population reserve 中文意思是什麼

population reserve 解釋
依人口因素保留員額
  • population : n. 1. 人口；人口總數；全體居民；人口的聚居。2. 物的全體[總數]；【生物學】蟲口；種群（量）；群體；族，組，個數；【統計學】對象總體，全域。3. 【物理學】布居；密度。4. 〈罕用語〉殖民。
  • reserve : vt 1 保留；留下（以備後用、享受等）。2 預定，預約，租定，包，定（座位、房間等）。3 貯藏，儲備。4 ...
  1. Seven plots selected from wanglang reserve were distributed in different types of forest and at different altitude, and different plot has different microclimate. soil property, microbial population, soil nutrient content of forest soil were determined in wanglang natural reserve, from may to october 2002 to july 2003, the ecological distribution of three main groups, bacteria, actinomycete and fungi were determined in the forest soils by the cell enumeration methods. six kinds of physiological groups, including ammoniation bacteria, nitrification bacteria, nitrosification bacteria, aerobic autogenesis azotobacter, aerobic cellulose - decomposing bacteria and anaerobic cellulose - decomposing bacteria were enumerated by the most - probable number ( mpn )

    2001年10月在王朗自然保護區內設立了3個定位研究樣地和4個臨時樣地，通過多次現場采樣與室內實驗分析，測定了白樺林、岷江冷杉林、紫果雲杉林、繡線菊-羊茅群落、羊茅群落及高山柳灌木叢等6種不同植物群落內土壤微生物三大類群數量、功能微生物數量、土壤養分，並在固定樣地內使用埋袋法進行了三個埋藏深度的凋落物分解袋試驗，初步研究了枝條、闊葉、針葉等凋落物組分在不同分解階段所含養分的動態變化。
  2. Mashatu reserve has an impressive population of african elephant, eland and ostrich. the baobab trees are also plenty in the region

    馬沙圖保護區有數量驚人的非洲象、大角斑羚和鴕鳥，還有很多猴麵包樹。
  3. All records both common and uncommon birds supplement the existing wwf ornithological research work and help us better understand population dynamics of bird species and groups inside the nature reserve

    無論是常見或罕見的雀鳥記錄，也對我們世界自然基金會在米埔的鳥類數目的研究工作有很大的幫助。
  4. The results suggest that at the wanglang nature reserve : 1 ) the horizontal distribution of the panda population is uneven and most of the individuals are distributed in the valleys between the muyang farm to baozi ( leopard ) valley

    研究結果表明： 1 ）大熊貓在王朗自然保護水平分佈是極不均勻的，總體上集中在保護區管理處所在的牧羊場以下至豹子溝之間的各條溝中。
  5. ( 4 ) one of the mtdna haplotypes in the population of shandong yellow river nature reserve was shared with populations of the two breeding areas, and the other was endemic, it implied that this wintering population possibly was composed by different populations including these two breeding populations, and its genetic diversity was higher than the population of breeding area

    （ 4 ）山東黃河三角洲種群的2個單元型中， 1個與兩個繁殖地的相同，另一個為該種群所特有，這提示這個越冬種群，是由包含上述兩個繁殖地在內的多個不同的種群組成的，可能擁有比繁殖地要高的遺傳多樣性水平。
  6. Several results were concluded : firstly, the population of t. jackii was decreasing sharply and its living area was contracting, so the percentage of genetic variance among t. jackii populations was lower than that within its population ; secondly, its genetic diversity index was relatively high ; thirdly, according to its gene flow index, the population disintegration of the species could be prevented by genetic communication among populations of the species ; finally, the similar index between the populations from jiangshi nature reserve and from xufan reservoir was higher than that between the populations from jiangshi nature reserve and from xufanggeng, corresponding with the fact that it is nearer between jiangshi nature reserve and xufan reservoir than that between jiangshi nature reserve and xufanggeng

