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| Content Provider | Springer Nature Link |
|---|---|
| Author | Danusevicius, Darius Kerpauskaite, Vilma Kavaliauskas, Darius Fussi, Barbara Konnert, Monika Baliuckas, Virgilijus |
| Copyright Year | 2016 |
| Abstract | The objective of this study was to estimate the effect of pre-commercial tending and commercial thinning on the genetic diversity parameters, especially rare allele loss and diameter–heterozygosity associations, in Scots pine stands by retrospectively modelling the removal of inferior/superior trees. Modelling was based on empirical data of DNA polymorphism in (a) a 60-year-old natural stand and (b) a 20-year-old young stand planted with seeds collected in a seed orchard. Within each of these stands, approximately 400 trees were systematically sampled within 1-ha plots (800 trees in total) and genotyped at 5 neutral and 7 EST-derived nuclear microsatellite markers. There was no significant association between heterozygosity, common allele number and tree diameter in either stand. Even at a high intensity, both simulated tending and commercial thinning had minor effects on the heterozygosity and allelic diversity but caused a significant loss of rare alleles. However, there was a nonlinear relationship between the loss of rare alleles and the thinning intensity in the young stand, such that below 30 % thinning intensity, the rare alleles were lost at a markedly lower rate. In conclusion, the association between commercial value and genetic diversity is weak in Scots pine. Thinning causes loss of rare alleles; however, for specific cases, it could be possible to identify the margins for a slow rate of rare allele loss. |
| Starting Page | 1159 |
| Ending Page | 1174 |
| Page Count | 16 |
| File Format | |
| ISSN | 16124669 |
| Journal | Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch |
| Volume Number | 135 |
| Issue Number | 6 |
| e-ISSN | 16124677 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-10-04 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Forest management Heterozygosity Inbreeding Pinus sylvestris Rare alleles Microsatellites Forestry Plant Sciences Plant Ecology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Forestry |
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