本文選題：城市綠化　切入點(diǎn)：生態(tài)服務(wù)功能　出處：《生態(tài)環(huán)境學(xué)報(bào)》2017年04期

【摘要】：城市綠地是城市生態(tài)系統(tǒng)重要的組成部分,具有重要的生態(tài)服務(wù)功能,為了客觀科學(xué)地評(píng)價(jià)城市綠地的綠化效果和生態(tài)服務(wù)均等化水平,以天津市濱海新區(qū)漢沽區(qū)河西區(qū)塊為例,采用生態(tài)綠量測(cè)度城市綠化的生態(tài)服務(wù)量,以GIS作為城市綠化生態(tài)服務(wù)量的分析工具,并結(jié)合距離衰減模型及源疊加模型,計(jì)算不同斑塊所承接到的不同綠化源的生態(tài)綠量;構(gòu)建可視化系統(tǒng),展現(xiàn)各斑塊生態(tài)綠量的空間分布情況。結(jié)果顯示,從整體水平看,研究區(qū)生態(tài)綠化建設(shè)效果良好,大部分斑塊達(dá)到了生態(tài)綠量的基準(zhǔn)線51.848,只有西南角部分斑塊沒(méi)有達(dá)標(biāo)。從分布情況來(lái)看,研究區(qū)生態(tài)綠量分布并不均勻,表現(xiàn)為同一緯度上東部比西部生態(tài)綠量的接收量高,且呈現(xiàn)由東到西逐步遞減的趨勢(shì);而同一經(jīng)度上北部比南部生態(tài)綠量的接收量高,呈現(xiàn)由北到南逐步遞減的趨勢(shì)。其中,研究區(qū)東北區(qū)塊與西南區(qū)塊的接收量差距最大,斑塊接收的生態(tài)綠量最大值為161,最小值僅為46,均等化水平較低。應(yīng)用文中的研究方法可以精準(zhǔn)找出城市綠化生態(tài)服務(wù)較為薄弱的斑塊,對(duì)城市綠地系統(tǒng)規(guī)劃具有一定的參考價(jià)值。
[Abstract]:Urban green space is an important part of urban ecosystem and has important ecological service function. In order to evaluate the greening effect of urban green space and the level of equalization of ecological services objectively and scientifically, Taking Hangu block of Hangu District, Binhai New District, Tianjin as an example, ecological green quantity is used to measure the ecological service quantity of urban greening, GIS is used as the analysis tool of urban greening ecological service quantity, and the distance attenuation model and source superposition model are combined. The ecological green quantity of different patches was calculated, and the visualization system was constructed to show the spatial distribution of the ecological green amount of different patches. The results showed that the ecological greening construction effect of the study area was good from the overall level. Most of the patches reached the baseline of 51.848, and only some patches in the southwest corner did not reach the standard. From the distribution, the distribution of ecological green in the study area was not uniform, showing that the eastern part of the study area received more ecological green than the western one at the same latitude. In the same longitude, the ecological green quantity in the north is higher than that in the south, and the trend is decreasing gradually from north to south. Among them, the gap between the northeast block and the southwest block in the study area is the biggest. The maximum value of ecological green quantity is 161, the minimum value is only 46, and the level of equalization is low. It has certain reference value to the planning of urban green space system.
【作者單位】： 天津工業(yè)大學(xué)環(huán)境經(jīng)濟(jì)研究所;河北環(huán)境工程學(xué)院;
【基金】：天津市哲學(xué)社會(huì)科學(xué)規(guī)劃課題(TJLJ15-008) 天津市科技支撐重點(diǎn)項(xiàng)目(09ZCGYSF02200)
【分類號(hào)】：P208;X826

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本文編號(hào)：1690450