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- aggregation classification "A1".
- aggregation creator B338216.
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- aggregation creator person.
- aggregation creator person.
- aggregation date "2011".
- aggregation format "application/pdf".
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- aggregation isPartOf urn:issn:0378-2697.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Biology and Life Sciences".
- aggregation title "Genetic structure in peripheral Western European populations of the endangered species Cochlearia pyrenaica (Brassicaceae)".
- aggregation abstract "Cochlearia pyrenaica is one of the most endangered plant species in Europe, listed in many European and regional conservation policy documents (e.g. Spain, France, Belgium, Switzerland). To study its genetic structure, define its conservation units and propose a management strategy for this species, amplified fragment length polymorphism markers were used to analyse the genetic diversity within and between five representative populations of the species distribution in Western Europe (Cantabrian Range, North of Spain; Pyrenees, France; Wallonia, Belgium). Low levels of genetic diversity were revealed by the population percentage of polymorphic bands (PPB = 36.56%), average within-population diversity (H (S) = 0.0990) and genetic diversity within populations (H (pop) = 0.1541), although high levels were reported at species level (PPB = 81.16%; total genetic diversity for the species, H (T) = 0.0990; and genetic diversity within whole species, H (sp) = 0.2515). The coefficient of genetic differentiation among populations (G (ST)) was 0.3869. The analysis of Shannon diversity index in population and for the total data set partitioned (38.72%) and AMOVA (53%) detected a high level of interpopulation diversity, in broad agreement with the result of genetic differentiation analysis. NeighborNet network and principal coordinate analyses clustered the populations in three major groups congruent with geographical regions. Bayesian clustering also confirmed these three distinct genetic clusters. The level of gene flow (Nm) was estimated as 0.3961 individuals per generation among populations, with the genetic identity (I) and genetic distance (D) among populations ranging from 0.8679 to 0.9651 and from 0.0355 to 0.1417, respectively. Therefore, the low levels of genetic variation and high divergence of regional gene pools indicate that there is a need to protect each disjunct region of Western Europe.".
- aggregation authorList BK635357.
- aggregation endPage "85".
- aggregation issue "1-2".
- aggregation startPage "75".
- aggregation volume "297".
- aggregation aggregates 1939244.
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