Pelayo Acevedo

Pelayo Acevedo
IREC (CSIC-UCLM-JCCM) · Instituto de Investigación en Recursos Cinegéticos

PhD

About

285
Publications
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5,828
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Publications

Publications (285)
Article
Full-text available
Background To control the transmission of relevant shared diseases, such as animal tuberculosis (TB) and African swine fever (ASF), it is essential to reduce the risk of interaction between livestock and wild ungulates. In Eastern and Central Europe, the current spread of ASF virus affecting wild boar and domestic pigs (especially those raised outd...
Article
Full-text available
Human–wildlife conflicts are a growing problem in Northern Hemisphere where wild ungulates are one of the taxonomic groups most frequently involved. To mitigate these conflicts, it is essential to develop preventive actions able to avoid encounters between wildlife and human (activities). We here employed photo-trapping to evaluate the behaviour of...
Article
While reliable estimates of species abundance distribution are required for wildlife management and are greatly needed at broad spatial scales, such information is scarce. In this context, the usefulness of spatial modelling as a tool for predicting game species relative abundance and distribution from hunting yield data was studied. Hunting yield...
Article
Full-text available
Population density estimates are important for wildlife conservation and management. Several camera trapping‐based methods for estimating densities have been developed, one of which, the random encounter model (REM), has been widely applied due to its practical advantages such as no need for species‐specific study design. Nevertheless, most of the...
Article
Full-text available
Biodiversity is dramatically declining worldwide due to the complex processes that include interactions among threats. Studies investigating how multiple drivers (inter)act to influence spatio-temporal shifts in species distribution ranges, which are among the most anticipated changes in biodiversity in the future, are still scarce in the scientifi...
Article
Full-text available
Reliable estimates of the distribution of species abundance are a key element in wildlife studies, but such information is usually difficult to obtain for large spatial or long temporal scales. Wildlife–vehicle collision (WVC) data is systematically registered in many countries and could be used as a proxy of population abundance if the number of W...
Article
Full-text available
Background: Fences are one of the most widespread manmade features in nature, constituting an artificial limitation to the movement of wildlife. To date, their effects on wildlife behaviour have been understudied but this knowledge is required to design effective management procedures. Using 21 GPS-monitored wild boar, we evaluated the permeability...
Article
Tuberculosis (TB) is a zoonotic mycobacterial infection with great importance in human health, animal production, and wildlife conservation. Although an ambitious eradication programme in cattle has been implemented for decades, TB-free status has not yet been achieved in most of Spain, where animal TB persists in a multi-host system of domestic an...
Article
A cross‐sectional study was carried out to assess the circulation of bluetongue virus (BTV) and Schmallenberg virus (SBV) within the wild and domestic ungulate host community in Doñana National Park (southwestern Spain). A total of 440 animals, including 138 cattle, 102 red deer (Cervus elaphus), 101 fallow deer (Dama dama) and 99 wild boar (Sus sc...
Poster
Full-text available
Contexto Probabilidad de detección Objetivo: identificar los factores que afectan a la probabilidad de detección y velocidad de disparo de las cámaras Fig. Diseño experimental Métodos 5 modelos Resultados & discusión CONCLUSIONES La probabilidad de detectar un individuo de una especie dada depende del modelo de cámara usado (no todas las cámaras de...
Article
Full-text available
Camera trapping is a widely used tool in wildlife research and conservation, and a plethora of makes and models of camera traps have emerged. However, insufficient attention has been paid to testing their performance, particularly under field conditions. In this study, we have comparatively tested five of the most frequently used makes of camera tr...
Article
Crimean‐Congo haemorrhagic fever virus (CCHFV) continues to cause new human cases in Iberia while its spatial distribution and ecological determinants remain unknown. The virus remains active in a silent tick‐animal cycle to which animals contribute maintaining the tick populations and the virus itself. Wild ungulates, in particular red deer, are e...
Article
In a context of disease emergence and faced with the ever-growing evidence of the role of wildlife in the epidemiology of transmissible diseases, efforts have been made to develop wildlife disease surveillance (WDS) programs throughout Europe. Disease monitoring is ideally composed of “numerator data” (number of infected individuals) and “denominat...
Article
Bovine leptospirosis is a bacterial disease that affects cattle herds, causing economic losses due to reproductive problems which require expensive treatments. The main source of transmission for cattle is still uncertain, but rodents and bats can play an important role in the transmission cycle by being maintenance hosts for the pathogenic species...
Poster
Full-text available
Measures of performance in wild ungulates must consider density dependent and stochastic factors such as parasitic rates (as natural enemies in intimae relation with hosts) along with the impact of population management. In order to standardize parasite counts to be useful ecological indicators, it is essential to test host and parasite responses t...
Article
Full-text available
Bird nest selection in forests can be influenced by the composition of key structural elements and resources. This has important consequences in terms of species population dynamics since it can determine reproduction success. Here, we assessed Common raven nest-site selection and reproductive success, and how these might be determined by foraging...
Book
Full-text available
