Impact of wild boar (Sus scrofa) in its introduced and native range: a review

Barrios-García, M. Noelia; Ballari, Sebastián A.

doi:10.1007/s10530-012-0229-6

Cited by 591 publications

(538 citation statements)

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“…The literature provides many specific examples of seasonal differences in wild boar diet (Barrios-Garcia and Ballari, 2012). Vegetable options occurred more frequently in the diet of wild boars than animal options (Dardaillon, 1987; Schley and Roper, 2003).…”

Section: Discussionmentioning

confidence: 99%

“…Various game species wreak havoc on agricultural production (particularly in the Eastern regions of Slovenia), with the most prevalent being wild boar (Sus scrofa L.), red deer (Cervus elaphus L.), and roe deer (Capreolus capreolus L.) (Jerina, 2006;Trdan and Vidrih, 2008). The wild boar Sus scrofa (L.) is currently increasing in abundance across Europe and other parts of the world (Schley and Roper, 2003;Barrios-Garcia and Ballari, 2012;Schlageter and Haag-Wackernagel, 2012). Rapidly increasing wild boar populations cause extensive agricultural damage (consumption of agricultural crops and rooting of grassland) (Laznik et al, 2012;Bueno et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

“…They are an omnivorous species whose diet consists primarily of plant material and only partly of animal materials. Any locally abundant food source is often exploited, leading to conflicts with human activities (Barrios-Garcia and Ballari, 2012).…”

Section: Introductionmentioning

confidence: 99%

“…Currently, wild boars have colonised 55% of Slovenia, and its potential habitat comprises 67% of the country. The distribution and number of wild boars will likely increase, particularly if present trends of environmental changes continue (e.g., increasing temperature, woodiness, and reduction of coniferous trees) (Jerina, 2006;Barrios-Garcia and Ballari, 2012).…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Different Soil Parameters and Wild Boar (Sus Scrofa[L.]) Grassland Damage

Laznik

Trdan

2014

Italian Journal of Animal Science

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Presented in this paper are the correlations between different soil parameters [presence of grubs, earthworms, pH, content of P2O5, K2O and organic matter (OM) in soil] and wild boar (Sus scrofa [L.]) damage to grasslands. The soil samples and damage assessments were performed at six locations in the Kočevje region, which is a densely wooded part of South East Slovenia. A significant positive correlation was discovered between the extent of damage due to wild boar rooting in grasslands and the number of grubs (r=0.73), the weight of grubs (r=0.69) and the content of P2O5 (r=0.87) in the soil. The quantity and weight of grubs in soil were significantly influenced by soil pH, the content of CaCl2 (r=0.71/0.72), P2O5 (r=0.90/0.91), and OM (r=0.74/0.77); while the quantity and weight of earthworms in soil were influenced by the content of K2O (r=0.81/-0.84). A moderate yet insignificant correlation (r=0.48/0.56) was discovered between the number and weight of earthworms in soil and the extent of grassland damage. Grubs represent a more important source of protein for wild boars than earthworms; consequently, reducing the quantity of grubs in soil could minimise the extent of damage caused by boars.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Evaluation of Different Soil Parameters and Wild Boar (Sus Scrofa[L.]) Grassland Damage

Laznik

Trdan

2014

Italian Journal of Animal Science

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“…In some regions of Spain, some populations of wild ungulates expanded between the mid of the 19th C. and the mid-20th C (Madoz 1856, Sáenz de Buruaga, 1987, Gortázar et al 2000, as well as in recent decades (Pérez et al 2002). Expanding ungulate populations have led to increases in crop damages (Herrero et al 2006), automobile accidents (Lagos et al 2012), the human consumption of game, the prey availability to endangered large carnivores (Blanco et al 2011), disease transmission (Armenteros et al 2013), and changes in the composition and abundance of plant species in natural and seminatural ecosystems (Wilson 2004, Bueno et al 2012) because of their diet, which has affected other species (Apollonio et al 2010, Barrios-García & Ballari 2012. In Aragon, Spain, the government budget for compensating farmers for damages caused by wild ungulates (primarily, red deer Cervus elaphus and roe deer Capreolus capreolus), was 180,000 € in 2008 and 90,000 € in 2009, as well as the ones due to car crashes, which in 2009 were 500,000 € (Marco et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Changes in wild ungulate populations in Aragon, Spain between 2001 and 2010

