查询词典 ecosystem

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。

The present consumption theory disassociates the mainbody of consumption out of ecological system and practically the humankind is only one of the animals in ecosystem, the consumption of men is a link of material recycle and energy flow in ecosystem.

现行的消费理论将消费主体游离于生态系统以外，而实际上人类仅是生态系统的一个物种；人类的消费活动是生态系统物质循环和能量流动的一个环节，而现行的消费理论只考察物质资料再生产过程，却没有考察人口再生产和自然再生产过程；将环境资源视为无价值，并将其排斥于消费活动以外。

According to ecological balance, marine ecology law should take measures to restrict the action allowed for mankind by marine ecological limens, to restore the degenerated marine ecosystem, and to maintain the marine ecosystem balance.

海洋生态系统的开放性决定了其与外界的物质能量循环，使得保护这些物质能量循环的法律之间也产生了联系。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48