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Title (Primary) Agriculture causes homogenization of plant-feeding nematode communities at the regional scale
Author Archidona-Yuste, A.; Wiegand, T.; Eisenhauer, N.; Cantalapiedra-Navarrete, C.; Palomares-Rius, J.E.; Castillo, P.;
Journal Journal of Applied Ecology
Year 2021
Department OESA; iDiv;
Language englisch;
Data links https://datadryad.org/stash/share/t3V9UE6cKZ3Fan9LRbyTx8JuLAT0x_xRH_6ewtCI3Rc
Supplements https://besjournals.onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1111%2F1365-2664.14025&file=jpe14025-sup-0001-Appendix.docx
https://besjournals.onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1111%2F1365-2664.14025&file=jpe14025-sup-0002-Supinfo.odt
Keywords highlight; biotic homogenization; land-use intensity; functional diversity; beta diversity; agriculture; soil conservation; soil nematodes; olive plantation
Abstract
  1. An emerging research line in conservation ecology addresses how environmental change drivers may cause the biotic homogenization of ecological communities by shifts in species diversity and community composition. While the drivers have been explored in unmanaged ecosystems and managed agricultural systems, this issue has received limited attention in regards to a key soil bioindicator organisms, soil nematodes.
  2. In this study, we evaluated the effect of land-use change and intensification on the diversity of plant-feeding nematodes (PFN) thought taxonomic and functional measures of alpha and beta diversity. We selected olive tree farms in southern Spain as the study system, given the wide distribution of wild forms in unmanaged systems and cultivated forms in agricultural systems, thus providing the opportunity to assess the effects of land use intensity.
  3. Notably, our study revealed that the conversion from natural to agricultural systems and even moderate increases in land-use intensity caused a significant biotic homogenization by enhancing the functional similarities of PFN communities. Our study emphasizes the key role of body size in structuring nematode communities in response to land-use type and intensity.
  4. Synthesis and applications. The importance of soil nematodes in soil processes is well known. We show that land use intensification reduces soil nematode diversity. Our study has important implications for the development of management strategies that foster soil biodiversity conservation such as no or minimal tillage and logging, vegetative covers and the maintenance of natural habitat.
ID 25103
Persistent UFZ Identifier https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=25103
Archidona-Yuste, A., Wiegand, T., Eisenhauer, N., Cantalapiedra-Navarrete, C., Palomares-Rius, J.E., Castillo, P. (2021):
Agriculture causes homogenization of plant-feeding nematode communities at the regional scale
J. Appl. Ecol.