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Framework of most effective practices in protecting human assets from predators

 · Shared by : Igor Khorozyan
 · Last update : 8 July 2020
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Initiative
description

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Implementation, use
and maintenance

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Initiative
description

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Leader name
Igor Khorozyan
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Entity type
University Institute
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Launching Date
1 January 2018
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Assessment initiative
Assessed
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Initiative Type
Preventing access
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Wildlife species
Carnivores
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Issues
Bees
Crops
Human safety
Human well-being
Livestock
Pets
Property
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Intervention area
Worldwide
Global

BACKGROUND

Published information about the effectiveness of anti-predator interventions needs to be systematized and disseminated so that to identify the most effective interventions and to apply them further on

DESCRIPTION

We found out that the most effective interventions are electric fences, guarding animals, calving control and physical deterrents; the most effectively protected asset is livestock; and the most effective interventions are used to protect assets from cheetahs, Eurasian lynx, wolves and lions.

Effectiveness was measured as the relative risk (RR), which was transformed to the percentage of damage reduction (DR) for easy interpretation. The formula is simple: DR = (1-RR)*100%. RR is the probability of damage when an intervention is applied divided by the probability of damage without an intervention. The formula of the relative risk is also simple: RR = (nt/Nt)/(nc/Nc), where nt is the number of losses (livestock, beehives, etc.) with the intervention, Nt is the total number of the resource with the intervention (livestock, beehives etc.), nc is the number of losses without the intervention and Nc is the total number of resource without the intervention. The letter "t" stands for treatment (with intervention) and "c" for control (without intervention).

Interventions are effective when RR is less than 1, ineffective at RR = 1 and counter-productive (interventions produce more damage) when RR is higher than 1. Interventions are most effective when RR = 0, i.e. no losses are inflicted when the intervention is applied (nt = 0).

PRINCIPLE

Search for literature, data collection and analysis

CONDITIONS OF SUCCESS

Intensive search for literature


Advantages

  • - Important for intervention selection and applications

Disadvantages

  • - Limited publications on effectiveness of anti-predator interventions
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Implementation, use
and maintenance

IMPLEMENTATION

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IMPLEMENTATION KEY STEPS

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EQUIPMENTS

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USE & MAINTENANCE

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Annual period of use
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Daily period of use
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STEPS OF USE

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EQUIPMENTS

  • -
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To go
further

Icon Contact igor.khorozyan@biologie.uni-goettingen.de
Icon Internet links
https://doi.org/10.1080/10871209.2019.1619883
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