林下植物 的英文怎麼說

中文拼音 [līnxiàzhíwù]
林下植物 英文
floor plant
  • 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...
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  • 植 : Ⅰ動詞1. （栽種） plant; grow; cultivate 2. （樹立） establish; set up Ⅱ名詞（姓氏） a surname
  • 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...
  • 林下 : hayashishita
  • 植物 : plant; flora; botany; stray; greenery; phyton; phytum; phyta; phyt ; phyto ; phyte : 草本植物 her...
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。
  2. Brome of ardennes one of the world ' s rarest plants has been saved with the help of a seed bank run by kew gardens

    一種世界上最為珍貴稀有的植物最近在英國植物學家阿普林的關注和呵護下，避免了滅絕的厄運，挽救了這一物種。
  3. The grass, known as the brome of ardennes, bromus bromoideus, is belgium ' s only endemic species and was thought to be extinct until dave aplin, a british botanist working at the national botanic garden of belgium, came upon some preserved seeds by accident

    是比利時地方特有物種。這種植物曾被認為難逃滅絕的危險，直到在比利時國家植物園工作的英國植物學家黛夫阿普林在偶然情況下發現了一些保存完好的植物種子后，雀麥草的命運才得以改變。
  4. Climatological data from fossil pollen, leaves and wood indicate that the cretaceous forests of northern alaska consisted of a mixed canopy that included deciduous conifers with an understory of flowering plants, ferns and cycads

    由花粉、葉子和木材化石?集到的氣候資料顯示，阿拉斯加北部的白堊紀森林有混合型林冠，包括了落葉針葉林以及林下的開花植物、蕨類和蘇鐵。
  5. One of the world ' s rarest plants has been saved with the help of a seed bank run by kew gardens. one of the world ' s rarest plants has been saved with the help of a seed bank run by kew gardens

    一種世界上最為珍貴稀有的植物最近在英國植物學家阿普林的關注和呵護下，避免了滅絕的厄運，挽救了這一物種。
  6. It has luxuriant forest here with various of rare trees such as korean pine, spruce, manchurian ash, birch, oak an linden, etc. all kinds of wild plant and officinals such as ginseng, dengshen, acanthopanax, fruit of chinese magnoliavine, etc. large amount of mountain delicacies such as an edible fungus, hedgehog, mushroom, brake, etc. abundant mineral resources such as gold, copper, iron, dolomite and limestone, etc

    這里有林木繁茂，生長著紅松、雲杉、水曲柳、樺木、柞木、椴木等多種珍貴樹木；野生藥用植物種類繁多，人參、黨參、刺五加、五味子極為豐富；山特產品質優量大，有木耳、猴頭、蘑菇、蕨菜、刺嫩芽等，地下資源有金、銅、鐵、白雲石、石灰石等礦藏。
  7. 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。
  8. In this paper, on the basic theories foundation study of summary people of the past, aiming directly at whether the shelter forest can deposit the sand and how powerful it can. we select the oasis in ulan buh desert as the study plot, and study the function of the shelter forest reduce the " sand " and " dust ". we draw the following conclusion. first, in the fixed and semifixed sand lands, which grow the natural sand - binding plants, the coverage of plant in the fixed and semifixed sand land is 26. 4 % and 10. 3 %, respectively, the amount of sand drift decrease 93. 38 % and 81. 91 % comparing with the migratory sand land which have no plant coverage in the same wind speed and the range of 0 - 40cm above the ground

    本文以前人的研究為基礎針對「防護林體系是否有降解作用，有多大的降解作用」這一問題以烏蘭布和沙漠邊緣的防護林體系為研究對象，研究了防護林體系對「沙」 、 「塵」的降解作用，得出以下結論： （ 1 ）在距離地表0 - 40cm范圍內，同一風速下生長有天然固沙植物，植被蓋度分別為26 . 4 、 10 . 3的固定、半固定沙地上，地表起沙量分別比無植被生長的流動沙地降低了93 . 38 、 81 . 91 。
  9. Ascending to the crests, it reveals vistas of snowcapped peaks, descending to the jungle, it seems more like a leafy tunnel through luxuriant tropical greenery

