森林層 的英文怎麼說

中文拼音 [sēnlīncéng]
森林層 英文
arboreous layer
  • 森 : 形容詞1. （樹木多） full of trees2. [書面語] （繁密; 眾多） multitudinous; in multitudes 3. （陰暗） dark; gloomy
  • 林 : 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...
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  • 森林 : forest; timber; sylva; silva; eng-forest; boscage; bush
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. A variety of methods including the tabular comparison of data, the tabular comparison of similarity coefficient, the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area

    森林植被樣地中以喬木層樹種的重要值為指標，採用紙條排隊法、群落相似系數分類法、最近鄰體法、組平均法對梅子湖森林植被樣地進行數量分類。
  3. In most cases, extracting oil involves chopping down the forest that blankets the region, draining the boggy ground, stripping off the topsoil and literally digging up the oily sand below

    在大多數情況下，要從油沙中提煉出石油需要先把覆蓋該地區的森林砍掉，排乾地面的水分，去掉表層土然後當然就是把地下的油沙挖出來。
  4. The results show that the main foctor that affects the natural regeneration is elevation, and the coverages of litter and brushwood were next

    結果表明，影響該區森林天然更新的主要因素是海拔高度，其次是灌木層蓋度和枯落物層的蓋度。
  5. Preparation of forest plant and forest floor samples

    森林植物與森林枯枝落葉層樣品的制備
  6. At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed

    結果表明：冷杉原始森林土壤容重隨土層深度的增加而增大，分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ，飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小，十壤總孔隙度也逐漸減小，土壤的持水能力隨深度的增加逐漸減弱；林外空地a層、 b層十壤容重相差不人，分別為0 . 92和0 . 99g cm ~ 3 ，其它規律與林內人體相同：皆伐跡地的低洼地段容易發生逆行演替，形成高原沼澤地。
  7. The plant species of shrub in the fragmental evergreen broadleaved forests are less rich than those in the continuous evergreen broadleaved forest

    片斷森林的灌木層種類不如連續森林豐富。有些片斷森林只是邊緣的草本較多，林內的草本種類較少。
  8. Every fragmental evergreen broadleaved forest is divided three sublayer, however, their structure of layers are not dear, some fragmentations with less areas, are not integral, such as yuanxiao peak. there are less plants in the first sublayer

    各片斷森林總的來說也分三個亞層，但層次結構不明顯；有些面積較小的片斷，層次結構不完整，如猿哮峰，第一亞層的植物較少。
  9. A christmas frost had come at midsummer ; a white december storm had whirled over june ; ice glazed the ripe apples, drifts crushed the blowing roses ; on hayfield and cornfield lay a frozen shroud : lanes which last night blushed full of flowers, to - day were pathless with untrodden snow ; and the woods, which twelve hours since waved leafy and fragrant as groves between the tropics, now spread, waste, wild, and white as pine - forests in wintry norway. my hopes were all dead - struck with a subtle doom, such as, in one night, fell on all the first - born in the land of egypt

    聖誕的霜凍在仲夏就降臨十二月的白色風暴六月里便颳得天旋地轉冰凌替成熟的蘋果上了釉彩積雪摧毀了怒放的玫瑰乾草田和玉米地里覆蓋著一層冰凍的壽衣昨夜還奼紫嫣紅的小巷，今日無人踩踏的積雪已經封住了道路十二小時之前還樹葉婆娑香氣撲鼻猶如熱帶樹叢的森林，現在已經白茫茫一片荒蕪，猶如冬日挪威的松林，我的希望全都熄滅了受到了微妙致命的一擊，就像埃及的長子一夜之間所受到的一樣。
  10. Hydro - ecological functions of forest litter layers

    森林凋落物層水文生態功能研究
  11. They are the dominant organisms in aeratedsoils ( frey et al. 1999 ), typically accounting for 10 % ? 60 % of the biomass inforest litter ( newell 1992 ; metting 1993 )

    在含有氧合的土壤中它們也是優勢生物，典型的證明是在森林的枯枝落葉層中有生物量的10 % ~ 60 % 。
  12. The humankind is troubled seriously by a series of environmental problems, such as air pollution, ozonosphere destruction, glasshouse effect, acid rain, water pollution, land pollution and soil erosion and so on. all of these will stop our economy developing

    大氣污染、臭氧層破壞、溫室效應、酸雨頻繁、水污染、土地污染、水土流失、草原退化、森林急劇減少、珍稀動植物滅絕、沙漠急劇擴大等一系列環境問題嚴重困擾著人類，各種公害接二連三地侵襲人類，再這樣下去，經濟將變成無源之水、無本之木。
  13. A carpet of leaves and pine needles on the forest floor

    森林覆被上一層厚厚的落葉和松針
  14. There is a carpet of leaves and pine needles on the forest floor

    森林中的地面上有一層厚厚的落葉和松針。
  15. The results were following : ( l ) generally, all four indices showed the similar variation patterns in species diversity ; ( 2 ) generally speaking, the order of species diversity indices changed with the pattern : shrub layer tree layer herb layers ; ( 3 ) the species diversity of evergreen broadleaved forests was larger than that of warm conifer forests ; ( 4 ) the species diversity of forests in meizi lake area has been affected by human factors

    結果表明： （ 1 ）梅子湖森林植被樣地物種多樣性測度的結果，上述4種指標總體上表現出相同的變化趨勢。門）總體看來， 14個樣地的物種多樣性指數在群落不同層次的變化規律為：灌木層喬木層草本層。 （ 3 ）不同植被類型的物種多樣性特徵是：常綠闊葉林暖性針葉林。
  16. Determination of total boron in forest plant and forest floor

    森林植物與森林枯枝落葉層全硼的測定
  17. Determination of total chlorine in forest plant and forest floor

    森林植物與森林枯枝落葉層全氯的測定
  18. Determination of total nitrogen in forest plant and forest floor

    森林植物與森林枯枝落葉層全氮的測定
  19. Determination of total molybdenum in forest plant and forest floor

    森林植物與森林枯枝落葉層全鉬的測定
  20. Determination of crude ash content in forest plant and forest floor

    森林植物與森林枯枝落葉層粗灰分的測定
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