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平原和山區(qū)縣域聚落空間演變對(duì)比分析——以河南省延津縣和寶豐縣為例

發(fā)布時(shí)間:2019-05-17 20:56
【摘要】:以發(fā)展水平大致相當(dāng)?shù)钠皆h(延津縣)和山區(qū)縣(寶豐縣)為例,基于1972、1990、2013年聚落斑塊數(shù)據(jù),運(yùn)用景觀格局指數(shù)、統(tǒng)計(jì)分析等方法對(duì)兩縣聚落空間演變進(jìn)行對(duì)比分析表明:1兩縣聚落均呈集聚分布,平原縣聚落逐漸趨向隨機(jī)分布,而山區(qū)縣集聚趨勢(shì)逐漸增強(qiáng)。2景觀指數(shù)顯示兩縣聚落斑塊面積占比變動(dòng)相似,而平均斑塊面積平原縣明顯大于山區(qū)縣,且增長(zhǎng)程度較大;平原縣聚落斑塊數(shù)量、密度均持續(xù)減小,而山區(qū)縣持續(xù)變大;平原縣最大斑塊指數(shù)增加明顯,而山區(qū)縣有所下降;聚落鄰近程度均在增強(qiáng),但山區(qū)縣表現(xiàn)更突出;1990年代前聚落擴(kuò)展明顯快于1990年代后,這一差異在山區(qū)縣更為明顯。3平原縣中間位序聚落較多,聚落規(guī)模分布趨于集中,各等級(jí)規(guī)模聚落擴(kuò)展差異較小;而山區(qū)縣聚落規(guī)模分布趨于分散,中等規(guī)模聚落相對(duì)較少。4兩縣聚落擴(kuò)展均快于人口增長(zhǎng),但1990年代后山區(qū)縣兩者趨于一致;經(jīng)濟(jì)發(fā)展不能很好地解釋兩縣聚落擴(kuò)展的差異;地形直接造成兩縣聚落分布模式和景觀指數(shù)的不同;交通對(duì)平原縣聚落的影響較山區(qū)更為顯著;鄉(xiāng)鎮(zhèn)點(diǎn)對(duì)山區(qū)縣聚落的影響更為復(fù)雜,其輻射帶動(dòng)作用均有待進(jìn)一步加強(qiáng)。
[Abstract]:Taking Pingyuan County (Yanjin County) and Mountain County (Baofeng County) with the same level of development as examples, based on the data of settlement patches in 1972, 1990 and 2013, the landscape pattern index was used. The spatial evolution of settlements in the two counties is compared and analyzed by statistical analysis and other methods. The results show that: (1) the settlements in the two counties are concentrated and distributed, and the settlements in Pingyuan County tend to be randomly distributed. However, the agglomeration trend of mountain counties increased gradually. 2 the landscape index showed that the proportion of settlement patch area in the two counties was similar, while the average patch area in Pingyuan County was significantly larger than that in mountainous counties, and the degree of increase was greater. The number and density of settlement patches in Pingyuan County continued to decrease, while the mountain counties continued to increase, the maximum patch index in Pingyuan County increased obviously, while the mountain counties decreased, and the neighborhood degree of settlements was increased, but the mountain counties were more prominent. The expansion of settlement before 1990s is obviously faster than that after 1990s, and this difference is more obvious in mountainous counties. (3) there are more intermediate order settlements in plain counties, the distribution of settlement scale tends to be concentrated, and the difference of settlement expansion in each grade is small; However, the scale distribution of settlement in mountainous counties tends to be scattered, and the settlement in medium scale is relatively small. (4) the expansion of settlements in the two counties is faster than that in population growth, but after the 1990s, the two counties tend to be consistent, and the economic development can not explain the difference of settlement expansion between the two counties. The terrain directly causes the difference of settlement distribution pattern and landscape index between the two counties; the influence of traffic on the settlement in Pingyuan County is more significant than that in the mountain area; the influence of the township point on the settlement in the mountain county is more complex, and its radiation driving effect needs to be further strengthened.
【作者單位】: 河南大學(xué)環(huán)境與規(guī)劃學(xué)院;河南財(cái)經(jīng)政法大學(xué)中原經(jīng)濟(jì)區(qū)三化協(xié)調(diào)發(fā)展河南省協(xié)同創(chuàng)新中心;河南大學(xué)黃河文明與可持續(xù)發(fā)展研究中心;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(41471117) 教育部人文社科重點(diǎn)研究基地重大項(xiàng)目(16JJD770021) 河南省軟科學(xué)重大項(xiàng)目(152400410098)
【分類號(hào)】:K901.8

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