生態土型 的英文怎麼說
中文拼音 [shēngtàitǔxíng]
生態土型
英文
ecological soil type-
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。Based on the actual situation in the upper reaches of minjiang river, the main assessment factors such as strata structure, landform, vegetation covering eco - environment, surface water, ground water, agrotype and geological hazard are selected in this paper
本文根據岷江上游的實際情況選取巖性構造、地形地貌、植被覆蓋生態區、地表水、地下水、土壤類型及地質災害等因素作為評價因子。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。Relatively few foresters or tree breeders consider the presence of edaphic ecotypes.
考慮到存在土壤生態型的林學家或樹木育種家相當少。In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on
本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究，通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行分佈面積的統計，在此基礎上，以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據，對已成林的針葉林與闊葉林進行森林生態系統的價值估算，得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元，參照這一生態價值量，把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物，以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。Until now there are contradictorily results regarding the dominant soc stabilization mechanisms, possibly depending on factors, such as ecosystem and soil type, soil depth, soil managements, as well as soil biological activity and community composition
至今，有機碳穩定性的主導機制尚不清楚，但影響因素與生態系統類型、土壤類型、土層深度、土壤管理措施、土壤生物活性及群落組成等有關。A reservoir is built in housetop, have structure of wall of edaphic lay aside, some of alga, fish is put inside, form small - sized ecosystem with assuring water quality fresh
在屋頂建設一個蓄水池，有土壤貯壁結構，裏面放些藻類、魚類，形成小型生態系統以保證水質的新鮮。According to its cause and characteristics of landuse, we can classify such area into two typical areas : area with soil and water erasion and area with land desert
根據其成因和西部土地資源利用特點，可將西部土地生態脆弱區劃分為兩種類型：水土流失嚴重型生態環境脆弱區和土地沙漠化型生態環境脆弱區。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。Soil nematodes are the most abundant metazoan, which have various types of life - history and feeding habits, and play a key role in soil food web
線蟲作為土壤中數量最豐富的後生動物，其生活史和取食類型多樣，在生態系統中發揮著重要作用。The land occupied in the process of urbanization is divided into cropland, garden plot, woodland, grass / rangeland, water area, wilderness. according to the characteristic of land occupation in the process of urbanization, the ecological loss of land is environmental loss, land restoration costs and available ecological loss
本文將城鎮化進程中佔用的土地類型分為耕地、園地、林地、牧草地、水域、未利用地六種，根據城鎮化進程中佔用土地造成土地生態損失的特點，將土地生態系統的生態損失分為有效生態損失、環境損失、恢復費用三部分。This paper synthetically summarized current research on terrestrial nitrogen cycle and soil nitrogen cycle, meanwhile, uncertainties of terrestrial nitrogen cycle were discussed. the global diversified ecosystem nitrogen and carbon storage was comparative thoroughly estimated through different life zone. the global organic nitrogen storage was estimate by the c / n ratio
Post等按照不同生物帶比較全面的估算了全球各種生態系統類型的土壤碳氮密度和含量， mcelroy等利用土壤有機碳儲量和碳氮比來估算了全球土壤有機氮儲量。Land that was untouched could be tainted by pollution as generators, smokestacks and large vehicles sprout to support the growing energy industry
為支持蒸蒸日上的能源行業而冒出來的發電機、煙囪和大型船舶等污染物有可能會給原生態的土地造成污染。The springtails are widespread small to tiny arthropods in soil ecosystem
