area of water and soil loss 中文意思是什麼

area of water and soil loss 解釋
水土流失面積
  • area : n. 1. 面積；平地；地面。2. 空地；〈英國〉地下室前的空地。3. 地區，地方；〈比喻〉區域；范圍。
  • of : OF ＝Old French 古法語。
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  • loss : n. 1. 喪失；丟失，遺失。2. 減損，損失，虧損（額）；損耗；減少，下降。3. 失敗；輸掉。4. 錯過；浪費。5. 損毀；【軍事】傷亡；〈pl. 〉 傷亡及被俘人數。
  1. Application of etm spot 5 syncretized satellite image to soil and water loss survey of mining area

    5融合衛星影像在礦區水土流失調查中的應用
  2. We have extended our research on rocky desertification, provided solid theoretical and technical basis for the control of rocky descrtification and established successful rehabilitation model with chinese characteristics such as integrated control of small drainage area, returning cultivated land to forestry and grass, production of both animal and grass, changing slope to terrance in order to prevent water loss and soil erosion, aiding the poor byway of environmental immigration and development and improving representative fragility ecology, etc

    貴州對喀斯特石漠化生態環境進行了長期、持久的研究，為石漠化治理提供了堅實的理論基礎和有力的技術支撐，形成了具有中國特色的成功治理模式：包括小流域綜合治理模式，生態農業模式，退耕還林還草、林草結合的草、畜（禽）生產模式，草地畜教業模式，坡耕地防治水土流失的坡改梯模式，環境移民與開發式扶貧模式，典型脆弱生態環境綜合治理模式等。
  3. In the area of watershed between the yangtze river and the huaihe river, there are a series of ecological environmental issues, such as fragile forest ecosystem, frequent drought damage, lake of water resources, serious soil and water loss and contamination by chemical fertilizer, pesticide and plastic membrane

    摘要分析了江淮分水嶺地區存在的森林生態系統脆弱，易旱多災，水資源短缺，土壤貧瘠，礦山開采過度，水土流水嚴重，化肥、農藥、農膜等農業化學品污染嚴重，農村生態環境退化等生態環境問題。
  4. The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor, gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity. the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion. according to investigation, surface erosion area occupies 80 % or so or erosion area, in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area

    研究結果主要包括： （ 1 ）巫溪縣生態退化特徵表現：作為生物生長基質的部分土壤薄而貧瘠，保水保肥能力差，部分地區基巖裸露，土壤的不斷退化導致植物種多樣性減少，植物種群結構逐步由復雜趨向簡單化；縣內水土流失的類型主要包括面蝕和溝蝕兩大類，據調查，面蝕面積占侵蝕總面積的80左右，其中坡耕地面蝕佔耕地侵蝕面積的70左右。
  5. Furthermore, on the basis of consultancies, inquiries and evaluations from multiple sources, the model for predicting soil and water loss in dandong - zhuanghe highway construction is developed. moreover, considering the characteristics of the highway, the covering area of the project is divided into three parts such as main body area, soil - fetching area and soil - spoiling area. for these three preventive areas, the perfect precaution measures for preventing and curing the soil and water loss during the road construction in which a number of vegetal cover measures are taken

    論文中詳細調查並介紹了項目情況及沿線自然、社會經濟狀況；收集研究了公路建設項目水土流失預測的基本內容和方法，在多方查詢、請教專家及分析研究的基礎上，提出了丹莊高速公路水土流失預測模型，針對項目不同區域進行了水土流失預測和分析，為水土保持措施的設計提供了定量依據；論文根據高速公路項目的特點，將丹東至莊河高速公路項目區分成了主體工程、取土場、棄土場三個水土流失防治區，並在初步設計文件的基礎上，針對三個水土流失防治區進行了較為完善的水土保持防治措施設計；論文在丹東至莊河高速公路水土保持方案設計中大量採用了植被防護措施，為了更有力地指導植被措施的施工，論文中還就植被保持水土的有效性進行了研究探討。
  6. The aim of the research was to probe into the course in which the different plants and different cropping patterns in the purple soil area can prevent the loss of soil and water and improve the soil fertility and the ecological environment, further to offer reference for improving the cropping structure and agricultural ecological environment

    研究目的在於探討紫色土丘陵區不同作物及不同種植方式對防治水土流失、提高土壤肥力、改善生態環境的作用，從而為區域內優化種植結構、改善農業生態環境提供參考。
  7. The degraded ecosystems include : > 25 dry land, mountain dry land, low density forest, grassland of low cover rate or moderate cover rate, all of which are the sources of soil and water loss. the low intensity of soil and water loss accounts for 55 % of the project area, the moderate for 23 %, and fierce for 12 %

    早地、山區早地、疏林地以及低、中覆蓋度草地，也是水土流失主要的策源地;其水土流失的強度也表現出微度侵蝕占項目區的55 % ，中度侵蝕佔23 % ，強度侵蝕佔12 % 。
  8. A study on soil erosion and water loss prediction of highway construction in pisha sandstone area

    砒砂巖地區公路建設水土流失研究初探
  9. The features of the red soil of the polang lake and its surround economic area are presented, the problems of red soil in exploitation are discussed, such as irrational use, soil and water loss, unreasonable distribution, single production, poor management, low forestry production level, lack of soil amelioration and low production

    摘要論述了鄱陽湖及周邊經濟區紅壤的基本特徵，討論了紅壤在開發利用中存在的主要問題：利用不合理，造成水土流失；布局不合理，生產單一化很突出；經營管理不善，林業生產水平很低；耕地缺乏培育，產量低而不穩。
  10. Study on soil and water loss and dynamic of soil water of citrus orchards in demonstration area of environmental migrants, northwest guangxi

