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Relationship of insect biomass and richness with land use along a climate gradient

Title data

Uhler, Johannes ; Redlich, Sarah ; Zhang, Jie ; Hothorn, Torsten ; Tobisch, Cynthia ; Ewald, Jörg ; Thorn, Simon ; Seibold, Sebastian ; Mitesser, Oliver ; Morinière, Jérôme ; Bozicevic, Vedran ; Benjamin, Caryl S. ; Englmeier, Jana ; Fricke, Ute ; Ganuza, Cristina ; Hänsel, Vera Maria ; Riebl, Rebekka ; Rojas-Botero, Sandra ; Rummler, Thomas ; Uphus, Lars ; Schmidt, Stefan ; Steffan-Dewenter, Ingolf ; Müller, Jörg:
Relationship of insect biomass and richness with land use along a climate gradient.
In: Nature Communications. (12 October 2021) . - No. 5946.
ISSN 2041-1723
DOI: https://doi.org/10.1038/s41467-021-26181-3

Abstract in another language

Recently reported insect declines have raised both political and social concern. Although the declines have been attributed to land use and climate change, supporting evidence suffers from low taxonomic resolution, short time series, a focus on local scales, and the collinearity of the identified drivers. In this study, we conducted a systematic assessment of insect populations in southern Germany, which showed that differences in insect biomass and richness are highly context dependent. We found the largest difference in biomass between semi-natural and urban environments (−42%), whereas differences in total richness (−29%) and the richness of threatened species (−56%) were largest from semi-natural to agricultural environments. These results point to urbanization and agriculture as major drivers of decline. We also found that richness and biomass increase monotonously with increasing temperature, independent of habitat. The contrasting patterns of insect biomass and richness question the use of these indicators as mutual surrogates. Our study provides support for the implementation of more comprehensive measures aimed at habitat restoration in order to halt insect declines.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professor Ecological Services > Professor Ecological Services - Univ.-Prof. Dr. Thomas Köllner
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 550 Earth sciences, geology
Date Deposited: 15 Oct 2021 05:56
Last Modified: 15 Oct 2021 05:56
URI: https://eref.uni-bayreuth.de/id/eprint/67336