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    Floristika na raziskovalnih taborih študentov biologije

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    The article is a review of floristic results of the first 10 Student Biology Research Camps organized in the territory of Slovenia (1988-1998). The author\u27s view on the botanical and pedagogic objectives of floristic activities carried out within the Research Camps is presented. Methodological development of floristic work is also briefly sketched, while the most important results are presented in a table with the most outstanding records as well as with numerical scores of the mapping of vascular plants. Plans for the floristic work in the future are based on the critical evaluation and discussion of the results presented herewith.Članek predstavlja sumarni pregled rezultatov delovanja florističnih skupin na prvih 10 raziskovalnih taborih študentov biologije, organiziranih v Sloveniji (1988-1998). V uvodnem delu avtor razpravlja o pedagoških in strokovnih ciljih tovrstnega delovanja, nato je na kratko predstavljen razvoj delovnih metod na taborih, najpomembnejši rezultati pa so prikazani tabelarno s seznami pomembnih najdb in z numeričnimi rezultati kartiranja flore. Na podlagi ugotovitev so podane smernice za delo v prihodnje

    Morphometric recognition of Hordeum murinum L. subspecies in Slovenia

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    Morphometric analysis of Slovenian material belonging to Hordeum murinum ssp. leporinum and type subspecies confirmed some of already reported distinguishing characters, but majority of them were not measured precisely before. After revision of herbarium material based on results, about 9% of sheets are still somehow »intermediate«, H. murinum ssp. leporinum is more common in Submediterranean part with some scaterred populations in continental Slovenia and the type subspecies occurr all over Slovenia in lowland ruderal places. Detailed determination key is provided based on results

    Natura Sloveniae

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    Vol. 3 No. 2 (2001)Kazalo vsebine Nejc JOGAN: Floristika na raziskovalnih taborih študentov biologije / FLORISTICS WITHIN THE STUDENT BIOLOGY RESEARCH CAMPS Božo FRAJMAN & Cene FIŠER: Prispevek k poznavanju opraševalcev vrst Euphobia nicaeensis All. in E. lucida W. & K. / A CONTRIBUTION TO THE KNOWLEDGE OFEUPHORBIA NICAEENSIS ALL. AND E. LUCIDA W. & K. POLLINATORS Cene FIŠER & Rok KOSTANJŠEK: Prispevek k poznavanju favne pajkov skakačev v Sloveniji (Araneae, Salticidae) / A CONTRIBUTION TO THE KNOWLEDGE OF THE JUMPING SPIDERS FAUNA IN SLOVENIA (ARANEAE, SALTICIDAE) Klemen KOSELJ & Nataša AUPIČ: Prispevek k poznavanju favne netopirjev (Mammalia: Chiroptera) vzhodne Slovenije / A CONTRIBUTION TO THE KNOWLEDGE OF BAT FAUNA (MAMMALIA: CHIROPTERA) OF EASTERN SLOVENI

    Natura Sloveniae

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    Vol. 1 No. 1 (1999)Kazalo vsebine Scientific paper A contribution to the knowledge of flora in the vicinity of Ormož (eastern Slovenia): Nejc Jogan, Tinka Bačič, Branko Vreš A faunistic-ecological contribution to the knowledge of the spider fauna of north-eastern Slovenia (Arachnida: Araneae): Matjaž Kuntner A contribution to the knowledge of the dragonfly fauna of broader area along Drava R. between Ptuj and Središče ob Dravi: Matjaž Bedjanič, Alja Pirnat, Ali Šalamun A contribution to the knowledge of amphibian fauna of north-eastern Slovenia: Aleksandra Lešnik, Katja Poboljšaj Other Editorial: Rok Kostanjšek, Aleksandra Lešnik, Matjaž Bedjani

    Kdaj je Buddleja davidii postala v Sloveniji invazivna?

