流水生態系統 的英文怎麼說
中文拼音 [liúshuǐshēngtàixìtǒng]
流水生態系統
英文
lotic ecosystem- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 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;...
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 流水 : 1 (流動的水) running water; stream2 (舊時指商店的銷貨額) turnover (in business)流水搬運作用...
- 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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Design and construction of recirculation pond fish culture system
循環流水型池塘養魚生態系統設計與構建Moreover, hedgerow ecosystems were effective in controlling water and soil loss in june and august. under simulated rainfall, hemercoallis citrina baroni and p. rotation flligg hedgerow ecosystems had a significant effect on reducing water and soil loss in their later stages of plant growth, and there was a significant positive correlation between the effect on reducing water and soil loss and the rain intensities. moreover, hedgerow ecosystems decreased more soil loss than runoff, and the initial time of runoff incidences could well represent the water and soil conservation effects of hedgerow ecosystems
Rotatumflligg )植物籬笆生態系統年徑流量、年侵蝕量分別減少10 . 14 11 . 56倍和135 . 34 165 . 84倍;植物籬笆生態系統和大豆單作處理的徑流量、侵蝕量、可產生侵蝕的降雨量之間呈極顯著正相關,建立了相應的降雨產流、降雨產沙、徑流侵蝕模型,通過侵蝕雨量可以了解水土流失的發生特徵; 6月和8月份(多短時暴雨)水土保持能力較明顯。Abstract : the restoration of the riparian vegetation disturbed by human activities is one of the hotspots of watershed ecology. through interpreting the images of remote sensing in 1985 and 1999, the basic information of forest resources of lushuihe forest bureau, which is a typical forest area of changbai mountain, was obtained with support of gis. by dividing land covers of lushuihe area into 10 types ( water body, residential land, stump land, farming land, wetland, mature conifer forest, midlife conifer forest, mature broadleaf forest, midlife broadleaf forest, and man - made young forest ) and dividing the riparian zone into four buffers ( in turn, 1000, 2000, 3000, 4000 m away from the river ), the changes of riparian forest resources during 1985 - 1999 were analyzed. the results showed that the deforestation intension has obviously decreased and the whole environment has been evidently improved, but the riparian ecosystem was still flimsy. in buffer 1, 2, 3, the area of midlife conifer forest increased largely, but the areas of other types of land covers all decreased. midlife conifer forest had a comparatively good status in the three buffers. in buffer 4, midlife conifer forest, mature conifer forest, and mature broadleaf forest formed a forest - age rank that is helpful to stabilize the forest ecosystem and exert its functions. area percentage of wetland decreased in buffer 1, buffer 2, and buffer 3, even in buffer 4 in which forest ecosystem rehabilitated comparatively well, so protecting and rehabilitating wetland is a very difficult task
文摘:本文對兩期遙感圖像進行解譯,並在gis支持下提取露水河林業局主要河流兩岸各緩沖區森林資源信息,經分析得到各類地物在1985年及1999年的變化趨勢.結果表明:在河流沿岸對森林的採伐強度1999年較1985年明顯減小,整體生態環境較1985年有所改善.在緩沖區1 , 2 , 3除中齡針葉林大幅度增加外,其它地物類型面積均減少,由此可以看出,在這三個緩沖區內針葉林得到了較好的恢復.在緩沖區4內,中齡針葉林、成熟針葉林、成熟闊葉林形成一個林齡梯隊,有利於森林生態系統的穩定與功能的發揮,十五年間緩沖區4受到的干擾相對較小.濕地數量在四個緩沖區內均有所減少,雖然在緩沖區4內森林生態系統恢復的較好,但濕地面積仍有所減少,說明保護及恢復濕地資源是一件非常艱巨的任務,必須引起高度重視.