forest coverage 中文意思是什麼

forest coverage 解釋
森林覆蓋率
  • forest : n. 福雷斯特〈姓氏，男子名〉。n. 1. 森林，山林。2. （英國）皇家狩獵場。vt. 在…造林；使長滿樹林，使成為森林。
  • coverage : n. 范圍，規模，總額；〈美國〉保險額；保證金，現金準備；〈美國〉（新聞）報導（范圍）；【植物；植物學】優勢度。 coverage diagram 【航空】搜索范圍。
  1. The thesis is based on income question, forest coverage rate and grop production. to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan - bei district, and then in view of the fact, seven esential factors which have influence on the project are found out : expense of dam, expense of crop, expense of cash tree, expense of defense tree, other economic crop, expense of grass and graziery ; and the output factors include : income of gdp, pure income per captia, the area of decreasing land loss, graziery income, crop production, income of tree, the totle income of economic crop. after the date of each facts are puted into dea model, unefficiencial decision making units ( dmu ) found. the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure. at the same time, taking into account some possible problems in or after grain for green in shan - bei district, the thesis bring out some propesal to improve the circ umstance, enhance the life level and put the relation of population, resource and circumstance into a healthy orbit

    因此，加快退耕還林還草，調整土地利用結構和產業結構，已成為實現山川秀美工程和可持續發展戰略的必經之路。論文以解決陜北地區的收入問題，植被問題以及糧食產量問題為出發點，首先從理論上分析了包絡分析方法在陜北地區退耕還林（草）中運用的可行性，然後結合陜北地區目前的實際情況，綜合分析出影響陜北地區退耕還林（草）的關鍵的七個因素作為輸入指標：水利水保設施投入，農作物投入，經濟林種支出，防護林支出，其它經濟作物，草類支出，畜牧業投入；以退耕還林所要解決的最終問題作為輸出指標： gdp收入、農民人均純收入、水土流失減少量、牧業總產值、糧食產量、林業總產值、其他經濟作物總產值。將各指標所對應的數據代入模型后，通過分析求解得出非有效的決策單元，再運用包絡分析方法的一些基本原理對非有效的決策單元進行調整，由此所得的數據對陜北地區的實際投入具有很好的指導意義。
  2. In this paper, on the basic theories foundation study of summary people of the past, aiming directly at whether the shelter forest can deposit the sand and how powerful it can. we select the oasis in ulan buh desert as the study plot, and study the function of the shelter forest reduce the " sand " and " dust ". we draw the following conclusion. first, in the fixed and semifixed sand lands, which grow the natural sand - binding plants, the coverage of plant in the fixed and semifixed sand land is 26. 4 % and 10. 3 %, respectively, the amount of sand drift decrease 93. 38 % and 81. 91 % comparing with the migratory sand land which have no plant coverage in the same wind speed and the range of 0 - 40cm above the ground

    本文以前人的研究為基礎針對「防護林體系是否有降解作用，有多大的降解作用」這一問題以烏蘭布和沙漠邊緣的防護林體系為研究對象，研究了防護林體系對「沙」 、 「塵」的降解作用，得出以下結論： （ 1 ）在距離地表0 - 40cm范圍內，同一風速下生長有天然固沙植物，植被蓋度分別為26 . 4 、 10 . 3的固定、半固定沙地上，地表起沙量分別比無植被生長的流動沙地降低了93 . 38 、 81 . 91 。
  3. The whole municipality has a forestland of 1. 27 million hectares, a live stumpage of 64. 65 million cubic meters and a forest coverage rate of 71 %, ranking first in guangdong province

    全市有林地面積127萬公頃，活立木蓄積量6465萬立方米，森林覆蓋率達71 % ，居全省第一。
  4. In the control, even light rain could bring soil and water losses. while for orchard and costarica henryi forest, runoff and sediment yield both reduced greatly. regarding to chinese fir and enclosing and tending forests with favorable vegetative coverage, minimum soil and water losses were produced even by the rainstorm

