Pollinator monitoring more than pays for itself

Breeze, Tom D.; Bailey, Alison P.; Balcombe, Kelvin G.; Brereton, Tom; Comont, Richard; Edwards, Mike; Garratt, Michael P.; Harvey, Martin; Hawes, Cathy; Isaac, Nick ORCID: https://orcid.org/0000-0002-4869-8052; Jitlal, Mark; Jones, Catherine M.; Kunin, William E.; Lee, Paul; Morris, Roger K.A.; Musgrove, Andy; O'Connor, Rory S.; Peyton, Jodey ORCID: https://orcid.org/0000-0002-8313-6194; Potts, Simon G.; Roberts, Stuart P.M.; Roy, David B. ORCID: https://orcid.org/0000-0002-5147-0331; Roy, Helen E. ORCID: https://orcid.org/0000-0001-6050-679X; Tang, Cuong Q.; Vanbergen, Adam J.; Carvell, Claire ORCID: https://orcid.org/0000-0002-6784-3593. 2021 Pollinator monitoring more than pays for itself. Journal of Applied Ecology, 58 (1). 44-57. 10.1111/1365-2664.13755

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Abstract/Summary

1. Resilient pollination services depend on sufficient abundance of pollinating insects over time. Currently, however, most knowledge about the status and trends of pollinators is based on changes in pollinator species richness and distribution only. 2. Systematic, long‐term monitoring of pollinators is urgently needed to provide baseline information on their status, to identify the drivers of declines and to inform suitable response measures. 3. Power analysis was used to determine the number of sites required to detect a 30% change in pollinator populations over 10 years. We then evaluated the full economic costs of implementing four national monitoring schemes in the UK: (a) professional pollinator monitoring, (b) professional pollination service monitoring, (c) volunteer collected pan traps and (d) volunteer focal floral observations. These costs were compared to (a) the costs of implementing separate, expert‐designed research and monitoring networks and (b) the economic benefits of pollination services threatened by pollinator loss. 4. Estimated scheme costs ranged from £6,159/year for a 75‐site volunteer focal flower observation scheme to £2.7 M/year for an 800‐site professional pollination service monitoring network. The estimated research costs saved using the site network as research infrastructure range from £1.46–4.17 M/year. The economic value of UK crop yield lost following a 30% decline in pollinators was estimated at ~£188 M/year. 5. Synthesis and applications: We evaluated the full costs of running pollinator monitoring schemes against the economic benefits to research and society they provide. The annual costs of monitoring are <0.02% of the economic value of pollination services that would be lost after a 30% decline in pollination services. Furthermore, by providing high‐quality scientific data, monitoring schemes would save at least £1.5 on data collection per £1 spent. Our findings demonstrate that long‐term systematic monitoring can be a cost‐effective tool for both answering key research questions and setting action points for policymakers. Careful consideration must be given to scheme design, the logistics of national‐scale implementation and resulting data quality when selecting the most appropriate combination of surveyors, methods and site networks to deliver a successful scheme.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1111/1365-2664.13755
UKCEH and CEH Sections/Science Areas:	Biodiversity (Science Area 2017-)
ISSN:	0021-8901
Additional Information. Not used in RCUK Gateway to Research.:	Open Access paper - full text available via Official URL link.
Additional Keywords:	biodiversity monitoring, biodiversity policy, cost–benefit analysis, ecological economics, pollination services, pollinators, power analysis, science policy
NORA Subject Terms:	Ecology and Environment
Date made live:	01 Dec 2020 16:47 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/529060

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