ecosystem type 中文意思是什麼

Until now there are contradictorily results regarding the dominant soc stabilization mechanisms, possibly depending on factors, such as ecosystem and soil type, soil depth, soil managements, as well as soil biological activity and community composition

至今，有機碳穩定性的主導機制尚不清楚，但影響因素與生態系統類型、土壤類型、土層深度、土壤管理措施、土壤生物活性及群落組成等有關。

The ecosystem service functions of gansu is analyzed from six facts, such as grassplot ecosystem, forest ecosystem, watershed ecosystem, farmland ecosystem, desertification ecosystem and city ecosystem. this thesis simulates a latent ecosystem using vegetation type map to explain preferably how landscape pattern impacts the service function of ecosystem. the unit price of every service function is known by annual average value schedule of global ecosystem service function

為了更好地說明景觀格局變化對生態系統服務功能的影響，通過植被類型圖模擬了潛在生態系統，根據全球生態系統服務功能的年平均價值一覽表查得各服務功能單價值，將其服務功能價值進行計算並與現實生態系統服務功能價值進行比較得出：由於現實生態系統人為的干擾作用，使得生態系統服務功能價值降低了1022 . 85 10 ~ 6美元。

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。

Ecological features, function indicators and social - human impact together constitute the fundermental system of regional ecosystem health assessment. haxi forestry center is located in tianzhu of gansu province. in view of the natural conditions, land use type and forest map, we classify the research area into 15 landscape types

甘肅天祝縣哈溪林區位於祁連山東段，依據哈溪林區的自然條件、土地類型和林相圖，將研究區劃分為苗圃，未成林地，宜林地，農田，牧草地，荒地，青海雲杉林，祁連圓柏，針葉混交林，楊類闊葉林，紅樺、榆、山楊硬闊林，針闊混交林、灌木林、疏林地和闊葉混交林等15種景觀類型。

Based on the enviroment of the nandagang wetland, combining the outside investigation and inside analysis, adopting the mathematical analysis methods such as the principal component analysis ( pca ), regression analysis, correlation analysis etc. the type of wetland ecosystem, the flora of the wetland plant, the type, the function, the formation and succession and the outside influencial factors of the vegetation, the ecological conditions and biomass of the reed population are all studied. the main results can be concluded as follows : 1 ) the nandagang wetland is a freshwater one close to the bohai sea. its ecosystem can be divided into two parts : natural ecosystem and semi - artificial ecosystem

本研究從南大港濕地的實際環境出發，採用樣方調查的方法，以外業調查和內業分析相結合、野外採集測量與實驗室分析處理相結合、定性描述與定量分析相結合為根本研究路線，應用主分量分析（ pca ） 、回歸分析、相關分析等數學分析手段，對南大港濕地生態系統的類型、濕地植物的區系組成、濕地植被類型、植被的功能、植被的形成和演替、植被的外界影響因素、濕地蘆葦種群的生態條件和種群生物量等方面進行了較深入的研究，主要研究結果如下： 1 ）南大港濕地是濱海瀉湖型淡水濕地。

Under the basic assumption premise of people are the type of economic person with limited reasonableness but pursuing self - interests to maximize and a almost steady condition of geology and climate in mankind ' s history, by building up a model of " the behavior of the ecosystem environment - system - person ”, i analyze the interactive relation between the institution transition and ecosystem environment transition and put forward a hypothesis about that institution transition affects the ecosystem environment transition

在人是追求自身利益最大化的有限理性經濟人和氣候、地質條件在人類歷史時期基本穩定的基本假設前提下，通過建立一個「生態環境? ?制度? ?人的行為」的模型來分析制度變遷和生態環境變遷之間的互動關系，並提出一個關于制度變遷影響生態環境變遷的假說。

