植被蓋度 的英文怎麼說

中文拼音 [zhíbèigědù]
植被蓋度 英文
vegetation coverage
  • 植 : Ⅰ動詞1. （栽種） plant; grow; cultivate 2. （樹立） establish; set up Ⅱ名詞（姓氏） a surname
  • 被 : 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...
  • 蓋 : 蓋名詞（姓氏） a surname
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 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
  • 蓋度 : cover degree
  1. 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種人工植被檸條和油篙在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密度、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年生植物人侵，並具有較高的植被蓋度；同其它3個樣地相比，純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  2. 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，但以植物性食物為主。對于取食地的選擇往往跟草原上一年是否被火燒過有關。在火燒地，植物種類數、植被蓋度、小黃花菜密度和蒿密度是取食地選擇的重要因素；在非火燒地，植被密度、昆蟲數量、植物物種豐富度及植物高度在大鴇取食地選擇中發揮重要作用。
  3. Moderate and rotational grazing can do some good to the development of leymus secalimus population, and ca n ' t result in desertification in grassland

    適度的輪牧可促進賴草種群的發育，增加植被蓋度，不會導致荒漠化。
  4. 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 。
  5. According to the configuration and ecotope of the earths surface, the coverage of vegetation, occupation ratio of bare sandy land and the soil texture were selected as evaluation indexes by using the field investigation data

    利用外業調查數據，依據地表形態和生態狀況的變化，確定了植被蓋度、裸沙地佔地百分比和土壤質地3項評價指標，並建立了基於遙感的科爾沁沙質荒漠化評價指標體系，其中裸沙地佔地百分比用混合像元分解的方法獲得。
  6. 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。
  7. Parts of grassland birds can use post - fire grassland to breed, they need little nest - materials and their nests are simple, or need smaller nest - site area and canopy of vegetation than other birds ; but the birds that need more nest - materials with fine nests and nest in areas with higher canopy do not select post - fire grassland to breed in the same year

    能利用當年火燒地繁殖的鳥類在築巢時所需要的巢材較少，巢也較簡陋，或者所需要的巢區面積較小，對植被的覆蓋度要求不高;而築巢時所需巢材較多、巢較精細、巢築于植被蓋度較大區域的鳥類不選擇當年的火燒地進行繁殖。
  8. At first, the relations between vegetation structures and their controlling soil erosion are discussed. the results show that magnitude of plant community coverage or canopy closure is n ' t certainly the adequate condition of an anti - erosive effective community because the community function of soil and water conservation is related to height of coverage layer as well as community coverage or canopy closure

    首先，討論了植被結構與其防止土壤侵蝕作用的關系，結果表明，植被蓋度或郁閉度的大小並不一定就是防蝕有效植被的充分條件，植被保持水土功能還與覆蓋層的高度密切相關，覆蓋層高度大並不有利於植被保持水土。
  9. 6. when the rainfall frequency was 83. 11 % that belong to low energy of rainfall, vegetation cover rate that was bigger than 80 % can totally diminish runoff energy, and prevent soil erosion. with eroded rainfall energy increasing the cut rate of vegetation for erosion gradually weak

    （ 6 ）對于發生頻率為83 . 11的低動能降雨，植被蓋度80可完全削減徑流能量，防止水土流失；隨著侵蝕性暴雨動能的增加，植被對徑流能量的削減率逐漸減弱。
  10. The habitats for moving about of great bustard are hillocks on grassland. and they prefer to move about on the valleies of grassland during their breeding season. there are 4 main vegetation characteristic factors that determine the nest - site selection, the factors are the vegetation canopy, vegetation density, food and the height of plant. the great bustard selects the areas with higher vegetation canopy, vegetation density, plant species and insect quantity. most height of plants are below 20cm, but we also found they move about in tall grass occasionally

