land index 中文意思是什麼

land index 解釋
土地指數
  • land : n 1 陸地,地面。2 土地,田地;農田;〈pl 〉所有地,地產。3 國土,國,國家;領土;地方;(…的)世...
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  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. In this paper, based on land use maps of 1976, 1988, 2003, which were interpreted from the landsat mss / tm / etm imageries, and the map of main road, with the buffer analysis tool in arcgis 8, we studied the land use and land cover change on the two sides of the main roads in xishuangbanna, then we studied the impact of population density and the topographic factor on road effects. during the study both the comprehensive land use dynamic degree model and the land use degree comprehensive index model are taken into account, we put forward a compensatory model ? “ amendatory comprehensive land use dynamic degree model ”

    由於人類活動干擾強度加大,公路效應深度不斷擴展, 1976年為5km , 1988年為7km , 2003年達到11km ;受自然、社會條件的影響,不同路段的公路效應存在較大差異,甚至同一路段兩側效應也各不相同。 1976年至2003年,距公路不同距離范圍內的人口密度都在增加,且距離公路越近,人口數量密度越大、增長越快,人口分布有向公路兩側聚集的趨勢。選取人口密度為大、中、小三個樣區分別分析公路效應的范圍表明,人口密度
  3. The regulation showed : land use diversity and combination types of land use were increased from suburb to distant suburb plain and half coteau. the opposition trend was presented on the change of the concentration index of land use. as distant suburb coteau was controlled by the background of mountain, the land use diversity index was minimum and the concentration index was maximum

    北京市土地利用格局的區域差異呈現如下規律:土地利用多樣性和土地利用組合類型數由近郊向遠郊平原、遠郊半山區依次遞增;土地利用的集中程度則剛好相反;遠郊山區由於受大環境背景山地控制,土地利用多樣性在各區中是最小的,而集中程度則是最大的。
  4. The results are summarized below : 1 ) study on soil science indicates that soil granular structure is the focus adjuster for soil fertility and it affects the space, water - grasp, aeration and anti - erosion of soil. and the percentage of aggregate is one of the key index that decides the speed and extent of soil erosion, hardening and degeneration because the soil degeneration will first lead to the disappearance of crumb - structure. so it is very important that the physical course and character of soil in different land use pattern are realized

    現將主要結果摘要如下: l 、士壤學研究表明,團粒結構是土壤肥力的中心調節器,影響著土壤的空隙性、持水性、通透性和抗蝕性;任何土壤的退化首先將表現出團粒結構的消失;團聚體百分比是決定土壤侵蝕、板結等物理過程速度和幅度的關鍵指標之一,了解不同土地利用和土壤管理方式的物理過程和性質相當重要。
  5. Far ( floor area ratio ) is an important index to reflect the quality of urban inhabitancy and the intensity of land use. it also signify the economic profit of land agent

    城市住區中,建築容積率作為衡量居住質量的綜合性指標之一,也是影響開發商經濟利益的重要技術參數。
  6. The results indicate that ( 1 ) land production is on the basic development level, the restrictive factors of land production are the ratio of land production, product of crop, the area of medium and low production, multiple crop index

    研究結果表明:土地生產力處于基本可持續發展階段。土地生產率、公頃糧食產量、中低產田的面積、復種指數等對土地生產力的持續發展起限製作用;資源環境保護從初步可持續發展到基本可持續階段。
  7. Other factors that were found to have positive effects on soil nutrients include the multiple cropping index and the practice of plowing stalks back into the land. these findings lead to several policy recommendations. first, it shows that economic variables are very important in determining changes in soil fertility, and therefore the theory and method of economics should be taken seriously by soil scientists

    然後,根據理論預期以及單因素分析結果,我們建立了土壤肥力變化的社會經濟及政策影響因素模型,分別採取差分和固定效應兩種具體模型形式,對各種可能的社會經濟及政策因素對土壤肥力變化影響的方向和程度做了定量估計。
  8. Based on the cultivated land fertility, according to grain yield, the planting coverage, the ratio of the grain crops to industrial crops and multiple crop index, the cultivated land population carrying capacity in 2010 and 2030 at the different population increasing modes were attained by predicting and analysing the food produce and the cultivated land carrying capacity

    摘要以耕地地力為基礎,根據糧食單產、種植面積、糧經比和復種指數對河南省糧食產量和耕地資源承載力進行了預測和分析,得出不同人口增長模式下的河南省2010年和2030年耕地資源人口承載力。
  9. From the analyse of in - out index, we know that hetian population grows quickly and keeps such condition for a long time. this causes a large number of population and makes the population denominator effect obviously. overfull population affects the regional sustainable development, and causes contradiction between the population number and the land, food and all kin

    而人口是「 ppe 」怪圈中唯一的具有能動性的因子,又位於可持續發展的基礎層,人口數量問題給當地脫貧工作帶來了困難,所以要想達到全面小康社會的目標,解決和田不可持續問題就需要找出貧困怪圈的癥結,要首先解決人口問題。
  10. Since 1985, the idea of school effectiveness has changed in china. analyzing the standards or levels for running a school and evaluation index systems or schemes that governments make, combining analysis result of questionnaire investigations, the school effectiveness evaluation index system of heilongjiang province land - reclaimable general bureau is designed

    通過對1985年以來中國學校效能觀的變化和中國各級政府制定的學校辦學水平或成效評價指標體系或方案的分析,並結合問卷調查的分析結果,制定了黑龍江省農墾總局教育系統的學校效能評價的指標體系。
  11. The abundant degree of plants, seed seedling amount, and the diversified index in the seed bank of the urban green land are lower than the natural second growth forest in outer suburbs