Because of last a century industry revolution is with the technology creative since behave type history precept for educating the glorious material civilization of with spiritual civilization, again making the nature ecosystem the environment suffering the bigness wound ; face with the large quantity that economic development mode consume the nature resources, break the ecosystem environment to price to give the our country small town developments of a nice bit of inside the negative influence that bring before, if over - emphasize in the moment economic " performance ", the regardless of farsighted ecosystem is equilibrium, and escape from to be the ground seriously economy, culture foundation with same mode of term, blindness mimicry of nature geography, because of but cause the native special features and traditional culture to lose, image one, thousand an etc. of cities ; with the same mode of term, blindness mimicry of nature geography, because of but cause the native special features and traditional culture to lose, image one, thousand an etc. of cities ; people who reply 21 century pursue the whole body heart the health the life style that develop relation towards publicly exist with movable environment request more and more of high and rigorous challenge, this lesson " inside small town environment design way of thinking research ", then " insist put can into practice keep on develop strategy, exactitude handle economy with population, resources, environment, improvement ecosystem environment with beautify to live the environment, improvement public facilities is with the social welfare facilities. found to produce the development hard, life wealthy with the leading that the good civilization of ecosystem develop the road " for total thought, then " unify programming, reasonable layout, is proper because of the ground system, each have special features, protect farmland, beautify environment, synthesize development, kit developments " for the basic way, regarding related research result of domestic and international expert ' s scholar as draw lessons from, then " create to set up clean, beautiful, quite and public environment, outstanding character image, expand the region ecosystem the vogue, and promote the economic society and environment can keep on developing, and realize the economy develop to win with environmental protection double " for design the target

鑒于上一世紀產業革命和科技創新既為人類造就出輝煌物質文明和精神文明，又使自然生態環境遭受到巨大創傷的歷史教訓；面臨以往以大量消耗自然資源、破壞生態環境為代價的經濟發展模式給我國相當多的中小城鎮建設帶來的負面影響，如偏重眼前經濟「效益」 ，不顧長遠生態平衡，嚴重脫離當地經濟、文化基礎和自然地理條件，盲目模仿同一模式，因而導致本土特色與傳統文化喪失，形象單一，千城一面等；應對21世紀人們追求全身心健康發展的生活方式對公共生存與活動環境要求越來越高的嚴峻挑戰，本課題「中小城鎮環境設計思路研究」 ，以「堅持實施可持續發展戰略，正確處理經濟同人口、資源、環境的關系，改善生態環境和美化生活環境，改善公共設施和社會福利設施。努力開創生產發展、生活富裕和生態良好的文明發展道路」為總的指導思想，以「統一規劃、合理布局、因地制宜、各具特色、保護耕地、優化環境、綜合開發、配套建設」為根本方針，以國內外專家學者相關研究成果為借鑒，以「創建清潔、優美、寧靜的公共環境，突出個性形象，弘揚地域生態風尚，促進經濟社會與環境可持續發展，實現經濟發展與環境保護雙贏」為設計目標。並緊緊圍繞這一目標對中小城鎮的街區環境設計、建築特色設計、建築形象設計、自然環境設計、藝術形象設計、廣場景觀設計、住宅小區設計、生態環境設計、文化建設以及總體環境設計的定位等，展開了具體的思路研究與探討。

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

Farmland ecosystem is not only a man - made type of terrestrial ecosystem, but also important sources and sinks of ghgs. farmland ecosystems, on the one hand, absorb a great deal of carbon through photosynthesis and anthropogenic impacts, on the other hand, give out ghgs through agricultural producing processes and respiration of crops and soil

農田生態系統是重要的溫室氣體源和匯，一方面通過作物光合作用和人為途徑吸收大量的碳；另一方面通過作物和土壤的呼吸作用以及各種途徑的人工投入過程間接釋放碳。

As most eminent degraded ecosystem type in china and even in the earth, the karst ecosystem has degraded most evident and has the most abroad influence

作為我國乃至全球生態問題最突出的典型- - - -巖溶生態區，其生態退化表現最為明顯，影響也最為廣泛。