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Research Could Improve Management of Conflict Between Wildlife And Farmers Across The Globe
A new study led by the University of Stirling highlights improvements in the way conflicts between wildlife conservation and farming are managed worldwide.
 
Experts believe their analysis of conflicts involving large grazing birds – such as geese and cranes – across Europe could have a positive impact across the globe.
 
The team – led by Dr. Jeremy Cusack, a Postdoctoral Research Assistant in the Faculty of Natural Sciences – studied how governments from Scotland, Norway, Sweden and Denmark were tackling increased damage and financial losses caused by a rising number of large grazing birds landing and feeding on their land. For example, in some cases, population numbers are controlled through culling and, in others, compensation is paid for damage to crops.
 
The research focussed on nine different schemes, involving geese and cranes, and found disparities in the approaches employed. In many cases, approaches were not adapted to changes in bird numbers and to the level of damage being caused. In other situations, management actions were delayed, the study published in Conservation Letters revealed.
 
Dr. Cusack said: "The study shows that, in many cases, management actions to reduce these conflicts – such as controlling a population or paying out compensation for damage – are not adapted to changes in the conflict population or the damage level, and are sometimes even delayed.
 
"This is likely to worsen conflicts, either by failing to address the impacts of wildlife on human activities, or by negatively affecting the survival of wild populations."
 
He added: "Our research has the potential to improve the way we manage conflicts between wildlife conservation and agricultural activities – not just involving large grazing bird species – but perhaps lions which prey on livestock in rural Africa, or hen harriers feeding on economically valuable grouse in the UK."
 
In recent decades, there has been a rapid increase in the number of large grazing birds – such as geese and cranes – across Europe. Many of these species have benefited from European Union legislation preventing them from being hunted in their wintering and breeding sites, as well as improvements in agricultural land quality, giving them access to better forage along their migration routes.
 
However, more birds landing and feeding in agricultural landscapes has resulted in more damage and financial losses to farming communities. This has led to widespread conflicts between those who want to protect large grazing birds and those invested in farming.
 
On the Scottish island of Islay, for example, the cost of conflict between farmers and good conservation is in excess of £1 million a year.
 
In an attempt to reduce these conflicts, management schemes that aim to decrease the costs of agricultural damage have been developed in many European countries. Common strategies include population control through culling, allocating monetary payments as compensation for damage, or implementing scaring protocols to dissuade birds from using fields.
 
The Stirling research assessed whether changes in the level of effort put into different management strategies matched changes in the size of the bird populations over time.
 
Across the four countries studied, the team assessed data from six case studies, involving nine different management approaches, five species of goose and one species of crane.
 
In some cases, management levels showed high synchrony with bird numbers. For example, in the northern Norwegian district of Vesterålen, the level of subsidy farmers received to cover the cost of setting aside land for pink-footed geese increased and decreased with the number of birds.
 
Similarly, the number of pink-footed geese shot during the winter in north-western Denmark was positively related to the estimate population size.
 
However, other cases highlighted an asynchrony – meaning management efforts and bird numbers moved in opposite directions over time. This pattern is to be expected if the aim is to reduce the size of a population by increasing the level of hunting, the experts explained. Examples of this include the management of Greenland barnacle geese on Islay and greylag geese in Orkney.
 
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