vegetation coverage 中文意思是什麼

vegetation coverage 解釋
植被蓋度
  • vegetation : n. 1. 【植物;植物學】營養體生長,發育;〈集合詞〉植物,植被,植生,草木。2. 無所作為的生活,單調的生活。3. 【醫學】贅生物,增殖體。adj. -al
  • coverage : n. 范圍,規模,總額;〈美國〉保險額;保證金,現金準備;〈美國〉(新聞)報導(范圍);【植物;植物學】優勢度。 coverage diagram 【航空】搜索范圍。
  1. Minqin desert area belongs to the typical droughty desert shrubs and its vegetation coverage only comes to 5 % desert climate and its 15 %

    摘要民勤沙區屬于典型的乾旱荒漠氣候,植被以灌木荒漠為主,蓋度一般只有5 % ~ 15 % 。
  2. Based on different regions, the drainage can be used to expand sand control belts of arbors, shrubs and grasses, to increase vegetation coverage of halosols deserts by salt - tolerant plants, or to set up protective belts of salt - tolerant plants around artificial oases

    根據區域不同,利用農田排水拓展喬灌草防沙帶、增加鹽成土荒漠耐鹽植被的蓋度、使人工綠洲邊緣的荒漠能夠生長耐鹽植物等都是農田排水資源化利用發展的方向。
  3. Finally, the developing strategies of liaoning forestry in the 21st century were mapped out, namely, based upon advantages of forestry in eastern areas, upgrading the forestry development in central regions, moving ahead into western parts gradually, increasing the vegetation coverage by using moods of moving of forest climate, in the end the ecological situations of liaoning province would be changed thoroughly

    通過戰略性分區及研究各區的林業發展、人口分布、森林覆蓋率之間的關系,探討了21世紀遼寧林業的可持續發展戰略。 21世紀遼寧林業發展的主導戰略是生態林業戰略:以遼東林業的優勢為基礎,加速提高中部林業,以梯度推進的方式向西部推進,用森林氣候推移的方式及植被恢復技術提高遼西植被度,徹底改變遼寧的生態狀況。
  4. The air anion bar ' s feature of mount huangshan is : the air ion appraisement coefficient is big, the maximum is 351. 37, the single cofficienl of air ion is small, the minimum is only 0. 09 ; in summer air ion density is high ; when the forest vegetation coverage rate is high ; the area of the natural air anion bar of mount huangshan is not only large, but it " s also distributes to the mountain peak, the distribution area of summit is small

    黃山風景區天然氧吧的特徵是:空氣離子評議系數大,最高達351 . 37 ,空氣離子單極系數小,最小隻有0 . 09 ;夏季大氣離子濃度高;天然氧吧在風景區面積不僅大,而且從山腳至山頂都有分佈。黃山天然氧吧的成因主要源於豐富的森林植被、良好的水文條件。
  5. The study results showed that it was suitable for assessing the impact of highway route selection on the ecological environment using quantitative analysis indexes of vegetation coverage, biomass, flood detention ability, soil character change, cropland occupation and water and soil erosion, and it was suitable for route selection using the comprehensive ecological impact assessment method

    結果表明,用植被覆蓋率、生物量、滯洪能力、土壤變化、農田佔用、水土流失量等6項指標來定量分析生態影響程度效果較好,採用綜合生態影響評價指數法確定線路的舍取是可行的。
  6. 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。
  7. 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。
  8. With the increase of vegetation coverage, the amounts of slowly available k and rapidly available k lost in the runoff obviously decrease

    植被覆蓋度增大,緩效鉀、速效鉀流失量顯著減少。
  9. Vegetation coverage ( slope gradient 20 ) has more effect on the loss of soil, slowly available k, and rapidly available k than slope gradient

    植被(在坡度20o64 )比坡度對土壤、緩效鉀和速效鉀流失量的影響更大。
  10. When vegetation coverage is 10 %, amount of slowly available k, rapidly available k, and dissolved k lost in the runoff are less 74. 51 %, 73. 84 %, and 4. 66 % than open ground

    當植被覆蓋度達到10時,緩效鉀、速效鉀和溶解態鉀流失量分別比裸地減少了74 51 、 73 84和4石6
  11. 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
  12. 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。
  13. 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 % 。
  14. Assessment of vegetation coverage factor in soil erosion model based on aster image interpretation

    影像的土壤流失方程植被覆蓋因子估計
  15. ( 7 ) the concentration of dissolved k basically decreases with the increase of vegetation coverage

    ( 7 )溶解態鉀濃度基本隨著植被覆蓋度的增大而減小。
  16. Among the five fusion images the brovey image had the highest classification accuracy, it was 99. 5 %, and it was high enough for the acquirement of the vegetation coverage of the city

    尤其是brovey融合圖像提取植被信息的精度達到99 . 5 ,已經能夠滿足準確提取植被覆蓋率的需要。
  17. In this study, two methods were used to estimate the urban vegetation coverage from remote sensing data : automatic classification of merged tm images and spot images ; interpretation of mixed pixels of tm images

    並對ikonos影像在圖像增強的基礎上採用系統抽樣和目視勾繪植被信息的方法取得研究區的植被覆蓋率數據,作為評價融合分類和分解效果的依據。
  18. Vegetation coverage, the ratio of vegetation occupying a unit area, is a very important parameter in the development of climate and ecological models. on - ground filed work surveys of vegetation coverage are time consuming and expensive and produce low - precision results

    本論文以南京市南部城區為研究區域,探討了分別運用tm圖像與spot圖像進行融合分類和對tm圖像進行混合像元分解兩種方法來提取小片林面積以計算植被覆蓋率。
  19. It is discovered that the correlation between msavi ( modified soil adjusted vegetation index ) and vegetation coverage is higher than that between ndvi ( normalized differential vegetation index ) and grassland coverage when the land cover is low. so msavi can be used as the main index of grassland desertification degree. in order to evaluate the precision of the result, different methods such as supervised classification, unsupervised classification and visual interpretation on image are tried respectively

    本文將其作為草地沙化的分級指標,直接通過計算分級,建立msavi等級與草地沙化程度的對應關系,確定草地沙化的程度,然後將msavl分類結果分別與目視解譯、監督、非監督分類的結果進行了精度比較,其精度高於監督與非監督分類,與典型區現場繪制和目視解譯結果的誤差為5 . 9 ,能滿足草地沙化監測實際應用要求。
  20. In this thesis, with eight events of artificial water - washing test on five different slope gradients, factors affecting soil potassium loss by erosion, such as slope gradient, rain intensity, vegetation coverage, and amount of rainfall are discussed

    本文通過在5個不同坡度徑流小區進行的8次人工模擬沖刷試驗,探討了坡度、放水沖刷強度、植被和降雨量等因素對土壤鉀素徑流流失的影響。
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