Defining practical and robust study designs for interventions targeted at terrestrial mammalian predators

Khorozyan, Igor

doi:10.1111/cobi.13805

Cited by 6 publications

(1 citation statement)

References 90 publications

(188 reference statements)

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“…However, before such drasticand, in the long term, often ineffective (Harper et al, 2008;Wielgus and Peebles, 2014;Treves et al, 2016;Eklund et al, 2017;Khorozyan and Waltert, 2019b)methods are implemented, it is worthwhile to disentangle correlates of predation on livestock. Although cause and effect are ideally tested in randomized and more robust study designs (Treves et al, 2019;Khorozyan, 2022), identifying correlates of livestock predation could greatly contribute to guiding evidence-based prevention methods (van Eeden et al, 2018) and hence reduce predation on livestock and resulting stakeholder conflicts (Mayer et al, 2022). Here, we focus on this task by using monitoring data from Brandenburg, a German state with a large and rapidly expanding wolf population (Reinhardt et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Patterns of livestock loss associated with a recolonizing wolf population in Germany

Kiffner¹,

Uthes²,

Ostermann‐Miyashita³

et al. 2022

Front. Conserv. Sci.

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Predation on livestock presents a daunting challenge for human–carnivore coexistence in agricultural landscapes. In Germany, the recolonization of wolves is ongoing and its consequences are insufficiently understood. Knowledge about which livestock species are susceptible to wolf predation, which farm types are predisposed to attacks by wolves, and when predation on livestock occurs is valuable for mitigating stakeholder conflicts. To this end, we analyzed 14 years of monitoring data and assessed the livestock prey spectrum, identified correlates between predation on livestock, farm type and livestock category, and described temporal patterns of livestock loss caused by a recolonizing wolf population in the state of Brandenburg (Germany). Among a total of 1387 recorded cases, 42% were unequivocally attributed to wolves (SCALP criteria C1 and C2) and 12% of cases were not caused by wolves. The number of head of livestock killed during a single wolf attack was mediated by farm type and livestock species; losses per event were greater in full-time farms vs. other farm types and greater in sheep, farmed deer and other livestock species, compared to cattle. While sheep were the most commonly killed livestock species, the increase in wolf territories over the investigation period was associated with a widening of the domestic prey species spectrum. Count regression models provided evidence for the increasing frequency of predation events over the 14-year period, along with an exponential increase in wolf territories. Predation on livestock occurred throughout the year, yet seasonality of events was evident and differed across livestock categories. Predation on sheep peaked in the fall, coinciding with the post-weaning period of wolf offspring. Predation on cattle peaked in the spring, coinciding with the cattle calving period. These results call for renewed investment in the implementation of prevention methods for all susceptible domestic species, particularly during times of elevated predation risk.

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Section: Introductionmentioning

confidence: 99%

Patterns of livestock loss associated with a recolonizing wolf population in Germany

Kiffner¹,

Uthes²,

Ostermann‐Miyashita³

et al. 2022

Front. Conserv. Sci.

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Perspective: Why might removing carnivores maintain or increase risks for domestic animals?

Elbroch

Treves

2023

Biological Conservation

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Where, why and how carnivores kill domestic animals in different parts of their ranges: An example of the Eurasian lynx

Khorozyan

Heurich

2023

Global Ecology and Conservation

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Defining practical and robust study designs for interventions targeted at terrestrial mammalian predators

Abstract: Article impact statement: More robust study designs are needed for investigations of predatortargeted interventions.

Cited by 6 publications

References 90 publications

Patterns of livestock loss associated with a recolonizing wolf population in Germany

Patterns of livestock loss associated with a recolonizing wolf population in Germany

Perspective: Why might removing carnivores maintain or increase risks for domestic animals?

Where, why and how carnivores kill domestic animals in different parts of their ranges: An example of the Eurasian lynx

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