密植被 的英文怎麼說

中文拼音 [zhíbèi]
密植被 英文
tangled vegetation
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : Ⅰ動詞1. (栽種) plant; grow; cultivate 2. (樹立) establish; set up Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1 (被子) quilt 2 (姓氏) a surname Ⅱ動詞[書面語]1 (復蓋) cover; spread 2 (遭受) suffe...
  • 植被 : vegetation; vegetative cover植被層 vegetable layer; 植被帶 [植物學] zone of vegetation; 植被類型 vegetation form
  1. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有地上地下雙層結構,可溶巖造壤能力低,巖溶水空間分佈不均、地表地下水關系切、水源易漏失,偏堿性環境、生物資源集聚程度低,逆向演替快、順向演替難,巖溶地質與生態環境十分脆弱,受到人為因素的影響和破壞,極易產生石漠化、土壤侵蝕與退化等一系列問題。
  2. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里沙漠東南緣2種人工檸條和油篙在4種配置方式下地上部分的生長動態進行了研究,結果表明:不同配置方式下它們的度、高度、冠幅和生物量基本不變或略微呈下降趨勢;油篙新梢的年生長動態呈s型曲線,檸條新梢春季生長速度較快, 7月份以後生長速度緩慢或基本停止生長;檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型, 4種配置方式下共有8種1年生物人侵,並具有較高的蓋度;同其它3個樣地相比,純油篙樣地1年生物的度、蓋度和生物量明顯偏低。
  3. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與生物量和蓋度都有切的關系,是開展精細分類研究和定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  4. The factors that in fluences the nest - site selection of great bustard mainly are the hight and density of vegetation

    大鴇巢址選擇的影響因於主要為物高度和度。
  5. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存分為自然與栽培兩大類進行研究,通過遙感技術對現存按針葉林、闊葉林、灌、灌叢、草灌、荒草裸巖、農作物等類型進行分佈面積的統計,在此基礎上,以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據,對已成林的針葉林與闊葉林進行森林生態系統的價值估算,得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元,參照這一生態價值量,把洛塔按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物,以每hm ~ 2的價值量提出了洛塔的綜合價值體系。
  6. When cultivated and stripped of their dense vegetative cover, soils of the humid tropics quickly lose their fertility.

    當將厚除去並耕種時,潮濕熱帶地區的土壤就會迅速失去其肥力。
  7. Indicatory function of soil moisture of undergrowth vegetations in the robinia pseudoacacia forests with different densities in semi - arid region on the loess plateaus

    林下對半乾旱區不同度刺槐林地土壤水分環境的指示作用
  8. Heavy vegetation may intercept a large amount of precipitation on its leaves.

    的葉子中能截留大量的降水。
  9. In the natural condition, the following five stages are the plant restoration and succession process of luota : populus adenopoda shrub forest, rhus chinensis, pyracantha fortweana shrub forest, liquidambar formosana, corizria sinica forest, pinus massoniana, carpinus rurczaninowii forest, karst evergreen - deciduous forest

    只有少數林窗存在。自然恢復林在恢復程度上遠不如喀斯特常綠落葉林,只在閉的灌木叢中分佈著少許高大的喬木。
  10. The meandering waterways of mangrove reveal stunning limestone outcrops sculptured with sheer cliffs, caves, stalactites and dense vegetation which resemble the shapes of pekinese dog and elephant

    在攀牙灣紅樹林蜿蜒河流的水路顯露著許多奇形怪狀石灰石峭壁,洞穴,有像雕刻成小狗和大象形狀的鐘乳石和集的
  11. The great bustard is polyphagia bird, but it feeds mainly on plants. the feeding field habitat selection relate with that whether the grassland burn or not last year. the important factors that determine the feeding field selection are the plant species, vegetative cover score. density hemerrocallis minor and the density of pedacularis sp. on burning grasslandsjthe density of vegetation. insects quanlity. plant species richness and the height of plant are the main factors that determine the feeding field selection on unburning grasslands

