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A Conceptual Model of Grassland-Based Beef Systems
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Author(s): Guillaume Martin (INRA, UMR 1248 AGIR, F-31326 Castanet Tolosan, France), Roger Martin-Clouaire (INRA, UR 875 UBIA, F-31326 Castanet Tolosan, France), Jean-Pierre Rellier (INRA, UR 875 UBIA, F-31326 Castanet Tolosan, France)and Michel Duru (INRA, UMR 1248 AGIR, F-31326 Castanet Tolosan, France)
Copyright: 2012
Pages: 20
Source title:
New Technologies for Constructing Complex Agricultural and Environmental Systems
Source Author(s)/Editor(s): Petraq Papajorgji (Universiteti Europian i Tiranes, Albania)and François Pinet (Irstea/Cemagref - Clermont Ferrand, France)
DOI: 10.4018/978-1-4666-0333-2.ch006
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Abstract
Fulfilling the production objectives of a grassland-based beef system requires a robust management strategy to secure the best practicable use of forage resources with regard to the cattle demand. To address the challenging issue of designing such strategies, this article describes the application of an ontology of agricultural production systems to the generic conceptual model SEDIVER, which supports the representation and dynamic farm-scale simulation of specific grassland-based beef systems. The most salient and novel aspects of SEDIVER concern the explicit modeling of (a) the diversity in plant, grassland, animal and farmland, and (b) management strategies that deal with the planning and coordination of activities whereby the farmer controls the biophysical processes. By using the SEDIVER conceptual framework, part of the subjective and context-specific knowledge used in farm management can be captured and, in this way, enable scientific investigation of management practices.
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