本文選題：城市生態(tài)　切入點(diǎn)：景觀　出處：《福建師范大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：城市生態(tài)廊道作為城市景觀綠地系統(tǒng)的一部分,現(xiàn)今已成為景觀生態(tài)學(xué)研究的一個(gè)重要領(lǐng)域,構(gòu)建良好的城市生態(tài)廊道不僅能維持城市生態(tài)系統(tǒng)的穩(wěn)定,還能為市民提供良好的綠化游憩場(chǎng)所。本文首先從生態(tài)廊道的研究背景出發(fā),闡述了城市環(huán)境問(wèn)題逐步惡化急需整治；其次,簡(jiǎn)述了生態(tài)廊道的原理、功能和分類等基本概念,為本文研究提供了理論依據(jù)；進(jìn)而通過(guò)宏觀結(jié)合中觀尺度分析的方法對(duì)福州市中心城區(qū)的城市生態(tài)廊道景觀結(jié)構(gòu)進(jìn)行了一定研究。本文研究從宏觀角度出發(fā),利用地理信息軟件對(duì)福州市中心城區(qū)進(jìn)行景觀結(jié)構(gòu)分析,通過(guò)城市生態(tài)廊道的長(zhǎng)度、面積、密度和建成率的計(jì)算,結(jié)果表明了福州市生態(tài)廊道建設(shè)存在的問(wèn)題和不足。再由中觀尺度對(duì)城區(qū)生態(tài)廊道的實(shí)地建設(shè)情況進(jìn)行考察,發(fā)現(xiàn)道路型和河流型生態(tài)廊道普遍寬度不足,難以形成內(nèi)部生境；綠地斑塊破碎化明顯,道路廊道與其連通性較差；景觀植被配置不合理,包括如何分配喬灌草本、立體空間結(jié)構(gòu)差等問(wèn)題。根據(jù)福州市規(guī)劃局相關(guān)文件及實(shí)地考察,同時(shí)結(jié)合福州氣候風(fēng)向特點(diǎn),規(guī)劃福州城市生態(tài)廊道網(wǎng)絡(luò)系統(tǒng),提出“一屏三帶、兩環(huán)七廊,多點(diǎn)多道”的具體優(yōu)化構(gòu)建方案(以北面山體為屏障,兩江沿岸為城市生態(tài)廊道軸心骨,二環(huán)和三環(huán)路為框架,利用城市道路和內(nèi)河河道將各破碎綠地斑塊串聯(lián),形成城市生態(tài)廊道網(wǎng)絡(luò)系統(tǒng)),并根據(jù)區(qū)域用地狀況及功能需求提出具體優(yōu)化方案。最后通過(guò)生態(tài)廊道的合理走向布局,將外界自然風(fēng)通過(guò)綠色廊道引入城區(qū),利用道路型生態(tài)廊道和河流型生態(tài)廊道結(jié)合植被配置,實(shí)現(xiàn)城市小氣候的良好循環(huán),為構(gòu)建福州城市風(fēng)道提供理論依據(jù)。力爭(zhēng)達(dá)到減輕城市熱島效應(yīng)、吹散污染物、凈化城市空氣的生態(tài)作用。
[Abstract]:As a part of urban landscape green space system, urban ecological corridor has become an important field of landscape ecology research. Constructing a good urban ecological corridor can not only maintain the stability of urban ecological system. This paper, based on the research background of ecological corridor, expounds that the deterioration of urban environmental problems is in urgent need of remediation; secondly, the basic concepts of ecological corridor, such as principle, function and classification, are briefly described. This paper provides a theoretical basis for the study, and then studies the urban ecological corridor landscape structure in the central urban area of Fuzhou through the method of macroscopical and mesoscale analysis. Based on the analysis of landscape structure in central urban area of Fuzhou by using geographic information software, the length, area, density and completion rate of urban ecological corridor are calculated. The results show that there are some problems and shortcomings in ecological corridor construction in Fuzhou City. After investigating the actual construction of ecological corridor in urban area at meso scale, it is found that the width of ecological corridor of road type and river type is insufficient, and it is difficult to form internal habitat. The patch fragmentation of green space is obvious, the road corridor and its connectivity are poor, the allocation of landscape vegetation is unreasonable, including how to allocate the tree and shrub grass, the spatial structure is poor, and so on. According to the relevant documents of Fuzhou Planning Bureau and field investigation, At the same time, according to the characteristics of Fuzhou climate and wind direction, the network system of Fuzhou city ecological corridor is planned, and the concrete optimized construction scheme of "one screen and three belts, two rings and seven corridors, many points and many paths" is put forward (taking the northern mountain body as the barrier). The river along the river is the axis of urban ecological corridor, the second ring and the third ring road are used as the frame, and the broken green patches are connected in series by the city road and river channel. The urban ecological corridor network system is formed, and the concrete optimization scheme is put forward according to the regional land use condition and the function demand. Finally, through the rational layout of the ecological corridor, the natural wind is introduced into the urban area through the green corridor. Using the combination of road ecological corridor and river ecological corridor to realize the good circulation of urban microclimate, to provide the theoretical basis for the construction of Fuzhou urban wind tunnel, to reduce the urban heat island effect and to blow away pollutants. The ecological function of purifying urban air.
【學(xué)位授予單位】：福建師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TU985.2;TU984.1

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本文編號(hào)：1585111