均勻度指數 的英文怎麼說
中文拼音 [jūnyúndùzhǐshǔ]
均勻度指數
英文
homogeneity index-
Combining with fragstats software, landscape diversity index ( h ), landscape dominance index ( d ), landscape evenness index ( e ), fractal dimension, landscape contagion index and landscape fragmentation index are calculated. they show : ? grassplot landscape is a primary landscape type in gansu. the numbers of big patch is much more
以甘肅省為例,基於景觀生態學基礎上,利用arcview和arc / info地理信息系統軟體對甘肅省景觀系統進行分類,結合景觀指標計算軟體fragstats計算出了甘肅省景觀多樣性指數( h ) 、優勢度指數( d ) 、均勻度指數( e ) 、斑塊分維數、聚集度指數以及斑塊的破碎度指數。Taking the land consolidation project of yizheng city in jiangsu province as an example, patch extension index, fractal dimension, diversity index, evenness index, dominance index, fragmentation index, corridor density, etc wee selected to analyze the characteristics of the landscape pattern before and after the land consolidation with the landscape ecology theory
摘要運用景觀生態學理論方法,以江蘇省儀征市某土地整理項目為例,選取斑塊伸長指數、分維數、多樣性指數、均勻度指數、優勢度指數、破碎度指數、廊道密度等景觀指標,對項目區整理前後景觀格局特徵進行分析。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。The indexes of diversity, evenness, dominance, isolation, fragmentation and fractal dimension are used in this study. the landscape structure evaluation was from three levels, which are sub - compartments, compartments and work region. used stores per square kilometer of forest and tm4 remote sensing image the author give the scaling analysis
根據中山陵森林資源調查數據,在分析其植被景觀現狀的基礎之上,應用景觀生態學原理,結合具體情況和考慮研究的可操作性,選取多樣性指數、優勢度指數、均勻度指數、分離度指數、破碎度指數、分維數指數6個指標,從地類景觀要素、林分類型和小班三個層次,對中山陵景觀進行結構評價初步分析。Number of species and individuals, species diversity index and evenness, and proportion of wader birds decreased from bay - mouth to bay - head, and was lowest in midbay
其中灣口的水鳥物種數、個體數量、多樣性指數、均勻度指數以及涉禽所佔比例均為最高,灣底次之,灣中部最低。H " was calculated using the shannon - wiener formula : h " = ? pi ? pi e was calculated using the pielou ' s evenness index e : e = h ' hmax = h ' ? s the results showed that diversity index on different parent materials varied between 0. 49 to 1. 02, the different parent materials followed the sequence of igneous rock > sedimentary rock > metamorphic rock > unconsolidated material ; the evenness index on different parent materials varied between 0. 27 to 0. 64, the parent materials followed the sequence of igneous rock > sedimentary rock > metamorphic rock > unconsolidated material
多樣性指數運用shannon指數公式計算,均勻度指數運用pielou指數公式計算。分析結果表明發育于不同母巖上的多樣性指數范圍為0 . 49 1 . 02之間,從高到低依次為火成巖、沉積巖、變質巖和疏鬆物質;土壤均勻度指數范圍為0 . 27 0 . 64之間,從高到低依次為火成巖、沉積巖、變質巖、疏鬆物質。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。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。Diversity index on different terrain varied between 0. 28 to 1. 75, the terrain followed the sequence of level land - plain > sloping land - medium - gradient mountain > sloping land - medium - gradient hill > level land - valley floor > sloping land - medium - gradient escarpment zone > level land - depression > steep land - high - gradient mountain ; the evenness index on different terrain varied between
發育于不同地形上的多樣性指數值范圍為0 . 28 1 . 75之間,從高到低依次為平原、中坡度、中坡度丘陵、山麓平原、中坡度峭壁帶、低洼地和高坡度山地;均勻度指數范圍為0 . 26 0 . 84之間,從高到低依次為中坡度、平原、山麓平原、中坡度丘陵、中坡度峭壁帶和低洼地。By using of the richness, diversity and evenness indices, combined with twinspan, dca, dcca, multi - factors regression, correlation analysis techniques and so on, species diversity and diversification mechanism were studied. the communities were classified into eight types by twinspan. the first axis of dca indicated basically the diversification of soil water, while the second axis indicated basically the disturbance degree by people. the correlations between n, organic matter, elevation and the first axis are negative association, and the others are positive
通過豐富度指數、物種多樣性指數和均勻度指數,結合twinspan 、 dca 、 dcca排序,多元回歸和相關分析,研究了物種多樣性及其變化機制,把植物群落分為8個群落類型;物種多樣性指數的dcca第一軸基本上反映了土壤水分的變化,第二軸基本上反映了人類對群落的干擾程度,物種多樣性指數隨土壤水分的增加而增大,隨人類的干擾程度的增加而減小。In the study, the dominance index and evenness index are used for analysis
