Optimizing intermediate ecosystem services in agriculture using rules based on landscape composition and configuration indices
Authored by Rong-Gang Cong, Johan Ekroos, Henrik G Smith, Mark V Brady
Date Published: 2016
DOI: 10.1016/j.ecolecon.2016.05.006
Sponsors:
Swedish Research Council for Sustainable Development (FORMAS)
Platforms:
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Model Documentation:
Other Narrative
Mathematical description
Model Code URLs:
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Abstract
Important intermediate ecosystem services (ES) such as crop pollination
and biological control of pests, which underpin the final ES
agricultural yields, are mediated by mobile organisms that depend on
availability of habitat and its arrangement in the landscape. It has
been suggested that landscape-scale management (LSM) of habitat in a
multi-farm setting results in higher provisioning of such ES compared to
farm-scale management (FSM). However, to achieve the LSM solution, farmers' land-use decisions need to be coordinated. To this end, we
develop rules based on novel landscape composition and configuration
indices. We model farmers' interdependencies through ES in an
agent-based model (ABM) and optimize land use at both the farm and
landscape scales for comparison. Our analysis is based on a simple
artificial landscape with homogeneous soil quality and uses crop
pollination as an illustrative ecosystem service. We consider habitat
configuration at the field scale. Our rules demonstrate that the
coordinated solution is characterized by a higher degree of habitat
availability and a configuration of habitat that is dispersed rather
than agglomerated. We tested these rules over a range of assumptions
about ecological parameter values and suggest that such rules could be
used to improve governance of ES in agricultural landscapes. (C) 2016
Elsevier B.V. All rights reserved.
Tags
Management
habitat
Biodiversity conservation
Food security
Conservation reserve program
Agri-environmental programs
Land-use
intensity
Pollination services
Ecological
intensification
Biological-control