forest vegetation 中文意思是什麼

forest vegetation 解釋
大本植被
  • 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。
  • vegetation : n. 1. 【植物;植物學】營養體生長,發育;〈集合詞〉植物,植被,植生,草木。2. 無所作為的生活,單調的生活。3. 【醫學】贅生物,增殖體。adj. -al
  1. In typical watershed, quxi watershed, the result of external forcing, submerge and migrant, is the resource change of slope cultivated lands, economical forest, vegetation, water, habitant etc. of the ecosystem, and the changes of demand for food supplies, energy resource and education

    移民區典型小流域? ?曲溪小流域,受淹沒、移民2個驅動力的作用,耕地、經濟林、植被、水、棲息地等資源發生了顯著變化,系統的糧食、能源、教育需求也隨之而變,在內在反饋機制的作用下,導致系統輸出為水土流失加劇、生物多樣性受到破壞、土地退化嚴重等。
  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. In this dissertation, the author analyzed plant biodiversity in yunmengshan forest region with field survey on plant species and forest vegetation, the results show that : the vascular plants in yunmengshan forest region include 548 species ( variation ) which belong to 319 genera, 98 families, the flora geographical composition are complex, the dominant characteristics of flora are temperate zone plants which account for 55 percent, herbaceous species occupy 75 percent exclusively. evaluating the threatened hierarchy of plants in yunmengshan forest region, the results show that the number of critically endangered species is 7, endangered species isll, vulnerable species is 53, lower risk species is79, safty species 376

    本文在對雲蒙山林區的植物物種、植被進行調查的基礎上,進行植物多樣性分析,研究結果如下:雲蒙山林區共有維管束植物98科319屬548種和變種,地理成分復雜,包括中國全部屬的15個分佈區類型,區系組成以溫帶成分為主,佔55 ;生活型譜中,草本植物種類占絕對優勢,比例為75 . 3 ;通過瀕危評價,得出雲蒙山林區植物極危種7種,瀕危種11種,漸危種53種,敏感種79種,安全種376種。
  4. Interspecific association and niche of forest vegetation in rocky mountain area of north of china

    華北土石山區天然植被種間聯結和生態位研究
  5. Review on rainfall interception researches of forest vegetation

    森林植被對降水的截留效應研究
  6. Impacts of forest vegetation on runoff generation mechanisms : a review

    森林植被影響徑流形成機制研究進展
  7. Forest vegetation vertical distribution in south and north slopes of baishilazi mountain

    白石砬子山南北坡森林植被垂直分佈的研究
  8. No organization and private individual shall divert the forest vegetation recovery payments

    任何單位和個人不得挪用森林植被恢復費。
  9. A study on the restoration and planning of forest vegetation landscape in the lijiang river watershed

    灕江流域森林植被景觀恢復與規劃研究
  10. As an important component in hydrological process, forest vegetation influences critically the spatial distribution of hydrological fluxes such as precipitation, evapo - transpiration, and runoff

    摘要森林植被層作為水文環境要素,對降水、蒸散和徑流等水文通量在空間上的分佈特徵有著重要的影響作用。
  11. Based on investigation of natural forest vegetation in chaoguanxigou watershed of rocky mountain area of north of china, the composition of species, structure of dbh of trees and species diversity of trees and shrubs in the course of forest succession are researched

    摘要基於華北土石山區潮關西溝流域天然森林植被調查的基礎上,對森林植被群落演替中群落樹種組成、胸徑結構和生物多樣性變化進行了研究。
  12. ( 4 ) 5000 - 3100ab. r, through comprehensive analysis of these proxy climatic substitute indexes indicates : this was another warmth and humidity period in which the temperature risen and the precipitation decreased, but the warmth and humidity were not as proper as those in the best period mentioned above ; the forest vegetation may recovered ; there were flood sediments in the dust in the early - middle stage of the period ; in the early stage was longshan culture, and in the early - middle stage the human culture developed and it entered into period of xiashang civilization

    ( 4 ) 5000 3100ab p ,綜合多氣候代用指標的分析結果表明:本期氣候表現為溫度升高、降水增大的變化,但溫濕程度總體上不如前面的最適宜期;植被可能恢復到森林景觀;在早中期粉塵沉積過程中有洪流沉積。早期為本區的龍山文化期;期間的洪水事件可能進一步強化了人地關系,並進而推動了本區人類文化的發展而進入夏商人類文明時期。
  13. The new research progress in the effect of forest on rainfall, interception annual runoff, was summarized. the main issues show that the most function of forest vegetation aims at protecting water resources and water environment, adjusting water amount, controlling erosion, decreasing run - off silt, decreasing maximum flow as well as increasing discharge of river in dry season and purifying water quality

