物源區指數 的英文怎麼說
中文拼音 [wùyuánqūzhǐshǔ]
物源區指數
英文
provenance index-
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。The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand
針對流域特點建立了基於水資源的流域可持續發展評價指標體系，引入發展系數、協調系數、公平系數，以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數，提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究，論文根據生態適宜性理論，建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型，利用遙感技術成果以及植物生理需水的現場實驗數據，提出了乾旱區天然植被生態需水量計算方法。We can see that es3 and es4 source rocks contributes greatly to the formation of immature oil. other oil source correlation also show that the immature oil originated from source rocks of es3 and es4 in this region. 7 ) the existence of high abundance of sulfid in the mudstone indicate that that there is a relatively high salinity environment in source rocks which is favorable for algae growth
4 、通過穩定碳同位素、甾烷和萜烷等不同的生物標志化合物參數分析探討了研究區德1井低熟油的物源，生物標志化合物圖譜指紋對比表明，德1井沙一段（ es _ 1 ）油來源於本段烴源巖，德1井沙四段（ es _ 4 ）原油主要來源於沙四段泥巖和沙三段中、下部泥巖，為自生自儲成因。In the agricultural total output value internal structure, output value of forestry and animal husbandry occupy 80 % of it, and realize fully exploitation and utilization of the superiority environment factors ; in the crop planting output value internal structure, the economical crop output value occupy 51. 18 % of it, and give prominence to develo pment of the regional superiority ( resource superiority ) and characteristic agriculture ( chinese medicinal materials etc ) ; in the animal husbandry output value internal structure, the grass - eating animals output value ( including rabbit output value ) occupy 84. 55 % of it, thereinto, the rabbit output value occupy 66. 2 % of it, and realize operation of large scale ; enhance meat, egg and milk per person ( increase proportion of beef and mutton, reduce proportion of pig ), and reduce grain per person and oil plants per person, and enhance forest - coverage rate, source of manure index etc, and enhance ecological benefit
到2020年時農業總產值達到了2000年的2 . 75倍，人均產值達2753 . 42元，是2000年的2 . 39倍，總產值內部，林業和牧業產值佔80 ，充分實現了優勢環境因子的開發利用；種植業內部，經濟作物產值佔51 . 18 ，突出了區域優勢（資源優勢）和特色農業（中藥材等）的發展；牧業內部，草食畜產值（含兔）佔84 . 55 ，其中兔產值占牧業產值的66 . 2 ，實現了規模化經營；提高了人均肉蛋奶佔有量（其中增加牛羊肉比重，降低了豬肉比重） ，降低了人均糧食和油料佔有量，同時還提高了森林覆蓋率、肥源指數等指標，從而提高了生態效益。It has the basic features of strong market competition, obvious economic benefits, large production scale and high industrial specialization. the development of characteristic resource in a region is based on the advantages of local resources - both naturally and anthropogenicaly. therefore, its target is to explore the advantageous local resources to produce high quality agricultural goods to meet the demands of markets and society for the return of high profits
本文在探討特色農業概念、內涵及其主要影響因素的基礎上，構建了以農業資源稟賦、農產品綜合比較優勢、作物生產生態適宜性3大指標類15個二級指標48個三級指標為核心的特色農業評價指標體系及其相應的評價方法，結合gis平臺，建立了特色農產品區域布局的實施方案，並結合案例以5年生產數據和15 30年氣候統計數據進行了實證分析。The comparative ability of resources for bearing the pressure of population, the efficiency of resources utilization, the efficiency of energy utilization, the rate of resources reserves decrease, the surcharge of the resources, the resources possessed by per capita, the consumption of resources by per capita, the index of resources guarantee ' s degree, the gross consumption of substance, the intensity of the consumption of substance, and the productivity of substance and so on indexes for natural material resources were chose to construct a index system that could be used to tell the degree of the sustainable development for certain material flow ( short for mf )
本文簡要介紹了可持續發展及區域物料流的概念。選取相對資源承載力、資源利用效率、能源利用效率、資源儲量變化率、資源超載人數、人均資源佔有量、人均資源消費量、資源保證程度指數、物質消耗總量、物質消耗強度及物質生產力等指標建立了一套自然材料資源的可持續能力評價指標體系。概括介紹了中國西部的兩個典型省區和一個典型地區，即重慶、甘肅及攀枝花地區典型材料行業發展現狀。Meanwhile, according to the assessment cell of small watershed, the paper evaluates each index and compositive index. the paper can provide scientific bases for both protection and use of wetland by disclosing the spatial distributing rules and analyzing the impact on environment brought because of exploiting. the study shows that 1 ) in the structure of wetland ecosystem health of panjin city in 2000, better area accounts for 22 %, generic area 52 %, worse area 26 % ; 2 ) in shuangtaizi national wetland nature reserve, the health of many regions is better, the one of partial regions is threaten, the area of wetland is decreasing ; 3 ) in the period from 1986 to 2000, paddy field, shrimp and crab pool were increased, swamp and biodiversity were decreased gradually, and the environment of wetland was polluted gradually
本文以生態系統學、景觀生態學、生態系統健康、區域可持續發展等理論為基礎，根據聯合國經濟合作開發署提出的壓力-狀態-響應（ psr ）框架模型，以遙感數據及統計監測數據為基礎，採用rs 、 gis 、 gps技術，結合數理統計和數學模型方法，提取土地利用/土地覆蓋信息、濕地類型信息、小流域信息、濕地景觀指數、濕地初級生產力、濕地人口壓力指數、濕地蓄水量、濕地污染物負荷、濕地變化等數據，建立盤錦市濕地生態系統健康數據庫，以小流域為評價單元，對每個小流域濕地進行單因子和綜合評價，揭示盤錦市濕地生態系統健康狀況的空間分佈規律，同時對濕地資源開發造成的環境影響進行剖析，為濕地資源的保護與利用提供科學依據。分享友人