Temat: population diversity - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Modern human origins and prehistoric demography of Europe in light of the present-day genetic diversity
Autorzy:: Zietkiewicz, E
Powiązania:: https://bibliotekanauki.pl/articles/2048309.pdf
Data publikacji:: 2001
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: European migration
human genetics
demography
phylogeography
demographic expansion
frequency distribution
population diversity
human evolution
Europe
Źródło:: Journal of Applied Genetics; 2001, 42, 4; 509-530
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Optimization of activated sludge storage before RNA isolation
Autorzy:: Cydzik-Kwiatkowska, A.
Wnuk, M.
Powiązania:: https://bibliotekanauki.pl/articles/81045.pdf
Data publikacji:: 2011
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: activated sludge
biomass
degradation
microbial activity
molecular technique
optimization
population diversity
RNA isolation
RNA molecule
total suspended solid
waste water treatment plant
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2011, 92, 1
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Genetic insights into ecological succession from oak- (Quercus robur L.) to beech- (Fagus sylvatica L.) dominated forest stands
Autorzy:: Sandurska, Elzbieta
Ulaszewski, Bartosz
Burczyk, Jaroslaw
Powiązania:: https://bibliotekanauki.pl/articles/952030.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: nature reserve
ecological succession
genetic diversity
effective population size
fagus
sylvatica
quercus robur
Opis:: Genetic diversity is often considered a major determinant of long term population persistence and its potential to adapt to variable environmental conditions. The ability of populations to maintain their genetic diversity across generations seems to be a major prerequisite for their sustainability, which is particularly important for keystone forest tree species. However, little is known about genetic consequences of demographic alterations occurring during natural processes of ecological succession involving changes in the species composition. Using microsatellites, we investigated genetic diversity of adult and offspring generations in beech (Fagus sylvatica L.) and oak (Quercus robur L.) populations coexisting in a naturally established old-growth forest stand, showing some symptoms of ongoing ecological succession from oak- to beech- dominated forest. In general, adult generations of both species exhibited high levels of genetic diversity (0.657 for beech; 0.821 for oak), which, however, depended on the sets of selected genetic markers. Nevertheless, several symptoms such as differences in genetic diversity indices between generations, significant levels of inbreeding (up to 0.029) and low estimates of effective population size (48–80) confirmed the declining status of the oak population. On the other hand, the uniform distribution of genetic diversity indices across generations, low levels of inbreeding (0.004), low genetic differentiation among adults and offspring and, most importantly, large estimates of effective population size (119–716), all supported beech as a successive and successful tree species in the studied forest stand.
Źródło:: Acta Biologica Cracoviensia. Series Botanica; 2017, 59, 1
0001-5296
Pojawia się w:: Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:: Biblioteka Nauki

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