uu.seUppsala University Publications
Change search
ReferencesLink to record
Permanent link

Direct link
Genetic impoverishment of the last Black grouse (Tetrao tetrix) population in the Netherlands
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Evolution.
Show others and affiliations
2008 (English)In: Molecular Ecology, ISSN 0962-1083, Vol. 17, no 8, 1897-1904 p.Article in journal (Refereed) Published
Abstract [en]

We have studied a small isolated population of black grouse (Tetrao tetrix) in the Netherlands to examine the impact of isolation and reduction in numbers on genetic diversity. We compared the genetic diversity in the last extant Dutch population with Dutch museum samples and three other black grouse populations (from England, Austria and Norway, respectively) representing isolated and continuous populations. We found significantly lower allelic richness, observed and expected heterozygosities in the present Dutch population compared to the continuous populations (Austria and Norway) and also to the historical Dutch population. However, using a bottleneck test on each population, signs of heterozygosity excess were only found in the likewise isolated English population despite that strong genetic drift was evident in the present Dutch population in comparison to the reference populations, as assessed both in pairwise F-ST and STRUCTURE analyses. Simulating the effect of a population reduction on the Dutch population from 1948 onwards, using census data and with the Dutch museum samples as a model for the genetic diversity in the initial population, revealed that the loss in number of alleles and observed heterozygosity was according to genetic drift expectations and within the standard error range of the present Dutch population. Thus, the effect of the strong decline in the number of grouse on genetic diversity was only detectable when using a reference from the past. The lack of evidence for a population reduction in the present Dutch population by using the program BOTTLENECK was attributed to a rapidly found new equilibrium as a consequence of a very small effective population size.

Place, publisher, year, edition, pages
2008. Vol. 17, no 8, 1897-1904 p.
Keyword [en]
black grouse, bottleneck, conservation biology, genetic variation, historical DNA, microsatellites, museum samples
National Category
Biological Sciences
URN: urn:nbn:se:uu:diva-93557DOI: 10.1111/j.1365-294X.2008.03717.xISI: 000254953900007OAI: oai:DiVA.org:uu-93557DiVA: diva2:167075
Available from: 2005-09-23 Created: 2005-09-23 Last updated: 2009-11-11Bibliographically approved
In thesis
1. Population Fragmentation and Genetic Variation in Grouse
Open this publication in new window or tab >>Population Fragmentation and Genetic Variation in Grouse
2005 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

In this thesis the genetic variation of two grouse species, the Chinese grouse (Bonasa sewersowi) and the Black grouse (Tetrao tetrix) was examined with neutral genetic markers: microsatellites. Habitat fragmentation and isolation leads to structuring among and loss of genetic variation within populations.

The Chinese grouse in a small population in Lianhuasan nature reserve was found to have undergone a population bottleneck and as a result of isolation and possible inbreeding showed genetic impoverishment hereof.

The Black grouse populations in Europe face various different conditions from widely distributed areas of suitable habitat in the northern and eastern parts of its range to highly naturally and anthropogenically fragmented habitat landscapes in the west.

Structure among populations was found in Great Britain where Wales, Scotland and England showed characteristics of three different genetic entities, indicating very little or no geneflow between these populations.

The Dutch population showed signs of loss of genetic variation as to be expected from a population that has historically decreased in population size from several thousands to tens of individuals in a matter of decades. However the possibility to spot signs of a bottleneck was impaired due to the short time-window in which this can be observed in a population with such a low effective population size (NE).

The sampled populations in Europe clustered into five different groups of genetic identities. The different clusters were: Great Britain-, the Netherlands-, Fenno-Scandian-, Alpine- and lowland German-Austrian populations. The level of genetic variation when compared over all these different populations decreased as a sign of isolation and small NE. However it was not feasible to separate the impact of these two factors.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2005. 37 p.
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 98
Biology, Bonasa sewerzowi, bottleneck, genetic drift, genetic variation, inbreeding, isolation, microsatellites, population structure, Tetrao tetrix, Biologi
National Category
Biological Sciences
urn:nbn:se:uu:diva-6006 (URN)91-554-6360-6 (ISBN)
Public defence
2005-10-21, Friessalen, Norbyvägen 14, Uppsala, 10:00
Available from: 2005-09-23 Created: 2005-09-23Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text
By organisation
Department of Ecology and Evolution
In the same journal
Molecular Ecology
Biological Sciences

Search outside of DiVA

GoogleGoogle Scholar

Altmetric score

Total: 210 hits
ReferencesLink to record
Permanent link

Direct link