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Taking landscape pattern fractal model and Landsat TM/ETM images in 1995 and 2000 as the basic data,the spatialtemporal database of land use in Chongqing City was established; and using fractal model of landscape pattern,fractal dimension and stability index of landscape pattern,landscape diversity index,landscape apartness index,landscape fragmentation index,landscape evenness index and landscape dominance index were obtained.

采用1995和2000年Landsat TM/ETM影像為基礎數(shù)據(jù)日韩激情无码一级毛片多人,提取并建立土地利用空間數(shù)據(jù)庫一区二区三区国产看片在线观看,應用景觀空間格局分形模型,獲取景觀類型的分形維數(shù)和穩(wěn)定性指數(shù)以及景觀多樣性指數(shù)aa专区、分離度指數(shù)那个网站能看A片、破碎度指數(shù)、均勻度指數(shù)和優(yōu)勢度等指標在线观看国产爆草视频免费。

Landscape pattern analysis based on landscape metrics is a basic content of the research on landscape ecology. More and more researches proved that not only scale effects and the precision of remote sensed data had significant influence on landscape metrics, but also the difference of land use classification would make the change of landscape metrics. However, we still have not found out how land use classification affects landscape metrics and associated influence mechanism.

基于景觀格局指數(shù)的空間格局分析是當前景觀生態(tài)學研究的重要基礎內(nèi)容一级片网站在线,不僅數(shù)據(jù)源準確度、尺度效應顯著影響景觀格局指數(shù)成人蕾丝电影在线播放视频免费,土地利用類型劃分也對景觀格局指數(shù)具有顯著影響日韩侵犯精品视频在线观看网站下载,但我們對這種影響的總體理解尚很缺乏。

Based on the understanding and interpretation of terms like landscape, landscape planning, ecological planning, and landscape ecological planning, this paper made a deep analysis on aspects of landscape planning in Netherlands, which is the pioneer of landscape ecological planning, from the perspectives of management system of landscape planning, landscape perception of Netherlander, features of types of landscape, landscape assessment, and landscape system.

荷蘭是世界景觀生態(tài)規(guī)劃的先行者和領導者真实普通话对白嫖妓视频,本文在對景觀、景觀規(guī)劃欧美一级电影片、生態(tài)規(guī)劃欧美性爱插插插、景觀生態(tài)規(guī)劃幾個詞進行辨析的基礎上,首先介紹了荷蘭的自然地理環(huán)境久久人人超国产三级,進而對荷蘭的景觀現(xiàn)狀jizzjizzzz中国、景觀規(guī)劃管理體系、荷蘭人的景觀感知欧美精品午夜在线视频、各種景觀的特點精品一区论坛、景觀價值的評估以及景觀系統(tǒng)進行分析,以此來解讀荷蘭景觀生態(tài)規(guī)劃的種種特點黄色美女视频裸视频网站。

Since 1994, Shang Yang adopted more striking visual patterns in his paintings to reveal the crisis in the post-modern world and its squeezing of human mind, for instance, the profile of volcanoes (see 94 Great Landscape-I, 94 Great Landscape-II, 94 Great Landscape-III, Great Landscape of Diagnosis-I, Great Landscape of Diagnosis-III, Great Landscape of Diagnosis-IV), pathologic roentgenoscopy film of human bodies (see Great Landscape of Diagnosis-V) and lungs in medical mobiles.

為了以更觸目的視覺樣式呈現(xiàn)后現(xiàn)代世界的危機和它對人心的擠壓亚洲图欧美日韩小说在线,尚揚的大風景在1994年后成了火山內(nèi)部剖面中的景觀(見《94大風景-1》《94大風景-2》《94大風景-3》《大風景診斷-1》《大風景診斷-3》《大風景診斷-4》),成了由人體的病理透視膠片組構的內(nèi)部影像(見《大風景診斷-5》),成了以醫(yī)療教學掛圖式的肺部風景99级A片。

The main study areas are as follows: 1 The landscape classification system of the urban-rural ecotone is set up based on the studying on land-use type of urban area and rural area, and then it is used to establish a regional landscape data warehouse for deposition, modification and management; 2 A group of landscape structure and pattern indices and patch area spectrum analysis methods are used to describe the structural and heterogeneous characters of all the landscape elements from different aspects; 3 The temporal and spatial difference of the landscape pattern of main road belts of the research area are also analyzed with the same method. Their basic process and regularity of urban axial expanding of the southwestward of Shanghai City are initially knewn well; 4 According to the traits of the ecotone, the principles and basis of vegetation classification, the ecotone vegetation classification system is set up, its species constitute, community patch characters, the relationship between vegetation types and landscape categories are analyzed, meanwhile, the vegetation sample maps are made; 5 Based on above studies, some landscape ecological stratedies within the research area were discussed. The following are the results of this study

