productivity of ecosystem 中文意思是什麼

productivity of ecosystem 解釋
生態系生產力
  • productivity : n. 1. 多產，豐饒。2. 生產率；生產能力。
  • of : OF ＝Old French 古法語。
  • ecosystem : n. 【生物學】生態系（統）。
  1. This paper summarized the disturbance effect of rodents on soil ( pedogenesis, patch formation, and physical and chemical properties ) and vegetation ( species diversity, productivity, and seed dispersion ), aimed to illustrate the contributions of rodents activities to desert ecosystem

    本文主要從鼠類活動對土壤（包括土壤發生過程、土壤斑塊的形成、土壤理化性質）和植物群落（包括物種多樣性、生產力、植物種子）的擾動效應做了歸納總結，旨在闡明鼠類在荒漠生態系統中的作用。
  2. The radical reason of lower ecosystem productivity and disharmonic developing in this ecotone is the improper configuration inner animal husbandry for example of ansai county and big animal scale exceeding the threshold of the primary productivity for example of wuchuan county, which above - mentioned leads to the fact that coupling mechanism between agriculture and animal husbandry system has not been established, and agriculture and animal husbandry is still in the state of disharmonic on the whole. 3

    主要表現為兩種典型結構模式，一種以安塞縣為代表，農牧能值總體利用率較高，但畜牧業內部結構偏重食糧動物使得高質能轉化率低下；另一種以武川縣為代表，農牧業結構總體上朝趨于協調方向發展，但畜牧業規模過大，由於草畜平衡嚴重失調，導致農牧系統耦合機制難以穩定。
  3. The order euphausiacea consists of 86 or 87 species distributed over the ocean of the world, plays an important role in marine ecosystem, particularly in southern ocean, and is the key link of marine primarily productivity and higher trophic levels. krill fisheries are relatively recent developments. 47 species belonging to seven genera of two families in krill were recorded in china seas

    磷蝦是一類大型的海洋浮遊動物，數量大，分佈廣，是海洋浮遊動物的重要類群之一，在海洋生態系統中具有重要地位，尤其在南大洋，是維系海洋初級生產者與更高營養階的主要環節之一；同時，磷蝦又是許多經濟魚類的主要餌料，近年來，磷蝦作為新興的漁業資源正引起人們的高度重視。
  4. On the other hand, the research of " forests and water " is from the aspects of the eco - hydrological models of forest ecosystem from, the viewpoint of forest ecosystem and combining with the research on forest structure, function, productivity, energy and material circulation, to explore the laws and internal relation of various forest hydrological phenomenon is the basic topic of research

    另一方面在祁連山水源林生態系統長期定位研究的基礎上，以祁連山青海雲杉為代表運用森林生態學、森林水文學、生態經濟學、生態水文學等學科理論，通過建立單一因子的水文環境因子模型研究森林水文效應；從生態系統觀點出發，結合森林的結構和功能以及生產力和系統能量及物質循環的研究，揭示各種森林水文現象發生和發展的規律及其內在聯系。
  5. The type, direction and frequency degree of land use change not only reflect the process of the space - time dynamic change of the earth ' s surface landscape and become the most salient landscape mark of the earth surface system, but also become the base of rebuilding the equilibration of land use - ecosystem - productivity

    土地利用變化類型、變化方向和速率以及變化的頻繁程度不僅反映了地球表面景觀的時空動態變化過程，成為地球表層系統最突出的景觀標志，而且還成為了重新建立土地利用? ?生態? ?生產均衡的基礎。
  6. The three systemic indicators contain eco - environment indicator, society development indicator and economy development indicator. the six collective indicators contain ecosystem stability indicator, ecosystem productivity indicator, indicator of soil and water conservation and water resource self - restraint capacity of forest, level of forest management indicator, society development indicator and economy development indicator

    3個系統指標分別為生態環境系統指標、社會發展系統指標和經濟發展系統指標， 6個大類指標分別為：生態系統穩定性指標、生態系統生產力指標、水源林水土保持水源涵養指標、森林經營水平指標、社會發展指標和經濟發展指標。
  7. It is a holistic production management system which promotes and enhances agro - ecosystem health, and productivity of soil, plants, animals and people

