Modelling farmer decision-making to anticipate tradeoffs between provisioning ecosystem services and biodiversity

EE Guillem, D Murray-Rust, DT Robinson, AP Barnes, MDA Rounsevell

Research output: Contribution to journalArticleResearchpeer-review

24 Citations (Scopus)

Abstract

In this paper, an agent-based model of heterogeneous farmer decision-making was coupled with an individual-based model of skylark breeding populations, and applied to a small intensive arable catchment in Scotland. The impacts of farmer decisions on a tradeoff between food and bioenergy production, and skylark numbers, were simulated under the assumptions of three socio-economic scenarios until the year 2050. Bioenergy and food production had a significant negative effect on adult and fledgling skylarks. In a business-as-usual context, the production of food and bioenergy increases smoothly, and the number of skylarks is more stable over time than in other scenarios. Food production was higher in an economic liberalisation scenario, due to intensive management and higher yield performance. This explained the low average number of skylarks found at the landscape level in this scenario. The number of skylarks was highest in a sustainability-oriented scenario, but a sharp decrease was observed from 2035 onwards due to the large area planted with bioenergy crops. The different values for economic, environmental and social attributes of farmer decisions played an important role in the land use mosaic, the implementation of ecologically-related actions and on the provision of ecosystem services and biodiversity. Overall, results suggest that a re-assessment of policy targets and design is necessary tomaximise environmental management efficiency at the catchment level by taking into account the heterogeneity in farmer objectives and the tradeoffs in ecosystem services provision. The novel approach of coupling an ABM with an IBM is encouraged in further land use related studies. © 2015 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)12 - 23
Number of pages12
JournalAgricultural Systems
Volume137
DOIs
Publication statusPrint publication - 2015

Fingerprint

bioenergy
ecosystem service
decision making
biodiversity
food production
modeling
land use
food
service provision
breeding population
liberalization
economics
sustainability
catchment
crop
decision

Bibliographical note

1023375

Keywords

  • Agent-based model
  • Bioenergy crops
  • Farmer behaviour
  • Food production
  • Land use change
  • Skylark

Cite this

Guillem, EE ; Murray-Rust, D ; Robinson, DT ; Barnes, AP ; Rounsevell, MDA. / Modelling farmer decision-making to anticipate tradeoffs between provisioning ecosystem services and biodiversity. In: Agricultural Systems. 2015 ; Vol. 137. pp. 12 - 23.
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Modelling farmer decision-making to anticipate tradeoffs between provisioning ecosystem services and biodiversity. / Guillem, EE; Murray-Rust, D; Robinson, DT; Barnes, AP; Rounsevell, MDA.

In: Agricultural Systems, Vol. 137, 2015, p. 12 - 23.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Modelling farmer decision-making to anticipate tradeoffs between provisioning ecosystem services and biodiversity

AU - Guillem, EE

AU - Murray-Rust, D

AU - Robinson, DT

AU - Barnes, AP

AU - Rounsevell, MDA

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AB - In this paper, an agent-based model of heterogeneous farmer decision-making was coupled with an individual-based model of skylark breeding populations, and applied to a small intensive arable catchment in Scotland. The impacts of farmer decisions on a tradeoff between food and bioenergy production, and skylark numbers, were simulated under the assumptions of three socio-economic scenarios until the year 2050. Bioenergy and food production had a significant negative effect on adult and fledgling skylarks. In a business-as-usual context, the production of food and bioenergy increases smoothly, and the number of skylarks is more stable over time than in other scenarios. Food production was higher in an economic liberalisation scenario, due to intensive management and higher yield performance. This explained the low average number of skylarks found at the landscape level in this scenario. The number of skylarks was highest in a sustainability-oriented scenario, but a sharp decrease was observed from 2035 onwards due to the large area planted with bioenergy crops. The different values for economic, environmental and social attributes of farmer decisions played an important role in the land use mosaic, the implementation of ecologically-related actions and on the provision of ecosystem services and biodiversity. Overall, results suggest that a re-assessment of policy targets and design is necessary tomaximise environmental management efficiency at the catchment level by taking into account the heterogeneity in farmer objectives and the tradeoffs in ecosystem services provision. The novel approach of coupling an ABM with an IBM is encouraged in further land use related studies. © 2015 Elsevier Ltd. All rights reserved.

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KW - Land use change

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