This book, aimed at professionals in the sector such as veterinarians, livestock farmers or wildlife managers, is the first volume of a manual that lists and details the different sources of risk of tuberculosis for cattle. In each section, the risk is described, its epidemiological role is detailed and control measures are proposed, providing a co...
Book
Full-text available
This book, aimed at professionals in the sector such as veterinarians, ranchers or wildlife managers, is the second volume of a manual that lists and details the different sources of risk of tuberculosis for wildlife. In each section, the risk is described, its epidemiological role is detailed and control measures are proposed, providing a complete...
Article
Bluetongue is a vector-borne disease affecting domestic and wild ruminants, with a major socioeconomic impact. Endemic circulation of the bluetongue virus serotype 4 (BTV-4) and BTV-1 have occurred in Spain since 2004 and 2007, respectively. However, epidemiological studies have seldom been approached from a long-term perspective in wild ruminants....
Article
The ubiquitous wild boar is causing diverse and growing conflicts of socio-ecological and economic relevance worldwide. For that reason, knowledge of its spatial ecology is crucial to designing effective management programmes. But this knowledge is scarce in Mediterranean areas with mixed land uses. We describe the spatial ecology and habitat selec...
Article
Full-text available
Toxoplasmosis is a parasitic zoonosis caused by Toxoplasma gondii which infects warm-blooded species worldwide. Humans can be infected through ingestion of tissue cysts from raw or undercooked meat, including game meat. A nationwide large-scale cross-sectional study was conducted to assess exposure to T. gondii in seven wild ruminant species in Spa...
Article
Aim The role of mitochondrial DNA (mtDNA) in local adaptation has been thoroughly debated, and the ancient pervasive mtDNA introgression from Lepus timidus into Lepus granatensis allows testing of this hypothesis. Here, we study the environmental niche of animals with introgressed mtDNA, to gain insights about the potential selective pressures main...
Article
Full-text available
The hepatitis E virus (HEV) is an emerging zoonotic pathogen whose main reservoir is suids. Most of the ecological and epidemiological aspects of its sylvatic cycle remain unknown. Thus, in this work, we study the drivers of HEV exposure in the wild boar population of Doñana National Park (DNP, southwest Spain) operating in the medium and long-term...
Book
GECISO Manual proposes a conceptual framework to develop: The Technical Standard (TE) GECISO®. GECISO® is a technical standard for the territorially-based certification of game management by companies accredited by ENAC, the Spanish national entity for accreditation. GECISO provides detailed regulatory specifications for the certification of susta...
Book
GECISO® is a technical standard for the territorially-based certification of game management by companies accredited by ENAC, the Spanish national entity for accreditation. GECISO provides detailed regulatory specifications for the certification of sustainable management, and it is beginning to be translated into practice on hunting grounds in Spai...
Article
Full-text available
Recently, the survival of Mycobacterium bovis on livestock mineral blocks has been confirmed, but little is known about its implication in the transmission of animal tuberculosis (TB) under field conditions. The objective of this study was to describe the shared use of mineral supplements in four extensive beef cattle farms from a high TB prevalenc...
Preprint
Bovine leptospirosis is a bacterial disease that affects cattle herds, causing economic losses due to reproductive problems, which require expensive treatments. The main source of transmission for cattle is still uncertain, but it has been described that rodents and bats can play an important role in the transmission cycle by being maintenance host...
Article
Full-text available
Population density estimations are essential for wildlife management and conservation. Camera traps have become a promising cost‐effective tool, for which several methods have been described to estimate population density when individuals are unrecognisable (i.e. unmarked populations). However, comparative tests of their applicability and performan...
Article
A cross-sectional study was carried out to evaluate shared pathogens that can be transmitted by close or non-close contact at the domestic-wild ruminants' interface. During summer-autumn 2015, a total of 138 cattle and 203 wild ruminants (red deer, Cervus elaphus, and fallow deer, Dama dama) were sampled in Doñana National Park (DNP, southwestern S...
Article
Animal tuberculosis (TB), which is caused by the Mycobacterium tuberculosis complex (MTC), is a zoonotic disease of global concern, and has a wide variety of wild and domestic reservoirs that can establish complex epidemiological systems. Of all the strategies employed to control TB, reducing the risks of interaction at the wildlife-livestock inter...
Article
Full-text available
Measures of performance in wild ungulates must consider density dependent and stochastic factors such as parasitic rates (as natural enemies in intimae relation with hosts) along with the impact of population management. In order to standardize parasite counts to be useful ecological indicators, it is essential to test host and parasite responses t...
Article
Full-text available
Camera‐trapping methods have been used to monitor movement and behavioural ecology parameters of wildlife. However, some concerns have emerged. For instance, some wildlife populations present movement patterns characteristic of each behaviour (e.g. foraging or displacement between habitat patches), and further research is needed to integrate the be...
Article
The knowledge regarding the spatial ecology of red deer (Cervus elaphus) in different environments is crucial if effective management actions are to be designed. However, this knowledge continues to be scarce in the complex contexts of mixed land use and management circumstances. This study describes the spatial ecology of red deer monitored using...
Article
The jaguar is listed as endangered in Mexico. However, population estimates and conservation initiatives have relied on data obtained from Protected Areas (PA) covered by humid tropical forests of southern Mexico. In this context, the objectives were: 1) to estimate jaguar density for the last wilderness ecoregion of central-western Mexico, 2) quan...
