次生演替 的英文怎麼說

中文拼音 [shēngyǎn]
次生演替 英文
secondary succe ion
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
  • : Ⅰ動詞1 (代替) replace; substitute for; supply [take] the place of 2 [書面語] (衰敗) decline Ⅱ...
  1. Microbial biomass in soil during secondary forest succession in ziwuling, northwest china

    子午嶺林恢復中土壤微物量的變化動態
  2. Based on the principle of significant effect of soil fertility factors on forest growth, soil physical factors ( natural water content, bulk density, total porosity, capillary porosity, aggregate degree, coarse silt and physical clay ), chemical factors ( om. total n, alkali - hytrolyzable n, total p, humus and ha / fa ) and biological factors ( urease, acidphosphotase, invertase and microbes ) were selected as evaluation index system of soil fertility. applying principal component analysis, soil ifi of subalpine coniferous forest was calculated

    從土壤物理、化學、物學三方面出發,建立了川西亞高山針葉林不同階段土壤肥力評價指標體系,應用主成分分析,計算出不同階段土壤肥力綜合指標值( ifi ) ,各階段大小順序為: 10年雲杉林地跡地原始林地樺木林地30年雲杉林地20年雲杉林地50年雲杉林地60年雲杉林地40年雲杉林地。
  3. Results demonstrate that with the succession going on from herbosa shrubs coniferous forest theropencedrymion evergreen broad - leaved forest, abundance and diversity index of species, biomass and productivity of vegetation all show a rising trend prior to the formation of a mature and stable biotic climax

    結果表明:隨著草叢灌叢針葉林針闊混交林常綠闊葉林正向的進行,在未形成成熟而穩定的頂極群落之前,物種豐富度、物種多樣性指數、植被物量及產力都呈增大趨勢。
  4. The species richness of wild vascular plants on the six pre - islands was 126, 157, 175, 189, 242, and 254, respectively

    主要表現為森林比重很小,群落多樣性低,撂荒地上處于次生演替初始階段的雜類草草叢佔了相當大的比例。
  5. The paper studied three aspects of extracelluar enzymes in sediments of the tidal flat wetland, namely 1 ) the distibution of five sorts of extracellular enzymes in sediments in the east end of chongming island along the elevation gradient or community succession series, the relationships between the activities of enzymes and the ecological factors, and functions of extracellular enzymes in the process of community succession ; 2 ) the effects of the heavy metal ions and edta on the activity of alkaline phosphatase in sediments of the east end of chongming island by adding and removing of heavy metal ions, discussing whether the activities of extracellular enzymes could be taken as the indicators for the environmental status ; 3 ) the variations of the activities of extracellular enzymes in sediments in the east end of hengsha island after the discarding clay

    本文以長江口典型濕地?崇明東灘為例,首研究了沿高程梯度或沿植被系列沉積物中堿性磷酸酶等五種胞外酶活性的空間分佈規律,分析了胞外酶活性與環境因子的相互關系及其產機制,討論了胞外酶活性在濕地植被中的作用。同時以崇明東灘沉積物為對象,運用重金屬離子的添加和去除等方法,研究了重金屬離子對沉積物中堿性磷酸酶活性的影響,利用胞外酶活性的變化探討了崇明東灘重金屬污染的狀況。此外,本文還研究了橫沙東灘吹泥試驗工程對沉積物環境因子和胞外酶活性的影響並進行了對比分析。
  6. Wuxi county is located in typically fragile ecological strip - - three gorges reservoir area and belongs to national ecological environment construction key region. based on soil and water conservation project in wuxi county this article designs the landscape health assessment system and analyses health classes of degraded ecosystem by applying fuzzy ahp method, discloses degraded characteristics in aspect of land use patterns in wuxi county contrasted with bishan county, puts forward ecological restoration models combined with soil and water conservation harnessing, analyses and compares soil fertility quality in biological communities of different ecological restoration succession phases and restoration measures

