Abstract
Several coarse-scale studies have demonstrated a positive correlation between biodiversity and human population density. In this paper this relationship is studied for part of the Andean highland, on a finer spatial scale than in earlier studies, and comparing bird distribution data with pre-Columbian as well as contemporary population centres. A particularly close correspondence was found between ancient population centres and high numbers of species with small distributions. This suggests that the growth of resident human cultures was related, in some way, to local factors which—over a much longer time-scale—stimulated the process of evolution of new species. This correspondence may be a consequence of climate moderation in the mountain areas leading to local persistence, of wild species as well as human communities. However, the result also suggests that we need to study to what extent high biodiversity as such, under certain conditions, yields environmental services which were important for people. It also suggests that traditional efforts to preserve biodiversity in wilderness areas with few people should be supplemented with efforts to promote a more sustainable development in the populated areas, allowing cloud forest and other biologically rich habitats to persist in suitable places near population centres.
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Acknowledgements
Data for this study have been developed over more than 10 years, through various grants from the Danish research councils for natural sciences and development research (see especially Fjeldså et al. 1999) and the EU-funded BioAndes project (ERBIC18CT980299). Sebastian Herzog helped with a recent update of the bird databases. For many inspiring discussions over the years special thanks go to Søren Hvalkof, Michael Kessler, Andy Millington and Inge Schjellerup.
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Fjeldså, J. The relationship between biodiversity and population centres: the high Andes region as an example. Biodivers Conserv 16, 2739–2751 (2007). https://doi.org/10.1007/s10531-007-9204-4
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DOI: https://doi.org/10.1007/s10531-007-9204-4