed the index system of grassland ecosystem health evaluation. And selected eight quantitative and two qualitative indices, including the production, community coverage, litter biomass, excellent forage proportion, forage crude protein, soil compaction, soil organic matter, soil microbial biomass nitrogen and dominance species and life form synusia composition, as the sensitive indices of typical steppe health evaluation.

3从生态系统结构与功能入手，构建出典型草原健康评价的指标体系，并进一步筛选出典型草原健康评价的敏感指标包括草地产草量、群落盖度、地表凋落物、优良牧草比例、牧草粗蛋白、土壤紧实度、土壤有机质、土壤微生物量氮8项定量指标以及优势物种组成和生活型层片构成2项定性指标作为典型草原健康评价指标。

Forest is the most complicated ecosystem in the terrene, Nature Reserve is natural reference to reestablish degenerative ecosystem and provided with particular ecological functions and ecological benefits.

森林是陆地上最复杂的生态系统，自然保护区是恢复重建退化生态系统的天然参照物，发挥着独特的生态功能和效益。

From the view of ecology, wetlands, as the transition area between terrene ecosystem and waterbody ecosystem, become the their ligament.

从生态学角度看，湿地是介于陆地和水体生态系统之间的过渡地带，是水陆两大系统相互连接的纽带。

Based on research progress on economic value of ecosystem services, taking Shenzhen for instance, the authors analyze the functions of ecosystem services such as conditioning climate, fixing carbon and releasing oxygen, preserving soil, keeping waterhead, purifying environment, and restraining noises.

综述国内外生态系统服务功能价值评估相关研究进展，以深圳市为例，运用生态经济学原理与方法，阐释了生态系统调节气候、固碳释氧、保持土壤、涵养水源、净化环境和减弱噪声等生态服务功能，对其经济价值进行评估。

Zoobenthos is an important components of lake ecosystem and play multiple functions in aquatic ecosystem.

中文摘要：底栖动物是湖泊生态系统的重要组成部分，发挥着多种生态功能。

In order to study the impact of rice-duck farming ecosystem on zoobenthos biodiversity in paddy waters, surface soil samples taken from rice-duck farming ecosystem and conventional paddy fields were analyzed for zoobenthos biodiversity.

在水稻不同生育时期对稻鸭共作稻田和常规稻田的土壤取样，研究不同稻田生态系统水体底栖动物的生物多样性。

Brachionus calyciflorus is a common specie in freshwater ecosystem, and has important status in structure construction, material cycle and energy transportation in freshwater ecosystem.

萼花臂尾轮虫是淡水常见轮虫种类之一，在淡水生态系统的结构组成、物质循环和能量传递过程中具有重要的作用。

Critical load, which is defined as the highest deposition of acidifying compounds that will not cause long-term harmful effects to the ecosystem, indicates the sensitivity of an ecosystem to acid deposition.

酸沉降临界负荷是指不致使生态系统发生有长期危害影响的最高酸沉降量，它表示生态系统对酸沉降的敏感程度。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。