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- Title
INDUCED OSCILLATIONS GENERATED BY PROTECTIVE THRESHOLD POLICIES IN THE MANAGEMENT OF EXPLOITED POPULATIONS.
- Authors
DA SILVEIRA COSTA, MICHEL ISKIN; DEL BIANCO FARIA, LUCAS
- Abstract
Management and conservation of exploited populations have been a central issue in theoretical and empirical studies. In this work, it is shown that threshold policies can induce cyclic behavior in an otherwise exploited stable population as a consequence of the combination of harvest pressure and excessively protective threshold densities. Moreover, the dynamical outcomes generated by these extremely protective policies may vary according to the initial densities. These results may be of significant concern in conservation as well as in management of exploited population.
- Subjects
PLANT conservation; HARVESTING; PLANT populations; OSCILLATIONS; EMPIRICAL research; PLANT spacing; DISCRETE-time systems
- Publication
Natural Resource Modeling, 2011, Vol 24, Issue 2, p183
- ISSN
0890-8575
- Publication type
Article
- DOI
10.1111/j.1939-7445.2010.00087.x