Juzenas Sigitas

• Lecturer at Vilnius University

Meadow restoration and creation projects have faced a lack of local seed diversity due to the limited availability of seed sources. Non-thermal plasma technologies are being developed for agriculture and do not cause damage to heat-sensitive biological systems. This technology has shown the potential to improve agronomic seed quality by enhancing g...

Sarcosoma globosum (Pezizales, Ascomycota) is a rare and endangered fungus, and it is believed to be extinct in most central European countries. Known records of S. globosum in Lithuania reveal that it is situated on the south-western edge of a shrinking geographical distribution range in Europe. An assessment of the species’ current habitat condit...

In the last decade, the American cherry fruit Rhagoletis cingulata has become an important pest of cherry crops in many temperate regions of Europe. Native to North America, this fruit fly species was introduced in Europe in the 1980s. It was first described in Switzerland in 1983, and since then populations have been detected in the Netherlands, H...

Local adaptation may facilitate range expansion during invasions, but the mechanisms promoting destructive invasions remain unclear. Cheatgrass ( Bromus tectorum ), native to Eurasia and Africa, has invaded globally, with particularly severe impacts in western North America. We sequenced 307 genotypes and conducted controlled experiments. We found...

Understanding the growth dynamics of spore-bearing clonal plant sporophytes and the influence of abiotic and biotic factors is crucial for predicting the persistence of club moss populations and implementing effective habitat management techniques. Despite this, the longevity and development of club-moss populations are rarely studied. This study a...

We present data on rare Vertiginidae, listed under Annex II of the Habitats and Species Directive [92/43/EEC], sites found in 2021 in Lithuania, supplementing them with unpublished data from previous years. In 2019 and 2020, V. geyeri was found in 46 localities, of which 43 were new records for Lithuania (Skujienė et al., 2019; 2020). Other Vertigi...

Hydroseeding is a convenient, low-cost way to plant seeds. Traditionally, fast-growing commercial species that are cheap to obtain are preferred in hydroseeding, while native species have limited use. Nowadays, the use of native species is often desired in revegetation projects. However, there is a paucity of information about hydroseeding native s...

In 2019, during inventory, Vertigo geyeri was found in 23 localities: three localities (Paburgė, Varniai, Velėnija) were revised, other 20 – are new records for Lithuania. V. geyeri was present in 23 surveyed localities, 74% of them had complexes of wetland habitats with the presence of 7230 habitat (Alkaline fens). V. geyeri was less abundant in l...

Veteran oaks, a habitat for numerous species, are getting scarce in whole Europe. Hermit beetle (Osmoderma eremita), living in hollows of such trees, is known as indicator and umbrella specie and has the highest conservation priority in European Union habitat directive. The aim of the study was to investigate hermit beetle relations with epiphytic...

The macromycete Sarcosoma globosum (Pezizales, Ascomycota) has been included in the IUCN Red List of Threatened Species since the year 2015 (category Near Threatened). Currently the global population of this species exhibit the decreasing trend, and is mainly threatened by deforestation of old-growth Picea abies habitats. This species is listed in...

2016 m. buvo ištirtos 9 pelkinės uolaskėlės populiacijos. Darbe pateikiamas S. hirculus populiacijų būklės pokyčio įvertinimas, lyginant su 2006 m. Apibendrinama saugomų teritorijų administracijų pateikta informacija apie dešimties metų laikotarpyje taikytų gamtotvarkos priemonių dažnumą. Tirtos vietovės sugrupuotos taip: pirma grupė – priemonės ta...

Pietų Lietuvoje, Dainavos lygumoje vyraujantys grynieji pušynai sausašiliai pasižymi lėta rūšių kaita, tačiau sutrikdytuose šio tipo miškuose stebimi gana ryškūs augalijos pokyčiai. Šio tyrimo tikslas buvo įvertinti induočių, samanų ir kerpių bendrijų pokyčius plynose ir atvejinėse kirtavietėse, jaunuolynuose ir miškuose, ypatingą dėmesį skiriant p...

In August 2015 at Neris Regional Park Sviliškių Landscape Reserve was observed atypical vegetative shoots of horsetail in Equisetum telmateia Ehrh. population. 43 shoots of 3 different phenotypes that grew near one another were collected at random. The aim of this research was to identify taxa of these three phenotypes. After 15 taxonomically impor...

Fourteen thermokarst lakes and one mountain lake were explored in the study period. A total of 116 species of desmids belonging to 22 genera were identified. The genera Cosmarium (29), Staurastrum (18) and Closterium (13) were most abundant. The highest number of species (88) was recorded in the habitats with Sphagnum and brown mosses. Twenty-seven...

Based on published and field research data 45 species of saprobic and mycorrhizal macromycetes (9 of Ascomycota and 36 of Basidiomycota) were recorded from ten localities of Sarcosoma globosum, a strictly protected fungal species in Lithuania. The guild of soil macromycetes, which inhabited forest litter, soil, buried wood and decayed wood that bar...

Thirty-eight accessions of red fescue (Festuca rubra L.), collected from different bioclimatic regions of Ukraine and Latvia, were evaluated for 16 quantitative traits in the Central Lowland of Lithuania. The research was aimed to evaluate morpho-anatomical traits of the populations and reveal the relationship with their geographic origin. The data...

Habitats and conservation of endangered fungus Sarcosoma globosum in Lithuania Ernestas Kutorga, Sigitas Juzėnas, Evelina Gorbikova Vilnius University, Department of Botany and Genetics, M. K. Čiurlionio Str. 21/27, LT-03101 Vilnius, Lithuania Rare and endangered species Sarcosoma globosum (Ascomycota) is listed in the Red Data Book of Lithuania...

The early post-fire development of mycobiota following a crown fire in mountain pine plantations and a surface fire in Scots pine plantations, and in the corresponding unburnt stands in the coastal sand dunes of the Curonian Spit in western Lithuania was investigated. Species numbers in unburnt Pinus mugo and Pinus sylvestris stands showed annual f...

The objective of this study was to evaluate the effects of wildfire and subsequent forest management on the diversity and functional community structure of fungi during early stage of succession in the coastal sand dunes of the Curonian Spit in Lithuania. 12 permanent study plots were established in multiple forest areas: burnt, not managed (B); bu...

Polypodium vulgare L. is a perennial evergreen rhizomatous fern of family Polypodiaceae (Bercht.etJ.Presl.). The state of P. vulgare is considered to be rare or fairly rare in Lithuania. The ecological and botanico-geographical status of P.vulgare in Lithuania might be critical as this fern appears to be an oceanic–suboceanic spe-cies whose habitat...

Archaic ferns of the Ophioglossaceae family are rare in Europe. Recently a rapid decline of those ferns has been observed in many countries. Unfortunately, the demographic structure of Ophioglossaceae fern populations is poorly understood. Two groups of sporophyte developmental phases were distinguished in the study of Botrychium lunaria (L.) Sw. p...

Introduction Primula farinosa L. (Figure 1) is a postglacial relic, distributed in Europe from central Sweden to cen-tral Spain and Bulgaria, protected in many European countries. This plant has decreased strongly in abundance during the last century. Typical habitats of P. farinosa are calcareous fens but often new populations of this protected pl...