community diversity 中文意思是什麼

community diversity 解釋
群落多樣性
  • community : n. 1. 村社；社會，集體；鄉鎮，村落；【生物學】群落，群社。2. 共有，共用；共同體，共同組織；聯營（機構）。3. 共（通）性；一致（性）；類似性。
  • diversity : n. 1. 不同，異樣，差異。2. 繁多，多種，多樣，駁雜，參差。
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Study on the species diversity of plant community and coniferous bark beetles community diversity in niubeiliang nature reserve

    牛背梁自然保護區植物群落和針葉樹小蠹蟲群落物種多樣性研究
  3. Diversity indices of benthos benthic community

    底棲生物底棲群落多樣性指數
  4. The lowest species diversity occurs in the community iv in which microlepia sino - strigosa ching is the dominant species, while the highest species diversity occurs in the community i. in the communities studied, the total related differences vr are from 7. 19 to 4. 95, and the test statistics w are from 229. 96 to 49. 95, which indicates a notable positive correlation among species which have consanguineous relationships each other in the communities and the communities are in a fairy stable period. from the test of the interspecific relatedness among species in the communities we know that s. tsinyunensis present negative correlations with all the concomitance species, among which there are 8 species pairs of notably negative correlation and 51 species pairs of extremely notable negative correlation

    4 ）群落主要物種間聯結性檢驗中，對各個群落調查的物種和種對依次為（從群落） ： 20種44對、 11種38對、 16種42對、 13種16對、 11種26對、 14種51對、 14種20對、 17種51對，其中縉雲黃芩與群落中其主要伴生物種間全部表現為負聯結，其中有9個種對間聯結性達到顯著水平，有50個種對間聯結性達到極顯著水平。
  5. Structure and diversity of wetland bird community in kasha lake

    卡莎湖濕地鳥類群落組成及多樣性分析
  6. Community ' s a diversity is measured by simpson diversity index, shannon - wiener diversity index and pielou evenness index. the results show that habitats range in a diminishing sequence of diversity indices from broadleaf forest, broadleaf bush, grassland bush to bamboo forest ; that altitude belts range from 600 - to - 1200 - m belt, under - 600 - m belt to 1200 - to - 1800 - m belt, and no longicorn beetles was found above 1800 m ; months from july, may, june to august, a diversity analysis shows that complicated habitats can hold higher biodiversity

    結果表明，不同生境多樣性指數從高到低的順序是：闊葉林、闊葉灌叢、灌草叢、竹林；不同海拔多樣性指數從高到低的順序是： 600 ? 1200m區間、 600m以下區間、 1200 ? 1800m區間， 1800m以上區間暫未發現天牛科昆蟲；不同月份多樣性指數從高到低的順序是： 7月、 5月、 6月、 8月。
  7. Results as following : in the east china sea and the yellow sea, zooplankton showed higher diversity in the low latitude and warm species occurred mainly in the south of 31 n, five communities were distinguished by twinspan method, based on data of species composition and environmental factors. they are : i ) yellow sea neritic community ( f ) with indicator species of labidocera euchaeta in autumn and centropages mcmurrichi in spring ; ii ) yellow sea central community ( hc ) with indicator species of themisto gracilipes, calanus sinicus and euphausia pacifica, the latter two species occurred only in autumn ; iii ) east china sea continental shelf mixed water community ( k ) with indicator species such as rhincalanus cornutus and pterosagitta draco which were confined in waters with high temperature and salinity, iv ) yellow sea and east china sea mixed water community ( he ) and v ) east china sea inshore mixed water community ( m )

    根據twinspan等多元分析結果，比較各組群的浮遊動物種類組成和環境特徵，可將東、黃海浮遊動物群落分為5個，黃海沿岸群落（ f ） ，指示種秋季為真刺唇角水蚤，春季為墨氏胸刺水蚤；黃海中部群落（ hc ） ，指示種以細長腳蟲戎為主，秋季還有中華哲水蚤和太平洋磷蝦；東海外陸架高溫高鹽群落（ k ） ，指示種為角錨哲水蚤、飛龍翼箭蟲等多種狹布型暖水種類；黃東海交匯區群落（ he ）和東海近岸混合群落（ m ） ，兩群落包含多種生態類型種類，其中溫帶近岸低鹽種在he中較多，廣布性暖水種在m群落中較多。
  8. The objectors have made much of the diversity of the bird community in long valley, emphasizing that over 210 bird species have been recorded there since 1983

    反對者就?原雀鳥的種類多樣化大造文章，強調自一九八三年以來在?原錄得超過二百一十種雀鳥。
  9. The percentage of density of s. costatum in phytoplankton rised from 58. 7 % in last year to 60. 0 % in this year, which resulted a decline of the diversity index from 1. 91 to 1. 75, and evenness from 0. 47 to 0. 42, indicating that the biodiversity and evenness of phytoplankton community in zhelin bay became worse and worse, and the structure of community retrogressed

