河流生物區 的英文怎麼說

中文拼音 [liúshēng]
河流生物區 英文
river biota
  • : 1 (天然的和人工的大水道) river 2 (指銀河系) the milky way system; the galaxy 3 (特指黃河) t...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 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...
  • : 區名詞(姓氏) a surname
  • 河流 : rivers; stream
  • 生物 : living things; living beings; organisms; bios (pl bioi bioses); biont; thing; life生物材料 biol...
  1. Most tidal areas in sihcao are distributed near the outlet to the sea where the salt content is low and water flows slowly. therefore, they are ideal habitats for animals and plants and nourish a wide variety of bathos, such as fish, shrimps and shells. when low tide comes, we can see flocks of birds and packs of fiddler crabs come seeking food in these areas

    四草地的潮間帶多分佈於出海口,因為此地位於海交界,鹽分較低、水緩慢,適合動、植棲息,孕育豐富的魚蝦貝類等底棲,退潮時經常吸引成群的鳥類及招潮蟹前來覓食。
  2. Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits

    最後,綜合本幔源礦和地幔巖石的特徵以及地球理資料,得出如下結論:本上地幔的質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖;與中國東部以及華北地臺上地幔相比,研究上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵,局部熔融程度較高;上地幔存在橫向和縱向的不均一性,從西部的克里陽到喀拉喀什和玉龍喀什域, al和lree富集程度呈下降趨勢,不同來源的相同礦中主元素的含量差異較大;地質歷史時期這里可能發過地殼俯沖並產殼幔混合作用;玄武巖漿的起源深度73km ;從幔源重砂礦的溫壓估算結果,可以推斷出巖石圈厚度可達204 . 9km ;綜合巖石圈質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦的化學成分,認為研究具備了金剛石成礦地幔地質條件。
  3. From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay

    沉積微相研究是儲層非均質性研究的基礎,研究有豐富的巖芯資料和測井資料,通過巖石組合、沉積韻律,砂巖粒度分析、沉積構造、古遺跡和測井相等沉積學標志,結合古環境背景,確定沈84 ?安12塊s _ 3 ~ 4段為辮狀三角洲體系,而不是前人所認為的扇三角洲(陡坡型)體系,在巖芯和測井組合上可進一步劃分為辮狀三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合,其中三角洲平原沉積組合又可識別出辮狀分道、決口扇、分道邊部和分間灣四種微相類型;三角洲前緣沉積組合識別出水下分道、水下分道邊部和分口壩三種微相。
  4. The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north

    實驗結果表明:粘粒粉沙比值能很好地指示粉塵堆積的次粘化作用;磁化率和全鐵很好地指示風化成壤作用; sr和rb sr比值能很好的指示風化成壤作用和淋溶作用;總有機碳( toc )含量的高低,在一定程度上反應了土壤發育過程中氣候和植被狀況的變化,指示著成壤過程中腐殖質化的程度; caco3含量的變化,可以反映了黃土古土壤形成時的風化成壤作用的強弱程度,指示成壤過程中的淋溶作用和次碳酸鹽化作用;並且各指標所指示的成壤環境和成壤強度存在明顯的域差異,即渭域土壤的風化成壤作用、次粘化作用和淋溶作用均表現出南部強于北部。
  5. She has explored rivers in amazonia, the andes, the himalayas and the sultanate of oman to identify the influence of these sedimentary environments on local vegetation

    她探勘過的地,包括亞馬遜域、安地斯山、喜馬拉雅山、西亞的阿曼王國等地,為的是要了解當地沉積成環境對植群的影響。
  6. Abstract : the restoration of the riparian vegetation disturbed by human activities is one of the hotspots of watershed ecology. through interpreting the images of remote sensing in 1985 and 1999, the basic information of forest resources of lushuihe forest bureau, which is a typical forest area of changbai mountain, was obtained with support of gis. by dividing land covers of lushuihe area into 10 types ( water body, residential land, stump land, farming land, wetland, mature conifer forest, midlife conifer forest, mature broadleaf forest, midlife broadleaf forest, and man - made young forest ) and dividing the riparian zone into four buffers ( in turn, 1000, 2000, 3000, 4000 m away from the river ), the changes of riparian forest resources during 1985 - 1999 were analyzed. the results showed that the deforestation intension has obviously decreased and the whole environment has been evidently improved, but the riparian ecosystem was still flimsy. in buffer 1, 2, 3, the area of midlife conifer forest increased largely, but the areas of other types of land covers all decreased. midlife conifer forest had a comparatively good status in the three buffers. in buffer 4, midlife conifer forest, mature conifer forest, and mature broadleaf forest formed a forest - age rank that is helpful to stabilize the forest ecosystem and exert its functions. area percentage of wetland decreased in buffer 1, buffer 2, and buffer 3, even in buffer 4 in which forest ecosystem rehabilitated comparatively well, so protecting and rehabilitating wetland is a very difficult task

