退化草地 的英文怎麼說

中文拼音 [tuìhuàcǎode]
退化草地 英文
depleted grassland
  • 退 : 動詞1 （向後移動） retreat; draw back; move back 2 （使向後移動） cause to move back; remove; wit...
  • 草 : Ⅰ名詞1 （草本植物的統稱） grass 2 （指用作燃料、飼料等的稻、麥之類的莖和葉） straw 3 （草稿） dra...
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  • 草地 : 1. （草原） meadow; meadowland; grassland; lea 2. （草坪） lawn; greensward; grassplot
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Grassland degradation, desertification, basification pose great threat on ecological balance. slow development of grassland husbandry cause imbalance in our agricultural structure

    草地退化、沙化、鹽堿化對生態平衡造成嚴重威脅，草地畜牧業滯后使農業結構失衡。
  3. The humankind is troubled seriously by a series of environmental problems, such as air pollution, ozonosphere destruction, glasshouse effect, acid rain, water pollution, land pollution and soil erosion and so on. all of these will stop our economy developing

    大氣污染、臭氧層破壞、溫室效應、酸雨頻繁、水污染、土地污染、水土流失、草原退化、森林急劇減少、珍稀動植物滅絕、沙漠急劇擴大等一系列環境問題嚴重困擾著人類，各種公害接二連三地侵襲人類，再這樣下去，經濟將變成無源之水、無本之木。
  4. The classified result show that the grass land of this region retrogressed badly in 2000 : the appreciable retrogression proportion of the grass land is 15 %, the moderate retrogression proportion is 15 % ; the serious retrogression proportion is 8 % ; the area of desert is 2755. 27km2 and the proportion is 19 %, which had increased about 88. 9 % in eight years

    植被覆蓋度分類結果顯示， 2000年該地區草地退化比較嚴重： 21草地輕度退化， 15的草地中度退化， 8的草地重度退化，土地沙化面積為2755 . 27km ~ 2 ，比1992年增加了88 . 9 。
  5. Economic efficiency analysis of establishing artificial pasture in quot; the black soil type quot; degenerated grassland

    退化草地上建植人工草地的經濟效益分析
  6. The field of taiyangmiao nuresry of trees and grass is an important ecology protecting area in inner monogolia. all of projects in the field, including the water and soil conservation trees, the windbreat of returning farmland to treeland and grassland, are playing a very important role in preventing and decreasing vegetation deterioration, land desertification and sandstorm weather

    星月太陽廟林木種苗培育基地和農業種植基地是內蒙古重要的生態功能保護區，基地內的水土保持林、防風固沙林、速生豐產林、退耕還林還草等林草工程，對防止植被退化、土地沙化、減緩沙塵天氣的發生起到不可忽視的作用。
  7. Function of artificial grassland in restoration of degraded natural grassland and its research advance

    青南退化草地治理中多年生禾本科牧草的利用現狀和對策
  8. A case study in the xilin river basin of inner mongolia showed that this model could quantitatively analyze the degradation degree, risk degree and easy - restoration degree of the grasslands under different optimizing management levels, which was of significance for applying rational measures with pertinence, and beneficial to the optimal allocation of resources during the management of degraded grassland

    結果表明，通過構建退化草地優化管理模型，定量分析流域內不同優化管理等級退化草地的退化程度、危害性和易恢復性，可以有針對性地採取合理的治理措施，有利於退化草地治理中的資源優化配置。
  9. Due to the influence of climate drought and human activities, the ecological environment of qinghai province is in an increasingly grave condition, namely, climate abnormal events occurring frequently, grassland degenerating, ground sanding, glacier shrinking, water level of lakes descending and river runoff decreasing, and so on. in the basis of extensively collecting and analyzing the data of qinghai ecological environmental factors such as climate, water resource and grassland resource etc., the further basic research is performed on the ecological environment characters of main climate factors, surface runoff, water resource, lcc and their correlation to coordinate with the basic, strategic and precursory research for the development of china west part and provide the scientific foundation for corresponding development both ecological environment and social economy, and persistent utilization of natural environment resource

    本研究針對當前在氣候乾旱化和人類活動的共同影響下青海省生態環境中氣候異常事件即氣象災害頻繁發生、草場退化、土地沙化、冰川萎縮、湖泊水位下降和河流流量減少等生態環境退化現象日益嚴重的實際，在廣泛收集和整理青海省氣候、水資源、草地資源等生態環境因子基礎資料的基礎上，對青海的主要氣候要素、地表徑流、水資源、植被的演替及其相互間的關系等主要生態環境變化特徵進行了基礎性的研究。
  10. Effect of enclosure and grazing prohibition on the improvment of deteriorated grassland