    爬上最頂端，可眺望遠處雪封的山頂，下至叢林，看起來更像是越過茂盛的熱帶植物的綠色隧道。
  10. The research object of this paper is the broad - leaved wood of red pine in north slope of changbai mountain. by analyzing the composition, construction, biodiversity and season diversity of forest community, we probed the rule of the forest community changing with the season and the ecological effect of forest insect community affected by forest plant community, appraised firstly regulating ability of forest ecosystem on forest pest and estimated finally effect of forest insect on ecosystem health

    本文研究對象為長白山北坡紅松闊葉林帶，通過對森林群落的組成、結構、生物多樣性及其季節變化，探索了森林群落生物多樣性隨季節變化規律，森林昆蟲群落在森林植物群落的影響下的生態效應，對森林生態系統對森林害蟲控制力作初步評價，最後對森林昆蟲對生態系統健康影響作出評價。
  11. Daming mountain natural reserve is typical evergreen broadleaf monsoon forest area located on the tropic of cance in china. there are rich natural resources in this area, such as 1 836 plants, 49 wild mammals, over 65 birds, 11 fresh water fish and a lot of insects. some suggestions about the protection of biodiversity and sustained exploitation of resources were proposed

    大明山自然保護區是我國在北回歸線上保存下來的南熱帶季風常綠闊葉林區，通過對大明山自然保護區調查研究發現有高等植物1836種，野生哺乳動物有49種，鳥類超過65種，兩棲爬行類有13種，淡水魚類有11種，以及種類繁多的昆蟲.分析了植物資源及群落的多樣性，哺乳動物、鳥類、兩棲爬行類、魚類的分佈及現存狀況
  12. 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。
  13. 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。
  14. Trend of floral composition in different age - classes of undergrowth vegetations in cupressus funebris plantations in yichang suburb

    宜昌市郊不同齡級柏木人工林下植物區系組成變化趨勢
  15. The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest

    主要研究以下內容： （ 1 ）片斷和連續常綠闊葉林的外貌、結構和物種組成特徵； （ 2 ）片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性； （ 3 ）片斷和連續常綠闊葉林的科（ ? ）屬水平的植物區系成分； （ 4 ）片斷和連續常綠闊葉林生活型組成； （ 5 ）在不同的水平梯度格局上（林外、林緣和林內） ，片斷和連續常綠闊葉林的小氣候要素（光照、溫度、風速、濕度等） ； （ 6 ）片斷和連續常綠闊葉林的環境和土壤因子，與群落的物種多樣性之間的關系。實驗結果表明： （ 1 ）各片斷森林的外貌特點基本上和連續森林一致。
  16. The research result is following : the annual species richness index of studied forest plant community averaged 64. 688, the species diversity index was 2. 982. the proportion of every functional group of forest plant community is : herbaceous layer ( average is 68. 89 % ) > tall tree layer ( average is 15. 266 % ) > shrub layer. ( average is 15. 845 % ) the proportion of every functional group in forest insect communities is remarkably different, and the order of the proportion is herbivorous insect group ( average 0. 729 ) > predatory natural enemy insect group ( average 0. 136 ) > parasitical insect group ( average 0. 135 ). with seasonal change, the proportion of herbivorous and predatory insect group decreased obviously, while that of parasitical insect group increased on average by 147 %

    研究結果如下：森林植物群落種的全年物種豐富度指數平均為64 . 688種，多樣性指數為2 . 982森林植物群落內各功能類群物種所佔比重依次為：草本層（平均為68 . 89 ） >喬木層（平均為15 . 266 ）灌木層（平均為15 . 845 ） 。森林昆蟲群落中，全年各功能類群所佔比重以植食性昆蟲類群為最大，平均佔0 . 729 ；捕食性昆蟲類群次之，平均佔0 . 136 ；寄生性天敵類群為最小，平均為0 . 135 。
  17. 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。
  18. 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。
  19. The results shoed that most of the forests in pearl river delta were of young - medium age, which occupied 80 % or more of the total forest area, and their undergrowth biomass accounted for about 33 % of the total forest biomass indicating that the regional forest biomass could be estimated more exactly if undergrowth biomass was fully concerned

    結果表明：珠江三角洲的中幼林面積占森林總面積的80 %以上，其林下植被生物量約占森林總生物量的33 % ，充分考慮林下植被生物量能提高區域森林生物量估算的精度。
  20. A study on species diversity in undergrowth vegetation of four plantations at yulin, guangxi

    廣西玉林市4種人工林林下植被物種多樣性研究
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