本研究採用優勢度指數和均勻度指數進行分析。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 % 。The thesis used the diversity index, dominance index and evenness index to analyse the landscape patterns in the county, showing the embodying of the spatial characters caused by the man - made disturbance and landscape succession
接著,對柘榮縣的景觀格局進行分析。選用景觀多樣性指數、均勻度指數、優勢福建拓榮縣景觀生態特徵及景觀生態規劃的研究度指數對景觀格局進行分析。In addition, by means of landscape diversity, evenness, dominance, fragmentation, fractal dimension and statistics, the author respectively analyzed landforms, plant, soil and so on in the original ecosystem of the typical dumping site, the damaged ecosystem and the rehabilitated ecosystem. in fact, landscape matrix has been completely converted from the original ecosystem to the rehabilitated ecosystem. the indexes of diversity, evenness and dominance in forest landscape have sharply increased, but segregation decreased, which demonstrates that the rehabilitated ecosystem has been a reasonable and fine artificial ecosystem under the control of human
在此研究的基礎上,採用景觀多樣性指數、優勢度指數、均勻度指數和破碎度指數,以及分維方法和統計分析相結合的方法,對礦區典型排土場的原生態系統、破壞后的生態系統、重建生態系統的地貌、植被、土壤等景觀要素進行了分析,結果表明:從原生態系統到重建生態系統,景觀基質發生了根本性的變化,林地的多樣性、均勻性、優勢度大幅度增加,分離度降低,顯示了重建生態系統在人為的調控下,已初步形成一個結構較為合理、功能良好的人工復合生態系統。Qualitative and quantitative investigation ( visual encounter surveys ) of terrestrial mollusca were carried out in each sampling site of mangshan nature reserve and babaoshan of guangdong. all terrestrial mollusca in each sampling site were collected and identified. a list of the name of the species of terrestrial mollusca, margalef species richness index ( d _ ( ma ) ), shannon - wiener index ( h " ) and pielou evenness index ( jsw ) were used to analyze their biodiversity
對各個採集點的陸生貝類不但進行了定性調查,而且進行了定量調查( ves法) ,對調查採集到的陸生貝類物種進行編目,並採用margalef豐富度指數( d _ ( ma ) ) 、 shannon - wiener多樣性指數( h 』 ) 、 pielou的均勻度指數( jsw )對陸生貝類多樣性進行了分析。There were 66 species in the community 3 ( castanopsis fargesii + schima superba - itea chinensis - maesa japonica community ), and castanopsis fargesii and schima superba were the dominant species of tree layer, and itea chinensis and symplocos sumuntia were the dominant species of succession layer, and maesa japonica and ardisia japonica was the dominant species of regeneration layer
採用物種數、 m雌alef豐富度指數、 simpson和shannon一wiener多樣性指數、 simpson和shannon一wiener均勻度指數對黃茵嶺生態保護小區森林群落多樣性進行測定,結果表明該地區有較高的物種多樣性。Based on plant communities and plots investigation in jinfo mt. and experimental site in guilin, the author calculated the indices of every plot with its species richness index, simpson index, shannon - wiener index, pielou evenness index and alatalo evenness index. the author analyzed the character and variation of the biodiversity in different area and different layers about the plots in jinfo mt
1採用典型樣方法,在金佛山和桂林實驗場選取典型樣地並做野外調查,分別計算各樣地的物種豐富度指數、 simpson指數、 shannon - wiener指數、均勻度指數、 pielou均勻度指數、 alatalo均勻度指數,對金佛山不同地區樣地生物多樣性以及不同地區不同層次生物多樣性特徵和變化進行分析。These diversity indexes indicate a trend - the more abundant and even the components and more complicated the habitats of the community, the higher value of these diversity indexes whether margalef species richness index ( d _ ( ma ) ), shannon - wiener index ( h " ), or pielou evenness index ( jsw ) were used to analyze the biodiversity of terrestrial mollusca. the change of shannon - wiener ( h " ) is accordant with species and margalef species richness index ( d _ ( ma ) )
兩地區陸生貝類多樣性指數h夕與多樣性指數s 、苗劍的變化相一致,且s 、 h夕、或峨的值以莽山的紅旗橋和八寶山的五里坑為最高;陸生貝類均勻度指數( js刃不受豐富度指數影響,但是均勻度指數影響多樣性指數h , ,一般來說js ,高, h ,越高,但也有例外情況。The dominance index is often contrary to the diversity index, index of diversification and evenness index in change rules
優勢度指數常常與多樣性指數、多樣化指數、均勻度指數的變化規律相反。Richness index, evenness index and diversity index were selected as indicators of pedodiversity. here we used shannon index ( h " ) as diversity index and pielou index ( e ) as evenness index
土壤多樣性指數包括豐富度指數(特定區域內發育的土類數目) 、多樣性指數( h )和均勻度指數( e ) 。分享友人