diversity region 中文意思是什麼

diversity region 解釋
多變區,d區
  • diversity : n. 1. 不同,異樣,差異。2. 繁多,多種,多樣,駁雜,參差。
  • region : n. 1. 地方,地域,地帶;地區;行政區,管轄區,區;左近,鄰近;(大氣、海水等的)層,界,境。2. 【解剖學;動物學】(身體的)局部,部位。3. (學問等的)范圍,領域。4. 〈罕用語〉天空。
  1. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有地上地下雙層結構,可溶巖造壤能力低,巖溶水空間分佈不均、地表地下水關系密切、水源易漏失,偏堿性環境、生物資源集聚程度低,植被逆向演替快、順向演替難,巖溶地質與生態環境十分脆弱,受到人為因素的影響和破壞,極易產生石漠化、土壤侵蝕與退化等一系列問題。
  2. Two captive populations could n ' t be defined as separate evolutionary significant units ( esus ) because of lacking of genetic divergence between them, and should be considered as a single esu in the conservation of the species. by comparing the sequences of control region of mitochondrial dna from three species of crocodiles, it is revealed that the smallest genetic diversity exists between alligator sinensis and alligator mississipiensis. a portion of mitochondrial nd4 and cytochrome b gene of 3 species of crocodilian was sequenced

    百年來關于揚子鱷的分類地位存在著很多爭議,本文利用測得的揚子鱷( alligatorsinensis ) 、暹羅鱷( crocodlylussiamensis )和灣鱷( crocodylusporosus )的mtdnand4和cytb基因序列,以及從genbank中獲得密西西比鱷、凱門鱷和海龜( cheloniamydas )的nd4基因和cytb基因相應片段,構建以海龜為外群的系統進化樹。
  3. ( 2 ) region is mainly made up of large patches which are distributed collectively. region landscape is mainly made up of the hill grassplot landscape of mountainous region and desertification landscape. ( 3 ) with the enhancement of human beings effect, landscape diversity indexes are declined, landscape evenness indexes are reduced, and landscape fragmentations are intensified

    通過這些指數的分析表明:甘肅省以草地景觀為主,斑塊數較多,大小斑塊間差異較大,斑塊形狀較復雜,自相似程度較低,區域總構形較復雜;區域總構形以大斑塊為主體,呈聚集型分佈,構成景觀主體的是山地丘陵草地景觀和裸地景觀;隨著人類干擾強度增加,景觀多樣性下降,均勻度降低,景觀破碎化程度加深。
  4. Likewise, few countries have such diversity in terms of culture and language : german is prevalent in zurich and the northern, central and eastern regions ; french in geneva and the western region ; italian in lugano and the southern region ; and romansh in st. moritz and the southeastern region

    同樣地,在文化與語言的多樣性方面,沒有幾個國家比得上瑞士:蘇黎世以及瑞士北部、中部和東部地區使用德語;日內瓦和瑞士西部地區使用法語;盧加諾和南部地區使用義大利語;聖莫里茨和東南部地區使用羅馬語。
  5. The apec approach, featuring such principles as consensus and voluntarism, tallies with the reality of diversity of the region and holds the key to the success of its member economies through closer cooperation

    它創立的由協商一致自主自願等原則構成的"亞太經合組織方式" ,符合本地區多樣性的客觀實際,是各成員加強合作取得成功的關鍵所在。
  6. 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。
  7. It is one of the largest scenic spots in siniao region. the numerical classification, analysis of species diversity and interspecific association of the forest in meizi lake area were conducted. 1

    本文採用樣方法,設置了14個20m 20m的樣方,對梅子湖的森林植被進行了數量分類、物種多樣性分析和種間聯結的研究。
  8. Steppe diversity, however, is characterized by higher plant diversity in the ecotone, especially in the forest - meadow region. diversity indices of plant communities reached peak values at the boundaries between the ecotone and the forest zone or the steppe zone, and between the forest - meadow region and the meadow - steppe region within the ecotone

    在森林-草原交錯帶多樣性指數較高,表現在多樣性指數在森林-草原交錯帶與森林帶和草原帶之間以及森林-草原交錯帶內森林草甸區和草甸草原區之間的邊界不同程度地出現峰值。
  9. The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation

    本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象,採用傳統生態學的野外調查方法,從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境(土壤含水量、溫度)相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化,取得了如下研究結果: 1 、植被群落組成、多樣性及生活型:沙坡頭地區人工植被經過近50年的演變,從流動沙丘到固定沙地,沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,隨著固定沙地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周轉速率最大,即群落結構變化最大。
  10. Niche and genetic differentiation of several desert plants were detected to analyze the relationship between niches and genetic diversity of desert plants, test niche breadth variation hypothesis, and probe the reasons for haloxylon ammodendron endangering. in this paper, the study on plant community species diversity and genetic diversity in the region will provide scientific theory basis for conquering desert

    從物種多樣性和遺傳多樣性兩個層次上,闡明了荒漠地區的生物多樣性特徵;在分析幾種荒漠植物(堿蓬、叉毛蓬和梭梭)遺傳變異和生態位的基礎上,探討荒漠植物種的生態位與遺傳多樣性的關系,驗證關于生態環境與遺傳變異的生態位寬度變異假說。
  11. In the meantime, with the southward invasion of the northern species and the adaptive evolution of the alpine species, the greatest fauna particularity and species diversity are to be found in this region