    文摘:本文對兩期遙感圖像進行解譯,並在gis支持下提取露水林業局主要兩岸各緩沖森林資源信息,經分析得到各類地在1985年及1999年的變化趨勢.結果表明:在沿岸對森林的採伐強度1999年較1985年明顯減小,整體態環境較1985年有所改善.在緩沖1 , 2 , 3除中齡針葉林大幅度增加外,其它地類型面積均減少,由此可以看出,在這三個緩沖內針葉林得到了較好的恢復.在緩沖4內,中齡針葉林、成熟針葉林、成熟闊葉林形成一個林齡梯隊,有利於森林態系統的穩定與功能的發揮,十五年間緩沖4受到的干擾相對較小.濕地數量在四個緩沖內均有所減少,雖然在緩沖4內森林態系統恢復的較好,但濕地面積仍有所減少,說明保護及恢復濕地資源是一件非常艱巨的任務,必須引起高度重視.圖5表2參12
  7. The restoration of the riparian vegetation disturbed by human activities is one of the hotspots of watershed ecology. through interpreting the images of remote sensing in 1985 and 1999, the basic information of forest resources of lushuihe forest bureau, which is a typical forest area of changbai mountain, was obtained with support of gis. by dividing land covers of lushuihe area into 10 types ( water body, residential land, stump land, farming land, wetland, mature conifer forest, midlife conifer forest, mature broadleaf forest, midlife broadleaf forest, and man - made young forest ) and dividing the riparian zone into four buffers ( in turn, 1000, 2000, 3000, 4000 m away from the river ), the changes of riparian forest resources during 1985 - 1999 were analyzed. the results showed that the deforestation intension has obviously decreased and the whole environment has been evidently improved, but the riparian ecosystem was still flimsy. in buffer 1, 2, 3, the area of midlife conifer forest increased largely, but the areas of other types of land covers all decreased. midlife conifer forest had a comparatively good status in the three buffers. in buffer 4, midlife conifer forest, mature conifer forest, and mature broadleaf forest formed a forest - age rank that is helpful to stabilize the forest ecosystem and exert its functions. area percentage of wetland decreased in buffer 1, buffer 2, and buffer 3, even in buffer 4 in which forest ecosystem rehabilitated comparatively well, so protecting and rehabilitating wetland is a very difficult task

    本文對兩期遙感圖像進行解譯,並在gis支持下提取露水林業局主要兩岸各緩沖森林資源信息,經分析得到各類地在1985年及1999年的變化趨勢.結果表明:在沿岸對森林的採伐強度1999年較1985年明顯減小,整體態環境較1985年有所改善.在緩沖1 , 2 , 3除中齡針葉林大幅度增加外,其它地類型面積均減少,由此可以看出,在這三個緩沖內針葉林得到了較好的恢復.在緩沖4內,中齡針葉林、成熟針葉林、成熟闊葉林形成一個林齡梯隊,有利於森林態系統的穩定與功能的發揮,十五年間緩沖4受到的干擾相對較小.濕地數量在四個緩沖內均有所減少,雖然在緩沖4內森林態系統恢復的較好,但濕地面積仍有所減少,說明保護及恢復濕地資源是一件非常艱巨的任務,必須引起高度重視.圖5表2參12
  8. By analyzing on nature, society and economy conditions as well as distribution characteristics of sand source in the lower lhasa river valley, put forward a series of comprehensive renovation scheme to harness sand sources, mainly including dredging channel, planting farmland shelter - forest network, constructing arbor - bush - herb shelter forest and shifting sand stabilization, this scheme will not only control blown - sand threat, and improve local ecological environment ; at the same time, also lay the strong foundation for enlarging lhasa city space and effectively utilizing local resource, embody a sustainable thought on how to make comprehensive renovation in high cold valley region

