道路网络对景观生态风险的影响——以“中国-中南半岛经济走廊”为例
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摘要
以"中国-中南半岛经济走廊"为研究区,在地理信息系统的支持下,通过分析道路网络和景观生态风险的空间分布特征,探究道路网络对景观生态风险的影响。结果表明:道路网络对景观格局的影响与景观类型关系密切,其中不透水层受道路网络的影响最显著;景观生态风险呈现出明显的空间异质性,中国和泰国部分的景观生态风险相对较高;道路网络和景观生态风险存在一定的相关性,随着道路网络密度和等级的增加,景观生态风险呈现上升趋势。因此,针对不同区域和景观类型应制定相应的道路建设和规划策略。
Taking "China and Indochina Peninsula economic corridor" as a case, with the support of GIS technology, this study analyzed the spatial pattern of road network and its impacts on landscape ecological risk. The results are showed as follows. 1) The effects of road network on landscape pattern were related to the landscape types, among which the impervious surface was affected the most. 2) There were obvious spatial differences in landscape ecological risk throughout the whole study area, and the risks in China and Thailand were relatively higher than those in the other countries. 3) There was a certain correlation between road network and landscape ecological risk. As the density and level of road increased, landscape ecological risk presented an upward trend accordingly. The above results suggest that the corresponding road construction and planning strategies should be developed for different regions and landscape types.
Taking "China and Indochina Peninsula economic corridor" as a case, with the support of GIS technology, this study analyzed the spatial pattern of road network and its impacts on landscape ecological risk. The results are showed as follows. 1) The effects of road network on landscape pattern were related to the landscape types, among which the impervious surface was affected the most. 2) There were obvious spatial differences in landscape ecological risk throughout the whole study area, and the risks in China and Thailand were relatively higher than those in the other countries. 3) There was a certain correlation between road network and landscape ecological risk. As the density and level of road increased, landscape ecological risk presented an upward trend accordingly. The above results suggest that the corresponding road construction and planning strategies should be developed for different regions and landscape types.
引文
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[20] Xie H L,Wang P,Huang H S.Ecological risk assessment of land use change in the Poyang Lake Eco-economic Zone,China[J].International Journal of Environmental Research & Public Health,2013,10(1):328-346.
[21] 刘世梁,刘琦,张兆苓,等.云南省红河流域景观生态风险及驱动力分析[J].生态学报,2014,34(13):3 728-3 734.
[22] 郜红娟,张朝琼.2000—2020年贵州省景观生态风险评估[J].四川农业大学学报,2015,33(2):144-152.
[23] 谢花林.基于景观结构的土地利用生态风险空间特征分析:以江西兴国县为例[J].中国环境科学,2011;31(4):688-695.
[2] 宗跃光,周尚意,彭萍,等.道路生态学研究进展[J].生态学报,2003,23(11):2 396-2 405.
[3] 高峻,宋永昌.上海西南城市干道两侧地带景观动态研究[J].应用生态学报,2001,12(4):605-609.
[4] Liu S L,Cui B S,Dong S K,et al.Evaluating the influence of road networks on landscape and regional ecological risk:a case study in Lancang River Valley of Southwest China[J].Ecological Engineering,2008,34(2):91-99.
[5] 李月辉,吴志丰,陈宏伟,等.大兴安岭林区道路网络对景观格局的影响[J].应用生态学报,2012,23(8):2 087-2 092.
[6] Xie Y C,Gong J,Sun P,et al.Impacts of major vehicular roads on urban landscape and urban growth in an arid region:a case study of Jiuquan City in Gansu Province,China[J].Journal of Arid Environments,2016,127:235-244.
[7] Liu S L,Deng L,Chen L D,et al.Forest fragmentation and landscape connectivity change associated with road network extension and city expansion:a case study in the Lancang River Valley[J].Ecological Indicators,2014,36:160-168.
[8] Karlson M,Mortberg U.A spatial ecological assessment of fragmentation and disturbance effects of the Swedish road network[J].Landscape and Urban Planning,2015,134:53-65.
[9] Cai X J,Wu Z F,Cheng J.Using kernel density estimation to assess the spatial pattern of road density and its impact on landscape fragmentation[J].International Journal of Geographical Information Science,2013,27(2):222-230.
[10] 刘世梁,张兆苓,赵清贺,等.道路对景观格局和土壤侵蚀的影响:以云南省凤庆县为例[J].土壤通报,2011,55(1):169-173.
[11] Li X H,Li J Y.Analysis on regional landscape ecological risk based on GIS-a case study along the Lower Reaches of the Weihe River[J].Arid Zone Research,2008,25(6):899-903.
[12] Mo W B,Wang Y,Zhang Y X,et al.Impacts of road network expansion on landscape ecological risk in a megacity,China:a case study of Beijing[J].Science of the Total Environment,2017,574:1 000-1 011.
[13] 张兆苓,刘世梁,赵清贺,等.道路网络对景观生态风险的影响:以云南省红河流域为例[J].生态学杂志,2010,29(11):2 223-2 228.
[14] 范科红,李阳兵,邵景安.道路生态风险评价方法:以渝宜高速重庆段为例[J].重庆师范大学学报(自然科学版),2013,30(3):28-34.
[15] 高菲.《全球生态环境遥感监测》2015年度报告发布[J].卫星应用,2016 (8):32-37.
[16] 刘锐,胡伟平,王红亮,等.基于核密度估计的广佛都市区路网演变分析[J].地理科学,2011,31(1):81-86.
[17] 蔡雪娇,吴志峰,程炯.基于核密度估算的路网格局与景观破碎化分析[J].生态学杂志,2012;31(1):158-164.
[18] Liu Y L,Wang H M,Jiao L M,et al.Road centrality and landscape spatial patterns in Wuhan Metropolitan Area,China[J].Chinese Geographical Science,2015;25(4):511-522.
[19] Shi H,Yang Z P,Han F,et al.Assessing landscape ecological risk for a world natural heritage site:a case study of Bayanbulak in China[J].Polish Journal of Environmental Studies,2015,24(1):269-283.
[20] Xie H L,Wang P,Huang H S.Ecological risk assessment of land use change in the Poyang Lake Eco-economic Zone,China[J].International Journal of Environmental Research & Public Health,2013,10(1):328-346.
[21] 刘世梁,刘琦,张兆苓,等.云南省红河流域景观生态风险及驱动力分析[J].生态学报,2014,34(13):3 728-3 734.
[22] 郜红娟,张朝琼.2000—2020年贵州省景观生态风险评估[J].四川农业大学学报,2015,33(2):144-152.
[23] 谢花林.基于景观结构的土地利用生态风险空间特征分析:以江西兴国县为例[J].中国环境科学,2011;31(4):688-695.