    在此期間,北方物種向南入侵,南北成分交互滲透,高山類群適應進化,使許多特有成分在這里被陶冶、孕育,故而造成了該地區蠅科區系的特有性和物種的多樣性。
  12. The species diversity of the forest in this area is richer than in other secondary forests in the same region, which reveals that the community was disturbed moderately before

    野外調查結果表明,該群落的組成與結構比較復雜,群落的區系組成以落葉闊葉樹種為主,顯示出由中亞熱帶向北亞熱帶過渡性植被地段次生群落的特徵。
  13. The results showed that the culture of south dongting lake wetland was rich in diversity, those are the rice cultivation culture, high - balustrade dwelling, nuo culture, ship culture, dragon boat culture, chu culture, ancient architecture landscape, wetland foodstuff and cuisine culture, the civil art, the historic heritage and cultural relics, the revolutionary sites and ruins, and production and living culture, etc, the eco - tourism value of the landscape cultures in the region was discussed with emphasis, and we also analyzed its features and orientation. the results revealed that south dongting lake wetland plays a key role on the yangtze river reaches civilization, china civilization and even had a great influence on the global civilization

    此外,還全面地研究了濕地景觀文化,闡述了其概念、作用、分類及發展現狀;總結了濕地文化資源(包括稻耕文化、高臺干欄式民居、儺文化、船文化、龍舟文化、楚文化、古建築、飲食文化、民間藝術、歷史遺跡和文物、革命遺跡、生產生活、民俗風情等) ;指出南洞庭湖濕地景觀文化的精髓和內涵是濕地文化、水文化、稻耕文化和楚文化,強調了它在中國長江流域文明搖籃及在中國乃至世界文明中的重要地位。
  14. The 301 - 330bp hypervariable ii - control - region sequence in mitochondrial ( mt ) dna genome from 18 individuals of one subspecies of great bustard ( o. t. dybowskii ) from breeding areas of northwest of songliao plain, southwest of hulunbeier plateau and wintering area of shandong yellow river nature reserve in china were sequenced and population analysis was conducted to assess the level of genetic diversity

    本文採集了中國境內松遼平原西北部繁殖地、呼倫貝爾高原西南部繁殖地及山東黃河三角洲自然保護區等地區大鴇東方亞種( o . tdybowskii ) 18個個體,對線粒體dna控制區高變區的部分序列進行了測定和群體分析,以評價當前中國境內的東方亞種的遺傳多樣性水平。
  15. 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。
  16. The anaga natural park is celebrated for its rich bio - diversity, but human activity in the region has reduced the extension of the " laurisilva, " or thick forest woodland to a fifteen percent of its original size

    阿那加生態公園有豐富的生態與生物,但是當地的人類活動,減低了百分之15拉戈梅拉照葉林,也就是溫帶雨林原有的生長大小。
  17. 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。
  18. Through the study of the adenese and the natural biotic reserve in sichuan province, this paper argues that with the development of tourism in this region, the subsistence mode of the local community has changed and the bio - diversity in the nature reserve has been threatened, and that the local community is suffering the dissection between themselves and their homeland as well as their ideological and cultural loss while gaining some economic returns

    摘要通過對四川省亞丁人與生物圈自然保護區的研究,認為伴隨著旅遊進入后當地社區生計活動體系的改變,保護區內的生物多樣性受到了威脅,社區在得到經濟回報的同時,也在承受著人地關系的裂變及精神文化的失落。
  19. West guangxi limestone region includes wide areas of north tropics, south subtropics and middle sub - tropics, where the richness and uniqueness of biodiversity and cultural diversity are unparalleled not only in china but also in the world

    摘要廣西西部石灰巖地區包括北熱帶、南亞熱帶和中亞熱帶的廣闊范圍,生物多樣性和文化多樣性的豐富性和獨特性不僅在中國,而且在世界上都稱得上是一個獨一無二的區域。
  20. The results shows that the community richness, species diversity indices and evenness of tree layer and shrub layer share the same order, of which is higher in pure limestone region than that of in pure dolomite region, but it reverse in herb layer ; the coefficient of similarity is considerably low between all plots, while species turnover rate is quite high among the plots and is higher in dolomite region than that of in limestone ; in different karst regions, karst processing leads to niches diversity characterized by special morphologies and special element geochamical features, and therefore affect the dynamic and features of plant communities

    我們在最有代表性之一的貴州茂蘭喀斯特森林保護區選取純灰巖和純白雲巖兩種巖性的喀斯特環境,對其元素地球化學特徵及其中原生性植物群落的相異性和物種多樣性進行了對比,結果發現:不同巖性區域多樣性:喬木層和灌木層為純灰巖區純白雲巖區,草本層為純白雲巖區純灰巖區,總體上純灰巖區的高於純白雲巖區的;各樣地間的相似性系數都很低,相同巖性類型內的明顯高於不同巖性類型之間的相似度;物種周轉率高,且白雲巖區高於石灰巖區,種類組成差異明顯;喀斯特區可溶巖地球化學背景通過喀斯特作用導致特殊的地形條件與元素地球化學特徵,並引起局部小生境的分異從而影響植物群落特徵。
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