natural community 中文意思是什麼

natural community 解釋
自然群落
  • natural : adj 1 自然界的;關于自然界的。2 天然的;未開墾的;野生的。3 固有的 生來的 天賦的(opp acquired)...
  • 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。
  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. Peasant households are affected by natural environment condition, the policy and market factor mainly while confirming that plants the cotton, the level of cotton price of the market has influence on the adjustment that peasant households plant the cotton area the coming year, during the process of using the variety of cotton, lay particular emphasis on and consider and popularize cost and benefit, community, neighbourhood relation and agricultural extension service system while being agrotechnical

    農戶在確定是否種植棉花時主要受自然環境條件、政策和市場因素的影響,市場棉花價格的高低對農戶來年植棉面積的調整有影響,而在使用棉花品種的過程中,則側重考慮農技推廣成本與效益、社區及鄰里關系和農業推廣服務體系。
  3. In influencing the inside factors of peasant household ' s decision, have householder ' s schooling, population, workforce ' s quantity and land area, householder ' s schooling and land area exert a great influence on peasant household ' s decision ; the external factors of influencing peasant household ' s decision have natural environment conditions, agrotechnical to popularize cost and benefit, policy, market, community and neighbourhood relation, popularize service system

    在影響農戶決策的內部因素中,有戶主文化程度、人口和勞動力數量及土地面積,戶主文化程度和土地面積對農戶決策的影響較大;影響農戶決策的外部因素有自然環境條件、農技推廣成本與效益、政策、市場、社區及鄰里關系、推廣服務體系。
  4. Each individual must by a social contract alienate all his natural rights without reservation to the whole community.

    每個個人都必須根據社會契約毫無保留地將其所有的自然權利讓渡給整個團體。
  5. The course covers productivity and biogeochemical cycles in ecosystems, trophic dynamics, community structure and stability, competition and predation, evolution and natural selection, population growth and physiological ecology

    課程包含生態系之生產力與生物地質化學循環、營養動力學、群落結構與穩定性、競爭與捕食、演化與天擇、族群成長,及生理生態學。
  6. The development of earthworm ecology was constrained by the complex feature of soil, the scarce knowledge of natural history and biogeography of earthworms, and the low efficiency of approaches in field manipulation of earthworm community

    土壤本身的復雜性,蚯蚓自然歷史和生物地理學知識的缺乏,野外控制蚯蚓群落方法的滯后等都限制了蚯蚓生態學的發展。
  7. Three methods, namely, community species composition similarity analysis, community composition similarity analysis, and community characteristic similarity analysis, were employed to study the similarity of insect pest - natural enemy communities of three rice types ( early rice, middle - season rice and late rice ) and their three development stages ( tilling stage, boot stage and milk stage ) in the yangtze - huaihe region of anhui province

    摘要採用群落種組成相似性分析、群落組成相似性分析和群落特徵相似性分析3種方法,研究了安徽江淮地區早稻、中稻、晚稻3種稻型及分蘗、孕穗、乳熟3個生育期害蟲天敵群落的相似性。
  8. Study on the community ecological characteristics of defoliated broadleaved forests of shiren mountain natural reserve

    河南省石人山自然保護區落葉闊葉林群落生態特徵
  9. Studies by hargrave and geen estimated natural community graz - ing rates by measuring feeding rates of individual zooplankton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers

    由哈格雷夫( hargrave )和吉恩( geen )所進行的研究,對自然條件下的群落食草比例進行了估計,其手段是通過測量出實驗室內單獨的浮遊動物種類的結食比例,然後利用已知的食草動物種群密度,計算出實地狀況下的群落食草比例。
  10. Reinforcing the community concept and enhancing the identity of cyberport, the arcade represents a superb convergence of nature and technology. its site is the nexus of mountain and the sea, and its building and ground plan are crafted in natural stone and materials

    商場模仿社區環境設計的建築空間,配以優質的天然石材用料,加上海天一色的自然景緻,凝造出一份親切感之餘,更締造了一個消閑暢聚的不二之選。
  11. A large scale public green land at south side of central business zone will be established combining with water area, therefore, the water - side plaza can be formed to provide a meeting place for visitors, and following theme parks will be established : theme commercial park, culture recreation center, performance center, sports, and wetland experience park ; the metasequoia woods of 17 hectares on the south side of airport will be preserved in present condition to form a forest park ; the massifs at north cbd will be cultivated to become a countryside natural environment ; combining with community afforestation, the children ' s fairyland and senior citizen ' s home for aged people to gather together will be established

    結合水面,在中心商務區南側布置大型集中公共綠地,規劃水廣場可供遊人聚會,並設有主題商業、文化娛樂、演藝中心、體育運動、濕地體驗等特色主題公園;保留現狀機場跑道南側17公頃水杉林,形成森林公園;利用cbd北部山丘,形成具有郊野氣氛的自然環境;結合社區綠化,設置兒童樂園和供老年朋友歡聚的老年之家。
  12. A 1000 - meter avenue connects the 90, 000 m 2 sports theme park and the community, making it a rare natural oxygen bar in beijing

