速生植被 的英文怎麼說
中文拼音 [sùshēngzhíbèi]
速生植被
英文
emergency revegetation- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 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;...
- 植 : Ⅰ動詞1. (栽種) plant; grow; cultivate 2. (樹立) establish; set up Ⅱ名詞(姓氏) a surname
- 被 : Ⅰ名詞1 (被子) quilt 2 (姓氏) a surname Ⅱ動詞[書面語]1 (復蓋) cover; spread 2 (遭受) suffe...
- 植被 : vegetation; vegetative cover植被層 vegetable layer; 植被帶 [植物學] zone of vegetation; 植被類型 vegetation form
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The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats
摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究,結果表明:不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢;油篙新梢的年生長動態呈s型曲線,檸條新梢春季生長速度較快, 7月份以後生長速度緩慢或基本停止生長;檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型, 4種配置方式下共有8種1年生植物人侵,並具有較高的植被蓋度;同其它3個樣地相比,純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。As a result it enhanced the water - retaining and fertility - retaining capacity, strengthened the anti - scour and anti - erosion ability. 3. sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ), p ( phosphorus ) and k ( potassium ) erosion, increase soil nutrition element content, it also increase soil water content and soil pondage, decrease soil water evaporation, strengthen the anti - drought ability
龍須草能改善紫色土荒坡地的小生境龍須草純種植被和林草立體種植植被能不同程度地增加土壤的有機質和速效n 、 p 、 k的含量;增加土壤含水量和貯水量,減緩和減少土壤的水分蒸發,增強土壤的抗旱能力;降低土壤盛夏的地表最高溫度,減少地表溫度變化幅度。In this paper, on the basic theories foundation study of summary people of the past, aiming directly at whether the shelter forest can deposit the sand and how powerful it can. we select the oasis in ulan buh desert as the study plot, and study the function of the shelter forest reduce the " sand " and " dust ". we draw the following conclusion. first, in the fixed and semifixed sand lands, which grow the natural sand - binding plants, the coverage of plant in the fixed and semifixed sand land is 26. 4 % and 10. 3 %, respectively, the amount of sand drift decrease 93. 38 % and 81. 91 % comparing with the migratory sand land which have no plant coverage in the same wind speed and the range of 0 - 40cm above the ground
本文以前人的研究為基礎針對「防護林體系是否有降解作用,有多大的降解作用」這一問題以烏蘭布和沙漠邊緣的防護林體系為研究對象,研究了防護林體系對「沙」 、 「塵」的降解作用,得出以下結論: ( 1 )在距離地表0 - 40cm范圍內,同一風速下生長有天然固沙植物,植被蓋度分別為26 . 4 、 10 . 3的固定、半固定沙地上,地表起沙量分別比無植被生長的流動沙地降低了93 . 38 、 81 . 91 。Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased
結果表明: ( 1 )從落葉松幼齡林到中齡林,隨著林冠的郁閉和林下植被蓋度的急劇下降,林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢,而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢;從中齡林到近熟林,由於撫育間伐,林分密度及郁閉度下降,林下植被蓋度逐步得到恢復,根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢;從近熟林到成熟林,隨著林齡的增大,根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢,而根際與非根際土壤全磷含量、土壤酸度(特別是交換性鋁)和容重呈增加趨勢。4 ) soil nutrient of leguminosae also higher than non - vegetation soil ; while organic matter and available k increased, there was no significant change in total n ( it increased slightly ) ; available p and soil ph decreased
4 )豆科植物較無植被覆蓋地,土壤養分朝著良性循環轉變。土壤有機質、速效鉀含量提高,全氮含量稍有增加,速效磷含量降低, ph值有所下降;這些變化主要發生在土壤表層。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。The field of taiyangmiao nuresry of trees and grass is an important ecology protecting area in inner monogolia. all of projects in the field, including the water and soil conservation trees, the windbreat of returning farmland to treeland and grassland, are playing a very important role in preventing and decreasing vegetation deterioration, land desertification and sandstorm weather
星月太陽廟林木種苗培育基地和農業種植基地是內蒙古重要的生態功能保護區,基地內的水土保持林、防風固沙林、速生豐產林、退耕還林還草等林草工程,對防止植被退化、土地沙化、減緩沙塵天氣的發生起到不可忽視的作用。If mechanical and biological sand barriers are established in such land, sand can be prevented from drifting effectively, so that with the stabilizing of sand much more plant species can settle down easily, and the plant species richness can increase dramatically
強烈的風沙活動是流動沙地植物定居的限制因子。採取機械沙障和生物沙障的植被恢復重建措施,可以迅速固定流沙,促進植物的定居,提高植物物種豐富度。The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation
本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象,採用傳統生態學的野外調查方法,從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境(土壤含水量、溫度)相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化,取得了如下研究結果: 1 、植被群落組成、多樣性及生活型:沙坡頭地區人工植被經過近50年的演變,從流動沙丘到固定沙地,沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,隨著固定沙地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周轉速率最大,即群落結構變化最大。Finally, the developing strategies of liaoning forestry in the 21st century were mapped out, namely, based upon advantages of forestry in eastern areas, upgrading the forestry development in central regions, moving ahead into western parts gradually, increasing the vegetation coverage by using moods of moving of forest climate, in the end the ecological situations of liaoning province would be changed thoroughly
