Monitoring global land-use efficiency in the context of the UN 2030 Agenda for Sustainable Development
Monitoring global land-use efficiency in the context of the UN 2030 Agenda for Sustainable Development
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DOI：
10.1016/j.habitatint.2021.102403
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发表时间：
2021-07-24
影响因子：
6.8
通讯作者：
Murayama, Yuji
中科院分区：
文献类型：
--
作者：
Estoque, Ronald C.;Ooba, Makoto;Murayama, Yuji
跟踪可持续发展目标（SDG）的进展需要在空间和时间上监测各种社会生态指标，包括土地消耗率与人口增长率之比（LCRPGR），这是一个土地利用效率指标（SDG 11.3.1）。在这项研究中，我们分析了最先进的地球观测数据（1975-2015），以解决三个关键问题。首先，LCRPGR在空间和时间上是如何变化的？第二，建筑扩张与各地区人口增长有何关系？第三，与可持续发展目标的土地利用效率概念相关的一些重要问题是什么？我们发现，“欧洲和北方美洲”SDG地区是效率最低的地区，在1975-2000年和2000-2015年的LCRPGR最高，但“东亚和东南亚”SDG地区正在迎头赶上。世界银行的“高收入”地区和联合国的“人类发展水平极高”地区在1975-2000年是效率最低的地区，但在2000-2015年，它们的位置分别被“中上收入”和“人类发展水平高”地区取代。虽然土地消耗率和人口增长率在全球一级呈显著正相关，但各区域的情况并非总是如此，这表明土地消耗并不总是与人口增长成比例。我们认为，不包括原地自然资本的变化以及城市和城市地区的外部影响是可持续发展目标土地利用效率概念的重要局限性之一。这一点可以在未来的重新概念化中加以考虑。
Tracking progress toward the Sustainable Development Goals (SDGs) requires monitoring of various socialecological indicators over space and time, including the ratio of land consumption rate to population growth rate (LCRPGR), an indicator of land-use efficiency (SDG 11.3.1). In this study, we analyzed state-of-the-art Earth observation data (1975-2015) to address three key questions. First, how has the LCRPGR varied over space and time? Second, how is built-up expansion related to population increase across regions? Third, what are some important issues related to the SDGs' land-use efficiency concept? We found that the "Europe and Northern America" SDG region was the least efficient region, having the highest LCRPGR in 1975-2000 and 2000-2015, but the "Eastern and South-Eastern Asia" SDG region is catching up. The World Bank's "high income" region and the United Nations' "very high human development" region were the least efficient regions in 1975-2000, but their places were respectively taken over by the "upper middle income" and "high human development" regions in 2000-2015. Although land consumption rate and population growth rate were positively and significantly correlated at the global level, this was not always the case across regions, indicating that land consumption was not always proportionate to population increase. We identified the non-inclusion of changes in in situ natural capital and the external impacts of cities and urban regions as among the important limitations of the SDGs' landuse efficiency concept. This can be considered in its future reconceptualization.