youyang 中文意思是什麼

youyang 解釋
酉陽
  1. As a southwesten autonomous county with national minority and typical area, the nature condition in youyang is bad and the economy falls behind and the soil erosion is serious. furthermore, the population increases quickly which results to steep slope farming and excessively opening up, so eco - environment accelerates rapidly. in the whole, youyang is an epitome of the area with soil and water erasion in western china

    酉陽作為西南少數民族自治縣,區內自然條件差、經濟落後、水土流失嚴重,屬典型的水土流失型生態脆弱區,加之該區生產手段落後、經濟結構單一、而人口增長過快,導致人地矛盾尖銳,陡坡耕作、過度開墾,使生態環境加速惡化,因此,酉陽自治縣土地資源可持續利用可以作為西部水土流失型生態脆弱區的一個縮影。
  2. 2 with the correlative analysis between the landuse structure and economic development, the main problems of landuse in youyang county are summarized as follows : ( l ) a large proportion of farmland are leanness, so the land quantity is bad ; ( 2 ) the forest vegetation is broken seriously, and the soil erosion is severe and the eco - environment is depravating ; ( 3 ) the number of land for water conservancy facilities is small ; ( 4 ) the proportion of town and transportation land is not accorded with landuse plan ; ( 5 ) land collocation is inconsequent ; ( 6 ) the land resources is plenty and a lot of land are not used but the land which can be opened up for farming

    2通過對酉陽縣土地利用現狀結構與經濟發展的相關分析,總結了酉陽縣土地利用存在的主要問題有以下幾點: ( 1 )中低產田比例大,土地質量差; ( 2 )森林植被破壞嚴重,水土流失嚴重,生態環境惡化; ( 3 )水利設施用地較少; ( 4 )城鎮和交通建設用地欠賬大( 5 )土地資源配置不合理; ( 6 )土地資源總量豐富,未利用地面積大,耕地后備資源不足。
  3. Occurrence and control of henosepilachna vigintioctopunctata fabricius on potato in youyang county

    茄二十八星瓢蟲在春播馬鈴薯上的發生及防治
  4. So regarding youyang autonomous county as an example, the land sustainable use of western eco - fragile region with serious soil and water erosion is studied in this dissertation

    為此,本文以酉陽自治縣為例,就西部水土流失型生態脆弱區的土地資源可持續利用作以研究。
  5. On the contrary, the land change is not remarkable in youyang

    而酉陽縣各地類變化不顯著。
  6. On the basis of drawing the domestic and international achievement in research of luc and human driving forces extensively and referring to different economic development levels in chongqing, this study chooses beibei, wanzhou, youyang as the sample areas, which respectively represent for relatively developed district, less developed district, undeveloped district. this paper takes the data and relevant materials of the period from 1985 to 2000 as foundation, takes the on - site inspection as ground, takes sustainable land resource use theory and systematic dynamics theory as guide, takes many kinds of qualitative and quantitative approaches as methods

    本研究在廣泛吸取國內外相關土地利用變化及其人類驅動力研究成果的基礎上,結合重慶不同區域經濟發展水平情況,選取了經濟較發達的北碚區、欠發達的萬州區、落後的酉陽縣為研究樣點,以1985年2000年時段的土地利用數據及相關資料為研究基礎,實地調查為依據;以土地資源可持續利用理論、系統動力學理論為指導,採用定性與定量相結合的多種研究方法進行研究。
  7. The carbonate area is to 32 thousands km2 and it occupies to 38. 83 % of chongqing dimensionality area. and it mostly distributes in the northeast and southeast. the districts and vi counties, which carbonate distribution area is beyond 50 % of dimensionality area, include nantong, nanchuan, wulong, pengshui, qianjiang, youyang, xiushan, wuxi and chengkou

    重慶市幅員面積8 . 24萬km ~ 2 ,碳酸鹽巖出露面積3 . 20萬km ~ 2 ,占幅員面積的38 . 83 ,主要集中於渝東北和渝東南各縣,其中碳酸鹽巖面積占土地面積50以上的區縣有南桐礦區、南川、武隆、彭水、黔江、酉陽、秀山、巫溪、城口,佔30以上的縣有豐都、奉節、巫山,石柱和涪陵都在28以上。
  8. Youyang ' s landuse degree is still in primary period and far behind the sustainable aim. 5. according to the result of evaluation of sustainable use and the analysis of land potential, the author puts forward several proposals and measures of sustainable landuse. ( 1 ) building up correct ethics of land ecology ; ( 2 ) ad

    ( l )樹立正確的土地生態倫理觀; ( 2 )積極推進退耕還林,改善西部生態環境; ( 3 )鼓勵對西部土地進行開發與利用; ( 4 )選擇、建立可持續發展的土地、人口、環境組合動作模式; ( 5 )加強西部地區開發的法律、法規的制定和執行。
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