生物性演替 的英文怎麼說
中文拼音 [shēngwùxìngyǎntì]
生物性演替
英文
biotic succession- 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;...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 演 : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
- 替 : Ⅰ動詞1 (代替) replace; substitute for; supply [take] the place of 2 [書面語] (衰敗) decline Ⅱ...
- 生物 : living things; living beings; organisms; bios (pl bioi bioses); biont; thing; life生物材料 biol...
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So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction
巖溶空間介質具有地上地下雙層結構,可溶巖造壤能力低,巖溶水空間分佈不均、地表地下水關系密切、水源易漏失,偏堿性環境、生物資源集聚程度低,植被逆向演替快、順向演替難,巖溶地質與生態環境十分脆弱,受到人為因素的影響和破壞,極易產生石漠化、土壤侵蝕與退化等一系列問題。In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced, and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly
本課程主要講述礦物及其共生組合的形成和變化的條件和過程,不同物理化學條件下礦物的成分、結構、形態、物性等標型特徵以及它們之間的內在聯系,礦物及其共生組合在時間上和空間上的分佈和演化規律,礦物成分、結構、形貌、物性等的分析測試方法,礦物地質溫度計和地質壓力計對其形成環境的表徵,不同體系(封閉體系、開放體系)條件下,礦物的穩定范圍和彼此替代順序的共生分析,重點介紹黃鐵礦、石英、石榴石、輝石、角閃石、雲母、長石等礦物(族)在成因上的宏觀標志和微觀信息,以及其成因信息在成巖作用和成礦作用中的地質意義。( 2 ) there is stage of soil formation from the evolution of pedogenic environment in the weihe valley during holocene. soil formation shows the law of evolving from warm and wet strong soil formation period to cold and dry dust deposition period ( weak soil formation period ) and to warm and wet strong soil formation period again. the loess - soil sequence is a compound soil sectional system of different kinds of soil evolution under different bio - environment and pedogenic processes
( 2 )通過對全新世渭河流域成壤環境演變問題的討論,揭示了全新世渭河流域土壤的發育具有階段性,表現為由溫濕的強成壤期向冷乾的沉積期(弱成壤期)演變、再向溫濕的強成壤期演變的規律;黃土一古土壤序列是不同生物氣候環境下、不同成壤過程發育的不同土壤類型演替而形成的復合型土壤剖面體系;而且由於冬夏季風環流及其環境效應在空間上的差異,使得復合型土壤剖面體系也存在著南北差異。This paper systematkally researched the characteristics of growth and physiology of sophora viciifolia hance ( a kind of natural shrub ) and its effects on the content of soil water, soil nutrieftt and soil physical property. the paper applied some methods and theory of plant ecology, plant physiology, physics of soil and soil chemistry etc. three different age s. viciifolia hance in the different plot were selected, caraganar land and fallow land as a comparison
本文以陜北黃土區安塞紙坊溝流域內在植被演替中佔有重要地位的天然灌木種( 6 、 14 、 17齡)狼牙刺( sopharaviciifoliahance )為對象,以15齡檸條( caraganar )和撂荒地為對照,系統研究了狼牙刺的生長特徵、生理特性,及其生長對土壤水分、土壤養分、土壤物理性狀的影響。Results demonstrate that with the succession going on from herbosa shrubs coniferous forest theropencedrymion evergreen broad - leaved forest, abundance and diversity index of species, biomass and productivity of vegetation all show a rising trend prior to the formation of a mature and stable biotic climax
結果表明:隨著草叢灌叢針葉林針闊混交林次生常綠闊葉林正向演替的進行,在未形成成熟而穩定的頂極群落之前,物種豐富度、物種多樣性指數、植被生物量及生產力都呈增大趨勢。Five vegetation communities : herbosa, shrubs, coniferous forest, theropencedrymion, and evergreen broad - leaved forest in the red soil region of the lijiang valley are selected as the five successive stages of the typical restoration process of degraded ecosystems to study variation of structure and biomass of the vegetation of the five different stages
摘要利用時空替代原理,選取灕江流域紅壤區退化生態系統恢復過程中具有代表性的草叢、灌叢、針葉林、針闊混交林、常綠闊葉林5個階段作為演替序列,研究自然恢復過程中各演替階段的植被結構動態和生物量變化。Severe fires can often cause changes in successional rates and soil hydrologic functions, degradation of soil physical properties, alter c : n ratios, and result in subsequent nutrient loss through accelerated erosion, leaching or denitrification, and alterations in microbial populations and associated process can occur
