凋落物 的英文怎麼說

中文拼音 [diāolàwù]
凋落物 英文
litter fall
  • 凋 : Ⅰ動詞（草木花葉枯萎脫落） wither; fade Ⅱ名詞（姓氏） a surname
  • 落 : 落名詞[方言] （北方對蓮花落的俗稱） a kind of folk song
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 凋落 : wither and fall
  1. Seven plots selected from wanglang reserve were distributed in different types of forest and at different altitude, and different plot has different microclimate. soil property, microbial population, soil nutrient content of forest soil were determined in wanglang natural reserve, from may to october 2002 to july 2003, the ecological distribution of three main groups, bacteria, actinomycete and fungi were determined in the forest soils by the cell enumeration methods. six kinds of physiological groups, including ammoniation bacteria, nitrification bacteria, nitrosification bacteria, aerobic autogenesis azotobacter, aerobic cellulose - decomposing bacteria and anaerobic cellulose - decomposing bacteria were enumerated by the most - probable number ( mpn )

    2001年10月在王朗自然保護區內設立了3個定位研究樣地和4個臨時樣地，通過多次現場采樣與室內實驗分析，測定了白樺林、岷江冷杉林、紫果雲杉林、繡線菊-羊茅群落、羊茅群落及高山柳灌木叢等6種不同植物群落內土壤微生物三大類群數量、功能微生物數量、土壤養分，並在固定樣地內使用埋袋法進行了三個埋藏深度的凋落物分解袋試驗，初步研究了枝條、闊葉、針葉等凋落物組分在不同分解階段所含養分的動態變化。
  2. The reciprocal decomposition of foliar litter in tropical and subtropical forests

    熱帶亞熱帶森林葉凋落物交互分解的研究
  3. Nutrient dynamics of foliar litter in reciprocal decomposition in tropical and subtropical forests

    熱帶亞熱帶森林凋落物交互分解的養分動態
  4. Hydro - ecological functions of forest litter layers

    森林凋落物層水文生態功能研究
  5. A wealth of bird life and wildlife including endemic golden monkey, red panda, leopard, black bear and takin can also be seen. this area has been selected as a representative long - term ecological study site of subalpine forest ecosystems in southwest of china

    另外，對川西地域獨特的生態環境中土壤微生物、土壤養分及凋落物分解動態等生態因子和生態過程進行研究，可以豐富和拓展我國的土壤生態學的研究領域，發展土壤生態學的理論體系。
  6. It is, in fact, quite probable that calcium released by litter decay is used by uptake by plants.

    事實上，由凋落物腐解釋出的鈣很可能被植物攝取利用。
  7. Twenty years of litter fall dynamics in subtropical evergreen broad - leaved forests at the dinghushan forest ecosystem research station

    鼎湖山南亞熱帶常綠闊葉林凋落物量20年動態研究
  8. Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased

    結果表明： （ 1 ）從落葉松幼齡林到中齡林，隨著林冠的郁閉和林下植被蓋度的急劇下降，林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢，而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢；從中齡林到近熟林，由於撫育間伐，林分密度及郁閉度下降，林下植被蓋度逐步得到恢復，根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢；從近熟林到成熟林，隨著林齡的增大，根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢，而根際與非根際土壤全磷含量、土壤酸度（特別是交換性鋁）和容重呈增加趨勢。
  9. Soil ph value ranged from 6. 0 to 7. 2, the ph value had no markedly difference among the three horizons in each plot, and so did that among seven types of forest. the organic matter content in horizon a of plot g2 ( coniferous forest ) was the highest ( 193. 03a kg - 1 ) in seven plots and the lowest one was in plot g3

    另外，在3個固定樣地內（ g _ 1 、 g _ 2 、 g _ 3 ） ，通過埋袋試驗，研究了白樺枝條、白樺凋落葉、岷江冷杉凋落葉等3類典型凋落物在3個不同埋藏深度土壤中的分解。
  10. The water - holding capacity of altinglia gracilipes, schima superba, fokienia hodginsii and cunninghamia lanceolata planted under cunninghamia lanceolata ecological public welfare forest was studied from forest canopy, shrub and herb layer, litter layer and soil layer

    摘要分別從林冠層、林下植被層、凋落物層及土壤層對杉木人工生態公益林林冠下營造的細柄阿丁楓、木荷、建柏和杉木純林的持水功能進行了研究。
  11. 2. by detection and analysis on litter accumulation, water ? olding capacity of the litter and interception of main types of forests, its waterolding capacity, intercepting role, water storage and soil reduction of litter were studied

