The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Intensive agriculture erodes β‐diversity at large scales
Abstract
Biodiversity is declining from unprecedented land conversions that replace diverse, low‐intensity agriculture with vast expanses under homogeneous, intensive production. Despite documented losses of species richness, consequences for β‐diversity, changes in community composition between sites, are largely unknown, especially in the tropics. Using a 10‐year data set on Costa Rican birds, we find that low‐intensity agriculture sustained β‐diversity across large scales on a par with forest. In high‐intensity agriculture, low local (α) diversity inflated β‐diversity as a statistical artefact. Therefore, at small spatial scales, intensive agriculture appeared to retain β‐diversity. Unlike in forest or low‐intensity systems, however, high‐intensity agriculture also homogenised vegetation structure over large distances, thereby decoupling the fundamental ecological pattern of bird communities changing with geographical distance. This ~40% decline in species turnover indicates a significant decline in β‐diversity at large spatial scales. These findings point the way towards multi‐functional agricultural systems that maintain agricultural productivity while simultaneously conserving biodiversity.
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Has the Earth’s sixth mass extinction already arrived?
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“Otherwise, biotic homogenisation at large scales may accelerate species loss beyond even current dire predictions (Pereira et al. 2010; Barnosky et al. 2011).”
BackgroundHENDRICKX, F., MAELFAIT, J., VAN WINGERDEN, W., SCHWEIGER, O., SPEELMANS, M., AVIRON, S., AUGENSTEIN, I., BILLETER, R., BAILEY, D., BUKACEK, R., et al. (2007) · Journal of Applied Ecology · doi:10.1111/j.1365-2664.2006.01270.x · Cited by 633
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Metadata
- Authors
- Karp, D. S., Rominger, A. J., Zook, J., Ranganathan, J., Ehrlich, P. R., & Daily, G. C.
- Venue
- Ecology Letters
- Publisher
- Wiley
- Published
- 2012-06-21
- Volume
- 15
- Issue
- 9
- Pages
- 963-970
- ISSN
- 1461-023X (ISSN-L)
- 1461-0248
- OpenAlex
- W2109289609
- Cited by
- 361
- References
- 4
- FWCI
- 15.58
- Type
- journal article
- Language
- en
- Open access
- closed
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- Karp, D. S., Rominger, A. J., Zook, J., Ranganathan, J., Ehrlich, P. R., & Daily, G. C. (2012). Intensive agriculture erodes β‐diversity at large scales. Ecology Letters. https://doi.org/10.1111/j.1461-0248.2012.01815.x
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