水生演替的 的英文怎麼說
中文拼音 [shuǐshēngyǎntìde]
水生演替的
英文
hydrarch- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 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;...
- 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 水生 : aquatic; [植物學] hydrophilous水生動物 aquatic animal; 水生花卉 flowering marsh plants; 水生環境 ...
-
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 text, the forming process and the microbial ecology of the activated sludge floe in sbr ( sequencing batch reactor ) were observed and studied
摘要採用序列間歇式反應器( sbr ) ,對啤酒廢水活性污泥凝絮體的形成過程及其微生態演替進行研究。At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed
結果表明:冷杉原始森林土壤容重隨土層深度的增加而增大,分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ,飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小,十壤總孔隙度也逐漸減小,土壤的持水能力隨深度的增加逐漸減弱;林外空地a層、 b層十壤容重相差不人,分別為0 . 92和0 . 99g cm ~ 3 ,其它規律與林內人體相同:皆伐跡地的低洼地段容易發生逆行演替,形成高原沼澤地。In artificial vegetation - fixed sandy dunes, microbiotic crusts always occur with stabilizing of the environmental conditions in vegetation regions
在土壤水環境變化的驅動下,人工植被系統發生了一系列的演替過程。This sewage-consuming biological process depends on a closely interrelated succession of species of animal plankton.
這種污水的生物凈化過程就依賴著浮遊動物種類的一種密切相關的演替。Culture solution of hydrodictyon reticulatum has been separated with membrance of 0. 2um, 0. 45um, and then microalgae is cultured with the separated solution. the results show that the mechanism that hydrodictyon reticulatum restrains microalgae is closely related to the chemical interference to microalgae from biometabolism of hydrodictyon reticulatum besides their resource competition. we also find that there are two main functional substances in permeated solution with membrance of 0. 45um, one substance is beneficial to other algae, the other can restrain growth of algae
水體富營養化藻類資源竟爭與種群演替規律的初探中文提要通過用0 . 20以m , 0 . 45林m膜對水網藻培養液的分離,再分別用分離液來馴化、培養微藻,結果發現,水網藻對微藻的抑制機理除與之進行資源競爭外,還與水網藻的生物代謝物對微藻的化學干預作用密切有關。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。Meanwhile, most aspects about this perspective are concerned, which include quantification of the soil water background of the plateau area, the regional spatial variation of soil water background and variation along the slope, mosaic structure and seasonal changes etc. the results show that : ( 1 ) for the fundamental circumstance for vegetation development is the original debilitated slope, so the perspective of soil water background specially for the loess plateau refers to the soil water conditions on the original slope. ( 2 ) the value of soil water background appears to be a descending trend from south to north based on the difference of vegetation zones. in the forest zone, soil moisture contents beneath 3m depth from the soil surface are more than 12 % usually ; in the forest - pasture zone, the values of soil moisture content beneath 4m depth underground are more than 6 % and stable, and tend to be ascending while the depth increases ; but the values in the dry pasture zone is lingering between 4 % to 6 % from the surface layer to sub - layers
發展了「土壤水分背景」的概念,並以之為基礎對其各個方面進行了研究,使之形成一個相對獨立和完整的體系,主要包括黃土高原土壤水分的背景值、土壤水分背景的區域分異、坡面分異、鑲嵌結構及其季節分異等: ( 1 )由於植被生長發展、演替的基礎階段是天然草被群落,故認為黃土高原的土壤水分背景在概念上是特指該區天然草被群落下的土壤水分狀況; ( 2 )黃土高原的土壤水分背景值,根據植被地帶的不同表現出自南向北逐漸降低的規律:森林地帶3米以下土層水分背景值普遍穩定地高於12 ,森林草原地帶4米以下土層水分背景值穩定大於6 ,且均隨土層的加深水分含量逐漸增加,而草原帶的土壤水分背景值自土表至底土層一直在4 6之間徘徊。On the other hand, this paper details the study on effects of environmental pollution on the algae growth besides essential nutrition, especially those of dye wastewater in sunan area on the process of eutrophication, from which we expect to know what the environmental pollution factors overlapping other factors interfere with the competitive relationships of different species and have a certain effects on the succession of water ecosystem species
另外,論文中的實驗也涉及到除對藻類生長所必需營養物外的環境污染因子的影響。尤其是蘇南地區的染料廢水等對富營養化過程的影響,以期了解疊加在其他因素上的環境污染因子對生物種群間的競爭關系的干預,及對水生生態系統種群演替的影響和程度。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。The results indicated that net - suspended spray seeding ( nsss ), spray seeding ( ss ), grass - stick technique ( gst ), liana protection ( lp ) and grass protection ( gp ), were the best preventative ways to prevent soil erosion, to renew succession and to form stable ecological communities, which have broad application