    裸露地（對照）小雨時也可能產生水土流失，而大雨以上降雨會產生嚴重水土流失；具有一定植被覆蓋且採取水土保持措施的果園和錐栗林的徑流量和泥沙量大幅度減少；而植被覆蓋良好的杉木林和封山育林地即使大雨以上降雨也僅產生極輕微的水土流失。
  5. However, there exist a variety of serious problems we are confronted with like environmental deterioration, a decrease in forest coverage, decertification, exhausted diversified living beings and environmental pollution

    森林面積減少、土壤沙化、生物多樣性的破壞、環境污染等成為我們面臨的嚴重的環境問題。
  6. In the meanwhile, the best community that was picked out from natural deciduous broad - leaved forest was taken as contrast. and the hight, dominance, soil fertility, coverage, composition and biomass of the community were used as community characteristics parameters to comprehensively evaluate the restored degree of communities at different restoration stages

    同時，在天然闊葉落葉林中選取一個最佳群落作為參照，運用群落高度、顯著度、土壤肥力、蓋度、組成結構和生物量6個指標為群落特徵參數，對各個階段群落恢復的程度進行了綜合的評價。
  7. Through interpreting the tm images and extracting the forest coverage of hetian district, the cutting of simulation maps was completed with the help of arcgis software, and the a. cinerarius population distribution in concrete forest patchs was thus displayed

    通過tm衛片解譯提取和田地區森林圖層，在arcgis中完成對插值模擬圖的切割，從而把春尺蠖種群動態的年際分佈顯示在具體的森林斑塊內。
  8. It is shown that forest coverage rate, crop replanting index and unit labor input have significant effects on soil erosion

    研究發現，森林覆蓋率、作物復種指數以及單位勞動投入等因素對土壤侵蝕作用顯著。
  9. Xiao yun : this park is also a paradise of plants and animals. the forest coverage rate is 90 %, with more than 1200 kinds of plants

    小雲：雲蒙山還是一個動植物的天堂。森林覆蓋率是90 ，有1200多種不同的植物。
  10. People ' s governments at various levels shall take measures to organize the masses to plant trees, protect forests and prevent fires, control plant diseases and insect pests in the forests, protect forest lands, checked up denudation and illegal felling of trees, and increase the forest coverage

    各級人民政府應當採取措施，組織群眾植樹造林，護林防火，防治森林病蟲害，保護林地，制止濫伐、盜伐森林，提高森林覆蓋率。
  11. In the agricultural total output value internal structure, output value of forestry and animal husbandry occupy 80 % of it, and realize fully exploitation and utilization of the superiority environment factors ; in the crop planting output value internal structure, the economical crop output value occupy 51. 18 % of it, and give prominence to develo pment of the regional superiority ( resource superiority ) and characteristic agriculture ( chinese medicinal materials etc ) ; in the animal husbandry output value internal structure, the grass - eating animals output value ( including rabbit output value ) occupy 84. 55 % of it, thereinto, the rabbit output value occupy 66. 2 % of it, and realize operation of large scale ; enhance meat, egg and milk per person ( increase proportion of beef and mutton, reduce proportion of pig ), and reduce grain per person and oil plants per person, and enhance forest - coverage rate, source of manure index etc, and enhance ecological benefit

    到2020年時農業總產值達到了2000年的2 . 75倍，人均產值達2753 . 42元，是2000年的2 . 39倍，總產值內部，林業和牧業產值佔80 ，充分實現了優勢環境因子的開發利用；種植業內部，經濟作物產值佔51 . 18 ，突出了區域優勢（資源優勢）和特色農業（中藥材等）的發展；牧業內部，草食畜產值（含兔）佔84 . 55 ，其中兔產值占牧業產值的66 . 2 ，實現了規模化經營；提高了人均肉蛋奶佔有量（其中增加牛羊肉比重，降低了豬肉比重） ，降低了人均糧食和油料佔有量，同時還提高了森林覆蓋率、肥源指數等指標，從而提高了生態效益。
  12. The main causes are the enhancement of government ' s and people ' s protection consciousness on forests and enhance the coverage of the forest by strengthen planting

