Reducing Wildlife Damage with Cost-Effective Management Programmes

PloS One
Cheryl R KrullThomas R Etherington

Abstract

Limiting the impact of wildlife damage in a cost effective manner requires an understanding of how control inputs change the occurrence of damage through their effect on animal density. Despite this, there are few studies linking wildlife management (control), with changes in animal abundance and prevailing levels of wildlife damage. We use the impact and management of wild pigs as a case study to demonstrate this linkage. Ground disturbance by wild pigs has become a conservation issue of global concern because of its potential effects on successional changes in vegetation structure and composition, habitat for other species, and functional soil properties. In this study, we used a 3-year pig control programme (ground hunting) undertaken in a temperate rainforest area of northern New Zealand to evaluate effects on pig abundance, and patterns and rates of ground disturbance and ground disturbance recovery and the cost effectiveness of differing control strategies. Control reduced pig densities by over a third of the estimated carrying capacity, but more than halved average prevailing ground disturbance. Rates of new ground disturbance accelerated with increasing pig density, while rates of ground disturbance recovery were not re...Continue Reading

Associated Datasets

Jan 26, 2016·Margaret C. StanleyThomas E. Etherington

Citations

Mar 6, 2019·Ecological Applications : a Publication of the Ecological Society of America·Richard BeggsDavid Lindenmayer

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