生態差型 的英文怎麼說

中文拼音 [shēngtàichāxíng]
生態差型 英文
ecocline
  • 生 : 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;...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
  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. Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods, the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred

    通過分析兩期土地利用及景觀結構指數之間的差異性，指出由自然和人為原因引起的生態環境的變化：研究區總面積有所減少，鹽堿地改良後用于了魚蝦養殖，部分未利用地和水域鹽堿化，區域景觀類型豐富且均勻，局部破碎嚴重。
  3. This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably

    而攀援植物本身是一類理想的植物行為生態學研究材料：第一，攀緣植物由於受攀緣能力和支柱木資源的限制，在生長過程中通常要遇到強烈變化的環境條件（特別是光照） ；第二，攀緣植物中具有較高比例的雌雄異株類型，通常佔地區攀緣植物種類的30 40左右，不同性別的植物在形態學及生物學特性、經濟價值等方面存在一定的差距，因此，本文以雌雄異株攀緣植物栝樓（ trchosahtheskirilowiimaxim ） （葫蘆科多年生草質藤本植物）和山藥（ dioscoreaoppositathunb ） （薯蕷科薯蕷屬植物） 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical （ l ） roem ] （葫蘆科一年生攀緣草本植物）為材料，試圖從生理生態學及生殖生態學角度揭示攀援植物如何適應不同生境及其機理。
  4. As a southwesten autonomous county with national minority and typical area, the nature condition in youyang is bad and the economy falls behind and the soil erosion is serious. furthermore, the population increases quickly which results to steep slope farming and excessively opening up, so eco - environment accelerates rapidly. in the whole, youyang is an epitome of the area with soil and water erasion in western china

    酉陽作為西南少數民族自治縣，區內自然條件差、經濟落後、水土流失嚴重，屬典型的水土流失型生態脆弱區，加之該區生產手段落後、經濟結構單一、而人口增長過快，導致人地矛盾尖銳，陡坡耕作、過度開墾，使生態環境加速惡化，因此，酉陽自治縣土地資源可持續利用可以作為西部水土流失型生態脆弱區的一個縮影。
  5. This investigation of the two species is mainly dealing with their morphological characters, population biology, pollination biology and molecular biology, based on the following methods such as section slides, sem, artificial pollination, rapd analysis and gravity glass slides. this study is intended to demonstrate the distribution patterns of the populations for the two species, the numerical and spatial characteristics of ecological difference, the biological characters of seeds, pollination mode and reproductive stratigies, and molecular genetics. in light of the results from this study, the reasons that resulted in the present dangerous situation for the two species were discussed, and the suggestions for protecting them were proposed

    本研究以種群為單位，採用石蠟切片、掃描電鏡、重力玻片、人工授粉、 rapd分析等方法，對兩種植物的形態生物學、種群生物學、繁殖生物學和分子生物學等方面進行了詳細研究，以揭示它們的種群分佈類型及成因、種群生態環境差異的數量特徵和空間特徵、種子生物學特徵、傳粉和生殖策略以及種群分子遺傳特徵，進而探討兩物種瀕危的成因和機制，並針對性地提出了科學合理的保護對策和建議。
  6. There were distinct differences between ecological habit and the pattern of adaptation of birds of the different species, moreover, the diversity of shape and structure of corresponding tarsometatarsus had differentiated, so the choice of adaptability of avian tarsometatarsus and its corresponding functional behavior had come into being

    不同類型鳥類之間的生態習性和適應形式相互間存在明顯的差異，而與之相對應的跗跖骨的形態結構也產生了多樣性分異，形成了鳥類跗跖骨形態結構與對應功能行為的適應性選擇。
  7. The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor, gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity. the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion. according to investigation, surface erosion area occupies 80 % or so or erosion area, in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area

    研究結果主要包括： （ 1 ）巫溪縣生態退化特徵表現：作為生物生長基質的部分土壤薄而貧瘠，保水保肥能力差，部分地區基巖裸露，土壤的不斷退化導致植物種多樣性減少，植物種群結構逐步由復雜趨向簡單化；縣內水土流失的類型主要包括面蝕和溝蝕兩大類，據調查，面蝕面積占侵蝕總面積的80左右，其中坡耕地面蝕佔耕地侵蝕面積的70左右。
  8. The main features of the regional coo - environment problems are regional diversity, factor fluidness, and regional spatial types

    區域生態環境問題的區域特徵主要表現為特徵的區域差異性、要素的區域流動性和區域的空間類型。
  9. The sub - model for design of population density was developed according to the principle of determining boll number from target yield, fruit node from boll number, fruit branch from fruit node and population density from fruit branch by integrating the effects of sowing date, cutout date, effective temperature accumulation above 12, variety type, and fertilizer and water management levels. sowing rate was then decided by integrating the effects of different soil water and salt contents, ph, temperature and sowing style on seedling emergence rate with relative weight method

