植被亞型 的英文怎麼說
中文拼音 [zhíbèiyǎxíng]
植被亞型
英文
vegetation subtype-
The develop - ment and succession of the vegetation were determined by the azonal factors, so it was difficult for the vegetation to develop to zonai vegetation dominated by subtropical evergreen broad - leave forest
非地帶性因素主導著植被發生和演替,很難達到上海以亞熱帶常綠闊葉林為主的地帶性植被類型。14 species are edible plants, 37 species are medicinal plants, 11 species are ornamental plants and31 species are feeding plants, the major types of halophytic vegetation in hebei province include ptenothalophyta such as tamarix chinensis brush and siberian brush, and littoral halophytic vegetation such as succulent vegetation, poion, chomophyte and etc. epidermal cell exosporium of tamarix chinensis blade is papillous and capillaceous ; stoma and salt - secreting gland are under the epidermis ; differentiation level of mesophyll tissue is rather high ; porder camber is obvious ; and mechanical tissue is developed
河北省鹽生植物的經濟價值較高,其中可食用的鹽生植物共計14種,可藥用的鹽生植物37種,可飼用的鹽生植物31種,具有觀賞價值的鹽生植物11種,可以作為纖維植物計約9種。河北省主要鹽生植被類型有檉柳灌叢、西伯利亞白刺灌叢等落葉灌叢和肉質型、禾草型、雜類草型鹽塵植被等濱海鹽生植被。The vegetation type was classified in the east transect by unsupervised classification using the data ( ikmx 1km ) from noaa meteorology satellite from 1995 - 1996, and the article analyzed the change of ndvi of all kinds of vegetation types, in the same time analyzed the forest dynamics in typical ecotone ( warm temperate zone to semitropical in qinling woods ) using the higher spatial resolution tm data
本論文利用1995 - 1996年noaa氣象衛星的ndvi ( 1km 1km )數據,採用無監督分類方法對中國東部樣帶南方部分進行植被類型的劃分,分析各植被類型的ndvi變化情況;並利用較高精度的tm數據分析典型交錯區域(暖溫帶到亞熱帶的秦嶺林區)的森林動態變化情況。The paper establishes a comprehensive evaluation model of meadow resources using the fuzzy mathematical method, and then applies the model to the dynamic evaluation of subalpine meadow in huapo, qinyuan county, shanxi
摘要應用多層次模糊綜合評價方法建立草地資源的綜合評價模型,對山西沁源縣華城鄉亞高山草甸植被利用進行動態評價。3. polyethylenimine ( pei ), a water - soluble cationic polyelectrolyte, has been extensively used as a deformable and mobile substrate for a biomembrane for it high transfection efficiency of chemical - based delivery systems. what ' s more, pei is good buffer in physiological environment ( ph < 9 )
3 、聚乙烯亞胺( pei )是一種陽離子型的聚合物,由於它在動植物細胞內優良的轉染效率,而被廣泛的應用,並且在生理環境下( ph 9 )它具有很強的緩沖能力。Based on the theory of retrieving lst through satellite remote - sensing and the characters of semi - tropical climate, topography, vegetation and the noaa / avhrr data in guangxi, the split - window algorithms for retrieving the lst from space, including the kerr algorithm, the becker & li algorithm, the qin algorithm, the franca & cracknell algorithm and some others, were analyzed and compared
根據利用衛星遙感資料反演lst的理論方法,結合廣西現有的衛星資料及亞熱帶氣候、地貌、植被等特點,對國內外的kerretal演算法、 becker & li演算法、 qinetal演算法和franca & cracknell演算法等10多種反演lst的分裂窗演算法及其相關的參數估算方法進行了適用性分析,得出採用輻射率模型中的beckerandli演算法計算廣西白天的lst比較適用。The wetland vegetation could be divided into four subvegetation types and 29 formations