González¹,

Herrero²,

Prada³

et al. 2013

Galemys

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To update the information on the distributions of wild ungulates in Aragon, Spain, populations were surveyed based on questionnaires sent to rangers of the Government of Aragon. The data were analyzed in two five-year periods: 2001-2005 and 2006-2010. Our analysis was based on the 242 and 278 questionnaires, corresponding approximately with 80-90% answers that were analyzed in 2006 and 2011, respectively. The survey documented the presence/absence of up to eight wild ungulate species within a UTM 10x10 km grid on maps that were specific to the counties in which the rangers worked. In 2006-2010, wild boar Sus scrofa was the most widely distributed species as it occurred in all of the grid blocks. Roe deer Capreolus capreolus were documented in 89% of the grid blocks, Iberian wild goat Capra pyrenaica in 37%, red deer Cervus elaphus in 31%, Pyrenean chamois Rupicapra p. pyrenaica in 10%, feral goat Capra hircus in 8%, fallow deer Dama dama in 3%, and mouflon Ovis aries in 0.3%. The Pyrenees had the highest and the Middle Ebro Valley had the lowest diversity of ungulates. In the Iberian System, diversity was intermediate. Overall, the distribution of ungulates increased 21% between the two periods. Feral goat populations expanded the most (111%), although Iberian wild goat (61%), roe deer (50%), and red deer (4%) also expanded. The range of wild boar populations remained stable, but the ranges of chamois and fallow deer populations were reduced 6%. By 2010, typically, in most block grids three or more species of wild ungulates coexist. We recommend that ungulate populations in Aragon be surveyed at least every five years. Key words: re-wilding, sympatry, enclosures, rangers. ResumenCon el fin de actualizar la distribución de los ungulados silvestres en Aragón, se realizaron encuestas a los Agentes de Protección de la Naturaleza del Gobierno de Aragón en dos periodos: 2001-2005 y 2006-2010. Se recibieron un total de 242 y 278 respectivamente, correspondientes a un 80-90% de respuestas y que se analizaron en 2006 y 2011 respectivamente. Las encuestas documentaron la presencia/ausencia de hasta ocho especies de ungulados silvestres en cuadrículas UTM 10 x 10 km. En 2006-10, el jabalí Sus scrofa es la especie con una mayor distribución, ocupando la totalidad de las cuadrículas. El corzo Capreolus capreolus ocupó el 89% de las cuadrículas, la cabra montés Capra pyrenaica el 37%, el ciervo Cervus elaphus el 31%, el sarrio Rupicapra p. pyrenaica el 10%, la cabra doméstica asilvestrada Capra hircus el 8%, el gamo Dama dama el 3% y el muflón Ovis aries el 0,3%. Las zonas con mayor riqueza de ungulados se encuentran en el Pirineo, y los de menor con el Valle Medio del Ebro, siendo el Sistema Ibérico el que tiene una riqueza intermedia. En conjunto los ungulados han aumentado en un 21% su distribución entre los dos periodos, siendo el de mayor crecimiento la cabra doméstica asilvestrada (111%), seguido de la cabra montés (61%), corzo (50%) y ciervo (4%). La distribución del jabalí se ha mantenido y la del sarrio y el...

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State‐space model combining local camera data and regional administration data reveals population dynamics of wild boar

et al. 2022

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Recent increases in wildlife cause negative impacts on humans through both economic and ecological damage, as well as the spread of pathogens. Understanding the population dynamics of wildlife is crucial to develop effective management strategies. However, it is difficult to estimate accurate and precise population size over large spatial and temporal scales because of the limited data availability. We addressed these issues by first fitting a random encounter and staying time (REST) model based on camera trap data to construct an informative prior distribution for a capture rate parameter in a harvest‐based Bayesian state‐space model. We constructed a Bayesian state‐space model that integrated administration data on the number of captured wild boar with the prior distribution of capture efficiency estimated by camera trap data. The model with informative prior distribution from the REST model successfully estimated population dynamics, whereas the model using only the administration data did not, owing to a lack of parameter convergence. We identified areas where (1) wild boars exhibit a high potential population growth rate and a high carrying capacity, (2) current trapping efforts are effectively suppressing local populations, and (3) trapping reinforcement is required to control populations in the whole region. The model could be used to predict future trends in populations under the assumptions of ongoing trapping pressure. This will help identify spatially explicit trapping efforts to achieve target population levels.

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Impact of wild boar (Sus scrofa) in its introduced and native range: a review

Cited by 591 publications

References 139 publications

Evaluation of Different Soil Parameters and Wild Boar (Sus Scrofa[L.]) Grassland Damage

Evaluation of Different Soil Parameters and Wild Boar (Sus Scrofa[L.]) Grassland Damage

Changes in wild ungulate populations in Aragon, Spain between 2001 and 2010

State‐space model combining local camera data and regional administration data reveals population dynamics of wild boar

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