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Wolf population genetics in E urope: a systematic review, meta‐analysis and suggestions for conservation and management

2016; Wiley; Volume: 92; Issue: 3 Linguagem: Inglês

10.1111/brv.12298

1469-185X

Maris Hindrikson, Jaanus Remm, Małgorzata Pilot, Raquel Godinho, Astrid Vik Strønen, Laima Baltrūnaitė, Sylwia D. Czarnomska, Jennifer A. Leonard, Ettore Randi, Carsten Nowak, Mikael Åkesson, José Vicente López‐Bao, Francisco Álvares, Luís Llaneza, Jorge Echegaray, Carles Vilà, Jānis Ozoliņš, Dainis Ruņģis, Jouni Aspi, Ladislav Paule, Tomaž Skrbinšek, Urmas Saarma,

Animal Behavior and Welfare Studies

ABSTRACT The grey wolf ( C anis lupus ) is an iconic large carnivore that has increasingly been recognized as an apex predator with intrinsic value and a keystone species. However, wolves have also long represented a primary source of human–carnivore conflict, which has led to long‐term persecution of wolves, resulting in a significant decrease in their numbers, genetic diversity and gene flow between populations. For more effective protection and management of wolf populations in E urope, robust scientific evidence is crucial. This review serves as an analytical summary of the main findings from wolf population genetic studies in E urope, covering major studies from the ‘pre‐genomic era’ and the first insights of the ‘genomics era’. We analyse, summarize and discuss findings derived from analyses of three compartments of the mammalian genome with different inheritance modes: maternal (mitochondrial DNA ), paternal ( Y chromosome) and biparental [autosomal microsatellites and single nucleotide polymorphisms ( SNPs )]. To describe large‐scale trends and patterns of genetic variation in E uropean wolf populations, we conducted a meta‐analysis based on the results of previous microsatellite studies and also included new data, covering all 19 E uropean countries for which wolf genetic information is available: N orway, S weden, F inland, E stonia, L atvia, L ithuania, P oland, C zech R epublic, S lovakia, G ermany, B elarus, R ussia, I taly, C roatia, B ulgaria, B osnia and H erzegovina, G reece, S pain and P ortugal. We compared different indices of genetic diversity in wolf populations and found a significant spatial trend in heterozygosity across E urope from south‐west (lowest genetic diversity) to north‐east (highest). The range of spatial autocorrelation calculated on the basis of three characteristics of genetic diversity was 650−850 km, suggesting that the genetic diversity of a given wolf population can be influenced by populations up to 850 km away. As an important outcome of this synthesis, we discuss the most pressing issues threatening wolf populations in E urope, highlight important gaps in current knowledge, suggest solutions to overcome these limitations, and provide recommendations for science‐based wolf conservation and management at regional and E urope‐wide scales.