通過戰略性分區及研究各區的林業發展、人口分布、森林覆蓋率之間的關系,探討了21世紀遼寧林業的可持續發展戰略。 21世紀遼寧林業發展的主導戰略是生態林業戰略:以遼東林業的優勢為基礎,加速提高中部林業,以梯度推進的方式向西部推進,用森林氣候推移的方式及植被恢復技術提高遼西植被度,徹底改變遼寧的生態狀況。We found that the summer climate of north in arid region becomes better, speed of wind in low level deducing, so does the climate south in arid region, which shows that the regional climate is affected by lulc variation sensitively and proved that the proper land use is of significance for mitigating the global warming and for ameliorating the deteriorated ecological environment
結果表明我國西北乾旱區近地面風速降低,氣候狀況有所改善,同時對我國南方的氣候狀況也有影響,揭示了氣候狀況依賴于地表植被變化的敏感性,也進一步證實了下墊面植被在調節氣候狀況方面的重要性以及合理的土地利用對于緩和全球變化的強度和尺度、減少風沙和乾旱等氣候災害、改善日益惡化的生態環境方面的重要意義。This will accelerate natural succession and will ultimately lead to greater numbers of trees and more complex habitats, this benefiting and supporting wildlife species and population numbers
這將可加速植被的自然演替,而最終可以有更多樹木生長和更復雜的生境形成。另外,亦預期這些生境可支持更多的野生生物品種及數量。Highway greening on different areas on the spot and drivers " opinions by questionnaires were investigated. the temperature and humidity ecological benefits of different vegetations were determined. on the basis of scientific analysis, this paper summarized the theory of ecological environment renewal and landscape reconstruction
本文通過對國內不同地區高速公路綠化的實地調查及對駕駛員的問卷調查,結合對高速公路不同植被溫、濕度的生態效益測定,在科學分析的基礎上總結了高速公路生態環境恢復與景觀再造的理論。2. the determination of temperature and humidity on beijing highway greenbelt was made. the results along with other ecological benefits show the gradation of greening patterns which can exert best ecological benefits : arbor with shrub and herbage > shrub with herbage > vine > herbage
根據對北京高速公路不同植被的溫、濕度的測定結果,結合其它生態效益的綜合作用表明:高速公路綠地能夠發揮最大生態效益的綠化模式順序是喬灌草灌草藤本草本。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。The community productivity, structure and succession are significantly influenced by global climate changes. this study focused on soil respiration rate of stipa baicalensis grassland by using dynamic infrared gas absorbed method. we analyzed diurnal pattern of soil respiration rate and the influences of surface soil temperature and water content for this parameter, then compared the differences between day and night soil respiration rates, and explored the correlations between aboveground and underground biomass with the soil respiration
溫帶的半乾旱、半濕潤區草甸草原屬于過渡氣候影響下形成的植被類型,對環境氣候條件變化十分敏感,為了揭示半乾旱、半濕潤區草甸草原生態系統土壤碳素釋放規律及其對主要環境因子的響應,本研究採用動態室紅外氣體吸收法測定松嫩草甸草原典型群落? ?貝加爾針茅群落土壤呼吸速率,分析了土壤呼吸速率日變化規律及表層土壤溫度和含水量對土壤呼吸速率日變化的影響,比較了土壤呼吸速率的晝夜差異,探討了地上生物量和地下生物量與土壤呼吸速率之間的相關關系。Applying restoration measures, such as introducing suitable native species, is perhaps necessary under some environment, especially where the natural ecosystem function was seriously damaged
在生態系統結構功能嚴重受損,威脅到區域生態安全時,通過引入物種進行主動的植被恢復可以有效地加速生態系統恢復進程,維護區域生態安全。Vegetation restoration also resulted in the changes of soil physical and chemical properties, i. e., the contents of organic matter, alkali - hydro nitrogen, rapidly - available potassium and the contents of fine sand, very fine sand and clay were increased significantly, while ph and the content of rapidly - available phosphorus were decreased
植被的恢復使土壤理化性質發生了變化,與恢復前相比土壤中有機質、堿解氮、速效鉀以及細砂、極細砂、粉砂、粘粒含量顯著增加, ph值和速效磷含量降低。Karst ecosystem is a kind of vulnerable ecosystem, its vulnerability including mainly : 1 environment capacity is small, vegetation is difficult to recover after having been destructed, hydrologic movement is rapid and floods and droughts often occur ; 2 vegetation growth depends on the conditions of eco - environment overly, which are affected by environment obviously ; 3the positive evolve of eco - environment relies on the recover of vegetation, 4the methods of water resource use and land use lack of rationality. these vulnerabilities are be magnified by climate changes
巖溶生態系統是一種脆弱的生態系統,它的脆弱性主要表現在:環境容量小,植被遭破壞后很長時間才能恢復,以及水文過程變化迅速,旱澇時常發生;植被生長過度依賴于生境條件,但生境條件受到環境影響明顯;生態環境的良性演化依賴植被的恢復;水資源利用與土地利用方式間缺乏合理性,如刀耕火種、過渡開墾造成生態環境中種子庫嚴重丟失,物種多樣性受到影響,植被演化趨于單一或種群退化。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。分享友人