城鎮(zhèn)化過程中生態(tài)系統(tǒng)服務(wù)價(jià)值變化及人類活動(dòng)影響的空間分異——以黃驊市為例
[Abstract]:This paper takes Huanghua City of Hebei Province as an example to analyze quantitatively the effect of urbanization on ecosystem service value from two aspects: quantity change and human activity intensity influence in view of land use change caused by spatial urbanization in the process of urbanization. Based on the profit and loss matrix of ecosystem service value, an evaluation model of urbanization on ecosystem service value is established to evaluate the impact of spatial urbanization on ecosystem service value. The human activity intensity index (HAI),) is introduced to analyze the spatial differentiation characteristics of regional ecosystem service value disturbed by human activities. The results showed that the value of ecosystem services was significantly affected by urban expansion. From the point of view of the benefit and loss of ecosystem service value, the loss of ecosystem service value caused by urbanization is great. The urban expansion decreased 76.56 million yuan from 1990 to 2011, accounting for 44.57% of the total loss of ecosystem service value. In space, the intensity of human activity in Huanghua is low, and the middle and high influence intensity is dominant. The high influence intensity is mainly concentrated in the distribution characteristics of the surrounding area and the eastern coastal area of Huanghua. From 1990 to 2011, the intensity of total human activities continued to increase, with an average increase of 21.43. The area where the intensity of activity changed greatly was also the region with rapid development of urbanization, and the increase of HAI could reach more than 50%.
【作者單位】: 中國科學(xué)院生態(tài)環(huán)境研究中心城市與區(qū)域生態(tài)國家重點(diǎn)實(shí)驗(yàn)室;中國科學(xué)院大學(xué);中國農(nóng)業(yè)大學(xué)資源與環(huán)境學(xué)院;中國科學(xué)院生態(tài)環(huán)境研究中心;
【基金】:城市與區(qū)域生態(tài)國家重點(diǎn)實(shí)驗(yàn)室自主項(xiàng)目(SKLURE2013-1-02) “十二五”國家科技支撐計(jì)劃課題(2013BAJ04B01)資助
【分類號(hào)】:F299.27;X24
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