    2通過對祁連山水源涵養林凋落物累計量、枯枝落葉持水能力以及截留作用測定分析，研究了枯落物葉層的持水、截留作用和蓄水保土效益。
  12. Characteristics of decomposition of litter from pine, oak and pine - oak mixed forests

    櫟純林及混交林凋落物分解特性研究
  13. The work on seasonal dynamics of litter input and decomposition and the relationship between them and environmental factors was studied through the method of harvest and weight loss. soil respiration rate was measured by alkali - absorption method and the contribution from soil microorganism respiration and from root respiration was determined through trendline method of linear regression between soil respiration rate and belowground biomass. mathematical models were established between the seasonal dynamics of main components of soil total respiration including soil respiration, root respiration, soil microorganism respiration, litter respiration and environmental factors

    應用收獲法和重量損失法對枯枝落葉輸入與分解的季節動態及其與環境因子的關系進行了研究；應用靜態氣室法測定了土壤總呼吸和凋落物呼吸，應用土壤呼吸量與地下生物量線性回歸趨勢線法測定了土壤微生物呼吸及根呼吸的貢獻量，運用相關分析法建立了土壤總呼吸、根呼吸、土壤微生物呼吸及其凋落物呼吸季節動態與環境因子之間的數學模型；應用灰色分析比較了兩群落土壤呼吸季節動態產生差異的原因；應用干重換演算法對土壤微生物能量積累量的季節動態進行了測定，建立了土壤微生物能量積累量與環境因子的數學模型；應用系統分析方法，利用分室模型，對兩群落枯枝落葉與微生物之間的能量流動進行了定量測定和穩定性分析。
  14. According to the properties of litter substrate, the enzymes are classified into cellulolytic enzymes, ligninolytic enzymes, proteolytic enzymes and phosphatase

    根據森林凋落物底物性質的不同，將凋落物分解酶分為纖維素分解酶類、木質素分解酶類、蛋白水解酶類和磷酸酶類。
  15. The order of water - holding capacities in different plantation layers was as follows : soil layer > forest canopy > vegetation and litter layer

    林分不同層次的持水量大小排序為：土壤層林冠層林下植被和凋落物層。
  16. In six typical areas of huoditang mts, 48 genera of the small fungi is isolated from the forest litter. 277 strams statistics unit belong to 17 dominant fungi genera

    摘要在秦嶺火地塘6個代表不同生境的樣區中，從其森林凋落物中分離到48個屬的小型真菌，其中優勢菌17個屬，共277個菌株。
  17. Soil amounts of microbes of loa artificial picea forest were the most in the topsoil, amount of bacteria and actinomycetes sharply decreased from the early picea forest to the mature forest, and after the mature forest, amount of fungi increased slowly. fungi had greatly effect on decomposition of litter

    10a生人工雲杉林地細菌、真菌和放線菌數量最多，隨著雲杉林齡的增加，細菌和放線菌的數量急劇減少，真菌在雲杉自疏時，其數量稍有增加，之後又急劇下降，真菌在針葉林凋落物分解中起重要作用。
  18. Soil saturated capacity, capillary capacity, total porosity and capillary porosity showed the trend of the " u " during the successional course of artificial forest, namely, they reduced on the early successional stages, after picea reached mature forest, soil porosity recovered slowly. the content of natural water was mainly affected by capillary porosity. from soil chemical properties analysis, the content of soil organic, humus, ha, fa and ha / fa of topsoil was more than that of bottom layer

    即人工雲杉幼林向成熟林演替階段，土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙則減少，在40年生雲杉林達最低值，之後隨著雲杉自疏，微生態改善，林地凋落物分解加快，土壤飽和持水量、毛管持水量及總孔隙和毛管孔有上升的趨勢，毛管持水量是決定林地自然含水量的主要因子。
  19. Based on above - mentioned analysis, the strategy and measures to prevent the soil fertility quality degradation of artificial picea mature forest and improve the stand ecological environment were put forward, including the rational management of inter - cutting down and fostering after artificial picea forest matured. because conifer - hardwood forests generally contain more tree species than pure coniferous forest, and their structure also is more complex, forestation in subalpine of western sichuan should be conifer - hardwood forests

    林地土壤有機質主要來源於凋落物的分解，並受其分解速率的控制，解決當前人工成熟林地土壤退化的主要措施應為林地凋落物分解創造條件，即因地制宜地對成熟人工林進行間伐或輪伐，當前在該區域造林應避免營造針葉純林。
  20. Effects of nitrogen deposition on forest litter decomposition

    氮沉降對森林凋落物分解的影響
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