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The restoration of phytophagous beetles in species-rich chalk grassland.

Woodcock, Ben A.; Edwards, Andrew R.; Lawson, Clare S.; Westbury, Duncan B.; Brook, Alex J.; Harris, Stephanie J.; Masters, Greg; Booth, Roger; Brown, Valerie K. and Mortimer, Simon R. (2010). The restoration of phytophagous beetles in species-rich chalk grassland. Restoration Ecology, 18(5) pp. 638–644.

DOI (Digital Object Identifier) Link: https://doi.org/10.1111/j.1526-100X.2008.00472.x
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Abstract

This study focuses on the restoration of chalk grasslands over a 6-year period and tests the efficacy of two management practices, hay spreading and soil disturbance, in promoting this process for phytophagous beetles. Restoration success for the beetles, measured as similarity to target species–rich chalk grassland, was not found to be influenced by either management practice. In contrast, restoration success for the plants did increase in response to hay spreading management. Although the presence of suitable host plants was considered to dictate the earliest point at which phytophagous beetles could successfully colonized, few beetle species colonized as soon as their host plants became established. Morphological characteristics and feeding habits of 27 phytophagous beetle species were therefore tested to identify factors that limited their colonization and persistence. The lag time between host plant establishment and colonization was greatest for flightless beetles. Beetles with foliage-feeding larvae both colonized at slower rates than seed-, stem-, or root-feeding species and persisted within the swards for shorter periods. Although the use of hay spreading may benefit plant communities during chalk grassland restoration, it did not directly benefit phytophagous beetles. Without techniques for overcoming colonization limitation for invertebrate taxa, short-term success of restoration may be limited to the plants only.

Item Type: Journal Item
Copyright Holders: 2008 Society for Ecological Restoration International
ISSN: 1526-100X
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetBD1414Defra
Not SetBD1441Defra
Keywords: calcareous grassland; coleoptera; colonization; hay spreading; hay strewing; persistence; soil disturbance
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Environment, Earth and Ecosystem Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 41591
Depositing User: Clare Lawson
Date Deposited: 06 Jan 2015 14:16
Last Modified: 07 Dec 2018 10:27
URI: http://oro.open.ac.uk/id/eprint/41591
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