quantitative ecology 中文意思是什麼

quantitative ecology 解釋
數理生態學
  • quantitative : adj 【數學】量的;定量的。 the quantitative limits that determine the qualities of things 決定事...
  • ecology : n. 1. 生態學;個體生態學。2. 【社會學】環境適應學,社會生態學。3. 任何均衡的系統[制度等]。n. -ogist 生態學家。
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵,包括南方紅豆杉種群年齡結構、種群空間格局(探討分佈格局動態規律與生境相互關系) 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等,分析其目前現狀及瀕危原因,期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎,也為瀕危植物種群生態學的研究提供參考。
  2. The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand

    針對流域特點建立了基於水資源的流域可持續發展評價指標體系,引入發展系數、協調系數、公平系數,以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數,提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究,論文根據生態適宜性理論,建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型,利用遙感技術成果以及植物生理需水的現場實驗數據,提出了乾旱區天然植被生態需水量計算方法。
  3. From the general ecology of a species it is possible to derive a quasi-quantitative measure of environmental heterogeneity.

    從物種的一般生態可以推導出環境異質性的擬數量測度。
  4. In this paper, the rationality of the application of quantitative ecology in the regional tourism studies was certified by analogy analysis of the hierarchy in ecosystem and regional tourism development

    摘要通過對生態系統層次與區域旅遊開發層次的類比分析,證明了數量生態學在區域旅遊研究中應用的合理性。
  5. By using theories from the relevant disciplines such as geography, mathematics, physics, ecology, and system sciences, this thesis develops a framework employing the concept of system entropy to represent the state function of the man - earth relationship system. in this framework the entropy change is used to show the development change of the system, and the entropy flow to express the flow among the spatial parts of the system. following the framework, and based on a large set of household data from surveys, the thesis makes a quantitative analysis of the village - level man - earth relationship system from a micro - perspective

    藉助地理學、數學、物理學、生態學、系統科學等有關學科理論,根據實地調查的大量農戶數據,從微觀視角對村域人地關繫系統進行了定量分析,用人地關繫系統熵來表徵人地關繫系統的狀態函數,用熵變來反映人地關繫系統的發展變化,用熵流來表示人地關繫系統各空間型式地域主體之間的流動。
  6. This study run through the basic idea of ecoregional approach methodology and systematic design by integrating agronomy, ecology, environmental economics, resource economics and maths. the study methods included macro - and micro - analysis, qualitative and quantitative analysis, theoretical and case study, statistical analysis and model simulation and so on. resources shortage and environmental pollution casued by intensive agriculture were examined for a specific suburban area shunyi district beijingissues were systematically analyzed including landuse changes, landuse driving force, water - limited yield simulation with wofost model, ecological, environmental and economical analysis of landuse, as well as optimizing pattern of landuse with rcsadss model

    本研究立足於生態區域法的基本思路,採用系統設計的思想,通過農學、生態學、環境經濟學、資源經濟學、數學等多學科的交叉與融合,宏觀與微觀、定性與定量、理論與實證研究等相結合的方法,運用統計分析、模型模擬等技術手段,在大量調研基礎上,針對目前大城市郊區農業用地中存在資源短缺、環境污染等問題,以北京市順義區為典例,從土地利用現狀與動態、驅動力、 wofost模型產量模擬、生態環境經濟分析及種植業結構優化模式等方面進行了系統研究,獲得如下研究結果: ( 1 ) 2002年順義區的土地利用仍以農業用地為主,耕地、園地、林地和牧草地之和占總土地面積的56 ,農用地中糧食作物仍佔43 。
  7. The paper shows the research for the division of regional land - use structure in the east of gansu loess plateau according to the dates from the square and ratio of second - class land types of the detailed land - use investigation, adopting the quantified structure analysis method of landscape ecology, taking the longdong region of the upper and mid jinghe river - sheds as an example, through quantitative research of the division of regional land - use structure

    摘要根據土地利用詳查變更資料中二級分類的用地面積和比例,採用景觀生態學結構定量分析方法,以涇河中上游流域的隴東地區為例,對土地利用結構的地域分異進行了定量研究。
  8. Based on the principles and methods of landscape ecology and historical geography, erdas and maplnfo software, adopting system analyses and integration study methods, quantitative and qualitative methods, dynamics and its reason of the water body landscape patterns in kaifeng city was analyzed