濕地植被分為4個植被亞型和29個群系。A preliminary study on the species composition, ecological characteristics and present distribution of vegetations in mengyang area, the largest part of xishuangbanna nature reserve, shows that there are 7 vegetation types, 15 formations, 24 community types in this area. the vegetation map was made by using gis software ( arc / info ), and the area and distribution pattern of each community was obtained. the subtropical monsoon evergreen broad leaved forest occupies the largest part, with an area of 41. 26 % of the whole, and the tropical rain forest occupies less than 10 % of the whole area. according to the topography, altitude, climate characters and present distribution of the vegetation, and based on the landscape type map, an original vegetation map under natural conditions was obtained, which could provid a theory for the vegetation restoration, especially for the tropical rain forest and its habitat, and for the development of the nature reserve
對西雙版納勐養自然保護區植被的類型進行了劃分,包括人工和自然群落,共有7個大類、 15個群系、 24個群落類型分佈.對每個類型的主要組成種類、生態特徵和分佈現狀進行了初步研究.利用地理信息系統軟體制取植被圖並獲得了各種植被類型的分佈面積和分佈格局特徵,這一地區亞熱帶季風常綠闊葉林的分佈面積和所佔比例最大,達總面積的41 . 26 % ;而熱帶雨林面積不超過總面積的10 % .依據地形、海拔、氣候和現狀植被分佈的規律,在獲得景觀類型圖的基礎上,得到了可以反映這一地區在完全自然條件下植被可能分佈的狀況的還原植被圖,為保護區的發展和植被的恢復提供了理論依據。We selected two experimental sites - forest land and bare land to carry out the research. the research including : co2 concentration, temperature, air humidity and rainfall. we probed into the principle of carbon cycle in different elevation and the effect of vegetation to carbon cycle
故,本次試驗以典型的亞熱帶巖溶分佈區中的金佛山自然保護區為例,選取喬木林和裸地兩種巖溶生態系統類型作為研究對象,對co _ 2濃度、溫度、濕度、降雨量等進行觀測,探索在不同海拔高度上,其碳循環的機制及有無植被覆蓋對碳循環運行的影響。It was found that : ( 1 ) the vegetation type of xiaozhaizigou nature reservation are broad leaved forest and coniferous deciduous forest, subalpine coniferous forests ; ( 2 ) there are " fargesia rufa, f. denudata, f. nitida, bashania fangiana " in various vegetation type in xiaozhaizigou nature reserve, especially mixed coniferous and broad - leaved forests and subalpine coniferous forests ; ( 3 ) in xiaozhaizigou, the broad - leaved forest, mixed coniferous and broad - leaved forests, and subalpine coniferous forests were suitable habitat for pandas ; ( 4 ) with the ascension of altitude, the vegetation type alters naturally and takes on natural state
結果表明: ( 1 )小寨子溝大熊貓生境的植被類型有2種:闊葉林和針葉林; ( 2 )小寨子溝自然保護區內分佈有青川箭竹、缺苞箭竹、華西箭竹、冷箭竹等多種箭竹,這些作為大熊貓食料的箭竹廣布在各種植被類型中,尤其是針闊混交林和亞高山針葉林; ( 3 )大熊貓對生境的群落結構有較廣的適宜性,闊葉林、針闊混交林、亞高山針葉林均可作為它的適宜生境; ( 4 )小寨子溝自然保護區內的植被類型是隨海拔的升高而自然過渡的,呈現出受人類活動影響較小的自然狀態。On the other hand for four main vegetation typies, which are picea crassifolia, forests sabina przewalskii forests, bushes and pastureland, whose soil permeability function was analyzed from angle of its physics, capacity of water, storing water in it. the results show as follow : permeability function of soil is controlled by quality of soil hole. the quality and quantity of soil hole under picea crassifolia forests are the best, and the permeability also is the best
另外,從土壤物理性質、蓄水量、貯水量等角度對祁連山苔蘚雲杉林、祁連圓柏林、亞高山灌叢林、牧坡草地4種主要植被類型的土壤滲透功能進行分析,結果表明:土壤的滲透功能主要由土壤非毛管孔隙度的質和量決定的,苔蘚雲杉林土壤非毛管孔隙度的質和量最好,它的滲透也最好;雖然亞高山灌叢林的滲透功能次之,但由於它所處的位置和面積大,現實貯水量在祁連山四種主要植被類型中最大。分享友人