物種豐度 的英文怎麼說

中文拼音 [wùzhǒngfēngdù]
物種豐度 英文
eciesabundance
  • 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...
  • 種 : 種名詞（姓氏） a surname
  • 豐 : Ⅰ形容詞1 （豐富） abundant; plentiful; rich; full 2 （大） great 3 （容貌和姿態美好的） fine look...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 物種 : [生物學] species; speci 物種起源 origin of species; 物種起源學說 theory of origin of species; 物...
  • 豐度 : abundance ratio
  1. In all hassock communities, species richness was high in ruderals but was low in typical degraded hassocks

    雜類草草從具有較高的豐富皮指數，而演替到較為穩走的退化草叢物種豐富度指數呈下降趨勢。
  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. Forests sometimes contain many tree species within a small area ( as in tropical rain and temperate deciduous forests ), or relatively few species over large areas ( e. g., taiga and arid montane coniferous forests )

    作為普遍規則，受被子植物支配的森林（闊葉林）比那些受裸子植物支配的森林（松樹或針葉林）物種豐富，雖然有例外存在（例如，種類匱乏的白楊和樺樹生長在北緯度地區） 。
  4. The species richness and diversity index order of coniferous and broad - leaf forest and evergreen broad - leaf forest in different geology plots was as follows : shrub layer > herb layer > tree layer ; in shrub plots, the order was herb layer > shrub layer. in general jsw, jsi and ea index order was herb layer > shrub layer > ree layer. that indicated that the species of tree and shrub in karst area distributing is not even, and the species, which are dominant and adapt to the karst environment are cleaer

    不同地區樣地針闊混交林和常綠闊葉林物種豐富度指數、多樣性指數均表現為灌木層草本層喬木層，而在灌叢樣地，物種豐富度和多樣性指數表現為草本層灌木層；整體上，石灰巖地區樣地jsw 、 jsi和ea指數為草本層灌木層喬木層；砂頁巖地區樣地為灌木層草本層喬木層。
  5. A total of 445 species belonging to 24 families was collected, among which noctuidae and geometridae are dominant groups and 13 species are common to every forest zone

    隨海拔的升高類蛾的多樣性指數明顯降低，其中紅松闊葉林帶蛾類的物種豐富度、個體數量和多樣性指數都最高。
  6. Results demonstrate that with the succession going on from herbosa shrubs coniferous forest theropencedrymion evergreen broad - leaved forest, abundance and diversity index of species, biomass and productivity of vegetation all show a rising trend prior to the formation of a mature and stable biotic climax

    結果表明：隨著草叢灌叢針葉林針闊混交林次生常綠闊葉林正向演替的進行，在未形成成熟而穩定的頂極群落之前，物種豐富度、物種多樣性指數、植被生物量及生產力都呈增大趨勢。
  7. 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 。
  8. Enclosing sandy - land merely without sand barriers ca n ' t lead to effective restoration of its vegetation. and in such sandy - land, the dominant plant species is still agriophyllum arenarium, and the coverage and the species richness are rather low

    只封禁多年但沒有設置沙障的流動沙丘，其植物群落的恢復效果很差，優勢種依然為沙米，並且群落蓋度和物種豐富度很低。
  9. If mechanical and biological sand barriers are established in such land, sand can be prevented from drifting effectively, so that with the stabilizing of sand much more plant species can settle down easily, and the plant species richness can increase dramatically

    強烈的風沙活動是流動沙地植物定居的限制因子。採取機械沙障和生物沙障的植被恢復重建措施，可以迅速固定流沙，促進植物的定居，提高植物物種豐富度。
  10. E. due to favorable condition of soil moisture, weak activity of wind and sand, and low inter - specific competition intensity resulting from repeated alternation between sand dunes and inter - dunes, the plant species richness and the plant species evenness are quite high in inter - dunes. f

    由於丘間地水分條件較好，受風沙活動的影響較小，同時由於流動沙丘和丘間地的不斷更替降低了物種之間的競爭強度，就使丘間地具有較高的物種豐富度和物種均勻度。
  11. Species richness was generally low in all shrub communities

    各類灌叢之間物種豐富度指數相差不大。
  12. The result suggests that the species richness index ranks as following among 6 stations : yangma islet > drogan - whisker islet > moon bay > jingouzhai > jingouzhai gravel, and yangma islet possessed the highest species diversity index, while jingouzhai the lowest, the order of species diversity index among 6 stations is yangma islet > moon bay > drogan - whisker islet > jingouzhai > zhifu islet > jingouzhai gravel, the order of species evenness index is : moon bay > drogan - whisker islet > yangma islet > jingouzhai > zhifu islet > jingouzhai gravel

    紅藻群落的物種豐富度依次為：養馬島芝罘島龍須島月亮灣金溝寨金溝寨礫石灘；物種多樣性指數以養馬島為最高，金溝寨礫石灘最低，依次為：養馬島月亮灣龍須島金溝寨芝罘島全溝寨礫石灘；物種分佈的均勻度指數依次為：月亮灣龍須島養馬島金溝寨芝罘島金溝寨礫石灘。
  13. We studied the vegetation on six pre - islands ( land areas which will become islands as a result of flooding ) in the three gorges reservoir with a focus on plant species richness for each community

