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Harvest rates of red deer (Cervus elaphus) populations from Iberian Peninsula

AutorVázquez, Carolina; Vicente, Joaquín ; Acevedo, Pelayo ; Gortázar, Christian
Palabras claveIberian Peninsula
Game management
Cervus elaphus
Harvest rate
Game pressure
Deer density
Carrying capacity
Density dependence
Fecha de publicación2012
CitaciónInternational Conference on Hunting for Sustainability (2012)
ResumenIn the absence of limiting factors or intensive management red deer tends to overabundance we pose the hypotheses that in the case of red deer, the extraction rate by hunting is variable, and not always according to population management criteria, therefore causing significant imbalances between effective extraction and the desired extraction in relation to environmental, sanitary, socioeconomic and hunting quality criteria. The goal is to characterize the hunting exploitation as output per surface and in relation to the red deer’s population size in key areas of the Iberian Peninsula, using a temporal series of five populations employing the density-dependency to compare in a theoretical situation of Maximum Sustainable Yield, MSY. It can be observed that there is no relation between the rate of extraction by surface and the rate population extraction. It is manifest that the Iberian Peninsula contains two main environments (Atlantic and Mediterranean), with varying degrees of exploitation (the first more social, the latter more industrial), and highly variable density and extraction parameters, all of which could denote an absence of longterm management beyond the defined population goals, a situation that is plainly visible in the center-south region of the peninsula. We conclude that densities and extraction rates through hunting can vary considerably even in the local scale. In populations located in the center-south region of the peninsula (a Mediterranean region with a high production rate) an elevated carrying capacity could favor a larger extraction by surface in comparison to northern populations. The spatial-temporal variations in the studied parameters suggest a general tendency to reactive management systems that do not adjust to densities or planned goals according to the carrying capacity of the environments. Finally, we consider it necessary to improve knowledge of population status, development and implementation of quality indicators of populations and management, and monitoring over time. We conclude that extraction rates thru hunting can vary considerably even in the local scale.
DescripciónResumen del póster presentado a la International Conference on Hunting for Sustainability: "Ecology, Economics and Society", celebrada en Ciudad Real (España) del 27 al 29 de marzo de 2012.
URIhttp://hdl.handle.net/10261/146871
Aparece en las colecciones: (IREC) Comunicaciones congresos
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