高強度火燒往往能引起演替頻率的改變,土壤物理性質退化,水文功能發生改變,改變c n比,加劇侵蝕、淋溶和反硝化作用,導致養分流火,微生物數量及其相關過程發生變化。Based on investigation of natural forest vegetation in chaoguanxigou watershed of rocky mountain area of north of china, the composition of species, structure of dbh of trees and species diversity of trees and shrubs in the course of forest succession are researched
摘要基於華北土石山區潮關西溝流域天然森林植被調查的基礎上,對森林植被群落演替中群落樹種組成、胸徑結構和生物多樣性變化進行了研究。The paper studied three aspects of extracelluar enzymes in sediments of the tidal flat wetland, namely 1 ) the distibution of five sorts of extracellular enzymes in sediments in the east end of chongming island along the elevation gradient or community succession series, the relationships between the activities of enzymes and the ecological factors, and functions of extracellular enzymes in the process of community succession ; 2 ) the effects of the heavy metal ions and edta on the activity of alkaline phosphatase in sediments of the east end of chongming island by adding and removing of heavy metal ions, discussing whether the activities of extracellular enzymes could be taken as the indicators for the environmental status ; 3 ) the variations of the activities of extracellular enzymes in sediments in the east end of hengsha island after the discarding clay
本文以長江口典型濕地?崇明東灘為例,首次研究了沿高程梯度或沿植被演替系列沉積物中堿性磷酸酶等五種胞外酶活性的空間分佈規律,分析了胞外酶活性與環境因子的相互關系及其產生機制,討論了胞外酶活性在濕地植被演替中的作用。同時以崇明東灘沉積物為對象,運用重金屬離子的添加和去除等方法,研究了重金屬離子對沉積物中堿性磷酸酶活性的影響,利用胞外酶活性的變化探討了崇明東灘重金屬污染的狀況。此外,本文還研究了橫沙東灘吹泥試驗工程對沉積物環境因子和胞外酶活性的影響並進行了對比分析。Based on the enviroment of the nandagang wetland, combining the outside investigation and inside analysis, adopting the mathematical analysis methods such as the principal component analysis ( pca ), regression analysis, correlation analysis etc. the type of wetland ecosystem, the flora of the wetland plant, the type, the function, the formation and succession and the outside influencial factors of the vegetation, the ecological conditions and biomass of the reed population are all studied. the main results can be concluded as follows : 1 ) the nandagang wetland is a freshwater one close to the bohai sea. its ecosystem can be divided into two parts : natural ecosystem and semi - artificial ecosystem
本研究從南大港濕地的實際環境出發,採用樣方調查的方法,以外業調查和內業分析相結合、野外採集測量與實驗室分析處理相結合、定性描述與定量分析相結合為根本研究路線,應用主分量分析( pca ) 、回歸分析、相關分析等數學分析手段,對南大港濕地生態系統的類型、濕地植物的區系組成、濕地植被類型、植被的功能、植被的形成和演替、植被的外界影響因素、濕地蘆葦種群的生態條件和種群生物量等方面進行了較深入的研究,主要研究結果如下: 1 )南大港濕地是濱海瀉湖型淡水濕地。Based on analysis of soil physical, chemical and biological properties, soil properties and soil integrated fertility index ( iff ) of different successional series of subalpine coniferous in western sichuan were systematically studied. the results showed soil fertility degradation of subalpine coniferous forests was mainly related to decrease of soil organic matter
從土壤物理、化學和生物學性質角度出發,系統地研究了四川西部亞高山針葉林不同演替階段土壤性質和土壤綜合肥力指標值,結果表明:川西亞高山針葉林土壤性質主要受土壤有機質的影響,人工林地土壤肥力質量退化主要由於有機質的減少並導致相關土壤物理、化學和生物學性質惡化。Today, the forest has been fairly well reestablished, tending to a mixed forest of evergreen broad - leaf and deciduous broad - leaf trees in succession
