grassland ecosystem 中文意思是什麼
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Carbon stock in grassland ecosystem and its affecting factors
草地生態系統碳儲量及其影響因素 -
In order to realize ningxia ' s sustainable agriculture development, the problems from population, recourse, environment and economic development must be solved ; examples are like population increase, high birthrate, less developing economy, farmers " lower income standard, lack of water, reducing of forest, grassland and farmland and weakness of the ecosystem
寧夏農業要實現可持續發展，必須解決來自人口、資源、環境及社會經濟發展的問題，如人口持續增長，自然增長率高；經濟發展落後，農民收入水平低；水資源短缺，森林、草原、耕地減少和生態系統脆弱等。 -
The decrease in area of meadow grassland and temperate grassland with high production vs. increase in area of desert grassland with low production indicated a dramatic degradation of the grassland in north china and the overwhelming impacts of human activities superimposed on the natural grassland ecosystem
草甸草原面積亦呈逐年減少的趨勢，從1987年的1103km ~ 2減少到2000年375km ~ 2 ，面積減少了65 . 9 。優質高產草原類型面積的減少，以及荒漠類低產劣質草原面積的增加，預示我國北方優良天然草場資源正在急劇退化。 -
The research progress of carbon storage in grassland ecosystem
草地生態系統碳蓄積的研究進展 -
Research progress on evaluating the ecosystem services of grassland
草地生態系統服務價值的研究進展 -
Grassland degradation and ecosystem management in western area of china
草地資源退化與生態系統管理 -
Update progress on grassland ecosystem research in inner mongolia steppe
內蒙古典型草原生態系統定位研究最新進展 -
Characteristics of nutrient cycling in mountainous grassland ecosystem of jian ' ou city
建甌市丘陵山地草地生態系統營養元素循環研究 -
Li bo, zhu tingcheng & hu zizhi. 1980. proper use of pasturol vegetation and management of grassland ecosystem. chinese vegetation, science press, beijing 1080 - 1094
李博，祝廷成，胡自治. 1980 .草場植被的合理利用與草地生態系統的管理.中國植被，科學出版社，北京1080 - 1094 -
The rational utilization of natural grassland, the integrated treatment of degraded grassland and the optimum productive structure of animal husbandry were proper approaches for healthy and sustainable grassland ecosystem and animal husbandry
優化畜牧業產業結構，使草地生態系統步入良性循環，才能使同德縣的草地畜牧業協調發展。 -
Causes for degradation of grassland resources and measures for recovering of grassland ecosystem in gansu province
青海省主要鼠害對草地的危害及其防治 -
With this background, the author, aiming for grassland ecosystem, probes into basic theories of ecological security and relevant problems about evaluation of grassland ecological security based on gis
在此背景下，筆者針對草原生態系統，就草原生態安全基礎理論及其基於gis評價研究的相關問題做了探討。 -
The forest ecosystem and the grassland ecosystem were discussed on the basis of the summarizing literatures and personal practices, their characteristics and functions were analyzed, and the mutual relationship between the forestry and grass in the western china development were evaluated
摘要本文在文獻綜述和個人實踐的基礎上，對森林生態系統和草原生態系統作了描述，分析了它們的特色和功能，評價了林業和草業在西部大開發中的相互關系。 -
This paper expounds the meaning of ecological security, including the international and domestic discussion, the characteristic and research meaning of ecological security, and then expounds the definition of ecological security evaluation and research development on it. on the basis of this, the author puts forward the definition of grassland ecological security, named that within the range of specific space and time, the inherent structures, outside show and function of grassland ecosystem lies in a state that under existing natural environment pressure and social economic pressure and the mankind ' s positive responses, support and influence that its ecological service can offer to mankind ' s surviving and continuous development of society and economy make human life, production, health and development being in security ; at last expounds the principle of grassland ecological security evaluation and introduces some relevant evaluation methods
