防護林 的英文怎麼說

中文拼音 [fánglīn]
防護林 英文
forest for erosion control
  • : Ⅰ動詞(防鷥) provide against; defend against; guard against Ⅱ名詞1 (防守; 防禦) defence 2 (堤...
  • : 動詞1. (保護; 保衛) protect; guard; shield 2. (袒護;包庇) be partial to; shield from censure
  • : 名詞1 (成片的樹木或竹子) forest; woods; grove 2 (聚集在一起的同類的人或事物) circles; group 3...
  • 防護 : protect; shelter; shield; guard; shielding; protection; proofing
  1. Technique of afforesting artificial protection forest by making ground into wide platform

    臺式整地營造人工防護林技術
  2. 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(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(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、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。
  3. Structure and microclimate effects of shelter - belt on farmland in ningxia

    寧夏地區農田防護林結構與小氣候效應
  4. Some particular measures to be taken are as the followings : ( 1 ) to establish a uniform harmony mechanism in the river basin in order to have a general plan for wetland protection and utilization ; ( 2 ) to combine the existing protection districts according to lake drainage area and species distribution, and to construct new wetland protection region in order to solve problems in management districts ; ( 3 ) to develop wetland restoration and reconstruction ; ( 4 ) to carry out reforesting in formerly cultivated land and to construct shelter forest of the yangtze river in order to control soil erosion and to preserve the water resource ; ( 5 ) to protect and utilize reasonably the wetland resources in the middle and lower reaches of the yangtze river ; ( 6 ) to strengthen the research of wetland science

    具體可採取以下措施:在流域內建立統一協調機制,對流域濕地進行保與合理利用,合理布局,統一規劃;按湖泊流域和物種分佈整合現有保區,建立新的濕地保區,解決目前管理上的制約問題;大力開展濕地修復重建;推進退耕還、長江防護林等工程建設,發揮森治理水土流失、涵養水源的作用;在保的前提下科學合理地利用長江中下游濕地資源,開拓新的生產力;同時加強濕地科學研究。
  5. The shelterbelt kept the sand in check.

    防護林帶擋住了風沙。
  6. 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 。
  7. The study tours covered reginas shelter belt research institute, the indian head research center, community pastures, saskatoon irrigation diversity research center, the agriculture research center at saskatchewan university, the swift current research station, lethbridges irrigation demonstration farms and research center, the alberta research institute, the elerslie research farm, the lacombe research stations, the western beef group, transaltas coal mine land reclamation project and some typical farms and pastures

    參觀考察了位於里賈納的防護林研究中心印第安海德研究中心社區牧場薩斯卡通灌溉多樣化研究中心薩斯喀徹溫大學內的聯邦農業部農業研究中心斯威夫特卡倫特研究站萊斯布里奇的灌溉示範農場萊斯布里奇研究中心阿爾伯塔省研究院elerslie研究農場拉康姆豬研究站和西部肉牛小組transalta煤礦復墾項目以及一些典型的農牧場。
  8. A study on the synthetic effect of pastureland shelterbelt

    草牧場防護林綜合效益研究綜述
  9. Thoughts and views of the three north shelterbelt program

    對三北防護林體系工程的思考與展望
  10. Studies on the establishment technology of pastureland shelterbelt

    草牧場防護林營造技術的研究
  11. Shelter structure and effect of farmland shelterbelt in sand - drift area in yulin

    陜北榆風沙區農田防護林結構配置與效益研究
  12. Evapotranspiration of medicago sativa l. under poplar shelterbelts in maowusu sandy area

    毛烏素沙地楊樹防護林內紫花苜蓿蒸散耗水規律的研究
  13. Overall thinking of sand control of the three north shelterbelt during the state ' s eleventh five - year plan period

    期間三北防護林工程沙治沙的總體思路
  14. Abstract : the park design is about the renovation and enlargement based on an old shelterbelt in the suburb

    摘要:這是一個依託城郊老舊防護林帶進行更新擴建的公園設計。
  15. Soil conservation effect of reformed low beneficial protection forest

    低效防護林改造的保土效益
  16. Effects caused by planting windbreak eucalyptus forests in zhanjiang nongken areas and relevant countermeasures for development

    湛江農墾營造桉樹防護林的成效與發展對策
  17. By analyzing on nature, society and economy conditions as well as distribution characteristics of sand source in the lower lhasa river valley, put forward a series of comprehensive renovation scheme to harness sand sources, mainly including dredging channel, planting farmland shelter - forest network, constructing arbor - bush - herb shelter forest and shifting sand stabilization, this scheme will not only control blown - sand threat, and improve local ecological environment ; at the same time, also lay the strong foundation for enlarging lhasa city space and effectively utilizing local resource, embody a sustainable thought on how to make comprehensive renovation in high cold valley region

    摘要在深入分析本區自然社會經濟條件和風沙源分佈特徵基礎上,提出把拉薩河下遊河道疏浚與風沙源治理相結合,以河道疏浚、農田防護林、喬灌草和流沙固定等物理工程、生物和機械措施為主體,進行風沙源綜合整治,一方面可有效控制風沙災害的威脅,改善河谷區生態環境,同時為拉薩市城市空間發展和當地資源的有效利用奠定了基礎,體現了在高寒河谷區進行風沙源綜合整治的可持續性思路。
  18. Main contents including agriculture, forestry, animal husbandry, greenhouse farming and processing industries etc. were studied seriously. in chapter four, the author analyzed the scale, structure and investment schedule of the construction projects in the sic - tech district, and evaluated the economic effect of projects

    主要內容包括以、草、畜、設施農業及加工業開發的目標、任務和規模;總體規劃的技術經濟指標和控制指標,土地開發利用、管理中心布局和生產構成,水利工程、防護林體系、道路、交通、附屬設施建設等方面。
  19. Article 25 people ' s governments at various levels and agricultural production and operation organizations shall map out plans and take measures to organize the construction of irrigation and water conservancy works and shelter forests so as to ensure the steady expansion of farmland with stable yields despite of drought or waterlogging

    第二十五條各級人民政府和農業生產經營組織應當制定規劃,採取措施,組織農田水利和防護林的建設,保證旱澇保收農田面積的穩定增長。
  20. Research on stump grafting regeneration of populus tomentosa in shelter - belt on farmland of desert oasis

    荒漠綠洲農田防護林伐根嫁接毛白楊更新技術
分享友人