Stöckli, Ariane; Slodowicz, Daniel; Arlettaz, Raphaël; Humbert, Jean-Yves (2021). Transfer of invertebrates with hay during restoration operations of extensively managed grasslands in Switzerland. Journal of insect conservation, 25(1), pp. 189-194. Springer Netherlands 10.1007/s10841-020-00282-8
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Introduction Hay transfer from a speciose donor meadow to a species-poor receiver grassland is an established method to restore species-rich grassland plant communities. However, it has rarely been investigated to which extent invertebrates can be transferred with hay during such operations, which was the aim of this study.
Methods Sampling was conducted in eight sites of the Swiss lowlands with one donor meadow and two receiver sites each. On the receiver sites, three to four white bed sheets of one square meter each were deployed on the ground to receive a standard quantity of fresh hay just transferred from the donor meadow. All living invertebrates were collected from these sheets with an aspirator and subsequently identified to order level.
Results On average (± SD), 9.2 ± 11.3 living invertebrates per square meter were transferred with the hay. Beetles were the most abundant species group, representing 46.9% of all transferred invertebrates, followed by true bugs (8.9%) and spiders (7.0%). More individuals were transferred when the donor meadow was mown with a hand motor bar mower than with a rotary disc mower. Similarly, more invertebrates were transferred when the hay was transported loosely with a forage wagon than compacted as bales.
Discussion While this study demonstrates that living invertebrates can be transferred with the hay, their subsequent survival and establishment remains to be explored.
Implications for insect conservation We recommend using a hand motor bar mower and a forage wagon for increasing the survival probability of invertebrates in hay transfer.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
08 Faculty of Science > Department of Biology > Institute of Ecology and Evolution (IEE) > Conservation Biology 08 Faculty of Science > Department of Biology > Institute of Ecology and Evolution (IEE) |
UniBE Contributor: |
Stöckli, Ariane Catherine, Slodowicz, Daniel Damian, Arlettaz, Raphaël, Humbert, Jean-Yves |
Subjects: |
500 Science > 570 Life sciences; biology 500 Science > 590 Animals (Zoology) |
ISSN: |
1366-638X |
Publisher: |
Springer Netherlands |
Language: |
English |
Submitter: |
Olivier Roth |
Date Deposited: |
07 Apr 2022 08:07 |
Last Modified: |
05 Dec 2022 16:18 |
Publisher DOI: |
10.1007/s10841-020-00282-8 |
PubMed ID: |
33642935 |
BORIS DOI: |
10.48350/168758 |
URI: |
https://boris.unibe.ch/id/eprint/168758 |
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