ecosystem structure 中文意思是什麼

ecosystem structure 解釋
生態系統結構
  • ecosystem : n. 【生物學】生態系(統)。
  • structure : n. 1. 構造,結構;組織;石理,石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】(直接經驗中顯現的)結構性,整體性;整體結構。adj. -d ,-less adj.
  1. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。
  2. A reservoir is built in housetop, have structure of wall of edaphic lay aside, some of alga, fish is put inside, form small - sized ecosystem with assuring water quality fresh

    在屋頂建設一個蓄水池,有土壤貯壁結構,裏面放些藻類、魚類,形成小型生態系統以保證水質的新鮮。
  3. It is useful to study the relationship between plants and environments of this region for improving our understandings of the ecosystem frangibility of ordos plateau and the significant roles of vegetation in maintaining the structure and function of the ecosystem

    因而,研究該地區植被與環境復雜多變的相互關系有助於我們認識鄂爾多斯高原生態系統的脆弱性和植被對于維持該區生態系統結構和功能過程的重要性。
  4. Animal husbandry accupys a big proportion of the economic total revenue in westen chongqing economic corridor, its development is not only significantly related to the regulation of agricultural structure in this area, but to the balance of the agricultural ecosystem, as well as the upgrowth of chongqing economy and improvement of living standard of chongqing people

    畜牧業是渝西經濟走廊產業總值的重要組成部分。發展畜牧業,關繫到渝西經濟走廊農業結構調整和農業產業化經營,關繫到農業產業的生態平衡,關繫到重慶經濟的振興,也關繫到全市人民生活水平的提高。
  5. The theoretical analysis shows that any human activities, responsible for the changes of rock, air, water, soil and biology inside or outside the caves, will influence inevitably cave animals in terms of such levels as molecule, cell organelle, cell, tissue, organ, system, individual, population, society and ecosystem. these effects can be observed on cave animal ' s shape - building, activity, tissue structure, metabolism, space - time distribution, biothythm, structure of population and society, food chain, bio - relation, diversity of population and society, and function of the above - mentioned levels

    理論分析表明,凡是能夠引起地表和洞穴巖石、空氣、水、土壤、生物等變化的一切人類活動都不可避免地使洞穴動物在分子、細胞器、細胞、組織、器官、系統、個體、種群、群落和生態系統各級層次上產生效應,這些效應具體表現在影響洞穴動物形態建成、行為、組織結構、新陳代謝、時空分佈、生物節律、種群和群落結構、食物鏈結構、生物關系、種群和群落多樣性以及各層次所表現的功能的多少、快慢、強弱等方面。
  6. This paper summing - up the study on stability ecosystem and using the theory of dissipation structure defined the stability of urban ecosystem and the means to judging

    本論文在總結前人生態系統穩定性研究的基礎上,結合耗散結構理論給出了城市生態系統穩定性的概念和判別方法。
  7. After the analysis of the status and problems of agriculture industry structure in hebei taihang mountain area, it is pointed out that the readjustment of agriculture industry structure in this area should based on the market, principle of mountain ecosystem and sustainable development, the precondition of agriculture industry readjustment is food safety, in this area, to implement the optimization and readjustment of agriculture industry structure, we should develop the water - save agriculture, characteristic forestry and stock raising, pollution - free agriculture, touring agriculture and farm product processing

    摘要分析了河北省太行山區農業產業結構的現狀與存在問題,指出該區調整產業結構要以市場為導向,遵循山地生態系統的基本原理並堅持可持續發展的原則,在保障糧食安全的前提下發展節水農業、特色林業與畜牧業、無公害農業、觀光農業及農副產品加工業,實現對農業產業結構的優化調整。
  8. Cyanide may leave the structure of coral reef intact, but can kill all the corals and the surrounding marine organisms. this destructive practice destroys the reef ecosystem that all reef organisms depend upon. vulnerable species : humphead wrasse and giant grouper

    東南亞區不少漁民為圖利不惜使用氰化鈉山埃活捉珊瑚魚,雖然山埃不會破壞珊瑚礁的結構,卻可殺死珊瑚蟲及四周的海洋生物,對珊瑚礁生態系統造成嚴重破壞。
  9. The evolution of land ecosystem has been researched basis on the theory of dissipation structure. 3 the comparison research about the land ecological classifies system. the scholar abroad and home hold a different point in land classification and methods

    其中有代表性的有二大類:一類是基於理論研究而建立的分類系統,其特點是理論性強,我們稱之為基礎理論分類系統或土地自然分類系統。
  10. Community structure and its dynamics of pest, predatory and neutral insects ina jujube ecosystem

    捕食性和中性昆蟲群落結構及動態研究
  11. 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。
  12. It can anticipate and avoid, minimize or offset the adverse significant biophysical, social and other relevant effects of development proposals, and optimizes resource use and management opportunities. based on investigating numerous references in literature both at homes and abroad, collection statistical data and field survey, eia guidelines ( such as < technical guidelines for environment impact assessment of development area hj / t131 - 2003 > ), eia basic and operating principles, g1s software and urbanization proposals, the ecological impact assessment was analyzed in four aspects : 1 ) to investigate and collect data and information of current condition in programming area, and the introduction of the development project ; 2 ) ecological assessment : to practise ecological assessment for regional state, analyze the characteristic of ecosystem structure, ecological function, diversity, landscape pattern and ecological environmental sensitive area