    摘要在深入分析本自然社會經濟條件和風沙源分佈特徵基礎上,提出把拉薩下遊道疏浚與風沙源治理相結合,以道疏浚、農田防護林、喬灌草防風護沙林和沙固定等理工程、和機械措施為主體,進行風沙源綜合整治,一方面可有效控制風沙災害的威脅,改善態環境,同時為拉薩市城市空間發展和當地資源的有效利用奠定了基礎,體現了在高寒進行風沙源綜合整治的可持續性思路。
  9. According to the abundance well logging, mud logging and core analysis data, gaotaizi reservoir has been classified into four sand group with the principle of cycle comparison and classified control. based on the detailed study of lithologic character, sedimentary structure, paleontologic fossils, depositional sequence, rock association and logging data, the microfacies of the studied area are divided into such seven types : subaqueous distributary channel microfacies ; river mouth bar microfacies ; subaqueous interdistributary channel microfacies ; subaqueous crevasse channel microfacies ; subaqueous natural barrier microfacies ; distal bar microfacies ; delta front sheet sand microfacies. the characteristic of each sedimentary microfacies are described detailedly

    通過研究大量測井、錄井資料和巖芯資料,依據「旋迴對比,分級控制」的原則,把研究高臺子油層劃分為g 、 g 、 g 、 g四個砂層組。通過對研究巖性、沉積構造、古、沉積序列、巖石組合及測井曲線特徵進行研究的基礎上,認為研究高臺子油層屬於三角洲前緣亞相沉積,並將研究沉積微相劃分為:水下分道、口壩、水下分道間、水下決口扇、水下天然堤、遠砂壩、席狀砂等七種微相類型。
  10. It decides the protective objectives for different ecological reserve area based on the study of channel wetlands and survey and analysis of top - grade species ( fishes ) of the yellow river : from the point of the basin, the main ecological protective objectives of the tipper stream are vegetation and forest for conservation of water supply ; soil and water conservation is the main in the middle reaches for vegetation protection and rehabilitation and ; the lower reaches takes types of wetlands protection and wetlands area maintenance as the main, protecting biodiversity and important birds resources

    在黃道濕地研究和黃水體內頂級種(魚類)的調查分析基礎上,確定了黃不同類型態保護態保護目標:從域角度而言,黃上游的主要態保護目標是植被和水源涵養林;中游應以水土保持為主,主要是恢復和保護植被;下游以保護濕地類型和維持濕地面積為重點,保護多樣性和重要鳥類資源。
  11. To elucidate the antigenic drift and evolution of h9n2 subtype avian influenza viruses ( aivs ), five isolates from the north of henan province during 1998 - 2002 were compared and analysed by cross - hemagglutinin inhibition test ( hi ), cross - virus neutralization test ( vn ) in the chicken embryo and chicken embryo primary kidney cell ( cek ) and cross protection against challenge infection test

    為了探討h _ 9n _ 2亞型禽感病毒的抗原性有否發漂移,本研究從學角度和ha基因分子水平上對1998 ? 2002年間在南省豫北地分離到的5株h _ 9n _ 2亞型禽感病毒的抗原性變化進行了比較和分析。
  12. The landscape around the rivers and streams has been severely modified, leaving little of the natural vegetation to buffer water flowing overland to the streams, further resulting in water pollution. the rivers themselves have also been severely modified with the construction of large number of dams and regulation works, said dr alan leung, senior conservation officer, wwf hong kong

    世界自然基金會香港分會高級環境保護主任梁士倫博士表示:據2003年一項研究發現,西江域約八成原森林已經消失,而鄰近地帶和溪澗亦經人類大幅改造,導致在水暴漲時可用作緩沖的天然植大為減少。
  13. At the end of late pleitocene, influenced by the climate of glacier period, the last great event of the region in the geological time was taken place so that the migration and extinction of organism species were resulted, loess accumulation was generally developed throughout the whole region, in the holocene, the most important environmental change was fluvial process, which was still influnced by two factors - neotectonics and palaeoclimatic changes