圖5表2參12The restoration of the riparian vegetation disturbed by human activities is one of the hotspots of watershed ecology. through interpreting the images of remote sensing in 1985 and 1999, the basic information of forest resources of lushuihe forest bureau, which is a typical forest area of changbai mountain, was obtained with support of gis. by dividing land covers of lushuihe area into 10 types ( water body, residential land, stump land, farming land, wetland, mature conifer forest, midlife conifer forest, mature broadleaf forest, midlife broadleaf forest, and man - made young forest ) and dividing the riparian zone into four buffers ( in turn, 1000, 2000, 3000, 4000 m away from the river ), the changes of riparian forest resources during 1985 - 1999 were analyzed. the results showed that the deforestation intension has obviously decreased and the whole environment has been evidently improved, but the riparian ecosystem was still flimsy. in buffer 1, 2, 3, the area of midlife conifer forest increased largely, but the areas of other types of land covers all decreased. midlife conifer forest had a comparatively good status in the three buffers. in buffer 4, midlife conifer forest, mature conifer forest, and mature broadleaf forest formed a forest - age rank that is helpful to stabilize the forest ecosystem and exert its functions. area percentage of wetland decreased in buffer 1, buffer 2, and buffer 3, even in buffer 4 in which forest ecosystem rehabilitated comparatively well, so protecting and rehabilitating wetland is a very difficult task
本文對兩期遙感圖像進行解譯,並在gis支持下提取露水河林業局主要河流兩岸各緩沖區森林資源信息,經分析得到各類地物在1985年及1999年的變化趨勢.結果表明:在河流沿岸對森林的採伐強度1999年較1985年明顯減小,整體生態環境較1985年有所改善.在緩沖區1 , 2 , 3除中齡針葉林大幅度增加外,其它地物類型面積均減少,由此可以看出,在這三個緩沖區內針葉林得到了較好的恢復.在緩沖區4內,中齡針葉林、成熟針葉林、成熟闊葉林形成一個林齡梯隊,有利於森林生態系統的穩定與功能的發揮,十五年間緩沖區4受到的干擾相對較小.濕地數量在四個緩沖區內均有所減少,雖然在緩沖區4內森林生態系統恢復的較好,但濕地面積仍有所減少,說明保護及恢復濕地資源是一件非常艱巨的任務,必須引起高度重視.圖5表2參12In the area of watershed between the yangtze river and the huaihe river, there are a series of ecological environmental issues, such as fragile forest ecosystem, frequent drought damage, lake of water resources, serious soil and water loss and contamination by chemical fertilizer, pesticide and plastic membrane
摘要分析了江淮分水嶺地區存在的森林生態系統脆弱,易旱多災,水資源短缺,土壤貧瘠,礦山開采過度,水土流水嚴重,化肥、農藥、農膜等農業化學品污染嚴重,農村生態環境退化等生態環境問題。More than 3 billion tonnes of eroded soils are annually sedimented into the region ' s seawaters, destroying river estuaries and the world ' s most precious and diversified coastal and reef based ecosystems
每年流失的土壤有30億噸以上沉降到該地區的海水中,日益嚴重地破壞江河入海口以及世界上最珍貴和多樣化的以海岸和礁石為基礎的生態系統。The practice of eco - agriculture has brought about striking improvements in the agricultural ecological environment - - barren hills greened, forest acreage greatly raised, soil erosion controlled to some extent, organic matter content of the soil increased, and the ability of the agricultural ecological system to ward off natural disasters improved
生態農業建設使農業生態環境得到明顯改善,荒山荒坡得到綠化,森林覆蓋率大幅度提高,水土流失有所控制,土壤有機質含量提高,農業生態系統抗災能力有所增強。In light of the problems of aggravated soil erosion and litho - desertification of the karst regions in northwest guangxi as a result of degradation of forest ecosystems, six " grain - for - green " models ( five models of artificial afforestation or grass planting, and one model of desertation for natural vegetation restoration ) were screened out for quick restoration of vegetations in the regions and evaluated for their respective ecological effect
摘要針對桂西北喀斯特地區森林生態系統退化造成的水土流失加劇以及石漠化嚴重的現狀,篩選適合該地區植被快速恢復的5種人工造林(草)方式和自然拋荒恢復模式,分析評價各種模式的生態效應。As the link of the artificial environment and the natural environment, the urban waterfront which is the main element of the composition of the city makes up the unique landscape of the region, moreover it is the city life carrier
城市濱水區是城市生態系統的有機組成部分。作為城市人工環境與自然環境的結合點,它在構成獨特區域景觀的同時,又是城市生活的載體。黃土高原地質地貌環境復雜,溝壑縱橫,水土流失現象嚴重。In this paper, according to the characters of river ecosystem, the concept of ecohydrological regime is proposed, and the multi - parameter system of the ecological water requirements ( minimum and appropriated ecological water demand, ecological water requirement in flood season ) are established, which are regarded as flow requirement for river health