    城市綠地土壤種子庫中種的豐富度、種子苗量、多樣性指數均不如遠郊區山地天然次生林。
  12. To improve understanding of the processes of heterogeneous land surface - atmosphere interaction, the utilization of satelli te remote sensing is indispensadle. in this paper, with the aid of satellite remote sensing and fiend observational data which observed during intensive observation of huaihe river bain energy and water cycle experiment hubex in 1998, the surface albedo, ndvi normalized difference vegetaton index and surface temperature in regional scale of hubex could be derived. then, the distribution of regional energy balance components could be estimated. this wor provided the physical foundation for the numerical simulation of the huaihe river basin energy and water pro cesses, and is important for us to further analyze the regional distribution of surface characteristic parameters ad energy balance components with the change of the weather situation in hubex in 1998. our work is still in a developing stage, some methods of retrieval in the paper should be improved further

    利用1998年淮河流域加密觀測試驗hubex iop期間的資料,進行淮河流域能量平衡的參數化方案的研究,用noaa衛星的avhrr資料建立了試驗區地表特徵參數及能量平衡各分量的參數化方程,並對衛星遙感反演結果和試驗觀測值進行了對比,為淮河流域能量和水循環的數值模擬提供了物理依據。
  13. With the increase of abandoned time, perennial plants increased, the function communities were richer, p diversity index in two communities reduced with abandoned interval, but the vegetation restoration was slow, the land abandoned for 30 years have not got to climax community

    隨撂荒年限的增加,多年生植物的種類和數量逐漸增加,植物群落功能群構成逐漸豐富,群落間多樣性指數隨撂荒時間間隔的增大而逐漸減小。但植被恢復緩慢,撂荒30年仍未達到頂極群落階段。
  14. On this basis, adopt the plural linear regression method, regard peasant ' s per capita income as the dependent variable, per capita agricultural land area, unit agricultural land area chemical fertilizer use amount, agriculture total value account for gdp proportion and land degradation the index data ( land degradation fictitious variable, land degradation percentage and land degradation the array variable of the degree ) as the independent variable

    在此基礎上,採用多元線性回歸方法,以農民人均收入為因變量,人均農業用地面積、單位農業用地面積化肥使用量、第一產業總值佔gdp比例和土地退化指標(土地退化與否的虛擬變量、土地退化百分比和土地退化程度的序列變量)為自變量來分析。
  15. The train of thought is : on the basis of the different factors and importance which effect the land use intensive level, economic benefit and environmental benefit, it determines the evaluation index system and the weight value. based on the standardized firsthand data, it defines weighted sum to found a composite index. thus arranging the composite index in mathematical order, it fixes quantitatively the land use intensive level, economic benefit and environmental benefit to demonstrate quantity, structure, scale, benefit and distribution on land use in small - towns of chongqing

    其評價思路為:根據影響小城鎮土地集約利用水平、土地利用經濟效益、環境效益的各因子及其重要程度的不同,確定評價指標體系及指標權重,在對原始數據標準化的基礎上,按照指標權重,將各指標值加權求和,得到小城鎮土地集約利用、土地利用經濟效益、環境效益的綜合指數,按綜合指數從大到小的順序對各評價單元進行排序,定量地確定小城鎮土地集約利用水平、土地利用經濟效益、環境效益,從而找出重慶市小城鎮土地利用的數量、結構、規模、效益特徵及布局特點,根據小城鎮土地利用與區域社會經濟發展的互動關系,分析存在的問題及原因,為小城鎮土地利用優化配置、小城鎮建設用地指標管理提供借鑒。
  16. The result shows that the area proportions of habitat landscape, industrial landscape, green - land landscape and water area landscape are 29. 57 %, 15. 423 %, 14. 501 % and 5. 98 % respectively in 2000. the number of landscape patch and diversity index of habitation is the highest and the fragmentation index of green - land landscape is the lowest in all landscape types

    結果表明, 2000年各景觀類型中,居住景觀和工業景觀的斑塊面積比例較大,分別為29 . 57和15 . 423 ,綠地景觀和水域景觀的比例偏小,分別為14 . 501和5 . 98 ;居住景觀的斑塊數和多樣性指數最大,綠地景觀的破碎度最小。
  17. Taking the land consolidation project of yizheng city in jiangsu province as an example, patch extension index, fractal dimension, diversity index, evenness index, dominance index, fragmentation index, corridor density, etc wee selected to analyze the characteristics of the landscape pattern before and after the land consolidation with the landscape ecology theory

    摘要運用景觀生態學理論方法,以江蘇省儀征市某土地整理項目為例,選取斑塊伸長指數、分維數、多樣性指數、均勻度指數、優勢度指數、破碎度指數、廊道密度等景觀指標,對項目區整理前後景觀格局特徵進行分析。
  18. The loss results from those factors, which are divided into three groups : the first one, drought, agriculture proportion and education index, is positively related with the loss of technical efficiency. the second, arable land per capita, weight of irrigation area and weight of new maize breed, is negatively related with it, and the last, water disaster and planting area of maize, is irrelated with that

    在影響玉米產出的各個因素中,旱災、農業比重、教育指數和效率損失呈正相關,人均耕地面積、灌溉、新品種應用和效率損失呈負相關而與技術效率正相關,水災、玉米種植比重兩個變量沒有表現出和效率損失有明顯的相關性。
  19. It maintains an index plan in digital form of all leasehold lots and government land allocations as well as records of the land boundary surveys

    該處為所有已批租地段及政府土地物業,備存一套數碼形式索引圖則,同時又備存所有地界測量的記錄。
  20. It has also established a cadastral survey plan index system to facilitate the search of land boundary survey records

    該處又設立一個地籍測量圖索引系統,利便地界測量記錄的查閱工作。
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