A population model as an aid to pheasant management.

Author Hill, D.A. & Robertson, P.A.
Citation Hill, D.A. & Robertson, P.A. (1988). A population model as an aid to pheasant management. In: Hallett, D.L., Edwards, W.R. & Burger, G.V. (eds) Pheasants: Symptoms of Wildlife Problems on Agricultural Lands: 149-163. North Central Section of the Wildlife Society, Bloomington, Indiana.

Abstract

A preliminary statistical-dynamic model of pheasant (Phasianus colchicus) abundance was used to predict the effects of nest success, chick survival, density-dependent overwinter loss of females, and release of hand-reared pheasants on the dynamics of theoretical populations. In simulations using the model, pheasant numbers increased with higher nest success and chick survival, and annual releases of hand-reared birds reduced productivity of wild populations. Breeding success had little influence on subsequent breeding populations because of density-dependent overwinter loss in females and density-dependent non-territoriality in males. Maximum sustainable yield was obtained with 20% harvest. Findings are discussed in light of current pressures on wild pheasants in Britain.

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