本文首先從河流生態系統特性入手,提出生態水文季節,構建了多參數生態需水(最小生態需水、適宜生態需水、洪水期生態需水)體系並分析其內涵,組成了能反映河流生態系統健康的流量等級。In terms of desertification prevention, water - soil erosion treatment, innovation of medium and lower - yield fields, the restoration and reconstruction of degenerate ecologic system, environmental pollution control, mariculture and marine medicine, they provide a batch of practical technology and mode
在沙漠化防治、水土流失治理、中低產田改造、退化生態系統恢復與重建、環境污染控制等方面、海水養殖和海洋藥物等方面,提供了一批實用的技術和模式。The system considers synthetically the influence of estuarine ecosystem on the whole basin and human life from aspects of influence on pacts of the environment, biology and human of ecosystem respectively, and adopts the indices of catchment area, population density, inflow amount, period of river flow cut - off, water quality, biodiversity index number and biomass to evaluate the state of estuarine ecosystem
指標體系綜合考慮河口生態系統對全流域及入類生活的影響,分別從生態系統的環境部分、生物部分以及對人類的影響等3方面,採用集水面積、人口密度、入海量、河口斷流時間、水質、生物多樣性指數和生物量等7項指標對河口生態系統狀況進行評價。It also includes an important sample of varzea ecosystems, igapo forests, lakes and channels which take the form of a constantly evolving aquatic mosaic that is home to the largest array of electric fish in the world
保護區內不僅有平坦耕地生態系統、洪泛森林生態系統,還有無數湖泊和河流,這些水域以不同的形式相互演變,為世界上最大的發電魚類種群提供了棲息地。Anthropological impacts are not only causing a loss in biodiversity, but are also disrupting the ecological functions of the freshwater ecosystems
人為影響不僅導致生物多樣性流失,更干擾淡水生態系統的生態功能。Some social, economic and ecological problems had been occurred since the station was put into operation
為此,將河流生態系統功能與水電站對河流生態系統的影響相結合,研究電站對河流生態系統服務功能的影響。At present there are more reports on soil erosion by experts from home and abroad, but most of these reports were about simulation and research based on a single factor. there are little reports on soil erosion on entire watershed, adopted comprehensive research measures according to the principle of ecological system, especially on soil erosion from the intensive farming system on slope lands, watersheds exploited for agroforestry industry, as well as appraisal reports on soil fertility index
目前國內外學者有關水土流失的報道很多,但大多數以單一因素和模擬試驗研究較多,而從生態系統角度出發,採用綜合方法,在小流域尺度上研究水土流失規律較少;對小流域坡耕地綜合農業措施水土保持效應和小流域綜合開發利用過程中水土流失規律研究以及侵蝕土壤肥力評價的研究則更少。The combination of obtained research achievement and extension effect in the ecological construction of soil and water conservation, sufficient exertion of ecological restoration ability, vegetation rehabilitation and ecosystem improvement widely and rapidly are the most effective approach to resolve the great problems on the slow steps of the prevention and cure of soil and water loss in china radically, which conform to the times
結合水土保持生態環境建設已取得的研究成果與推廣效應,充分發揮生態的修復能力,大面積迅速恢復植被和改善生態系統,正是順應時代要求,從根本上解決我國水土流失防治步伐緩慢這一重大問題的最為有效的途徑。Microorganisms play significant role in the energy flow and nutriments recycle in aquatic ecosystem
微生物在水生態系統中,對大多數營養元素、有機物質的轉換和能量的流動起著至關重要的作用。This paper descripts the present situation of the ecological environment in fushun city, including the high forest coverage, the unreasonable ecological structure, the influenced ecological function, the mine developing destroyed the deterioration ofecological balance seriously, the deterioration of ecological environment of mining area ; the coverage rate of nature reserve is relatively high1 but bio - diversity is still threatened seriously ; agriculture ' s ecological problem is severe ; soil erosion is serious ; the arrangement in the finished area is disorderly, the green land system is scarce of inconnective
摘要撫順市生態環境現狀: (森林覆蓋率較高,但生態系統結構不合理,生態功能的發揮受到影響;礦產開發嚴重破壞生態平衡,礦區生態環境惡劣,歷史欠帳大;自然保護區植被覆蓋率較高,但生物多樣性仍遭受嚴重威脅;農業生態問題嚴峻;水土流失嚴重;建成區布局紊亂,綠地系統缺乏連通性。 )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