    特別是京城罕見的90000平米社區運動主題公園,以千米林蔭大道與社區相連,成為社區的天然氧吧。
  13. In the whole insect community, the pests that have been defined include 63 species, which hold the 17. 07 % of whole community. the natural enemies ( including predacity and parasitical enemy ) include 79 species, which hold the 21. 41 % of the whole community

    在整個昆蟲群落中,己明確為害蟲的有63種,占整個群落的17 . 07 ;天敵(包括捕食性天敵與寄生性天敵) 79種,占整個群落的21 . 41 ;中性昆蟲227種,占整個群落的61 . 52 。
  14. It points out that the rational and stable inner structure cannot lead to serious soil moisture shortage ; its natural climate condition can meet the needs of forest community. it is the irrational management that causes the serious soil moisture shortage in artificial forestry land. if we intervene properly and create some growth condition similar to natural vegetation, the recessed artificial robinniapseudoscacia can restore benignly

    當前人工林地的土壤水分出現嚴重虧缺而形成土壤干化層並導致人工林衰退是人為不合理經營造成人工林群落林分結構不完善的結果,如果人為干預適當,能創造出類似於天然植被的生存條件,人工植被完全有可能得到正常的生存和發展,出現衰退的人工刺槐林完全有可能得良好的恢復。
  15. To examine the effects of different lake uses on lacustrine zoobenthic community, zoobenthos were sampled in 1998 - 1999 from four shallow lakes of middle and lower basins of changjiang river, viz. fish stocking and touring lake, east tangsun lake ; fish - stocking - lake, niushan lake ; natural - fishing - lake, longgan lake and crab - overstocking - lake, huang lake. species composition, standing crops, functional feeding groups of benthic animals in every lake were studied

    1998年4月1999年7月對長江中下游四個淺水湖泊即東湯孫湖、牛山湖、龍感湖和黃湖的底棲動物分別進行了四次採集,研究各個湖泊底棲動物在種類組成、現存量、功能攝食類群、生產顯和漁產潛力上的差異;結合各個湖泊理化生物因子綜合分析了湖泊不同利用方式對底棲動物群落的影響。
  16. A range of community education programmes are being organized. these include a four - episode tv programme on safer living, another tv programme " meteorological series iii " jointly produced by hong kong observatory and rthk, a tropical cyclone name nomination contest, popular science lectures, a slogan and bookmark design contest, a seminar on natural disaster reduction, a major exhibition at hong kong science museum and rescue drill demonstrations

    除了今天的開展儀式,還有一連四集的晴天行動電視節目香港天文臺及香港電臺聯合製作的電視節目氣象萬千第三輯熱帶氣旋命名比賽普及科學講座標語創作及書簽設計比賽減少天然災害研討會在科學館舉行的大型展覽及拯救演習。
  17. Ecologic process of the wash lands by debris flows in mountain region is very complex and variety, and is a specific catastrophe - ecologic phenomenon in mountain region. plant growth of the wash lands of debris flow sdistributed in high altitude area shows a natural restorative proccss. it is found that plant growth process and community feature in the wash lands of debris flow can bring to light of the time of debris flow formation in the last hundred years and to the succession law of natural vegetation ecosystem through study in the catastrophc - ecologic phenomena and the ecologic process in wash lands of debris flow in the huangbenliu gully of the east slope of gongga mountain. the research result for this region also shows that study of the catastrophe - ecologic phenomena of debris flow can promote scientific infiltration between the ecology and the catastrophology, and has important theoretical and practical significances

    山區泥石流發生后的泥石流灘地呈現復雜多樣的生態過程,是山區所特有的一種災害生態現象.在人煙稀少的較高海拔,泥石流灘地植物生長表現為一種自然恢復過程.通過貢嘎山東坡高海拔黃崩溜溝泥石流灘地上發生的災害生態現象和過程的實地研究,發現泥石流灘地植物的生態過程和群落特徵,可以揭示近代泥石流的形成時間和自然植被生態系統的演替規律.研究表明,加強泥石災害生態現象的研究,可以促進災害學與生態學科的滲透,具有重要的理論和實踐意義
  18. In summary, on the base of analyzing the environmental factors and characteristic design method of public open space in housing community, this thesis proposes the over all design principles and the design method of characteristic spaces ; introduces the concept of site ; and further more, how to give both consideration to the natural factor and humane factor in the public open space planning in housing community, how to create a living environment of benign development using appropriate architectural codes, to achieve the coordinated development of people and the environment

    綜上所述,本文在總結社區組團中外部公共空間環境設計特質的基礎上,通過分析其環境的影響因素,論述了整體設計原則及特徵空間的設計方法,引入了場所的意向;並進而探討在社區組團外部公共空間環境的規劃設計中如何兼顧自然因素與人文因素的雙重作用,運用恰當的建築語言創造出可以良性發展的居住環境,以實現人與環境的協調發展。
  19. Study on the structure characters with natural community of m. yuyuanensis law

    乳源木蓮天然群落結構特徵研究
  20. Study on the ecological characteristic of the natural community in hongjiahe valley

    洪家河流域天然植物群落生態學特性研究
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