    黃土區面積的減少主要因為政府和人民保護森林意識的增強，並且加強植樹造林而使森林覆蓋率大幅度提高的結果。
  13. On the foundation of further investigation of luc and human driving forces in different economic zones of chongqing, we can draw the following conclusions : ( 1 ) luc tend towards being optimized in beibei and wanzhou, the urban scale expanding, the land used for water conservancy projects and traffic increasing, unused land reducing, the coverage rate of forest improving to some extent

    在對重慶不同經濟區土地利用變化及其人類驅動力深入研究的基礎上，從本研究可以得出如下研究結論： （ 1 ）北碚區和萬州區的土地利用變化的方向是趨于優化，城鎮規模擴大，水利設施和交通用地增多，未利用土地減少，森林覆蓋率有所提高。
  14. The main causes resulting in the ecological issues were analyzed in terms of geological conditions, climate factors, forest coverage and soil conditions

    從地質條件、氣候因素、植被覆蓋以及土壤條件等方面對該地區的生態環境問題成因進行了探討。
  15. The author analyzed forest coverage ratio, forest space per person, public forest space per person, ecological forest coverage ratio, forest space distribution and synthesis ecological value of kunshan city at the different phases according to the method of forest ecosystem services, social - economic - natural complex ecosystem theory, ecological planning principles, and the planning of kunshan city forest ecosystem

    摘要運用森林生態系統生態服務功能評價的方法，依據社會經濟自然復合生態系統理論和生態規劃原則及崑山市森林生態系統規劃的要求，對崑山市森林覆蓋率、人均森林面積、人均公共森林面積、公益林所佔比例、森林均勻度、綜合生態價值6個指標分階段進行了分析。
  16. This paper descripts the present situation of the ecological environment in fushun city, including the high forest coverage, the unreasonable ecological structure, the influenced ecological function, the mine developing destroyed the deterioration ofecological balance seriously, the deterioration of ecological environment of mining area ; the coverage rate of nature reserve is relatively high1 but bio - diversity is still threatened seriously ; agriculture ' s ecological problem is severe ; soil erosion is serious ; the arrangement in the finished area is disorderly, the green land system is scarce of inconnective

    摘要撫順市生態環境現狀： （森林覆蓋率較高，但生態系統結構不合理，生態功能的發揮受到影響；礦產開發嚴重破壞生態平衡，礦區生態環境惡劣，歷史欠帳大；自然保護區植被覆蓋率較高，但生物多樣性仍遭受嚴重威脅；農業生態問題嚴峻；水土流失嚴重；建成區布局紊亂，綠地系統缺乏連通性。 ）
  17. Moreover, it can be widely used in other fields, forest coverage rate analysis for example, as the component is based on the entity model, and it can also be used in the development of webgis

    同時由於該查詢組件的功能設計建立在實體模型的基礎上，因此可以將其應用到森林覆蓋率分析等其他眾多應用領域，以及用於網路環境下webgis的開發中。
  18. Despite boasting the world ' s highest forest coverage at 69 percent, japan imports all 25 billion pairs of disposable chopsticks it consumes every year

    盡管鼓吹有世界最高的森林覆蓋率，日本每年消費的250億雙一次性筷子全部依靠進口。
  19. The species can only be found at altitude 400 - 1000m in the beauty spot of bei jiu shui of mountain lao, and lives in patchy habitats. the habitat is located at the shade slope or semi - shade slope where the forest coverage was developed well and the sunlight and soil humidity can meet the needs of the species

    調查結果顯示，目前青島百合集中分佈地僅次於嶗山北九水以南，海拔400 1000m的區域，植物一般生長于陰坡或半陰坡的森林中，說明青島百合的生長發育既需要較為充足的水分供應，又必須保證足夠的光照。
  20. Forest coverage of the whole county is 787, 000 ha, is 87. 5 % of the total area of the county

    全縣林地面積78 . 7萬公頃，佔全縣總面積的87 . 5 ，活力木蓄積量7205萬立方米，年可提供商品木材40萬立方米。
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