    桂西北環境移民示範區柑橘園水土流失及土壤水分動態研究
  11. With the comparison of potential ravine and real ravine, it can reflect the developing tendency of ravine in this area. through positioning with gps and investigation in this area, we can divide the potential ravine of this area into three forms, that is parallel ravine area steep ripe ravine area and evenness swamp area. it can provide scientific reference for forest management and tree planting, and it is a new theory to prevent soil and water loss, and carry through the ravine controlling by people

    在數字化生成的帽兒山地區dem基礎上，通過二次開發生成的潛在溝系，具有與現實溝系高度的吻合性，並通過與現實溝系的比較，能客觀的反映出該地區溝系發生、發展的趨勢，藉助于gps的定位及實際踏查研究，可將帽兒山地區的潛在溝系劃分為平行溝系區、陡坡顯溝區和平坦沼澤區三種類型，可為合理的森林經營和植樹造林提供科學的借鑒，並為防止水土流失，進行溝系治理提供了新的理論依據。
  12. With the people ' s transporting of three gorges area the reclamation ratio of steep slope sloping plantation has increased to 43. 7 %, however, it is a unquestionable fact that the three gorges region ' s slope cultivated land is the major material resource of water and soil loss

    42萬ho ，而山地面積占這一區域的74 。隨著移民搬遷，使陡坡地的耕墾率已高達43 7 ，而三峽地區坡耕地是水土流失的主要物質來源己是無可爭議的事實。
  13. The landscape diversity index, dominance index, patch average area and patchiness have changed respectively from 1. 72 to 1. 886, 0. 139 to 0. 359, 3. 220 to 3. 103 and from 27. 361 to 26. 878 in different time from 1986 to 2000, which shows that the degree of landscape fragmentation has increased. such increase reflects severe interference of humankind. the result also shows that the spatial pattern of urban landscape has many problems such as unreasonable distribution, single configuration, reduced connectedness, increased fragmentation, decreased types of natural landscape and increased loss of soil and water

    將1986年的指數與2000年的指數進行比較發現，景觀的多樣性指數和優勢度指數都增加了，分別由1 . 72增加到1 . 886和由0 . 193增加到0 . 359 ；而平均斑塊面積和景觀鑲嵌度指數都減小了，分別由3 . 22減到3 . 103和27 . 361減為26 . 878 。
  14. The disaster of drought and waterlog is severely and frequently, the water and soil loss and rock desertification is increasing, the subsidence is happened at some ground, the bio - diversity decrease, the vegetation and soil evolve conversely, the productivity declines, the people lives in difficulty, and the most phenomenon and types of ecological problem are concentrated in karst area. to strengthen studies on karst ecological characteristics and degradation types can provide gist for ecological rehabilitation and reconstruction in karst area, but also can provide means for reference for other ecology area

    嚴重而頻繁旱澇災害、水土流失、石漠化現象加劇、地面塌陷、生物多樣性喪失、植被與土壤出現逆向演替、生產力水平降低、人居生活困難等，集中了全球生態問題的主要表現和主要類型；因此，加強對巖溶區生態特徵和退化類型的研究，不但能為巖溶區生態的恢復和重建提供依據，也為其它生態區的研究提供方法借鑒。
  15. The study outcomes show that the soil conservation benefit gained through typical conservation measures for the upper stream of miyun reservoir is 62. 7 % and benefit of pollutant loss reduction between 25 % 40 % and ; the typical measures exert remarkable function on the aspects of area - source pollution control and water source protection

    研究結果表明：水庫上游典型水保措施的保土效益達62 . 7 % ，減少污染物流失效益在25 % ~ 40 %之間；典型水保措施在減少入庫泥沙、減少進入水體的污染物等控制面源污染和保護水源方面發揮了顯著的作用。
  16. The results showed that : total area of soil and water loss decreased after 1987, but area of strong erosion grade increased and new man - made soil and water loss accelerated ; 9 of the total 11 regions in zhejiang showed the same changing tendency as the whole province

    結果表明： 1987年以後水土流失總體上有所好轉，水土流失總面積減少，但強度以上的流失面積有增加趨勢，新的人為水土流失未得到有效控制，且有加速趨勢。
  17. Water loss and soil erosion prediction and analysis of neimenggu expressway construction in pisha sandstone area

    內蒙古砒砂巖路段建設水土流失預測與分析
  18. Impacts of the project on vegetation, soil, and patterns of land use will influence the regional ecosystem. large area of cultivated lands, forests, shrubs, and other natural communities will be submerged when the project is built, which will inevitably result in loss of species diversity of plants and animals and their habitats. furthermore, climate may be changing because making of large area of water due to building of the dam

    工程會對區域生態系統產生影響，其表現形式是通過對植被、土壤和土地利用格局的影響，影響區域自然生態體系的生態完整性；還會造成部分森林植被的淹沒、野生動植物多樣性及其生境的喪失、以及大面積水域形成后可能對當地一定區域內的氣候產生影響。
  19. Water and soil loss of this area is most serious

    這個地區水土流失最嚴重
  20. There is no any drainage works, no garbage disposal area so that garbage rush away anywhere in rainfall time, no hardening of road and no afforestation in these villages, allmentioned above are the main reasons for severe soil and water loss

    村內村外未建排水設施，村裡不設垃圾處理場，大雨時垃圾四處流散，路面未硬化，村莊未綠化，是造成嚴重水土流失的主要原因。
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