    摘要三峽水庫蓄水導致原有生境的島嶼化，本文調查了三峽水庫6個即將形成的島嶼蓄水前的植被特徵，並對這些島嶼上各類群落類型的物種豐富度進行了分析。
  14. The results indicated that as the intensity of sward cleavage increased, elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ; low - intensity sward cleavage could help increase species diversity to a certain extent, but the diversity index appeared to decline as a whole as the cleavage intensity increased ; the effects of sward cleavage on functional groups of the vegetations showed in such manner as e. nutans - represented grasses increased in their composition with the intensity of sward cleavage raised, and sedges and forbs decreased in their compositions with the intensity of sward cleavage raised ; sward cleavage showed a significant improving effect on primary productivity of the meadows and was capable of increasing the proportion of quality - grass biomass to the total plant biomass ; sward cleavage could be independently employed as an effective measure to rehabilitate and improve alpine - meadow grasslands and thus played a basic and key role in the technical combination aiming at establishing hay fields characterized by e. nutans

    結果表明：垂穗披堿草等對土壤通透性和資源空間要求較高的物種，競爭力隨劃破強度的增加而上升，而對土壤通透性和資源空間要求相對較低的物種則相反；輕度劃破干擾對提高物種豐富度具有一定的促進作用，但多樣性指數則總體上表現為隨劃破強度的增加而呈下降的趨勢；劃破干擾對植被功能群的影響表現為以垂穗披堿草為代表的禾草類組分隨干擾強度的增加而顯著上升，莎草類和雜類草組分隨干擾強度的增加而顯著下降；劃破干擾對草地初級生產力的提升具有顯著的促進作用，且可顯著增加植物總量中優質牧草的比重；劃破干擾可獨立作為高寒草甸類草地恢復與改良的有效措施，在定向培育垂穗披堿草型割草場的技術組合中具有核心和基礎性的地位。
  15. Analysis on the species richness and diversity index, community evenness in different plots and layers of evergreen broad - leaved forest in shiyang forest center in wencheng, zhejiang province resulted that species richness and diversity index, community evenness of the second sublayer of tree layer was much greater than that of the first sublayer in the vertical structure of the community

    對文成縣石?林場常綠闊葉林的不同樣地、不同層次的物種豐富度、物種多樣性指數和群落均勻度進行了分析，結果表明:在群落垂直結構中，喬木層第2亞層的物種豐富度、物種多樣性指數、群落均勻度顯著大於第1亞層。
  16. Biodiversity indices are much influenced by the types of the vegetation in jinfo mt. the species richness index, diversity index and evenness index of the plots in karst area raised when the plots were jamming early and slightly ; species richness index and diversity index of the plots in nonkarst area raised when the plots were jamming early and slightly, but evenness index fell. the diversity index and species richness index of original vegetation in karst area are lower than in nonkarst area

    不同植被類型顯著影響其生物多樣性的變化，金佛山石灰巖地區植被在受到中輕度人為干擾初期，其物種豐富度和多樣性、均勻度指數均有提高；砂頁巖地區植被受到中輕度干擾，豐富度和多樣性指數有所提高，均勻度指數呈相反趨勢；石灰巖地區原生植被生物多樣性和物種豐富度指數較砂頁巖地區的原生植被低。
  17. Choosing hanzhong region as investigating region, the species of acridoidae as object, by the means of systematic research, location research, seasonal research and full - scale research, the student studied the biodiversity of acridoidae in hanzhong according to the results of analysis and clustering by use of software tools such as excel and spss on the biodiversity indexes including species richness index ( ds ), shannon - wiener index ( h " ), simpson index ( a. ) and pie index, and pielou index ( e )

    本研究以漢中地區為研究范圍，以蝗總科acridoidae昆蟲對象，通過系統調查、定點調查、季節調查和全面普查等為研究手段，應用excel電子表格和spss等工具軟體對調查數據進行聚類和分析，選擇物種豐富度指數、 shannon ? wiener信息多樣性指數（ h 』 ） 、 simpson優勢度指數（ ） 、 pielou均勻度指數（ e ） 、種間相遇機率（ pie ）和物種多度等多樣性研究指標研究了漢中地區蝗總科生物多樣性。
  18. The species richness and diversity index of the tree layer and the shrub layer was obviously higher than that of the herb layer, and their evenness had evident difference

    喬木層、灌木層的物種豐富度、物種多樣性指數均大於草本層，且差異極顯著，群落均勻度差異顯著。
  19. The results showed that : from north - facing slope to south - facing slope and plain field, the species evenness and diversity index decreased ; from plain field to north - facing slope and south - facing slope, richness index also decreased

    結果表明，當生境由陰坡向灘地到向陽坡變化時，各種多樣性指數的變化順序為，物種豐富度：灘地陰坡陽坡；均勻度和多樣性指數：陰坡陽坡灘地。
  20. The results show that : in the 2 - 4m of road buffer zones and 0 - 10m of infrastrctuer buffer zones, the density of dominant species and biomass will decrease for herbs, and abundance and proportion will get bigger than other exents ( inner species increasing owing to the outer species invading ) ; in the shrub disturbence extent, there exists an inverse relationship between the influence degrees and buffer zones ; in the 40m of infrastructure buffer zones, there has the biggest influence on the trees, however, the effect of road buffer zones is unobvious, only a small change on the morphology

    結果表明，草本類，游道影響源干擾區在2 4m ，設施類在0 10m ，原有優勢種密度減小，物種豐度較其它干擾范圍內有所增加（外部種入侵導致本地植物的種類數目增多） ，均勻度也增大，生物量減少；灌木類，在干擾范圍內，影響程度與影響源的距離成負相關關系；喬木類，接近設施類40m處影響最大，游道類影響源則影響效果不明顯，只有形態上略有變化。
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