該群落的物種多樣性在同地區的次生林類型中處于較高水平,表明群落以前受到過中度干擾,目前的恢復狀況較好,群落的演替趨勢是常綠闊葉落葉闊葉混交林。There were 71 species in the community 2 ( castanopsis fargesii - itea chlnensis - maesa japonica community ), and castanopsis fargesii and itea chinensis were respectively the absolute dominant species of tree layer and succession layer, maesa japonica was the dominant species of regeneration layer
群落次生天然演替過程是以地帶性植被殼斗科、茶科、冬青科等物種為主。總體上黃茵嶺生態保護小區群落種子植物屬的分佈類型是以熱帶分佈成分佔絕對優勢,種子植物以熱帶起源為主。Organic c in the soil profiles were measured as in total and fractionated into microbial biomass - c, water - soluble organic - c, light - fraction organic - c, and heavy - fraction organic - c. the amounts of microbial biomass - c, and water content in soil profiles were consistently analyzed. the aim of this study was to investigate interactions between the accumulation of soil organic c and vegetation successions in the region, in a purpose to improve understanding on how changes in soil conditions affect vegetation successions in the region
通過分析植被演替各個群落(棄耕地先鋒群落、草本群落、灌叢群落、早期森林群落、遼東櫟群落) 0 50cm深度內土壤有機碳、微生物碳、水溶性有機碳、輕組有機碳、重組有機碳的變化規律及相互關系,初步探討了植被正向演替過程中土壤有機碳的積累與變化規律。Halosere a plant community in a succession that starts on land periodically inundated by the sea. haloseres include salt - and flooding - tolerant pioneer communities on mudflats and saltmarshes
鹽生演替系列:是一種在周期性被海水淹沒的陸地上進行演替的植物群落。它包括那些在泥灘和鹽沼上生活的耐鹽耐淹的先鋒群落。In 1996, it was listed in the main plan of science and technique spread by nstc
自然植物資源遭到前所未有的掠奪式開發利用,地球植被在加速發生衰退性演替。The disaster of drought and waterlog is severely and frequently, the water and soil loss and rock desertification is increasing, the subsidence is happened at some ground, the bio - diversity decrease, the vegetation and soil evolve conversely, the productivity declines, the people lives in difficulty, and the most phenomenon and types of ecological problem are concentrated in karst area. to strengthen studies on karst ecological characteristics and degradation types can provide gist for ecological rehabilitation and reconstruction in karst area, but also can provide means for reference for other ecology area
嚴重而頻繁旱澇災害、水土流失、石漠化現象加劇、地面塌陷、生物多樣性喪失、植被與土壤出現逆向演替、生產力水平降低、人居生活困難等,集中了全球生態問題的主要表現和主要類型;因此,加強對巖溶區生態特徵和退化類型的研究,不但能為巖溶區生態的恢復和重建提供依據,也為其它生態區的研究提供方法借鑒。Storing information in molecules of dna could allow for an information density of approximately 1 bit per cubic nanometer. the energy consumed by dna molecular biology computing is billionth of that consumed by one conventional computer. the characteristics of dna molecular biology computing mentioned above which are high parallelism, huge capability and low consumption are incomparable and irreplaceable to the existing computers and parallel ones
Dna分子生物演算法具有高度的并行性,運算速度快; dna作為信息的載體其貯存的容量非常之大, 1立方米的dna溶液可存儲1萬億億的二進制數據; dna分子生物計算所消耗的能量只有一臺電子計算機完成同樣計算所消耗的能量的十億分之一; dan計算的上述特性,即運算的高度并行性、大容量、低消耗是目前計算機和并行計算機所無法比擬和替代的。The relationship between the vertical structure in the secondary succession community of the evergreen broad leaved forests on the jinyun mountains in chongqing and species diversity in them was estimated and analyzed based on their vertical structure and species diversity index
從垂直結構和物種多樣性指數,測度分析了重慶市縉雲山常綠闊葉林群落次生演替序列垂直結構與物種多樣性的關系。The forested areas expanded by forming largebiomes through both artificial and natural means, with a gradual and natural succession towards rich biodiversity ; this in turn led to a greater diversity of wildlife
大型生物群落以人工或天然方式形成,讓林地得以擴大,由此出現漸進的自然演替,終達至豐富的生物多樣性,這轉而又能使野生生物更加多元化。分享友人