植被覆蓋密度 的英文怎麼說

中文拼音 [zhíbèifùgěmìdù]
植被覆蓋密度 英文
density of cover
  • 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...
  • 覆 : 動詞1. [書面語] （蓋住） cover 2. [書面語] （底朝上翻過來; 歪倒） overturn; upset 3. 同 「復」 （Ⅱ1. 2. ）
  • 蓋 : 蓋名詞（姓氏） a surname
  • 密 : 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）...
  • 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
  • 覆蓋 : 1 （遮蓋） cover; overlap 2 （植被） plant cover; vegetation3 （保護層 覆蓋物） cover; covering; ...
  1. 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密度、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;在人類對地表植被的高強度作用下，物種多樣性與植被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;斑灶馬數量與植物種數呈正相關，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。
  2. 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。
  3. The results showed : there were close relationships of rainfall intensity during once precipitation, soil moisture content between two adjacent rainfall, plant coverage, grade of slope and the amount of soil erosion

    研究表明該區次降雨雨強、降雨前期土壤含水量、植被覆蓋度、坡面坡度和土壤侵蝕量之間存在著密切的相關關系。
  4. The method of delphi is used to decide the weight of all environmental factors, among which vegetation coverage is the most important, next is pollution load and water channel density

    利用層次分析法定量各指標的權重，表明植被覆蓋是影響石河子市生態環境最重要的因素，其次為污染負荷與水網密度狀況。
  5. The density and coverage of shrubs in vegetation had a negative correlation with the fixing - sand time, but those of herbs had a positive correlation

    灌木植物的密度和覆蓋度與沙地固定時間呈負相關;草本植物密度和覆蓋度與人工植被沙地固定時間呈正相關。
  6. The landscape pattern of change on the fraction of green vegetation during this period was studied using a landscape pattern analysis program fragstats by analyzing path size, number of patches, shape metrics and landscape heterogeneity metrics to show the changing feature of landscape pattern. all of these results of indices analysis emphasize that the eco - environmental system in beijing mountain area in a whole is stable and the fragmentation and heterogeneity level in the last five years is decreasing

    本文在fcdmappingmodel原理和方法的基礎上，利用1994年和1999年的兩期landsattm數據，對北京北部山區昌平區、懷柔縣、密雲縣、平谷縣和西部山區門頭溝區的植被覆蓋率進行了計算，並利用fragstats軟體對其景觀變化過程從斑塊大小、數量、形狀和景觀異質性等角度進行了時空格局變化的剖析。
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