    2 、長葉榧的遺傳多樣性分析，分析了多態位點百分率（ percentageofpolymorphicsites ） 、 nei氏基因多樣性指數（ nei 』 sgenediversityindex ） 、 shannon信息指數（ shannon 』 sinformationindex ） 、居群間的相似系數（ geneticsimilarityindex ）和遺傳距離（ geneticdistance ） 、遺傳變異在居群間和居群內的分佈（ thepercentageofvarianceamongandwithinpopulation ）及基因流（ geneflow ） 。結論是：分佈在群體間的遺傳變異較分佈在群體內的遺傳變異小，說明該生物的分佈范圍越來越狹小。
  7. Research on the egrets mixed population in xiamen egret natural reserve found that the reserve and its extending area provided the population fitting conditions through winter. the dominating component is little egret ( elpetta garzetta ) and there were some large egret ( egretta alba ), cattle egret ( bubulcus ibis ) and few chinese egret ( egrtta eulophotes )

    2000 2001年，對廈門白鷺自然保護區的鷺類種群動態研究表明，保護區及其周邊地區為鷺類種群提供了優良的越冬條件，越冬鷺群主要包括白鷺和少量牛背鷺與大白鷺，偶見黃嘴白鷺。
  8. Longgang nature reserve plays an important role in preserving two langur species of both white - headed langur and francois langur. interview and field survey methods were used to survey the distribution and population size of these two langurs in this natural reserve from december 2001 to january 2002. the result indicated that the reserve has 8 groups of white - headed langur with 68 individuals in longrui and 10 groups of francois langur with 75 individuals in longgang. the distribution area and population size of both of the two langurs in this reserve have greatly declined in the past decades. they are seriously threatened and have high risk of disappearance from this reserve if no effective measures are to be taken at once

    為了確定弄崗自然保護區內白頭葉猴的種群數量，彌補黑葉猴種群數量的空白，掌握此保護區葉猴的生存現狀，採用訪問法和實地數量統計法相結合的方法對弄崗自然保護區的弄崗、隴瑞和弄呼3個部分進行深入的調查研究.調查結果表明，在隴瑞片范圍內，共有8群白頭葉猴，種群大小在68隻左右，和20世紀80年代末的244隻相比，數量下降相當驚人;在弄崗片內，共記錄到黑葉猴群10群，最大的種群為11隻個體，最小的種群是4隻個體，共計約有75隻黑葉猴（絕對數量統計） ;弄呼的黑葉猴種群已經于上個世紀的晚期消失.造成目前狀況的因素主要是過度狩獵和其他形式的過度干擾.弄崗自然保護區的葉猴種群數量已經接近可持續繁殖種群的最低水平，如不採取有效的保護措施，這個種群將很可能在短期內消失
  9. This study deals with butterfly diversity and assessing endangered species in natural reserve of baishuijiang in gansu province. the research includes field investigation, observation at certain time and places, captive breeding in experimental area, capture - recapture etc. the biology of four important butterfly species is studied, especially focusing on the natural population life table, habitats, population structure and mobility of byasa impediens. the population developing trend and key factor that result population decline and fluctuation of troides aeacus and byasa impediens are analysed

    本文在甘肅白水江自然保護區碧峰溝通過野外調查、定點定時觀察、實驗地飼養、標記重捕等方法研究了碧峰溝的蝶類多樣性並進行了局部瀕危評估；研究了四種重要蝶類的生物學特性；對長尾麝鳳蝶的生境、自然種群生命表、種群結構、種群移動性進行了深入研究，並估測了各種種群參數，分析了種群發展趨勢。
  10. 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。
  11. Population size and protection countermeasures of silver pheasant at maolan national nature reserve, guizhou province

    貴州茂蘭自然保護區白鷴種群數量與保護對策
  12. The population of david ' s deer has been efficiently developed since a national natural reserve in shishou city, hubei province was established

    摘要自石首麋鹿國家級自然保護區設立以來，麋鹿種群得到了有效發展。
  13. Abstract : expounding the important stvategics sigmificance to ensure food safety. pointing out five countermensures to ensure china food safety. the pst is to increase food and improve degree of food self - sufficiency. the 2 " rd is to develop agricultural reserve resource. the 3 " rd is to save food. the 4 " th is to strengthen food reserve. the 5 " th is to control population