    更新世晚期末,受末次冰期氣侯的影響,本了地史時期的最後一次大事件,造成了種遷移和絕滅,全廣泛發育黃土堆積。進入全新世,本環境變化以作用最為顯著,沉積主要分佈在各大水系的谷中,構成一、二級階地和近代床與漫灘堆積。
  14. This paper summarizes the concept and development of aquatic ecological region, introduces the indicators, depicts method and system of aquatic ecological regionalization by taking u. s. a. and australia as an example, and analyze the application of ecological region in the field of water quality, stream biological monitoring, lake and reservoir management, wetland management and aquatic biology conservation in detail

    摘要系統總結了國際水劃的指標、方法和體系,分析了水劃在水質管理、監測、湖泊水庫管理、濕地管理和水系研究中的作用和經驗。
  15. In this passage, author has studied the quota of irrigation that can make water used economically for various plants, if the irrigation quota can be lowered from 6795 m3 / a to 4500 m3 / a during the processes of irrigation, there will be a saving water amount of 3. 386million m3 / a, in shiyang river basin. there is no doubt that we can open the second source of river water that can provide the possibility of transporting 300 million m3 / a water amount to lower reaches of the river. in this paper, there are some analysis and prospects for the future situation of supply and demand of water resources in 2010

    民勤水資源減少的主要原因是人為因素,如全域人口增加、中上游耕地面積擴大,用水量增加,造成灌重心上移;沒有樹立可持續發展觀,在經濟中搞短期行為;對石羊入民勤水量不斷減少、地表水、地下水轉化活躍、態用水問題突出等方面進行了分析論證;對目前開發利用現狀、供需狀況進行了較為詳細的計算和評價;通過對各種農作節水灌溉定額的研究,若從現狀灌溉定額6795m ~ 3 ha降低到4500m ~ 3 ha實施灌溉,石羊域將節水3 . 3867億m ~ 3 ,這無疑于開辟了第二水源,提供了向下游調水3億m ~ 3的可能性。
  16. Because of complex physiognomies and ecological environments, various kinds of wetland develop in sanggan river valley. wetland vegetations in the sanggan river valley, including the floristic diversity of wetland vegetation, the interspecific relationship of plant communities, the relationships between plant communities and environments were studied, respectively

    本文以山西桑乾域濕地植被為研究對象,對濕地植被的系多樣性、植群落的種間關系、植群落與環境的態關系以及濕地的退化和恢復等進行了研究。
  17. Based on the direction of sources and the ratios of sandstone to formation of sedimentary rocks, together with the sedimentary structures and textures, paleocurrent direction and the characteristics of paleontology, etc., the planimetric maps of sedimentary facies of each stages in the studied area are compiled in order to recognized the extension of dominant facies and the evlotionary history of sedimentary environment, hi the stage of benxi and taiyuan, lagoon - tidal flat sediments are widespread in the area, and the deposits of estuary, lagoon and small delta in the northwest margin of ordos

    源方向和沉積巖砂地比值為基礎,結合沉積結構構造、古水方向及古特徵等,編制了研究各期次的沉積相平面圖,以識別優勢相展布和沉積環境演化。本溪期和太原期研究瀉湖?潮坪沉積分佈廣泛,西北緣發育口灣、瀉湖及小型三角洲沉積。
  18. Effluent discharges of industrial wastewater and raw sewage into rivers, lakes and i hore coastal areas have not only adversely affected marine life and aquatic resources, but have also jeopardized one of the major nece ities for sustaining life - potable water

    工業廢水和原污水排放入、湖泊和近海岸域不僅給海洋和水資源帶來了負面影響,而且也破壞了維持命的主要必需品之一?飲用水。
  19. Effluent discharges of industrial wastewater and raw sewage into rivers, lakes and inshore coastal areas have not only adversely affected marine life and aquatic resources, but have also jeopardized one of the major necessities for sustaining life ? potable water

    工業廢水和原污水排放入、湖泊和近海岸域不僅給海洋和水資源帶來了負面影響,而且也破壞了維持命的主要必需品之一? ?飲用水。
  20. Wwf ' s freshwater and agriculture experts are focusing on sugar, cotton and rice as three of the " thirstiest " crop that reduce biodiversity in priority river basins and ecoregions

    世界自然基金會和農業專家將重點放在糖、棉花、水稻這三種「最饑渴」的作上,這些作能夠降低原來江域和多樣性。
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