    本文一方面通過介紹森林水文學的概念、研究進展和實際運用,分析了森林與水相互作用的特點,並從降水、截留、徑流等方面綜合研究森林植被在涵養水源、調節水量、減少徑流泥沙、降低洪峰、增加枯水期流量、改善水質等方面具有的重要功能。
  14. The air anion bar ' s feature of mount huangshan is : the air ion appraisement coefficient is big, the maximum is 351. 37, the single cofficienl of air ion is small, the minimum is only 0. 09 ; in summer air ion density is high ; when the forest vegetation coverage rate is high ; the area of the natural air anion bar of mount huangshan is not only large, but it " s also distributes to the mountain peak, the distribution area of summit is small

    黃山風景區天然氧吧的特徵是:空氣離子評議系數大,最高達351 . 37 ,空氣離子單極系數小,最小隻有0 . 09 ;夏季大氣離子濃度高;天然氧吧在風景區面積不僅大,而且從山腳至山頂都有分佈。黃山天然氧吧的成因主要源於豐富的森林植被、良好的水文條件。
  15. Yellow river region, because forest vegetation is destroyed by men, it causes serious soil erosion, land desertification, finally result in blocking in river course and floods, even may become a barren land

    都是因為森林植被受到人為的破壞,造成嚴重的水土流失土地沙漠化,最終導致河道淤塞河水泛濫,甚至成為不毛之地的。土地是人類生存的基地,土地沙漠化,是當今世界嚴重的環境問題。
  16. In the main area populated by malus toringoides hughes, malus kansuensis and ( or ) malus transitoria were found occasionally. the fact of the three species " convergence in western sichuan and southern gansu shows their close relation - ships geographically. their different distribution indicate their geographical replacements, of subflora forest vegetation of china - himalayas, in which many new and old species co - existed

    在變葉海棠的主要分佈區內,有隴東海棠和花葉海棠(或其中之一)的零星分佈,它們在四川西部和甘肅南部匯集,表現為地理親緣;其分佈區的分異表現為地理替代,該地區植物區系成分新老兼備。
  17. Article 18 prospecting, mining and various construction projects shall not occupy or occupy as little as possible woodlands ; in case of necessary occupancy or expropriation of woodlands, upon examination and approval of the competent forestry authorities under the people ' s government above the county level, the examination and approval formalities for land needed for construction shall be gone through in line with relevant land administration laws and administrative regulations ; and the land - use organization shall pay forest vegetation recovery expenses in line with the relevant provisions of the state council

    第十八條進行勘查、開采礦藏和各項建設工程,應當不佔或者少佔林地;必須佔用或者徵用林地的,經縣級以上人民政府林業主管部門審核同意后,依照有關土地管理的法律、行政法規辦理建設用地審批手續,並由用地單位依照國務院有關規定繳納森林植被恢復費。
  18. ( 2 ) 8500 - 6000ab. p, according comprehensive analysis of these proxy climatic substitute indexes shows : this was a period in which the temperature was the highest and the precipitation was the greatest ; there appeared forest vegetation ; in the middle stage of the period was laoguantai culture ; and after that there appeared yangshao early culture

    ( ) 8500 6000ab p ,綜合多氣候代用指標的分析結果表明:本期氣候為全新世以來溫度最高、降水量最大的最適宜期,在這種適宜的氣候條件下,發育了森林景觀。本期中期即7500 7000ab
  19. This paper consists of four sections : ( i ) introduction, ( ii ) species record, ( iii ) biodiversity analysis, ( iv ) impacts of cerambycidae insects on forest vegetation at maoershan natural reserve

    本論文分為概述、種類記錄、多樣性分析和天牛科昆蟲對貓兒山森林植被的影響四個部分。
  20. The results showed that forest vegetation could effectively conserve water and soil and improve entironment, while the effects of water and soil conservation were significant varied between different vegetations, the effect of mixed forest was significant

    結果表明,森林植被能有效地保持水土,改善生態環境,但不同植被下保持水土的效果有明顯差異,尤以混交林保持水土效果顯著。
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