    有機耕種是可持續發展重要的一環，它是一套整全的生產系統，改善生態環境。
  8. Forest ecosystem management takes forests as a com plex ecosystem. in the process of managing and utilizing forest resources, the eco system should be maintained in a healthy and integrated state, and its function be kept for a long time in good condition. for this purpose, the paper puts forward a basic unit - dividing method for forest ecosystem management, using subcompartm ent dividing combined with forest type dividing. it also discusses the relations of forest structure with ecosystem productivity, productive potentiality and biod iversity under forest ecosystem management

    森林生態系統經營是將森林作為一個復雜的生態系統來經營，在對森林資源的經營利用過程中，應維持森林生態系統的健康與完整，並長期保持系統的功能良好.提出將小班區劃與林型劃分相結合的方法來劃分森林生態系統經營的最基本單位，並對森林生態系統經營中森林結構與系統生產力、生產潛力、生物多樣性等的關系問題進行了探討
  9. Effects of plant species diversity on productivity of ecosystem

    植物群落物種多樣性對生態系統生產力的影響
  10. Systematic analysis of the ecological process, energy flow and productivity in the coral reef shows that the coral reef ecosystem is a top - level community with extremely high biodiversity

    通過對珊瑚礁生態系統中的生態學過程、能量流、生產力的系統分析，展示了珊瑚礁生態系統是一個生物多樣性極高的頂級群落。
  11. 1. this paper first puts forward the framework of agro - ecosystem productivity constituted by primary productivity. secondary productivity. economic productivity of peasants household, ecosystem services productivity and their evaluation indices, in which the approach of emergy analysis and ecosystem service was introduced and applied after being revised

    論文的主要進展歸納如下： （一）本文創造性地提出了由區域初級生產力、次級生產力、農戶經濟生產力以及生態系統服務生產力四部分組成的農業生態系統生產力分析框架模型及評價指標體系。
  12. Effects of ozone pollution on terrestrial ecosystem productivity

    臭氧污染與陸地生態系統生產力
  13. This framework of agro - ecosystem productivity evaluation is expected to be an innovative attempt comparing to the similar research method before. 2. the emergy evaluation results show that ( 1 ) the primary system productivity have risen greatly since 1990 in this region

    首次引入了能值（ emergy ）分析方法和生態系統服務（ ecosystemservice ）價值測算方法並進行了修正，這在同類研究方法上是一種具有創新意義的嘗試。
  14. The current studies focus in developing multi - scale data - model fusion approaches and new generation of ecosystem models for simulating cross - scale interactions, understanding and quantifying impacts of climate and land use changes on terrestrial ecosystem productivity and water, carbon and nitrogen cycles, and assessing changes in ecosystems services, carrying capacity and sustainability

    目前的研究工作集中於：發展多尺度的數據模型融合方法，建立能夠進行跨尺度機理模擬的新一代生態系統模型；認識氣候和土地利用變化對區域和全國陸地生態系統生產力和水碳氮循環變化的影響；評估生態系統服務功能、承載能力和可持續發展能力。
  15. Phenological model is an important component of ecosystem productivity models, which may play a key role in analysis of vegetation - atmosphere interactions

    植物物候的模擬模型構成生態系統生產力模型的重要部分。
  16. Under the guidance of the strategy of sustainable development, aiming at the special demand of beijing, this paper put forward the principle of reserved land reclamation suitable for cultivation, the core of which is to pay preferential attention to ecology, synchronously to quantity and quality. in order to protect ecosystem services and keep dynamic balance of total amount of cultivated land in area, this paper set a suit of evaluation index system, which includes productivity index and protection index

    以可持續發展理論為指導，針對北京市的特殊要求，提出了「保護生態、兼顧耕地數量與質量」的后備土地資源宜耕評價原則，並從保護性和生產性兩個方面構建北京市后備土地資源宜耕評價指標體系，從而實現區域生態服務功能保護和耕地總量動態平衡。
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