    禁牧封育對退化草地的改良效果
  11. By the methods of remote sensing ( rs ) and geographic information system ( gis ), and based on the estimations of degradation degree, risk degree anti easy - restoration degree of degraded grasslands, an ecological management index ( emi ) model of grassland was established to approach the practical ways of optimizing management of degraded grassland

    摘要利用遙感監測和空間信息分析技術，通過對退化草地的退化等級評估、風險度評估以及易恢復度評估，構建了草地生態優化管理指數（ emi ） ，探討了退化草地生態優化管理的實踐途徑；並以錫林河流域為例，分析了退化草地生態優化管理指數。
  12. The study of different deteriorated grasslands showed, although occurring genetic differentiation and reduced genetic diversity, biodiversity in deteriorated population can still maintain a high level. additionally, it had gene exchanges with normal populations. the deteriorated grassland can restore its vegetation as normal if rational management was adopted

    不同退化系列，克氏針茅種群雖發生了遺傳分化，遺傳多樣性略有降低但仍維持較高的水平，且與正常草地間有基因流，只要採取合理的草地利用措施，減輕放牧壓力，退化草地即可恢復，若採取人工補播正常種群種子，將會加快退化種群的恢復進程。
  13. Finally, this paper makes an appraise and policy recommendations to the great projects such as shift grain for forest and green project, shelter forest of three northern areas of china project, and beijing, tianjin sand source cure project, etc

    最後本文對我國退化土地治理比較大的工程項目：退耕還林還草工程、三北防護林工程、和京、津風沙源治理工程等作出評價和政策建議。
  14. Ecological environment of control and sustainable developing of pasture animal husbandry in qinghai province

    青海省黃南州退化草地現狀及治理對策
  15. Due to irrational land utilization, absurd assarting and herding, a series of environmental problems, such as sandy soil, grassland degeneration, soil and water loss, appeared, which severely threatened to survival and development of human being. it was proved that biomic - measure was the radical measure of ecology environment construction and harnessing. thus, a research on choosing a kind of grass, which was good, stronger stress resistance and faster growth velocity, was carried out

    黃土高原半乾旱區多年來由於不合理的土地利用和濫墾濫牧等現象，致使土壤沙化，草地退化，水土流失等一系列生態環境問題嚴重威脅著人類的生存與發展，多年的研究已證明，生物措施是生態環境建設與治理的根本性措施，因此，針對目前的自然現狀，選擇抗逆性強、生長快、生產中急需的優良牧草進行了定位試驗研究。
  16. Soil nitrogen regime and the relationship between aboveground green phytobiomass and soil nitrogen fractions at different stocking rates in the xilin river basin, inner mongolia

    退化草地恢復過程中土壤氮素狀況以及與植被地上綠色生物量形成關系的研究
  17. Basis on the statu quito, the basis of the selecting title, the main theoretical foundations and the researching approachs, the thesis analyses the advantage of the development animal husbandry and the existing questions in jiuquan oasis. the author thinks the restricting factors in animal husbandry development are the limited meadow area, the serious soil erosion, the land determinations, the worse management regime, the severe hazard on mice, the fluctuating product in meadow and so on. and then the author has appraised the ecological fragility in jiuquan oasis

    論文在論述了酒泉綠洲畜牧業的研究現狀、選題依據、主要理論基礎及研究方法的基礎上，分析了酒泉綠洲畜牧業發展的有利條件，認為人工、半人工草場面積小，水土流失嚴重，土地退化，草畜比例失調，草場退化，草原管理制度不健全，鼠害猖獗，牧草產量年度變化大，產草量和草場利用季節不平衡，生產經營理念落後，成為酒泉綠洲畜牧業發展存在的主要問題，並對酒泉綠洲的生態脆弱性進行了評價。
  18. Rodent and pest accelerated the serious situation

    只有合理利用和保護天然草地，綜合治理退化草地
  19. The emi model could integrate most concerned information, which made it applicable widely

    該模型能整合退化草地的各種相關信息，具有較強的普適性。
  20. Analysis on the losses of grassland degradation and its strategies of sustainable use in shanxi province, china

    人工草地在退化草地恢復中的作用及其研究現狀
分享友人
分享到 Line

分享到臉書