    基於此,本文運用景觀生態學、歷史地理學、生態學等多學科的理論和方法,藉助計算機技術,採用系統分析和綜合研究、定量與定性分析相結合的方法,以開封市為研究對象,探討了開封市水域景觀格局的演變及其原因。
  9. This passage, under the direction of the theory of land - using and the strategy of sustainable development, selects 20 small - towns representative of those from 3 economic circles in chongqing and carries out some research on the present situation of land - use, the proper disposition, the quota management and the supply pattern of the lands used for construction, the system of land - use in some small - towns and so on, by means of the synthetically technical line which combines the method of quantitative analysis ( statistics and model calculating ) and the method of qualitative analysis ( on - the - spot investigation, science of land, politics and economics, systematicness, ecology and so on. ) the passage also comes up with the strategy and measure of sustainably utilizing the land sources in small - towns

    本文以城市土地利用理論和可持續發展思想為指導,選取重慶市三大經濟圈中有代表性的20個小城鎮作為研究樣區,採用統計分析、模型預測等定量分析方法與文獻綜述、實地調研、土地科學與政治經濟學、系統學、生態學等多學科定性分析方法相結合的綜合技術路線,對重慶市小城鎮土地利用的現狀、優化配置、建設用地指標管理、建設用地供給模式以及小城鎮用地制度等進行研究,提出了可持續利用小城鎮土地資源的政策與措施。
  10. Taking the district of lincang in yunnan province as an example, this thesis discusses the sustainable development in undeveloped area through analyzing ecology, economy and society of this area by qualitative and quantitative ways, and we hopes to have a clear knowing about the condition, level and capacity of sustainable development

    本文以雲南省臨滄地區為例,探討欠發達地區的可持續發展。通過定性與定量相結合的方法,從生態、經濟、社會三大子系統出發,對該區的可持續發展條件、能力及水平進行分析。
  11. At last, this paper combines the reasonable distribution of water resources with social economy development and ecology environment protection. from the angle of system analysis, the multi - objective analysis model, macroeconomy model, optimization and simulation water system model are presented. macroeconomy water resource system is optimized and simulated from different time with methods of combining optimization with simulation technology and quantitative with qualitative analysis

    最後將水資源合理配置、社會經濟發展、生態環境保護緊密結合起來,從系統分析的角度出發,建立了王益區水資源合理配置多目標分析模型、宏觀經濟模型和水資源系統優化模擬模型,用優化與模擬技術相結合、定量與定性分析相結合的方法,從不同時間層次上對宏觀經濟、水資源系統進行了優化和模擬。
  12. Then, the part analyses in greater detail the mechanism of forming drought. it thinks the causes of agricultural drought includes human factor as well as natural factor, and human factor acts on agricultural drought in several ways as follow :. water conservancy facilities, ecology environment, crops and plant structure, soil improvement, water and soil conservation etc. the third part is the quantitative analysis about human factor of agricultural drought over last soyears in xiushan county

    這一部分首先概述了秀山縣的自然條件、社會經濟狀況和歷年來旱災發生的特點,然後詳細分析了農業旱災的形成機制,指出在農業旱災的成因中既包括自然因素又包括人為因素,且人為因素主要在水利設施、生態環境、作物及種植結構、土壤改良與水土保持保措施等幾個方面影響旱災。
  13. This article systematically expounds the theoretical analytic model of the urban ecosystem and its coordinated development research by using the theoretical basis of urban ecology environmental material economics, urban economics, urban geography and urban planning. on the basis of these theories, the article analyses the urban ecosystem of dalian city in its structure character and also the interactive relation between the ecosystem and the development of the society with the method of integrating theory and practice and quantitative and qualitative

    本文運用城市生態學、環境資源經濟學、城市經濟學、城市地理學、城市規劃學等基本理論和觀點,系統闡述了關于城市生態系統及其協調發展研究的理論分析範式;並依此為基礎,利用理論與實證相結合、定性與定量相結合等研究方法,系統分析了大連市城市生態系統構成及其特徵,以及生態環境與社會經濟發展之間的相互作用關系。
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