城鄉(xiāng)交錯帶地區(qū)的景觀分類网站自拍偷拍,在對城市地區(qū)和農(nóng)村地區(qū)的土地利用類型研究的基礎上建立了城鄉(xiāng)交錯帶的分類體系,并在此基礎上用ARC\INFO軟件分時段在线观看国产mm免费视频、分區(qū)欧美爱性真人在线视、分要素建立研究區(qū)的景觀圖形數(shù)據(jù)庫,對數(shù)據(jù)進行存儲乱人伦中文视频在线香蕉、修改和管理色WWW永久免费;2)利用多種景觀結構、格局指數(shù)和斑塊面積譜分析方法免费作爱视频免费观看,從不同的側面對各種景觀組分的結構以及區(qū)域的景觀格局特征進行了分析欧美一级日本,并對其成因進行了探討;3)利用相同的分析方法美女18黄色,分析了城鄉(xiāng)交錯帶中的城市干道兩側的景觀格局特征的空間和時間分異情況人人着人人摸人人操,初步掌握上海城市西南軸向擴張的基本過程和規(guī)律;4)對城鄉(xiāng)交錯帶中非獨立的景觀要素-植被国产精品九,研究其遙感圖象信息的基本特征国产免费观看下载AV大片的网站,建立適合區(qū)域特點的植被分類體系,并在樣區(qū)中建立了植被圖形數(shù)據(jù)庫和計算機制圖男人网站天堂,分析了植被景觀種類組成求一个免费在线观看的黄色网站、斑塊等級等特征以及與不同景觀的相互關系;5)在上述研究的基礎上日韩视频在线国产,對研究區(qū)內(nèi)的景觀生態(tài)對策進行了研究尤物视频入口。

Beijing is provided with typical urban landscape, forest land is the maximal and basal landscape patch type (area proportion 42.534%), glebe field (28.754%),spinney land and urban (26.912%) and town residential landuse (10.344%) are main landscape patch categories in Beijing. From landscape, landscape patch types and landscape patch categories levels, landscape patch distributing centralize, and patch shape is simple, main landscape patch fractal dimension indexes are under 1.1, so urban landscape pattern is high influenced by human disturbance.2. From 1985 to 2007, Beijing landscape pattern variational characteristics are as follows:(1) During 1985-2007, patch types and categories change is little, but area and patch number of patch types and categories change distinctly. Town residential landuse area increased 7.66% of Beijing total area, farmland and forest land area decrease in the mass. The total patch number increased at first then decreased. taking one with another, the total number is decreasing, and patch number of farmland and forest land are most distinct.

本研究的主要研究結果如下:1、北京市具有典型的城市景觀特征性欧美日本,林地用地的面積占市域面積的42.534%人人妻人人添人人爽欧美一区91,為基質(zhì)景觀斑塊類型,旱田(28.754%)免费黄色欧美、灌木林(26.912%)国产精品H在线播放第一页、城鎮(zhèn)用地(10.344%)是北京市主要景觀斑塊種類;從景觀久久是出精品、景觀斑塊類型以及景觀斑塊三個層次的研究均表現(xiàn)出北京市各景觀斑塊類型及景觀斑塊集中分布的現(xiàn)象十分突出人人射人人操人人骑人人插,斑塊形狀簡單,主要景觀斑塊種類的景觀分維度指數(shù)值均不足1.191人妻久久久精品99系列,表明城市景觀格局受到了較大的人為影響无码免费A片久久。2、北京市1985-2007年間城市景觀格局的主要變化特征表現(xiàn)為以下幾個方面:(1)在研究時段內(nèi)激情文学综合区图片区小说区,北京市景觀斑塊種類變化不大亚州美日韩一区二区三区,景觀組分面積和斑塊數(shù)變化明顯www.aiai.com,其中最為顯著的是北京市城鎮(zhèn)建設用地面積呈單純的增加趨勢,增加幅度為北京市總面積的7.66%欧美一级A片又大又爽,農(nóng)業(yè)用地與林地的面積雖呈波動變化但總體呈減少趨勢来个能看的黄网;景觀斑塊數(shù)量先增后降,總體呈下降趨勢桃花在线观看国产电影,其中耕地與林地斑塊數(shù)的變化最為明顯国产成人精品一区二三区。

According to landscape ecology, in accordance with the theory of urban planning, ecology and landscape, and based on qualitative and quantitative analysis, the paper firstly analyses landscape ecological construction indicators about green space such as landscape composition, landscape diversity index, landscape dominance index, landscape evenness index, landscape fragmentized degree, landscape corridor density, and public green plot area etc., and start the research of landscape ecological construction of green space system in Zhengzhou.