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    Butterfly-bush (Buddleja davidii) is globally widespread invasive alien plant that originates in China. In Slovenia, a switch from benign naturalized plant to invasiveness occurred just recently, so in the last decade it has been spreading rapidly in the sense of geography and also forming viable competitively strong populations in (semi-)natural habitat types such as abandoned quarries, rocky slopes and river banks. In the article its spreading is presented with some older overlooked records and several new records that more than double our knowledge of the species’ distribution in Slovenia. These data strongly confirm that it can be recognized as invasive alien species also in Slovenia, owing to its successful spread to natural habitat types in several parts of the country in the last decade.Metuljnik (Buddleja davidii) je po vsem svetu razširjena invazivna rastlina, ki izvira s Kitajske. V Sloveniji je do prehoda iz neškodljive naturaliziranosti v invazivnost prišlo šele nedavno, tako da se v zadnjem desetletju vrsta intenzivno širi v geografskem smislu in na več mestih oblikuje konkurenčno močne populacije v (pol)naravnem okolju opuščenih kamnolomov, skalovja in obrečnih prodnatih bregov. V članku je predstavljeno njeno širjenje s starimi spregledanimi kot tudi številnimi novimi podatki, ki več kot podvojijo vednost o njen razširjenosti v Sloveniji. Podatki potrjujejo, da je tudi na območju Slovenije vrsta zanesljivo invazivna, saj se vsaj zadnje desetletje širi tudi na naravna rastišča na več koncih države

    Rumex thyrsiflorus Fingerh., nova biljna vrsta za floru Hrvatske

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    Rumex thyrsiflorus has been recorded for the first time in the territory of Croatia. Several localities have been found around Varaždin (N Croatia). Its occurrence in this region can be explained by the expansion of its area of distribution from the central Europe towards the south. Superficially it is quite similar to R. acetosa from which it can be easily distinguished by its longer tap-root, narrower and longer leaf blades and denser inflorescence.Rumex thyrsiflorus has been recorded for the first time in the territory of Croatia. Several localities have been found around Varaždin (N Croatia). Its occurrence in this region can be explained by the expansion of its area of distribution from the central Europe towards the south. Superficially it is quite similar to R. acetosa from which it can be easily distinguished by its longer tap-root, narrower and longer leaf blades and denser inflorescence

    One year spread and insight into ecology of invasive Impatiens glandulifera in Ljubljansko barje area (Central Slovenia)

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    Impatiens glandulifera Royle (Himalayan balsam) is an annual plant, native to humid parts of the Himalayas. Brought to Europe in the XIX century, it has since successfully naturalized and spread throughout the continent, becoming one of the best-known invasive plants. Even though it has been thoroughly studied by many authors, some aspects of its biology and ecology remain unclear and debatable, such as its spreading dynamics, negative impacts in invaded ecosystems and ecological adaptability regarding moisture, nutrients, and light. This 2019 field study from the Ljubljana Marsh (Slovenia) has proved that Himalayan balsam successfully develops under mesophilic conditions, where it easily compensates moderate deviations from its ecological optimum. The species thrives in riparian zones, out-competing native vegetation, trait shown as potentially the biggest negative impact of chosen species in this context. This study additionally gave us a different insight into - usually highly emphasized - dynamics of species’ spreading. Spreading was not either dependent on hydrochory or as drastic as mentioned in literary sources, giving it a secondary role in species’ invasiveness on the chosen area. Lastly, we proposed rough estimates of eradication expenses for given area, based on our field results of species’ abundance and distribution on chosen area

    Velika kozja brada Tragopogon dubius Scop. (Asteraceae): potrditev dvomljivih navedb o uspevanju vrste v osrednji Sloveniji

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    Tragopogon dubius is a species native to SW Slovenia and with several dubious records in central and eastern parts of the country. Its locus classicus is in SW Slovenia at Senožeče, but there is a slight doubt about the type description as no herbarium material has been preserved. All records (and herbarium vouchers in University of Ljubljana’s (LJU) collection) of the species from continental Slovenia have been critically assessed, but none of them has proved to be reliable. Three new recently discovered records linked to the railways in central and E Slovenia are presented and discussed.Tragopogon dubius je v submediteranskem delu Slovenije avtohtona vrsta s peščico nezanesljivih navedb o njenem pojavljanju v osrednji in vzhodni Sloveniji. Njeno klasično nahajališče je pri Senožečah, a še vedno obstaja rahel dvom o ustreznosti imena, saj ni ohranjen Scopolijev herbarijski material. Vse starejše navedbe, skupaj s herbarijskim materialom v herbarijski zbirki Ljubljanske univerze (LJU), o pojavljanju vrste v kontinentalnem delu Slovenije so bile kritično pregledane in prav nobena izmed njih se ni pokazala kot zanesljiva. Dodane pa so tri nove nedavne najdbe ob železnici v osrednji in vzhodni Sloveniji
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