Abstract:The article presents the possibilities of visual and statistical outputs from the telemetric tracking of game: activity data, heat map, home regions, movement routes and the points of occurrence. Nowadays the methods of the telemetric tracking of game are also used for finding the best ways to eliminate damage caused by wild boar generally, and field crops damage specifically. From telemetrically gained data it is possible to study the local habits of wild boar and their preference of crops and cultivars in va… Show more
“…The statistical analyses did not consider fodder plants, as there were no precise data and the damage to these plants was estimated at only 0.1%. In turn, maize was distinguished, as this cereal is the most preferred food of wild boars (Amici et al 2012, Jarolímek et al 2014, Zeman et al 2018). The significance level was set at p ≤ 0.05.…”
The aim of this study was to analyse the damage caused by wild boar Sus scrofa to crop fields located in the central-eastern Poland in relation with the crop composition. A significant increase in the grassland area and in the area under cultivation of total cereals, vegetables, fruit, and root crops (p ≤ 0.05) was revealed on the study area. The volume of damage caused to legumes, industrial plants, vegetables, and fruit increased simultaneously with the increase in the surface area under these plant groups (p ≤ 0.05). The compensation payment has markedly positively correlated with the damaged area of grassland, cereals, maize, root crops, legumes and an increase in the total damage (p ≤ 0.05). The number of compensations has a significant effect on the number of wild boars harvested on the studied areas (p ≤ 0.05). The number of wild boars and the number of harvested wild boars were strongly negatively correlated with the area of maize cultivation (p ≤ 0.05). The level of wild boar hunting increased markedly simultaneously with the increase in the damage caused by these animals (p ≤ 0.05). Moreover, it was shown that the number of harvested wild boars increased considerably with the increase in the number of wild boars on the study area (p ≤ 0.05). The level of damage to cereals, maize, and industrial plants decreased significantly with an increase in the total area and forest area in the study territory (p ≤ 0.05). Keywords: Sus scrofa, impact on crops, damage, recommendations
“…The statistical analyses did not consider fodder plants, as there were no precise data and the damage to these plants was estimated at only 0.1%. In turn, maize was distinguished, as this cereal is the most preferred food of wild boars (Amici et al 2012, Jarolímek et al 2014, Zeman et al 2018). The significance level was set at p ≤ 0.05.…”
The aim of this study was to analyse the damage caused by wild boar Sus scrofa to crop fields located in the central-eastern Poland in relation with the crop composition. A significant increase in the grassland area and in the area under cultivation of total cereals, vegetables, fruit, and root crops (p ≤ 0.05) was revealed on the study area. The volume of damage caused to legumes, industrial plants, vegetables, and fruit increased simultaneously with the increase in the surface area under these plant groups (p ≤ 0.05). The compensation payment has markedly positively correlated with the damaged area of grassland, cereals, maize, root crops, legumes and an increase in the total damage (p ≤ 0.05). The number of compensations has a significant effect on the number of wild boars harvested on the studied areas (p ≤ 0.05). The number of wild boars and the number of harvested wild boars were strongly negatively correlated with the area of maize cultivation (p ≤ 0.05). The level of wild boar hunting increased markedly simultaneously with the increase in the damage caused by these animals (p ≤ 0.05). Moreover, it was shown that the number of harvested wild boars increased considerably with the increase in the number of wild boars on the study area (p ≤ 0.05). The level of damage to cereals, maize, and industrial plants decreased significantly with an increase in the total area and forest area in the study territory (p ≤ 0.05). Keywords: Sus scrofa, impact on crops, damage, recommendations
“…The collar was set to record GPS locations (~ 10 m accuracy) at 30 min intervals. The GPS locations were transmitted daily via the GSM module to a secure online database available at http://zver.agris.cz/en/, where the data were stored and backed up without the need of retrieving the collar (Jarolímek et al 2012;Jarolímek et al 2014). As a measure of the accuracy of each GPS location, the collar also recorded a dilution of precision (DOP) value, i.e.…”
The European bison (Bison bonasus) became extinct in the wild in the 20th century. Due to successful reintroductions of captive individuals, the free-ranging bison population has been steadily increasing. However, the population consists of small and isolated herds whose survival depends on creating larger and connected populations. Detailed knowledge of movement and habitat use in human-dominated landscape is essential for further successful reintroductions of the European bison. Therefore, we studied daily activity and habitat use of the semi-free European bison herd in the hunting enclosure of Židlov from April to September 2014. The lead cow of the herd was fitted with a GPS collar equipped with GSM module. The average home range size of the herd was 29.5 km2 and the average daily utilisation area was 0.5 km2. Forested habitats were preferred during the day (Rayleigh test: Z = 107.31; p < 0. 0001) whereas idle lands (i.e. former shooting ranges now dominated by a mixture of pioneer tree species, hawthorn and grasslands) during the night (Rayleigh test: Z = 214.451; p < 0. 0001). The bison herd did not show any clear preference for a particular forest type (i.e. coniferous, deciduous, different age classes). Additional knowledge on year-long patterns of movement and habitat use is needed to ensure the success of reintroduction programmes
“…Wild boar (Sus scrofa), a social mammal with a growing population throughout Europe (Massei et al, 2015;Keuling et al, 2016), is increasingly present in urban areas (Dinter, 1991;Cahill et al, 2003Cahill et al, , 2012Jansen et al, 2007;Podgorski et al, 2013). Wild boar frequently interfere with people, as they annoy garden owners (e.g., by rooting), can destroy agricultural crops (Amici et al, 2012;Ficetola et al, 2014;Jarolimek et al, 2014;Laznik and Trdan, 2014) and are potential transmitters of zoonotic diseases or diseases relevant to livestock (Fernández et al, 2006;Jansen et al, 2007;Chiari et al, 2015). Therefore, they are a useful model to study the ability of urban wildlife to perceive and respond to spatial variation in the landscape of fear.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, studying wild boar assists local authorities to develop appropriate management tools to minimize human-wildlife conflicts. Despite numerous studies on wild boar demonstrated substantial variation in home range size and kinetics of movements in natural and agricultural landscapes (Dardaillon and Beugnon, 1987;Cousse et al, 1992;Janeau et al, 1995;Thurfjell et al, 2013;Jarolimek et al, 2014;Morelle et al, 2014Morelle et al, , 2015, studies of urban wild boar are rare (Cahill et al, 2003(Cahill et al, , 2012Podgorski et al, 2013;Stillfried et al, 2017a,b).…”
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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