Tetrao urogallus: BirdLife International

,

doi:10.2305/iucn.uk.2012-1.rlts.t22679487a40101999.en

Cited by 2 publications

(3 citation statements)

References 12 publications

(13 reference statements)

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“…The genetic diversity of the population from the Tatra National Park, estimated based on samples from 2016, was slightly lower than the values reported previously for 2012-2014(Rutkowski et al 2015, 2017, either in terms of the number of alleles or the level of heterozygosity. This could indicate that genetic diversity has been decreasing in the investigated population.…”

Section: Resultscontrasting

confidence: 58%

“…We assumed that the presence of identical microsatellite genotypes in two or more independent samples attested to the samples belonging to the same individual. Comparisons of genotypes were performed using GenAlEx v. 6.501 (Peakall & Smouse 2006, 2012. We assumed that the number of identified unique genotypes reflects the Minimum Number of individuals Alive (MNA) in the investigated population from the Tatra National Park.…”

Section: Discussionmentioning

confidence: 99%

“…The capercaillie (Tetrao urogallus L., 1758) is one of the most threatened woodland grouse in Europe (Storch 2007a, BirdLife International 2012. During the last few decades, populations of the capercaillie have declined throughout their range (Storch 2007b).…”

Section: Introductionmentioning

confidence: 99%

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Conservation genetics of the capercaillie in Poland – estimating the size of the Tatra National Park population by the genotyping of non-invasive samples

Rutkowski¹,

Dulisz²,

SZCZEPAŃSKI³

et al. 2017

Fragm. Faun.

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Knowledge about population size is of high importance for conservationists. We used non-invasively collected samples and microsatellite genotyping to estimate the size of the Tatra National Park population of the endangered capercaillie Tetrao urogallus. This population is one of the most important strongholds of the species in Poland. In 2016 over 150 samples (faeces and feathers) of the capercaillie were collected throughout area of the Tatra National Park. Then, DNA was extracted and genetic profiles were evaluated, using nine microsatellite markers. We obtained 81 reliable genotypes. Among them, 34 unique genotypes were found, corresponding to Minimum Number of individuals Alive in the investigated population. Application of capture-recapture models in the R package Capwire indicated, that the area was inhabited by approx. 54 birds, whereas regression model suggested presence of 36–64 individuals. Previous field surveys suggested that the number of birds in the Tatra National Park is about 50. Hence, we assumed that genetic tagging of non-invasive samples performs well in estimating the abundance of the capercaillie in the investigated population.

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Section: Resultscontrasting

confidence: 58%

Section: Discussionmentioning

confidence: 99%

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Conservation genetics of the capercaillie in Poland – estimating the size of the Tatra National Park population by the genotyping of non-invasive samples

Rutkowski¹,

Dulisz²,

SZCZEPAŃSKI³

et al. 2017

Fragm. Faun.

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Conservation genetics of the capercaillie in Poland - Delineation of conservation units

Rutkowski

Zawadzka²,

Suchecka

et al. 2017

PLoS ONE

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The capercaillie (Tetrao urogallus) is one of Poland's most endangered bird species, with an estimated population of 380–500 individuals in four isolated areas. To study these natural populations in Poland further, more than 900 non-invasive genetic samples were collected, along with samples from 59 birds representing large, continuous populations in Sweden and Russia; and from two centres in Poland breeding capercaillie. Microsatellite polymorphism at nine loci was then analysed to estimate within-population genetic diversity and genetic differentiation among populations. The results confirmed that isolation of populations and recent decreases in their sizes have reduced genetic diversity among capercaillie in Poland, with all the country’s natural populations found to be experiencing the genetic after-effects of demographic bottlenecks. The results of analyses of genetic differentiation and structure further suggest the presence of a 'lowland' cluster (encompassing birds of the Augustowska and Solska Primaeval Forests in Poland, and of Sweden and Russia), and a Carpathian cluster. Capercaillie from Sweden and Russia are also found to differ markedly. The Polish lowland populations seem more closely related to birds from Scandinavia. Our genetic analysis also indicates that the stocks at breeding centres are of a high genetic diversity effectively reflecting the origins of founder individuals, though identification of ancestry requires further study in the case of some birds.Overall, the results sustain the conclusion that the Polish populations of capercaillie from the Carpathians and the lowlands should be treated as independent Management Units (MUs). This is to say that the breeding lines associated with these two sources should be maintained separately at breeding centres. The high level of genetic differentiation of birds from the Solska Primaeval Forest suggests that this population should also be assigned the status of independent MU.

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Tetrao urogallus: BirdLife International

Cited by 2 publications

References 12 publications

Conservation genetics of the capercaillie in Poland – estimating the size of the Tatra National Park population by the genotyping of non-invasive samples

Conservation genetics of the capercaillie in Poland – estimating the size of the Tatra National Park population by the genotyping of non-invasive samples

Conservation genetics of the capercaillie in Poland - Delineation of conservation units

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