研究結果表明,掛網噴播、普通噴播、草棒技術、藤本護坡和植草護坡,是防止水土流失、更新演替,形成穩定的生態群落的最好方法,有著廣闊的應用前景。Future research should focus on : ( 1 ) to identify and purify allelochemicals more effectively, especially for agriculture, ( 2 ) the functions of allelopathy at the molecular structure level, ( 3 ) using allelopathy to explain plant species interactions, ( 4 ) allelopathy as a driving force of succession, and ( 5 ) the significance of allelopathy in the evolutionary processes
未來化感作用研究將集焦于如下五方面: ( 1 )更有效地在實踐中,特別是在農業生產過程中鑒定和提純化感物質; ( 2 )化感作用在分子結構水平的功能定位; ( 3 )應用化感作用解釋植物種間相互作用; ( 4 )化感作用在植被演替過程中的驅動力作用; ( 5 )化感作用在進化過程中的意義。Due to the influence of climate drought and human activities, the ecological environment of qinghai province is in an increasingly grave condition, namely, climate abnormal events occurring frequently, grassland degenerating, ground sanding, glacier shrinking, water level of lakes descending and river runoff decreasing, and so on. in the basis of extensively collecting and analyzing the data of qinghai ecological environmental factors such as climate, water resource and grassland resource etc., the further basic research is performed on the ecological environment characters of main climate factors, surface runoff, water resource, lcc and their correlation to coordinate with the basic, strategic and precursory research for the development of china west part and provide the scientific foundation for corresponding development both ecological environment and social economy, and persistent utilization of natural environment resource
本研究針對當前在氣候乾旱化和人類活動的共同影響下青海省生態環境中氣候異常事件即氣象災害頻繁發生、草場退化、土地沙化、冰川萎縮、湖泊水位下降和河流流量減少等生態環境退化現象日益嚴重的實際,在廣泛收集和整理青海省氣候、水資源、草地資源等生態環境因子基礎資料的基礎上,對青海的主要氣候要素、地表徑流、水資源、植被的演替及其相互間的關系等主要生態環境變化特徵進行了基礎性的研究。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。Wuxi county is located in typically fragile ecological strip - - three gorges reservoir area and belongs to national ecological environment construction key region. based on soil and water conservation project in wuxi county this article designs the landscape health assessment system and analyses health classes of degraded ecosystem by applying fuzzy ahp method, discloses degraded characteristics in aspect of land use patterns in wuxi county contrasted with bishan county, puts forward ecological restoration models combined with soil and water conservation harnessing, analyses and compares soil fertility quality in biological communities of different ecological restoration succession phases and restoration measures
本論文依託巫溪縣水土保持生態修復項目,運用模糊層次分析方法,進行退化生態系統的景觀健康評價體系設計與健康等級分析;通過對比研究巫溪縣與另一個生態修復試點縣? ?璧山縣的土地景觀空間格局分析,揭示巫溪縣土地利用格局上的退化特徵;提出與水土保持治理相結合起來的生態恢復模式;引用土壤肥力質量指數,對生態修復區不同生態恢復演替階段群落及不同時期坡改梯、休耕地與封山育林三項生態修復措施的土壤肥力質量分析與對比。Soil saturated capacity, capillary capacity, total porosity and capillary porosity showed the trend of the " u " during the successional course of artificial forest, namely, they reduced on the early successional stages, after picea reached mature forest, soil porosity recovered slowly. the content of natural water was mainly affected by capillary porosity. from soil chemical properties analysis, the content of soil organic, humus, ha, fa and ha / fa of topsoil was more than that of bottom layer
即人工雲杉幼林向成熟林演替階段,土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙則減少,在40年生雲杉林達最低值,之後隨著雲杉自疏,微生態改善,林地凋落物分解加快,土壤飽和持水量、毛管持水量及總孔隙和毛管孔有上升的趨勢,毛管持水量是決定林地自然含水量的主要因子。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。These are main problems of eutrophication. at first we select algae which grow under different level of nutrition ( or different development phase in the process of eutrophication ), domesticate, selecte seed, and culture algae at the lab, and then we obtain dependence of each algae on nutrition and understand information of eco - breadth of nutrition of supplied alga through pure culture under different concentration of nutrition. we find out resource utilization, competition between interspecies and confirm the quantity - effec t relationship between succession of species and nutrition through mixed culture
本文首先選取在不同營養環境下(或富營養化過程的不同發展階段)生長的藻類物種,在實驗室內進行馴化、選種與純化培養;然後通過不同營養水平的純藻培養實驗,獲取不同藻種生長過程對營養物質的依賴行為,從而可以了解每一供試藻種的營養物生態幅信息;再通過對應培養濃度的混合培養試驗,以期揭示生物種群間的資源利用與競爭行為,並可進一步確定生物種群的演替與環境營養物之間的量效關系。Hydrosere any plant community in a succession that starts in fresh water
水生演替系列:是起始於淡水中的植物群落演變更替。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。分享友人