    中肋骨條藻在浮游植物總數量的百分比由第一年度的58 . 7上升到本年度的60 . 0 ，導致多樣性指數由1 . 91減小到1 . 75 ，均勻度由0 . 47減小到0 . 42 。這表明，與上一年度相比，柘林灣浮游植物群落的生物多樣性和穩定性進一步降低，群落結構退化。
  10. The study tours covered reginas shelter belt research institute, the indian head research center, community pastures, saskatoon irrigation diversity research center, the agriculture research center at saskatchewan university, the swift current research station, lethbridges irrigation demonstration farms and research center, the alberta research institute, the elerslie research farm, the lacombe research stations, the western beef group, transaltas coal mine land reclamation project and some typical farms and pastures

    參觀考察了位於里賈納的防護林研究中心印第安海德研究中心社區牧場薩斯卡通灌溉多樣化研究中心薩斯喀徹溫大學內的聯邦農業部農業研究中心斯威夫特卡倫特研究站萊斯布里奇的灌溉示範農場萊斯布里奇研究中心阿爾伯塔省研究院elerslie研究農場拉康姆豬研究站和西部肉牛小組transalta煤礦復墾項目以及一些典型的農牧場。
  11. The diversity, community structure, and species composition of springtails in the soil reflect the status of soil quality and contamination

    土壤中跳蟲的多樣性以及群落結構、物種組成都反映了土壤的質量和污染狀況。
  12. The density with the biodiversity increasing shows " m " model. ( 3 ) the correlation analysis shows : elevation, slope, development stage and biomass are main factors which affect the biodiversity pattern in the research region. the biodiversity of the quercus aliena var. acutesrata community shows the patterns with the elevation and slope affecting : on sunny slope, the species diversity increases with the elevation increasing below the attitude of 1640m and its climax is at this attitude ( the diversity index h = 1. 68 ), upward this point, the diversity index descends slowly. the evenness shows ascend trend with the elevation upward, its climax point at 1800m ( the evenness index jsw = 0. 78 ), then descending after this point

    （ 5 ）通過分析，銳齒棟群落生物量與生物多樣性呈現如下關系:在海拔1500一170枷范圍內，銳齒棟群落生物量與物種多樣性之間呈單峰曲線關系;在海拔1700一1900m范圍內，生物量與物種多樣性之間呈不明顯的波動關系;在海拔1900一2100m范圍內，生物量隨物種多樣性的增加而增大，通過對不同高程內生物量與物種多樣性分析發現，隨著海拔的上升，最大生物量對應的物種多樣性略有增加趨勢;在相同海拔和坡向條件下，生物量與物種多樣性之間也呈典型的單峰曲線關系;群落凈生產力與物種多樣性之間總體上也呈單峰曲線關系。
  13. Soil water content was measured at 28 points in the catchment. biomass and productivity of the plant communities, transpiration rates of dominant plants, and plant community diversity were also measured at various points along the slope. l. in general, it seemed that soil water content increased from the top to the bottom of the catchment.,

    在相似植被及坡面形狀條件下，土壤水分沿坡面向上逐漸降低；植被類型及其分佈與土壤水分的坡面分佈密切相關，對上述趨勢有減弱的作用，研究發現在偏旱的2002年生長季末，陰坡灌叢坡面坡下的土壤水分含量明顯低於坡上。
  14. Study on community characteristics and community diversity in stipa steppe of qinghai lake region

    青海湖區針茅草原植物群落特徵及群落多樣性研究
  15. Preliminary study of community diversity of stechlin lake in berlin, germany

    湖原生動物群落多樣性特徵的初步研究
  16. Arthropod community diversity in jujube orchards with integrated and conventional pest management

    綜合防治與常規防治下棗園節肢動物群落多樣性的比較
  17. Progress in quantitative studies on the forest management effects on community diversity

    多樣性影響的定量研究進展
  18. The regular changes of protozoan community diversity in an artificial lake in harbin, china

    哈爾濱人工湖泊中原生動物群落變化規律
  19. Analysis of avian community diversity in changsha huanghua international airport

    長沙黃花國際機場鳥類群落物種多樣性分析
  20. Based on the biodiversity, a new concept of tourist attraction community diversity ( tacd ) and its calculation models were suggested and were analyzed by tiantai county as an example

    借鑒生物多樣性的研究方法，提出了景區群落多樣性的概念和計算模型，並以浙江天臺縣為例進行實證分析。
分享友人
分享到 Line

分享到臉書