Article
Full-text available
Long-lived species are particularly interesting for investigation of trade-offs that shape reproductive allocation and the effective contribution to the next generations. Life history theory predicts that these species will buffer environmental stochasticity via changes in the reproductive investment, while maintaining high adult survival rates. Th...
Article
Full-text available
Understanding the dynamics of a wildlife population in relation to hunting strategies is essential to achieve sustainable management. We used monitoring data over 25 years from two red deer (Cervus elaphus) populations with different management (with and without supplemental feeding) in South Central Spain to: (i) characterise the density dependenc...
Article
Full-text available
In order to define the spatial interface between wild boar and domestic pigs in Europe, the ENETWILD consortium (www.enetwild.com) described in a preliminary report the different sources of data for domestic pigs at European scale, and developed a preliminary risk map of possible spatial interaction between both groups. This model explored and asse...
Article
Full-text available
Toxoplasma gondii is an obligate intracellular protozoan which infects warm-blooded vertebrates, including humans, worldwide. In the present study, the epidemiology of T. gondii was studied in the wild ungulate host community (wild boar, red deer, and fallow deer) of Doñana National Park (DNP, south-western Spain) for 13 years (2005–2018). We asses...
Article
ENETWILD consortium has developed methodologies for modelling wild boar abundance distribution based on hunting yield (HY) data. Although the methodologies reached an acceptable reliability, when models were downscaled to higher spatial resolution the predictions of absolute numbers of hunted animals tended to overprediction. Some important issues...
Article
Full-text available
Long-term wildlife disease research (LTWDR) and its interfaces with humans and domestic animals provide perspective to understand the diseases’ main drivers and how they operate. In a systematic review, we analysed the temporal trend of the studies on LTWDR, their aims, and the hosts, pathogens and geographic areas studied. We also evaluated the ad...
Article
Camera trapping use has increased significantly in ecological studies in recent decades due to its ability to register information about cryptic and/or elusive species and, more recently, due to its ability to derive population parameters, such as population abundance or density. For these latter applications, camera traps set in a regular grid pat...
Preprint
Recently, the survival of Mycobacterium bovis on livestock mineral blocks has been confirmed, but little is known about its implication in the transmission of animal tuberculosis (TB) under field conditions. The objective of this study was to describe the shared use of mineral supplements in extensive farms from South Central Spain (SCS), to identi...
Article
The effective management of shared pathogens between wild ungulates and livestock requires the understanding of the processes of interaction between them. In this work we studied the interspecific frequency of interaction (ifreq) and its spatio-temporal pattern between wild and domestic ungulates that coexist in free-ranging farms. For this purpose...
Article
Full-text available
Understanding the origin of ticks is essential for evaluating the risk of tick-borne disease introduction into new territories. However, when collecting engorged ticks from a host, it is virtually impossible to identify the geographical location where this tick was acquired. Recently, the elementome of tick exoskeleton was characterized by using sc...
Preprint
Full-text available
1. High-density populations of large ungulates are now widespread. However, the perception of overabundance only appears when it produces a problem for humans, such as a loss of plant diversity, damage to agricultural crops and forestry, ungulate-vehicle collisions, a nuisance to humans, disease transmission to livestock or changes in habitat for o...
Article
A large-scale study was carried out to determine the prevalence of antibodies against Pestivirus species in wild ruminants and describe their spatial variation in mainland Spain. Serum samples of 1,874 wild ruminants from different regions of this country were collected between the years 2000 and 2017. A total of 6.6% (123/1,874) animals showed ant...
Article
The human dimension of wildlife is a subject of increasing interest, especially considering the potential impact of people's perceptions on decision-making concerning wildlife management and thus on species' distribution and abundance. This is particularly important for species that inhabit human-dominated landscapes, where conflicts are likely to...
Article
• Throughout recent years, ungulates have experienced significant increases in numbers and geographic range sizes in Europe, becoming locally overabundant populations in some regions. Changes in legislation regarding poaching, abandonment of land and re‐naturalisation of habitats, and decreasing numbers of hunters, among other things, have led to a...
Article
Schmallenberg disease (SBD) is an emerging vector‐borne disease that affects domestic and wild ruminants. A long‐term serosurvey was conducted to assess exposure to Schmallenberg virus (SBV) in all the wild ruminant species present in mainland Spain. Between 2010 and 2016, sera from 1,216 animals were tested for antibodies against SBV using a comme...
Article
Full-text available
Animal tuberculosis (TB) is endemic in wild boar (Sus scrofa), red deer (Cervus elaphus), fallow deer (Dama dama) and cattle in south and central Spain. In order to clarify the processes that operate in the medium and long-term, we studied TB at the wildlife–livestock interface in Doñana National Park for 14 years (2006–2018) in relation to host de...
Article
The general aim of this guidance is to review the methods for estimating relative abundance and density in wild ruminant species and give insights on how to obtain reliable estimations by using those methods. The results are a possible guideline on best practices to improve the accuracy and comparability of density methods. For these purposes, we r...