Factors affecting the level of damage by wild boar in farmland in north‐eastern Poland

Frąckowiak, Witold; Gorczyca, Stanislaw; Merta, Dorota; Wojciuch-Płoskonka, Marta

doi:10.1002/ps.3368

Cited by 40 publications

(25 citation statements)

References 18 publications

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“…In contrast to rural wild boar in our study area, urban wild boar do not use agricultural areas, even though agriculture is available in close proximity to the used habitats (Supplementary Figure 1, Figure 2). Agricultural areas usually provide attractive foraging opportunities for wild boar (Herrero et al, 2006;Amici et al, 2012;Frackowiak et al, 2013;Ficetola et al, 2014). But wild boar are known to be opportunistic omnivores whose diet, in any particular instance, is largely determined by the relative availability of different food types (Schley and Roper, 2003).…”

Section: Habitat Selection In a Landscape Of Fear (Prediction 2)mentioning

confidence: 99%

Secrets of Success in a Landscape of Fear: Urban Wild Boar Adjust Risk Perception and Tolerate Disturbance

et al. 2017

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In urban areas with a high level of human disturbance, wildlife has to adjust its behavior to deal with the so called "landscape of fear." This can be studied in risk perception during movement in relation to specific habitat types, whereby individuals trade-off between foraging and disturbance. Due to its high behavioral plasticity and increasing occurrence in urban environments, wild boar (Sus scrofa) is an excellent model organism to study adjustment to urbanization. With the help of GPS tracking, space use of 11 wild boar from Berlin's metropolitan region was analyzed: we aimed at understanding how animals adjust space use to deal with the landscape of fear in urban areas compared to rural areas. We compared use vs. availability with help of generalized linear mixed models. First, we studied landscape types selected by rural vs. urban wild boar, second, we analyzed distances of wild boar locations to each of the landscape types. Finally, we mapped the resulting habitat selection probability to predict hotspots of human-wildlife conflicts. A higher tolerance to disturbance in urban wild boar was shown by a one third shorter flight distance and by an increased re-use of areas close to the trap. Urban wild boar had a strong preference for natural landscapes such as swamp areas, green areas and deciduous forests, and areas with high primary productivity, as indicated by high NDVI (normalized difference vegetation index) values. The areas selected by urban wild boar were often located closely to roads and houses. The spatial distribution maps show that a large area of Berlin would be suitable for urban wild boar but not their rural conspecifics, with the most likely reason being a different perception of anthropogenic disturbance. Wild boar therefore showed considerable behavioral plasticity suitable to adjust to human-dominated environments in a potentially evolutionarily adaptive manner.

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Section: Habitat Selection In a Landscape Of Fear (Prediction 2)mentioning

confidence: 99%

Secrets of Success in a Landscape of Fear: Urban Wild Boar Adjust Risk Perception and Tolerate Disturbance

et al. 2017

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“…During the vegetation period, wild boar takes advantage of rape, cereal and maize cultures until their harvest in September or October (Schley et al 2008). Subsequently, they move to forests where sufficient food sources and shelter are available (Frackowiak et al 2013). Indeed, animals with adequate food supplies do not migrate far from their resting places in search of uncertain sources (Massei et al 1997, Lemel et al 2003, and they move to more distant places only after the local food sources have been completely depleted (Thurfjell et al 2013).…”

Section: Wild Boar Impactmentioning

confidence: 99%

The impact of seed predation and browsing on natural sessile oak regeneration under different light conditions in an over-aged coppice stand

Kamler¹,

Dobrovolný²,

Drimaj³

et al. 2016

iForest

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(1) Sessile oak (Quercus petraea (Matt.) Liebl.) is one of the most important commercial species cultivated at low altitudes in the Czech Republic, and overaged coppices are a significant part of oak stands in the region. In order to secure a high-valuable timber production (e.g., through conversion of such stands into coppices-with-standards), knowledge of the potential and limits of generative regeneration is essential. This study was conducted in three oakdominated over-aged coppice stands in different stages of conversion into coppices-with-standards and characterized by different basal area (BA, from 9.3 to 14.1 m 2 ha -1 ) and relative diffuse radiation (ISF, from 12.1 to 35.5%). The study stands were compared with respect to seed predation following acorn fall and oak regeneration parameters. At the time of their fall the acorns represented a sought-after source of food for large mammals (particularly wild boar). At the end of acorn fall, 13-67% acorns were lost due to animal predation. A control evaluation conducted the following spring revealed a decrease of 92-97% in fallen acorns. Despite the major animal impact, a high reserve of acorns and saplings remained in the stands (4 600-29 000 acorns and 66 000-310 000 saplings per ha). With increasing light intensity the oak regeneration density decreased, while the height and age variability of oak regeneration increased. Although saplings were capable of surviving several years under unfavorable light conditions (even below 12% ISF), they require a minimum of 20% ISF (i.e., BA < 16 m 2 ha -1 ) to achieve sustainable height increment. Based on our results, for conversion of such stands into coppices-with-standards we recommend a maximum of 200 reserved trees (BA = 16 m 2 ha -1 ) to achieve successful height growth of the understorey.

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“…Hunting statistics for Poland indicate that the population of boar increased from 79 900 in 1990 to 249 900 in 2010, whereas harvesting figures for these years increased from 122 000 to 217 900 individuals respectively. The wild boar has become a conflict species, as it inflicts damage in cultivated fields, colonises urban areas, and causes a great number of road accidents . According to Forestry 2010 , in 2009 Polish hunters paid some €12.4 million to farmers as compensation for crops damaged by wild boar.…”

Section: Introductionmentioning

confidence: 99%

Carcass weight, condition and reproduction of wild boar harvested in north‐western Poland

Orłowska

Rembacz²,

Florek³

2012

Pest Management Science

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Factors affecting the level of damage by wild boar in farmland in north‐eastern Poland

Abstract: Protective strips do not reduce the damage to crops, and so the offer of high-protein food on these strips, which increases reproduction rates among wild boar, should be discontinued. Reduction in the level of damage can only be achieved by a radical reduction in numbers of wild boar.

Cited by 40 publications

References 18 publications

Secrets of Success in a Landscape of Fear: Urban Wild Boar Adjust Risk Perception and Tolerate Disturbance

Secrets of Success in a Landscape of Fear: Urban Wild Boar Adjust Risk Perception and Tolerate Disturbance

The impact of seed predation and browsing on natural sessile oak regeneration under different light conditions in an over-aged coppice stand

Carcass weight, condition and reproduction of wild boar harvested in north‐western Poland

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