    基於「以產定鈴、以鈴定節、以節定枝、以枝定苗」的原理，同時考慮播種日期、打頂日期、 12的有效積溫、品種株型特性、肥水管理水平差異等因素來確定適宜的種植密度；在此基礎上，應用相對權重法計算土壤含水量、含鹽量以及整地質量和播種方式等多個生態環境因子對出苗率的綜合影響，進而確定播種量。
  10. The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi

    得出了以下結論：在8792mpa的載荷下筒體一封頭連接結構處的集中剪切帶貫穿韌帶，可能發生沿與原裂紋線成155 「角方向剪切型斷裂；筒體一封頭連接結構不可能發生韌窩型斷裂； （ 2 ）在工作壓力下進行次數不多的反復加、卸載，結構不會破壞，也不會喪失安定性：結構在工作狀態下是安全的； m在本文的彈塑性有限元模擬計算中，對于裂紋尖端進行力學分析時，不考慮壓力容器製造過程中水壓試驗的影響，將導致計算結果出現較大的偏差； （ 4 ）筒體完全屈服時的載荷為92石3mpa ，封頭完全屈服時載荷為86
  11. The main characters of the river - valley landforms are followed : the outstandingly longitudinal range - gorge landforms constitute the unique view of three parallel rivers ; the relative highness difference of the landform is great and the river valley cut deeply ; the formation and evolution of the river - valley landforms are obviously controlled by the geological structure ; the landforms types and the various characters of the landforms combination in the drainage area are prominent ; the geological environment has relatively strong frangibility ; the branches riverhead of the river - valley mostly come from high mountains and lakes, and the river - valleys of the branches along the banks have disproportional distribution

    其河谷地貌的主要特徵有：突出的縱向嶺谷地貌，構成了少有的三江併流奇觀；地貌相對高差大，河谷深切；河谷地貌形成演化發育明顯受地質構造控制；流域范圍內地貌類型和地貌組合多樣化特徵突出；地質地貌環境具有較強烈的生態脆弱性；河谷支流水源多發源於高山湖泊，兩岸支流河谷分佈不均衡。
  12. Different kinds of wasted lands have different ecological reconstruction means, all the land of different types can be afforested except the land in class, but it is influenced by the site quality in other types, the survival rate of afforesting has prominent differences

    不同類型廢棄地具有不同的生態重建途徑，除類矸石山不能造林外，其他類型都可進行造林，但受立地質量影響，造林成活率有顯著差異。
  13. All patches adjacent to water are excotone and they have twist edges and narrow figure, which is suitable with the function of the frequency of exchanging the matter and energy, what ' s more, these patches are mixture in the plant community styles, which is according with the importance character of the excotone which is that many system coexist. 3 ) : the dissimilarity of plant community is key factor in composing the landscape heterogeneity

    鄰水斑塊邊界曲折，形狀狹長，多為混合型斑塊，這與生態交錯帶多系統共存特性是相適應的。樹種結構組成差異是構成花港觀魚公園綠地景觀異質性的主要因素，不同木本植物群落類型在花港觀魚公園不同綠地斑塊類型中交錯分佈，同一斑塊類型內部群落相異性指數較高。
  14. The paper studies composition of grasshopper community in different habitats, found that differences in family, genus and species and analyzed the causes of those. the author analyzed the following aspects by spss software and the measure of euclidean distance : ( 1 ) analyzed the relationship between grasshopper species and geographical distribution and divided 9 forestry belt into 3 main habitat model : low mountain conifer and broadleaf integrated forestry belt ; low mountain chanbai conifer forestry belt and middle - high conifer - betula ermam / - tundra belt ; adopted sum of deviation of square to clustered ecological species groups, and thus divided 48 grasshopper species into 3 main category, 12 ecological species groups

    在長白山地區蝗蟲生態分佈特點的研究中，主要應用spss軟體包、採用euclideandistance測度法對以下兩方面內容進行了分析： （ 1 ）對長白山地區蝗蟲地理分佈關系進行了分析，將長白山9個林帶劃分為三大生境型：低山針闊葉混交林帶、低山長白松林帶和中高山針葉?岳樺?苔原復合體； （ 2 ）利用離差平方和法對生態種組進行等級聚類，結合實地調查結果，將48種蝗蟲劃分為三大類12個生態種組。
  15. Among the four habitats the wetland had the most endangered species ( 11 species ), so the wetland was very important in the urban ecosystem. nests building on trees and shrub were much more than on others. the birds feeding on tree and ground were a slight more than on others

