A computational modeling for real ecosystems based on P systems |
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| Authors: | M��nica Cardona M. Angels Colomer Antoni Margalida Antoni Palau Ignacio P��rez-Hurtado Mario J. P��rez-Jim��nez Delf�� Sanuy |
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| Affiliation: | (1) Department of Mathematics, University of Lleida, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain;(2) Bearded Vulture Study & Protection Group, Adpo. 43, 25520 El Pont de Suert (Lleida), Spain;(3) Direcci?n de Medio Ambiente y Desarrollo Sostenible, Endesa, Spain;(4) Research Group on Natural Computing, Department of Computer Science and Artificial Intelligence, University of Sevilla, Avda. Reina Mercedes s/n, 41012 Sevilla, Spain;(5) Department of Animal Production, University of Lleida, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain |
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| Abstract: | In this paper, a P systems based general framework for modeling ecosystems dynamics is presented. Particularly, ecosystems are specified by means of multienvironment P systems composed of a finite number of environments, each of them having an extended P system with active membranes. The semantics is of a probabilistic type and it is implemented by assigning each rule of the system a probabilistic constant which depends on the environment and the run time. As a case study, two real ecosystems are described: scavenger birds in the Catalan Pyrenees and the zebra mussel (Dreissena Polymorpha) in Ribarroja reservoir (Spain). |
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