    大鴇繁殖期活動棲息地為波狀起伏的草原漫崗地，多喜歡活動在海拔為170 300m左右，四周高、中間凹的漫崗凹地中。決定大鴇繁殖期棲息地選擇的主要植被特徵因子共有4個，分別為植被蓋度因子、植被密度因子、食物因子和植物高度因子。大鴇多選擇在植被蓋度和密度較大、植物種類和昆蟲數量較多及多數植物高度在20cm以下，但又不乏高草的地方活動。
  11. As a case study, the responses of leymus chinensis steppe of songnen plain in northeast of china to human being activity ( light grazing, middle grazing, heavy grazing and overgrazing ) were discussed based on the field observed data

    結果表明，隨著放牧強度的增加，羊草草原的植被蓋度和生物量隨之降低，優勢羊草群落將逐漸被鹽生植物所替代，群落結構趨于簡化，物種向旱生化和鹽生化演替。
  12. The whole water is supplied by rainfall. s. viciifolia endured slightly water coerce. the water wane of s. viciifolia is less than caraganar ' s, they adapt the specific soil water situation under different species composition, population density and vegetation coverage

    在整個生長季內，狼牙刺受不同程度的水分脅迫，但在不同立地條件下，通過不同的密度、物種組成及植被蓋度，從而適應特定的水分環境條件。
  13. The differences of biodiversity indices and vegetation coverage between the designed vegetation restoration pattern and the field data indicated that alpha and beta diversity indices were decreased in some parts of the region after vegetation restoration, however, vegetation coverage was reasonably increased, which would enhance the capability of soil and water preservation, thus could improve the ecological security of the region

    通過對比分析現狀植被蓋度及生物多樣性與植被恢復格局預測結果的差異，對區域植被恢復的效果進行評價，認為盡管植被恢復格局設計使部分區域生物多樣性下降，但它整體提高了地表植被覆蓋度，增強了抵禦土壤侵蝕的能力，對保障區域生態安全具有積極的效果。
  14. Analysis on the methods for assessing vegetation cover based on rs in alkali region, northwest china

    中國西北鹽堿區植被蓋度遙感方法分析
  15. Influence of soil humidity and vegetation coverage on wind erosion

    土壤濕度和植被蓋度對土壤風蝕的影響
  16. Plant cover and some differences in plant traits have notably effected on the local soil heterogeneity

    植被蓋度、植物種類及其生長特性對該區局部土壤異質性有重要影響。
  17. Analyzing the different vegetation cover rate of impact on runoff energy, we draw the cutting rate for runoff energy would increase with the vegetation cover rate increased

    （ 5 ）對不同植被蓋度對徑流能量的影響分析得出，植被蓋度越大，對徑流能量的削減率越大。
  18. Refers to prairies, grasslands on the slopes, and grass - mountains in pastoral and agricultural areas used for herding and grass growing with vegetation coverage above 5 %, including natural, planted or improved grassland

    指牧區和農區用於放牧牲畜或割草，植被蓋度在5 %以上的草原、草坡、草山等面積。包括天然的和人工種植或改良的草地面積。
  19. This method has four parts : data acquisition, image processing, pixel number extraction and coverage calculation., based on the precision assessment, the error is very small, and it has advantages such as objectivity, consistency and high precision, compared with visual estimation methods

    精度評價表明，該方法測定的綠色植被蓋度誤差很小，與目視估測方法比較，它具有客觀、一致和精度高的優點。
  20. The results showed that, in the course of wasteland restoration, the cultivated vegetation grew well ; the plant species was increased from 13 to 60, and the richness index, evenness index and diversity index of species was increased significantly ; the proportion of annual and biennial herbage in vegetation composition was decreased from 61. 5 % to 35 %, and the vegetation coverage was increased from 18 % to 80 %

    結果表明：荒灘恢復過程中，人工植被長勢良好，植物種類由恢復前的13種增加到60種，群落物種的豐富度指數、均勻度指數、多樣性指數均比恢復前顯著提高；生活型譜中一、二年生草本植物的比例由恢復前的61 . 5 %降低到35 % ，植被蓋度由恢復前的18 %增加到80 % 。
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