本文論述了生態安全的涵義，其中包括國際、國內對其定義的探討以及生態安全的特點和研究意義；接著論述了生態安全評價的定義及其研究進展；在此基礎上，提出草原生態安全的概念，即在具體的時空范圍內，草原生態系統的內在結構、功能和外部表現，在現有的自然環境壓力和社會經濟壓力以及人類的積極響應之下，其所能提供的生態服務對人類生存和社會經濟持續發展的支持和影響，使人類的生活、生產、健康和發展不受威脅的一種狀態。 -
In the part of the standard and index system of grassland ecological security evaluation, the author introduces selected principle, founded methods, sources of evaluation criterion and the principle that structures the index system of grassland ecological security evaluation, designs the concept frame of grassland ecological security evaluation learning from that of driving force - psr, and structures the index system of hierarchical structure of grassland ecological security evaluation according to the characteristic of grassland ecosystem and social and economic development of grassland
最後對草原生態安全評價的原理做了探討，介紹了相關的評價方法。在草原生態安全評價的標準與指標體系研究中，討論了評價標準選取的原則、建立方法、來源以及草原生態安全指標體系構建的原則，依據草原生態系統以及牧區社會經濟發展的特點，借鑒驅動力psr生態環境系統服務的概念框架設計了草原生態安全評價的概念框架，並構建了草原生態安全評價指標層次結構體系。 -
The others showed partly decreased, but the degradation of vegetation were obviously in lower reaches of tarim and cherchen river ; in the mountain area of southern xingjian, the forest area were increased, and the others decreased ; in northern xingjian, both the mountain and the plain area increased. they showed the decrease of desert and the increase of oasis ; the change of vegetation cover in the hexi corridor - alax desert were not obviously ; but in chai - damu basin, the area of desert and low cover grassland increased, the others vegetation decreased, especially in the high cover grassland. that showed the great degradation of ecosystem, and the most of degradation was shown in the north hillside of the arjin mountain and qi - lian mountain
而從各個分區來看，情況不盡相同:南疆地區平原區綠洲面積擴大，荒漠面積基本不變，其他類植被面積不同程度縮小，而在塔里木河下游、車爾臣河下游植被退化;南疆山地森林面積略有增加，其他類植被面積略有縮小;北疆的平原區和山區的植被狀況均有改善，表現為荒漠面積縮小，綠洲面積增加;河西走廊一阿拉善地區總體變化不大;但是柴達木盆地的荒漠面積、低覆蓋度草地增加，其他類植被，尤其是甚高覆蓋度植被（草甸）的面積縮小，表明該地區的生態環境退化，而退化表現的主要地區在環柴達木盆地的阿爾金山和祁連山的北坡。 -
From the remote sensing information of huhhot, landscape and ecosystems damaged are very serious. it is showed that farmland, grassland, wetland and urban landscape and ecosystem are damaged by desterification, soiland water loss, salinization pollution and species reduction. so recovery and re - building of landscape ecosystems are fundamental ways to thorough improve ecological environment in huhhot
從衛星遙感解譯信息了解，呼和浩特市景觀與生態系統受損較為嚴重，主要表現為農田、草原、濕地、城鎮等景觀與其它生態系統受到沙化、水土流失、鹽漬化、污染以及物種減少等方面的損害.通過合理規劃、分區分類恢復重建和建設自然保護區、生態示範區、開發潛在資源等措施，可以逐步改善呼和浩特市地區的生態環境 -
The degradation evolution route of the grassland ecosystem in xilin river basin was analyzed utilizing gis techniques from the view of the point of land use / land cover classification of multi - temporal landsat tm / etm + images
從遙感影像的分類結果入手，用gis方法分析了錫林河流域草地系統的退化演化路徑。 -
3 ) evolution route of degradation of the grassland ecosystem in xilin river basin
3 ）錫林河流域草地系統的退化演化分析。 -
Zhu tingcheng. 1979. grassland ecosystem. proceedings of the 3rd grassland science congress in northeast in 1979 1 - 27
祝廷成. 1979 .草原的生態系統. 1979年第三次東北草原科學報告會文集1 - 27
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