A fragmented world: mapping the global extent of Anthropogenic Landscape Fragmentation

Gustavo Romanillos, Guido Robazza and Filippo Lovato

Journal of Maps, 2024, vol. 20, issue 1, 2307539

Abstract: Land consumption is a major environmental problem. In relation to it, over the past decades different studies have raised awareness of the importance of a less visible but equally damaging process: growing ‘Anthropogenic Landscape Fragmentation’. The objective of this study is to offer a global portrait of this phenomenon through a map. Following a methodology developed in previous studies, this research builds on the calculation of a widely used index for measuring Anthropogenic Landscape Fragmentation, the effective mesh size (meff). This index considers existing human settlements, as well as global railway and road networks. The maps illustrate the heterogeneity in the distribution of Anthropogenic Landscape Fragmentation worldwide. In addition, the study calculates average fragmentation values at the national level and explores the correlation of these values with other variables such as population density or the Human Development Index, revealing a positive trend but with a weak correlation.

Date: 2024
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DOI: 10.1080/17445647.2024.2307539

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