Journal of Forest Science, 2021 (vol. 67), issue 9

Finding an imprint of solar and climatic cycles in tree rings of European beech (Fagus sylvatica L.)Original Paper

Václav Šimůnek, Vojtěch Hájek, Anna Prokůpková, Josef Gallo

J. For. Sci., 2021, 67(9):409-419 | DOI: 10.17221/94/2020-JFS  

The present study is focused on European beech (Fagus sylvatica L.) growth in eastern Bohemia in the Broumovské stěny National Nature Reserve, Czech Republic. The objective of this research was to develop an evaluation of European beech radial growth in relation to solar activity (number of sunspots), air temperature in the growing season, annual precipitation and air pollution (SO2 depositions). The highest positive significant correlation coefficient was found between radial growth of European beech and number of sunspots, followed by the correlation with air temperature in the growing season. The radial growth showed a negative significant...

Identification and genetic diversity of Acer ibericum (Aceraceae) in South CaucasusOriginal Paper

Juraj Paule, Nani Goginashvili, Irina Tvauri, Ladislav Paule, Ekaterine Gabashvili, Mamuka Kotetishvili, Nato Kobakhidze

J. For. Sci., 2021, 67(9):420-426  

Internal transcribed spacer (ITS) sequence was tested in Acer ibericum for its suitability as a barcoding as well as population genetic marker. The marker was reliably used to identify A. ibericum as well as to gain preliminary insights into the genetic diversity of Georgian populations. MegaBLAST searches of studied samples against the GenBank database revealed that all studied accessions could be considered Acer ibericum. Populations from Vashlovani National Park revealed the presence of unique ribotypes, and together with the population from Shavi Mountain, they were identified as the most genetically diverse ones. Based on presented...

The effect of low-intensive coherent seed irradiation on germinant growth of Scots pine and sugar beetOriginal Paper

Arthur Novikov, Igor Bartenev, Olga Podvigina, Olga Nechaeva, Denis Gavrin, Vladimir Zelikov, Tatyana Novikova, Vladan Ivetić

J. For. Sci., 2021, 67(9):427-435 | DOI: 10.17221/56/2021-JFS  

The success of forest and agricultural plant establishment program mainly depends on the quality of reproductive material. The study intends to offer engineers and farm owners a solution for small-size seed improvement before sowing. The effect of low-intensity coherent light on the seeds of various crops is theoretically and empirically hypothesized. The seedlots of Scots pine (Pinus sylvestris L.) and sugar beet (Beta vulgaris L.) of Russian diploid hybrid RMS-127 were germinated in a controlled environment. The germinants were produced from six seed fractions, previously irradiated with 1.274 W.m-2 at the 632.8 nm wavelength...

Woodland key habitat contribution to preserve biological diversity in Lithuania: assessing the difference between 2005 and 2017Original Paper

Indré Ruškyté, Gediminas Brazaitis, Michael Manton, Žydrunas Preikša

J. For. Sci., 2021, 67(9):436-448 | DOI: 10.17221/64/2021-JFS  

In response to the degradation of forest ecosystems, their habitats and the loss of species, many formal conservation policies and voluntary forest conservation tools have been proposed and implemented. The woodland key habitat (WKH) is one such initiative that aims to protect biodiversity. This generally involves two key actions: (i) the creation of policy (conservation action) and (ii) the consequences of the policy or initiative in the field. However, the final step of measuring their success in the field is often missing. The aim of this study is to assess the contribution of the WKH initiative to conserve biodiversity in Lithuania....