摘要跳蟲是土壤生態系統中分佈極廣的一類小型至微型節肢動物。Submersed land area including different utilizing type by sea water are calculated and the potential economic loss and population affected by the submerged disaster are assessed for no defence ， different sea - level rise and high water level. furthermore, special topic maps of fatalness of sea level rise, vulnerability of land system, socio - economic and ecological vulnerability, and defending ability are produced. the following results are combined with the basic study cell based on area source model following mathematical models of risk evaluation, considered of defence or no defence
運用海平面上升災害危險性、土地系統易損性、社會生態經濟易損性和抗災能力的數學模型，在mapinfo軟體下運行，得到該區上述四種評估因子的專題圖；並分別按照考慮抗災能力以及不考慮抗災能力兩種情況，用海平面上升災害風險評估模型融合各因子，得到遼河三角洲（盤錦市）海平面上升災害綜合風險評估圖。We have extended our research on rocky desertification, provided solid theoretical and technical basis for the control of rocky descrtification and established successful rehabilitation model with chinese characteristics such as integrated control of small drainage area, returning cultivated land to forestry and grass, production of both animal and grass, changing slope to terrance in order to prevent water loss and soil erosion, aiding the poor byway of environmental immigration and development and improving representative fragility ecology, etc
貴州對喀斯特石漠化生態環境進行了長期、持久的研究，為石漠化治理提供了堅實的理論基礎和有力的技術支撐，形成了具有中國特色的成功治理模式：包括小流域綜合治理模式，生態農業模式，退耕還林還草、林草結合的草、畜（禽）生產模式，草地畜教業模式，坡耕地防治水土流失的坡改梯模式，環境移民與開發式扶貧模式，典型脆弱生態環境綜合治理模式等。Based on the principles of restoration ecology and main aim of karst vegetation restoration at present, take huajiang canyon with a typical degraded vegetation area located in southwest guizhou as an example, we study bio - ecological features of the volunteer plants with some economic values and the soil environment, for the purpose of making some models of the pioneer plants to popularize
根據恢復生態學原理和喀斯特區植被恢復的目標，以位於貴州省西南部的典型喀斯特植被退化區花江峽谷為例，通過研究該區具一定經濟價值和推廣價值的先鋒植物的生物生態學特徵和土壤環境，研究適于推廣應用的先鋒植物群落模式。3 eight communities are identified by gradient analysis in desert - oasis ecotone, and species are divided into 5 ecological groups. dca ordination is superior to cca and dcca. variation of vegetation explained by environmental and spatial factors reaches 23. 4 % ; among these the species matrix explained by non - spatial soil factors account for up to 11. 5 % of variation, spatial variation that is not shared by soil factors explains up to 11. 6 %, their interaction explains up to 0. 3 %
3 、通過梯度分析，阜康荒漠綠洲過渡帶群落可分為8個類型，物種可分成5個生態類型； dca排序效果優于cca和dcca ；土壤和空間因子解釋了植被分異的23 . 4 ，其中土壤因子佔11 . 5 ，空間因子佔11 . 6 ，二者交互作用佔0 . 3 。( 2 ) the time series of ecological footprint from 1980 to 1999 are calculated using ecological footprint model ; and the ecological capacity of three years are calculated according the ecological land classification from remote sensed data, and then the ecological deficit of three years are acquired by the difference between ecological capacity and ecological footprint. beijing mountainous region became ecological unsustainable development in 1999 and the ecological deficit was 0. 27ha per capita. the counties including fangshan, changping and pinggu had the serious ecological deficits
（ 2 ）運用生態足跡模型計算了北京山區1980 - 1999年生態足跡時間序列，並採用遙感技術手段完成三個時間斷點的生態土地分類，計算相應的生態容量，進行了三個時間段的生態盈虧分析，進入21世紀，北京山區處于生態不可持續狀態， 1999年人均生態赤字0 . 27ha ，其中房山、昌平、平谷生態赤字較為嚴重。It is expected that changing land use / land cover pattern will be one of the driving forces of environment change at regional scale superimposed on the natural changes at the time scale from decade to century
本文運用遙感、 gis技術和生態模型方法，以內蒙古錫林河流域草原生態系統為例，研究我國北方乾旱/半乾旱草原地區土地利用/土地覆蓋變化和碳循環問題。分享友人