    文摘:在闡述保障糧食安全戰略意義的基礎上，提出了我國保障糧食安全的五點對策：一是積極持續增產糧食，不斷提高糧食自給率；二是開發農業后備資源；三是節約糧食；四是搞好糧食儲備；五是嚴格控制人口增長。
  14. Then, two methods are applied to keep the diversified variety of colony : reserve two special units in new population and increase the mutation factor

    針對遺傳演算法的群體多樣性過低的缺點。提出了兩種改進方法，使得群體始終充滿多樣性。
  15. In the tuli block, there is the mashatu nature reserve with a small population of elephants leopard, lion, giraffe and a variety of bird species

    圖利風景區內的馬沙圖自然保護區有為數不多的大象、美洲豹、獅子、長頸鹿和一些鳥類。
  16. The main contents of this research are as follows : 1. sustainable agriculture development requests good production and resources reserve and achieving the balance in supply and demand and sound cycle of ecosystem to feed the increasing population

    主要研究結論為： （一）農業可持續發展，要求既增加生產，不斷保證日益增長的人類世代消費需要；又杜絕犧牲有限資源和破壞環境的不良行為，以保持資源的供需平衡和環境的良性循環。
  17. A preliminary study on population structure of cathaya argyrophyella in dashahe nature reserve of guizhou

    貴州大沙河自然保護區銀杉種群結構初步研究
  18. Distribution of taxus chinensis var. mairei population in manghe nature reserve

    蟒河自然保護區南方紅豆杉種群的數量分佈
  19. In the same year as the establishment of the bang sai bird park, her majesty lent her invaluable support to a scheme to reintroduce the eastern saurus crane, a large wading bird that was once common in thailand but not seen in the country since the 1960s. from a population in northern australia, six young cranes were officially presented to queen sirikit and settled in a reserve in chonburi province. more recently, royal attention has been focused on the plight of elephant

    引1985年3月14日王后獲得亞洲社會人道主義獎，這個獎表彰王后對女性的幫助，大會對她這樣描述： 「有遠見的王后為提高女性的社會地位做了她力所能及的事，包括贊助支持很多社會和民間組織，並發起婦女的教育及培訓活動，以便在鼓勵她們展示泰國傳統藝術文化的同時，也能提高他們的經濟地位和社會福利。 」
  20. They are agricultural productive materials price growth rate, sown area of grain crops growth rate, grain yield per area growth rate -, natural disaster covered grain areas growth rate, net grain import change rate, grain reserve change rate, population growth rate, per income growth rate, city and town population growth rate, food industry production value growth rate, year - end pig number growth rate, medical & pharmaceutical and textile industry production value growth rate, grain marketization degree, inflation rate using the previous year as base year ( preceding year = 100 ), public grain purchases price growth rate, investment in agricultural science and technology growth rate, investment in agricultural infrastructure growth rate, growth rate of graduates number from agriculture, forestry, science & technology universities and colleges and specialized secondary schools, government expenditure for agriculture and agricultural credit growth rate, international grain price growth rate, rmb exchange rate growth rate, last grain price growth rate, economic crop price growth rate, meanwhile, a new method is attempted to be used in this paper and the grain price early - warning problem is transformed into machine learning problem by introducing statistic learning theory and svm method which are gaining popularity in machine learning field at present in the world

    在此基礎上，篩選出23個警兆指標：農用生產資料價格增長率、糧食播種面積增長率、糧食單產增長率、糧食受災面積增長率、糧食凈進口量變化率、糧食儲備變動率、人口增長率、人均收入增長率、城鎮人口增長率、食品工業產值增長率、豬年末頭數增長率、醫藥紡織工業產值增長率、糧食市場化程度、以上年為基年的通貨膨脹率、國家糧食定購價格增長率、農業科技投入增長率、農業基礎設施投入增長率、農、林、科技高校大、中專畢業生人數增長率、財政支農資金比重及農業信貸增長率、國際糧食市場價格增長率、人民幣匯率增長率、上期糧食價格增長率、經濟作物價格增長率。同時論文在預警方法上作了新的嘗試，把糧食價格預警問題轉換成一個機器學習問題，引進當前國際上機器學習領域中比較熱門的統計學習理論和支持向量機方法，用順序回歸演算法對歷史數據進行學習建立了糧食價格預警模型。
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