    本論文依託巫溪縣水土保持態修復項目,運用模糊層分析方法,進行退化態系統的景觀健康評價體系設計與健康等級分析;通過對比研究巫溪縣與另一個態修復試點縣? ?璧山縣的土地景觀空間格局分析,揭示巫溪縣土地利用格局上的退化特徵;提出與水土保持治理相結合起來的態恢復模式;引用土壤肥力質量指數,對態修復區不同態恢復階段群落及不同時期坡改梯、休耕地與封山育林三項態修復措施的土壤肥力質量分析與對比。
  7. Exploring the juxtaposition even further, tognetti returns to the city hall with mozart ' s biggest symphony and beethoven ' s most exuberant

    托尼將重返香港大會堂,分別出莫扎特編制最大的交響曲巴黎,和貝多芬氣盅然的第七交響曲,同場活兩位大師的名作。
  8. Today, the forest has been fairly well reestablished, tending to a mixed forest of evergreen broad - leaf and deciduous broad - leaf trees in succession

    該群落的物種多樣性在同地區的林類型中處于較高水平,表明群落以前受到過中度干擾,目前的恢復狀況較好,群落的趨勢是常綠闊葉落葉闊葉混交林。
  9. At the soonest approach concerned the theoryon after liberation was producer goods precedence growth, two greater part proportional relation and others, present research tend to industrial structure fluctuant resource allocation effect, industrial policy, traditional industry ' s adjustment and quantification research. industry organization theory is based on microeconomics, orthodox industry organization theory ' s basic feature is scp analyses paradigm, primary school has harvard as well as non - mainstream ' s chicago school, innovation school and neo - austrian school. hotspots in our country recent years are enterprise size, industrial concentration, market structure, as well as relation to performance, entering and exit mechanism and industrial system policy. this article takes over evolutionary economics ' s analytical approach to analyse institution and technology change, which may affect manufacturing industry, and using evolutive viewpoint to research competition, regional cooperation. based on industrial economics ' s theory, the artical puts forward that manufacturing industry take the leading function in economic structure transformation, manufacturing industry ' s laging is maxima drawback for the agro - industry change, and others

    產業結構理論早在威廉?配第的著作中已有論及,要點是產業間的相對收入差異導致勞動力的部門流動;后來又有關于勞動力在三產業間移動趨勢的研究,產業結構規律的分析,工業化過程與后工業化社會,工業結構的高加工度、高技術化及產業結構軟化等問題的研究,我國建國後有關的理論最早探討產資料優先增長、兩大部類比例關系等,目前的研究則趨于對產業結構變動的資源配置效應、產業政策、傳統產業調整進行定量化研究。產業組織理論以微觀經濟學為基礎,正統的產業組織理論的基本特徵是scp分析範式,主要有哈佛學派和芝加哥學派、新制度學派和新奧地利學派。
  10. There were 71 species in the community 2 ( castanopsis fargesii - itea chlnensis - maesa japonica community ), and castanopsis fargesii and itea chinensis were respectively the absolute dominant species of tree layer and succession layer, maesa japonica was the dominant species of regeneration layer

    群落天然過程是以地帶性植被殼斗科、茶科、冬青科等物種為主。總體上黃茵嶺態保護小區群落種子植物屬的分佈類型是以熱帶分佈成分佔絕對優勢,種子植物以熱帶起源為主。
  11. Based on the investigation on the structure and niches of secondary forests in jiulongkeng, guangze, fujian province, the distribution law was studied and natural succession tendency was worked out for primary arbors and shrubs in different slope direction, which provides scientific fundamental for artificial stimulating natural regeneration

    摘要通過對福建光澤九龍坑不同坡向天然林的林分組成和境的調查,研究主要喬灌木樹種在不同坡向林分中的分佈規律,分析出不同坡向林分的天然趨勢,為人工促進天然更新提供科學依據。
  12. The relationship between the vertical structure in the secondary succession community of the evergreen broad leaved forests on the jinyun mountains in chongqing and species diversity in them was estimated and analyzed based on their vertical structure and species diversity index

    從垂直結構和物種多樣性指數,測度分析了重慶市縉雲山常綠闊葉林群落次生演替序列垂直結構與物種多樣性的關系。
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