    本文在國內外文獻調研、統計資料收集和實地調查的基礎上,以《中國環境影響評價導則?非污染生態影響》 、 《規劃區域的環境影響評價導則( hj t130 - 2003 ) 》和《開發區區域環境影響評價技術導則( hj t131 - 2003 ) 》等法規為主要依據,運用環境學、生物學、景觀生態學、生態系統生態學等知識,參考城市規劃和可持續發展觀的原理,藉助遙感( rs ) 、地理信息系統( gis )和全球定位系統( gps )等技術手段,結合蘆潮港新城的開發布局和規劃特點,進行生態影響的分析研究。
  13. Chongqing as an example. this paper probes and discusses regional land use change and its land ecological system ' s structure, function and evolutive relation through deeply analyzing land use change and its situation of ecosystem health. this paper mainly contains the following aspects : ( 1 ) area of cultivated land, water area and unused is decreasing

    本文以重慶市沙坪壩區為例,深入分析沙坪壩區土地利用變化情況及其生態健康狀況,探討區域土地利用變化對其生態系統的結構、功能及其演變的影響,其主要內容和結果包括以下幾方面: ( 1 )耕地、水域和未利用土地減少。
  14. Marine ecosystem structure has also been changed and the fishery has shifted from catching large predatory fishes to small trash fishes and invertebrates, which are resistant to heavy fishing cheung 2001

    另一方面,海洋生態系統結構亦已改變,漁獲亦從大型的捕食性魚類,轉變為那些較能抵抗密集捕魚體型細小無經濟效益的雜魚類及無脊椎生物cheung 2001
  15. On the theories and principles of modern ecology, such as ecosystem ecology, landscape ecology, and mountain science, a division system with four classes were established : forest region, sub - regions, sub - sub - region and small region according to their spatial structure and geographical characteristics of forest ecosystems in yunnan hot regions

    摘要按照雲南熱區森林生態系統的空間結構和地理特徵,應用生態系統學、景觀生態學、山地學等現代生態學的理論和原理,確立了雲南熱區森林地理分區的原則及「森林區」 、 「分區」 、 「亞區」 、 「小區」的4級分區系統。
  16. In the past 40 years, the great change of nutrient structure has lead an obvious effects on the jiaozhou bay ecosystem, the silicate cycling has received significant scientific attention. an improved method is applied to the study of bsi in jiaozhou bay, the relationship between bsi and the phytoplankton, nutrient and organic carbon were discussed, the bsi cycle was studied simply

    在此基礎上,對膠州灣沉積物中的bsi含量進行了測定,同時測定了4個航次膠州灣水體中的顆粒態生物硅( pbsi )含量,結合bsi培養實驗較系統地討論了膠州灣生物硅與浮游生物、營養鹽和有機碳之間的關系。
  17. Forest gap is ubiquitous in both undisturbed and disturbed forest ecosystems, which drives the development of forest ecosystem, and affects the composition of plant species, stand structure and succession phase

    摘要林窗是森林生態系統中一種普遍存在的現象,無論是健康的系統還是已經受到過度干擾的系統,林窗作為森林生態系統發展的重要驅動力,影響著森林的物種組成、結構以及森林的演替方向。
  18. Wetland landscape changes in structure and process have huge impacts on environmental changes caused by the spatial and temporal interaction of wetland natural ecosystem processes

    該過程對系統的能量流動、物質循環以及物種遷移產生作用,對地理環境也產生巨大環境效應。
  19. The station was qualified as a open filed research station of cas in 1989 and became one of the leading stations of chinese ecosystem research network cern in 1992. working on the ecosystem structure and function, global warming, biodiversity, long term ecosystem monitoring as well as sustainable pastoral animal production, the station has become a research, demonstration and extension center. geographic location

    青藏高原自第三紀隆升成為世界最高的高原以來,就以它獨特的自然地理單元影響著歐亞大陸的大氣環流和各類生態系統的分佈格局,以及高原特殊的生態系統結構功能與生物的生態適應和進化模式,引起國內外科學家的關注。
  20. Make use of the district economics, ecosystem economics, and system dynamics principle, and provided the way for establishing the all - around theories of the big ecosystem structure in space of the small town environment. because the study of the small town land using is placed in the stage in entry - level, there are some standpoints in the article which is needed to test in practice. in order to resolve the land policy problems in small town, we should adopt some main reformational measures and countermeasures, including : the first, enhancing the land planning policy ; the second, consummating the land management policy ; the third, scooping out well the current potentials in the building land of small town ; the fourth, promoting the harm

    為了解決小城鎮的土地政策問題,認為應採取的主要改革措施和對策有:第一,強化土地利用規劃政策,優化土地利用結構,促進小城鎮用地結構的協調發展;第二,完善土地管理政策,促進小城鎮健康有序發展;第三,充分挖掘現有小城鎮建設用地潛力,協調新城區開發與舊城區改造的關系;第四,利用景觀生態原理,設計小城鎮景觀,促進小城鎮土地開發與環境的協調:第五,發揮地價杠桿的調節作用,促進土地的區位配置合理和集約利用;第六,進行農地流轉政策制度創新,逐步割斷轉移勞動力與農地的「臍帶」 ;第七,進行小城鎮土地投資政策體制創新,構建與完善多元化的投資機制推進小城鎮建設;第八,進行小城鎮建設用地政策的制度創新,有效保護和利
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