    大鴇是雜食性鳥類,但以物性食物為主。對于取食地的選擇往往跟草原上一年是否火燒過有關。在火燒地,物種類數、蓋度、小黃花菜度和蒿度是取食地選擇的重要因素;在非火燒地,度、昆蟲數量、物物種豐富度及物高度在大鴇取食地選擇中發揮重要作用。
  12. The trim hedge, the grass - plot before the door, the little flower - bed bordered with snug box, the woodbine trained up against the wall, and hanging its blossoms about the lattice ; the pot of flowers in the window ; the holly, providently planted about the house, to cheat winter of its dreariness, and to throw in a semblance of green summer to cheer the fireside ; all these bespeak the influence of taste, flowing down from high sources, and pervading the lowest levels of the public mind

    宅前樹籬齊整,綠草茵茵,花圃精巧,四周黃楊;忍冬緣墻而上,其花綻放,星星點點,綴于窗欞;窗臺飾有盆花,居所四周有冬青,聊以消解寒冬之孤寂,室內爐火熊熊,雖非夏日,宅前院后綠意濃濃,亦使居者倍感愜意;凡此種種,皆孕高雅之情趣,自紳士名流,至草根百姓,澤萬民。
  13. Well - known for vast green woods, fertile soil, whirling reeds and crossing rivers, the island is also a paradise for " belly - gods "

    崇明島以其茂、錯綜的河網、肥沃的土地著稱,而且是美食家的天堂。
  14. Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in

    同時,研究還表明:調查洞穴的物種多樣性與人口度、水質成負相關;在一定范圍內,物種多樣性與化肥施用量、土壤肥力成正相關,超過一定的值則成負相關;在人類對地表的高強度作用下,物種多樣性與覆蓋率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與物種數呈正相關,斑灶馬數量與在一定水質范圍內與水質呈負相關,與土壤肥力呈負相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為,可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾(或有尾類) 、魚類等作為指示動物對洞穴環境進行監測。
  15. 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,林分度及郁閉度下降,林下蓋度逐步得到恢復,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。
  16. Based on the above conclusions about anti - erosive vegetation structure, the paper expounds the implication of anti - erosive vegetation by pointing out the fault of its current definitions, and it is considered that anti - erosive vegetation should aim at protecting soil from erosion and fixing active sands in the eroded areas, ground space fully occupied by plants, in general with close structure, especially with outstanding coverage close to ground by organic matter ( litter and / or biomass )

    在上述結論的基礎上,本文通過指出現有防蝕定義的缺陷,論述了其涵義,認為防蝕應當是在侵蝕地區,以防止土壤侵蝕或以固沙為目的,物充分佔據地面空間,一般具緊結構,或者顯著具有有機體(枯落物以及生物量)貼地面覆蓋特徵的
  17. 3. the great bustard is big - sized bird that build nest on the ground and the nests distribute in sparse group. most of their nests locate on the middle slope of hillocks, especially on the southern middle slopes towards to the sun, the biggest gradient is not more than 8 ?, the most important 3 factors that determine nest - site selection are height of plant. density and thickness of hay. 4

    大鴇是營地面鬆散型群巢的大型鳥類,多將巢築在海拔190 230m的草原崗坡的坡腰上,且以偏南向的朝陽緩坡的坡腰上為多,最大坡度不超過8 ,高度、度和枯草厚度是決定其巢位選擇的3個最重要的因素。
  18. The results were presented as follow : ( 1 ) accipiternisusana a. rirgatasare much tore in the west of hei longjiang province than in the intermediate section of heilongjiang province, fe would give reason for this. the west of heilongjiang province is more level than the intermediate section of heilongjiang province and there are more field than it

    實驗結果如下: ( 1 )環志的非雀形目種類中雀鷹( accipiternisus )和松雀鷹( a . virgatus )在西部遠多於中部,這與兩地的開闊程度和度相關。
  19. When someone slides down the sand dune, he has the feeling as if he were descending from the sky

    包蘭鐵路在茂帶內轟鳴而過,所有這一切使得沙坡頭贏得這樣的別稱, 「世界沙漠之都」 。
  20. Secondly, typical approaches of studying on vegetation have included radiative transfer, four - stream, geometric optics, hybrids of two or more of these, and numerical simulation. then we introduced several models for density or sparse vegetation, soil and desert

    然後,簡單論述了建立散射模型的發展動態和幾種典型方法:輻射傳輸模型、四通量模型、幾何光學模型以及復合模型等,初步研究了用於稠密植被、稀疏、土壤、沙漠等環境背景的雙向反射函數模型。
分享友人