    對鳥類繁殖生態位研究發現，以樹上築巢和灌草叢築巢最多，分別為40 . 91和30 . 30 ；對鳥類取食生態位研究發現，幾種類型相差不大，以樹上和陸地生態空間取食較多。
  16. The results showed that : the integrated ecological risk was presented symmetrically along brahmaputra, and was mitigated from valley farming area to mountain pastoral area ; the hazards of main risk sources to risk suffer in each sub - region was differently, drought was the common risk source and imperils farming and stock raising severely ; aimed at enhancing the ability of fighting drought, controlling flood and stabilizing sand engineering measures should be taken steps to prevent those hazards ; mountain hazards must be controlled in resident area and along arterial traffic ; manual work should be done to void hail in those area where hails attacked heavily ; there is need to promulgated risk knowledge to herdsmen for strengthening their risk consciousness and improve the ability of preventing risk and self - help after hazards happened in the pasturing area

    扎囊縣綜合生態風險沿雅魯藏布江呈現對稱型分佈，並由河谷農業區向高山牧業區逐漸降低；各亞區的主要風險源對風險受體的危害強度差異較大，乾旱是共同的風險源，造成的農牧業生產損失最為嚴重；抗風險措施主要有在河谷地帶採取工程措施以提高抗旱、防洪和固沙能力，在半山臺地加強治理居民點及交通沿線的山地災害，在多雹區進行人工消雹；在高寒牧區向牧民傳播風險知識，以加強其風險意識，提高規避風險和災后自救能力。
  17. Karst areas have a most typical frail ecological environment and complex human - land system. its frailty is displayed in such distinct features as the strong sense of environmental mutation, low environmental capacity, limited ability of standing disasters, poor stability, sharp ecological competition and small quantity of living things

    喀斯特地區具有一類最典型的脆弱生態環境和復雜的人地系統，其脆弱性表現出環境變異敏感度高、環境容量低、承災能力低、穩定性差、生態系統競爭程度高、生物量小等鮮明特徵。
  18. The study on the development model of agricultural science and technology park : make a comprehensive survey of the agricultural science and technology park development, statistical data on the agricultural science and technology park in the year of 2002 was applied to do macro analysis, with the result of development problems and propose the settlement. this study is conducted based on typical case study and theoretical analysis from the aspects of growing background, overall effect, operating model and the driving force in four national agricultural science and technology parks : shandong vegetables demonstrating park, henan xuchang national park, gansu dingxi park and beijing shunyi three - hi agricultural pilot model area. then analyse and sum up the general laws and different points. the creative research of this paper lines in raising the new theory of sci - tech agricultural industry organization for the first time, build up the theory analysis framework for agricultural science and technology park ; according to the theory analysis framework, sum up the development general model from choosing the national agricultural park in typical region ; build up th

    運用典型案例剖析與理論分析總結相結合的方法，分區域按照發展成效在全國范圍內選取山東壽光蔬菜高科技示範園、河南許昌農業科技園區、甘肅定西旱作生態型農業科技園區和北京順義三高農業示範區，從園區的成長背景、建設發展的總體成效、運作模式和園區發展的動力等幾個方面對農業科技園區的發展進行了深入研究，並對園區發展模式的共性規律和差異之處進行了分析歸納；本文創造性的研究在於：首次提出了科技農業產業組織理論，構建了農業科技園區理論分析框架；根據這一理論分析框架，通過選取典型區域的國家農業科技園區進行實證研究，總結歸納了園區發展模式共同特徵並進行了差異分析；首次提出了適用於不同評價對象和評價意圖的三套國家農業科技園區評價指標體系，並創造性運用多元統計分析方法和系統分析方法對國家農業科技園區進行綜合評價。
  19. Between pure and mixed moso stand by a great deal of experiments, and it puts forward a guidance pattern of classified and rational management, and the implementation of ecological cultivation and ecosystem management as per different types of mixed bamboo stands so as to ensure high and stable yield of mixed bamboo stand, and better circulation of ecological equilibrium

    通過大量的試驗研究，分析毛竹純林和竹木混交林的生境差異和經營特點，經營條件，提出怎樣根據竹木混交林的類型，分類指導，制定科學的經營方案，實行生態培育和生態系統管理，確保竹木混交林豐產穩產，生態平衡趨向良性循環。
  20. Research results indicate that the biophysical environment and the production conditions have significant difference in five major agro - ecological regions. so the difference of main constraints in maize production is large

    本研究的主要結果表明，五個主要的玉米生態類型區有不同的生產和生態環境，其玉米生產的限制因素存在較大差異。
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