本文從景觀生態(tài)學出發(fā),結合城市規(guī)劃99色精品视频、生態(tài)學又粗又黄又硬又爽的免费视频,、園林學等學科理論,采用定性分析與定量分析相結合方法精品视频一区二区在线导航,初次分析了鄭州市綠地景觀構成日本网页在线观看、綠地景觀多樣性指數(shù)、綠地景觀優(yōu)勢度指數(shù)欧美性爱做、綠地景觀均勻度指數(shù)啪啪啪日本黄色网、綠地景觀破碎度、綠地景觀廊道密度及公共綠地斑塊面積等景觀生態(tài)建設指標亚洲黄色一级a片,開啟了鄭州市綠地景觀生態(tài)建設方面的研究工作日韩系列在线精品视频观看网站大全。

Comparing the landscape types of 1995 with that of 2005, we find out that:①the natural arbors are decreasing, with patches more fragmentation, size more odds, shapes more complex;②the area of natural shrubberies is increasing, with patches less fragmentation, shapes more simple and formulary ,the size of patches more even;③the area of natural grasses is increasing, with patches less fragmentation, shapes of patches more odds;④the area of timbers is increasing, with patches more dominance in landscape, more connectivity;⑤the area of Eucalyptus increases, with patches less fragmentation, shapes of patches more complex , more convergence, more connectivity;⑥the area of orchards is increasing, more connectivity;⑦the patches of the rubber is becoming more assemble, more connectivity, more formulary;⑧the area of plowland increases;⑨t(yī)he area of reservoirs, rivers and ponds increases, with patches more assemble;⑩the area of cities decreases, with patches more dispersing, with shape more complexthe area of countries increases, with patches less connectivity, more dispersing, with shape more complex; the patches of the rest lands are more dispersing, with shape more complex;(3)In the process of economic development in the upper reaches of the Changhuajiang river watershed, a series of the ecological environment problems have appeared because a lot of landscape function broke off, and the connection of human landscape with natural landscape decreased, which aroused by the fragmentation of natural and semi-nature landscapes increased, the stability of the landscape structure decreased, as well as stress of human disturbance, resource and environment upon the landscape increased gradually.

3昌化江上游流域在經(jīng)濟發(fā)展進程中,自然與半自然景觀破碎度增加国产国产精品偷在线观看,自然景觀結構穩(wěn)定性下降国产区精品系列一区二区,人為干擾、資源和環(huán)境對景觀脅迫逐漸增大Aa一级片公司室,中斷了許多生態(tài)過程国产精品俺来也在线观看了,導致城市等人文景觀與自然景觀連接度很差,產(chǎn)生了一系列的生態(tài)環(huán)境問題色欲天天影院视频。

Result shown: value of fractal dimension is a comprehensive index, which reflect the changes of landscape, patch areas, patch numbers, area per patch, and their interaction. And the index can reflect the irregular degree and the complex degree of landscape patch in dumping place. The fractal dimension of mixed vegetation of arbors – shrubs and mixed vegetation of shrubs maintain the high level, while fractal dimension of new reclamation land and grass land are low. The difference of other type landscape fractal dimension is not significant. Vegetation landscape is influenced by many kinds of factors. It is primarily influenced by surface material composition and terrain in south and west dumping place, which diversity index is high. It is primarily influenced by vegetation type in inner dumping place and expanded west dumping place. The landscape multiplicity index of the mixed vegetation of grass and shrubs is higher than other landscape type, but landscape dominance index of this area maintains on the lower level.

結果表明:分維數(shù)的大小反映了景觀斑塊面積国产亚洲精品国产91、斑塊數(shù)量和平均斑塊面積等因素的相互作用,反映了排土場內(nèi)景觀斑塊的不規(guī)則程度和復雜程度欧美操逼视频网站免费看;喬灌混交地和灌木混交地保持著較高的分維數(shù)黄色毛片1级网站2000,新造復墾地和草地的分維數(shù)較低,其它景觀類型的分維數(shù)則差別不大国内外激情在线视频频;植被景觀受多種因子的影響,在南排土場亚洲综合色图小说、西排土場受地表物質(zhì)組成和地形的影響為主欧洲性网站,其多樣性指數(shù)較高,在內(nèi)排土場性欧美XXXX18HD视频、西排擴大區(qū)受植被類型的影響為主1000部国产怕怕怕精品;草灌混交地的景觀多樣性遠高于其它現(xiàn)有的復墾植被區(qū)午夜5060国产一级A片,但其景觀優(yōu)勢度則保持在較低水平上。

On the landscape level, the regional landscape heterogeneity is increased and the connectivity reduced, which presents the increase of Shannon's diversity index and Evenness Index, decrease of dominance index and increase of fragmentation index. On the class level, it shows that human disturbance on landscape is intense during the past five years, anti the disturbance to artificial landscape mote intense luau that on semi-natural landscape, which means that the fragmentation index of semi-natural landscape is relatively smaller while that of the artificial landscape is larger.

從景觀水平上看五月天色色综合网,區(qū)域景觀異質(zhì)性在增大色在线综合,景觀斑塊的連通性降低,表現(xiàn)為多樣性指數(shù)和均勻度指數(shù)呈增加玩弄少妇视频在线播放,優(yōu)勢度指數(shù)減腥妒悠低九访廊蘸;從類型水平上看7160无码视频在线观看,5年間人類對景觀的干預程度較大日韩欧精品无码视频无删节,對人工景觀的干擾強于半自然景觀,體現(xiàn)在半自然景觀類型的分離度較小人人干人人操人人,而人工景觀類型的分離度較大字幕网国产在线观看。

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