Temporary home range modifications of wild boar family groups (Sus scrofa L.) caused by drive hunts in Lower Saxony (Germany)

Sodeikat, Gunter; Pohlmeyer, K

doi:10.1007/bf02192404

Cited by 37 publications

(32 citation statements)

References 1 publication

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“…Previous studies evidenced that hunting effects wild boar behavior and activity range (Baubet et al 1998;Sodeikat and Pohlmeyer 2002;Fernández-Llario et al 2003). However, the interaction treatment 9 site did not significantly differ between the four study sites, which shows that site-specific factors such as remoteness, degree of anthropogenic impact, or wild boar density did not influence the effect of the odor repellent.…”

Section: Discussioncontrasting

confidence: 73%

Evaluation of an odor repellent for protecting crops from wild boar damage

Schlageter

Haag‐Wackernagel

2012

J Pest Sci

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Wild boar populations have dramatically increased in the past decades and the species has spread all over Europe. As the wild boar expanded its activity range into agricultural land, conflicts with humans have intensified. Today, the damage caused by wild boar amounts to millions of dollars every year. In Switzerland, farmers usually protect fields with electric fences, which have proven to be effective in preventing damage, but are also expensive. Alternatively, various cheaper deterrents and repellents are commercially available. However, most of them lack scientific proof of efficacy. In the present study, we investigated the effectiveness of the odor repellent ''Wildschwein-Stopp Ò '' against wild boar. We conducted field experiments with free-ranging wild boars at baited luring sites, which were placed in three different regions of the Canton Basel-Land, Northwest Switzerland. The odor repellent was not able to prevent the wild boars from entering our luring sites. We recorded a minimal and nonsignificant deterrent effect of 0.4%. Our results lead to the conclusion that the repellent is ineffective and, therefore, not recommendable for crop protection. On the basis of the present study we generally doubt fear-inducing repellents to be effective against wild boars and feral pigs. Our findings may indicate seasonal variation in wild boar activity outside forests since the probability of wild boar visits at the luring sites differed according to the season. The visits at the luring sites peaked in spring and fall which coincides with the occurrence of damage to agricultural land.

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Section: Discussioncontrasting

confidence: 73%

Evaluation of an odor repellent for protecting crops from wild boar damage

Schlageter

Haag‐Wackernagel

2012

J Pest Sci

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“…When the distance to the edge from the RSFs was analyzed in the sign rank test (Siegel and Castellan 1988) per season, the results were significant during the nights of winter and spring indicating that, on average, wild boar were closer to edges than expected by random points (p= 0.0098 for spring and p=0.032 for winter).…”

Section: Moving Along Edges and Narrow Landscape Elementsmentioning

confidence: 92%

“…This created several resource selection functions (RSFs), one per season and individual. The function of distance to edge was then tested in a sign rank test (Siegel and Castellan 1988).…”

Section: Moving Along Edges and Narrow Landscape Elementsmentioning

confidence: 99%

Habitat use and spatial patterns of wild boar Sus scrofa (L.): agricultural fields and edges

et al. 2009

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Rapidly increasing populations of wild boar in Sweden and Europe cause much damage to crops, and there is a critical need for more knowledge about their habitat utilization, especially of agricultural fields. In our study, we first assess the spatial pattern of damage in relation to the edges of agricultural fields. Next, with the aid of global positioning system collars, we studied the pattern of movement of wild boar on agricultural fields. Finally, in order to understand the role of agricultural fields, we studied how habitat selection may vary throughout the year. We found edge effects on damage patterns in agricultural fields. During winter and spring, we found wild boar not only to follow edges, but also to move along narrow landscape elements within agricultural fields. In our habitat analysis, we found strong avoidance of exposed agricultural fields throughout the year, but significantly less when crops are ripe.

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“…In other European countries, wild boar numbers have increased (Baubet 2002;Markov et al 2002;Franzetti et al 2002;Forreira et al 2002;Fruzinski and Łabudzki 2002;Sodeikat and Pohlmeyer 2002) to the extent that wild boar are seen in European cities such as Barcelona (Cahill and Limona 2002) and Hannover (G. Sodeikat, personal communication 2002), searching for food in garbage cans. In almost any country to which these animals were introduced, they increased in number and extended their range, e.g., in Australia (Heise-Pavlov and Hadjisterkotis 2005) and USA (Waithman et al 1999).…”

Section: Resultsmentioning

confidence: 95%