Predation on livestock as an indicator of drastic prey decline? The indirect effects of an African swine fever epidemic on predator–prey relations in Poland

Klich, Daniel; Sobczuk, Maria; Basak, Sayantani M.; Wierzbowska, Izabela A.; Tallian, Aimee; Hędrzak, Magdalena; Popczyk, Bartłomiej; Żoch, Krzysztof

doi:10.1016/j.ecolind.2021.108419

Cited by 4 publications

(2 citation statements)

References 67 publications

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“…Wild boar is considered an "ecosystem engineering" [50], and a drastic decrease in wild boar abundance due to ASF high mortality is expected to cause signifcant changes. For instance, a recent study described that wolves' diet changed to more predation on both roe and red deer after ASF emergence in Belarus [51]. Similarly, the emergence of ASF in Poland derived in a higher number of livestock attacks by wolves [52].…”

Section: Discussionmentioning

confidence: 99%

Not Just Pictures: Utility of Camera Trapping in the Context of African Swine Fever and Wild Boar Management

Palencia

Vada

Zanet

et al. 2023

Transboundary and Emerging Diseases

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African swine fever (ASF) is a highly contagious disease affecting all suids and wild boar (Sus scrofa). Since 2007, ASF has spread to more than 30 countries in Europe and Asian regions, and the most recent outbreak has been in mainland Italy (reported on January 2022). When the genotype II of the ASF virus infects a population, a mortality rate close to 90% is usually reported. This drop in wild boar abundance produces a cascade effect in the entire ecosystem. In this context, effective monitoring tools for deriving management parameters are a priority aspect, and the utility of camera trapping could have been overlooked. Here, sampling the infected area in north Italy, we showed the utility of camera traps in the context of ASF infection. Specifically, we used 43 camera traps randomly distributed to (i) estimate movement parameters and population density of wild boar, roe deer (Capreolus capreolus), and wolf (Canis lupus); (ii) quantify wild boar recruitment; and (iii) assess whether the human restriction rules are being met. On the first spring after the outbreak detection, our results for wild boar indicated a density of 0.27 ind·km−2 ± 0.11 (standard error, SE), a daily activity level of 0.49 ± 0.07 (i.e., 11.76 h·day−1), a daily distance travelled of 9.07 ± 1.80 km·day−1, a litter size of 1.72 piglets·group−1, and a 72% of pregnant females. Despite human outdoor activities being restricted in the infected zone, we recorded human presence in 19 camera traps. The wide range of parameters estimated from the camera trap data, together with some intrinsic and practical advantages of this tool, allows us to conclude that camera traps are well positioned to be a reference approach to monitor populations affected by ASF. The population-specific parameters are of prime importance for optimizing ASF control efforts.

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Section: Discussionmentioning

confidence: 99%

Not Just Pictures: Utility of Camera Trapping in the Context of African Swine Fever and Wild Boar Management

Palencia

Vada

Zanet

et al. 2023

Transboundary and Emerging Diseases

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show abstract

“…Furthermore, the wild boar has a large dispersive ability, and individuals can migrate up to several hundred kilometers ( Keuling et al, 2010 ; Jerina et al, 2014 ). This is an important consideration as, during the sampling period, wild boar were under increased hunting pressure aimed at slowing the spread of African swine fever ( Klich et al, 2021 ). Therefore, it would be reasonable to assume that the home range size of wild boar in Poland was significantly larger during the year of sample collection, and the lack of effect that was observed in the small-scale analysis would not be present in other hunting conditions.…”

Section: Discussionmentioning

confidence: 99%

Predicting the risk of Alaria alata infestation in wild boar on the basis of environmental factors

Klich

Nowicki

Didkowska

et al. 2022

International Journal for Parasitology: Parasites and Wildlife

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Tools and opportunities for African swine fever control in wild boar and feral pigs: a review

et al. 2023

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Predation on livestock as an indicator of drastic prey decline? The indirect effects of an African swine fever epidemic on predator–prey relations in Poland

Cited by 4 publications

References 67 publications

Not Just Pictures: Utility of Camera Trapping in the Context of African Swine Fever and Wild Boar Management

Not Just Pictures: Utility of Camera Trapping in the Context of African Swine Fever and Wild Boar Management

Predicting the risk of Alaria alata infestation in wild boar on the basis of environmental factors

Tools and opportunities for African swine fever control in wild boar and feral pigs: a review

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