1. Managing invasive alien species in forest corridors and stepping stonesGiuseppe Brundu, Maarten De Groot, Sabrina Kumschick, Jan Pergl, Katharina Lapin, 2025, samostojni znanstveni sestavek ali poglavje v monografski publikaciji Povzetek: Invasive alien species (IAS) pose a signiicant threat to forest ecosystems by disrupting ecological networks and competing with native species. Forest habitat patches and corridors designed to enhance connectivity and biodiversity can unintentionally promote the dispersal of IAS, further compromising the ecological integrity of the forest ecosystem. This chapter discusses two main aspects related to IAS and forest connectivity: (1) the spread of IAS in the landscape and their impacts on native species and (2) the consequences of IAS on forest connectivity. Effective management of IAS is crucial to improve connectivity for native species while restricting the spread opportunity for aliens and preserve biodiversity. Ideally, a site-speciic risk analysis should precede conservation or restoration efforts, determining the potential impact of IAS on the respective habitat patch’s structural and functional connectivity, and vice versa. Furthermore, this chapter explores management strategies to control IAS, including physical removal, biological control, and monitoring. Citizen involvement and remote sensing play vital roles in supporting management actions, IAS detection and long-term monitoring, and habitat connectivity. Including stakeholders such as forest owners and managers in such actions ensures a collaborative approach to safeguarding forest ecosystems from the threats posed by IAS. Ključne besede: forest health, invasive alien species Objavljeno v DiRROS: 09.06.2025; Ogledov: 113; Prenosov: 44
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2. Global Impacts Dataset of Invasive Alien Species (GIDIAS)Sven Bacher, Ellen Ryan-Colton, Mario Coiro, Phillip Cassey, Bella S. Galil, Martin A. Nuñez, Michael Ansong, Katharina Dehnen-Schmutz, Georgi Fayvush, Romina D. Fernandez, Maarten De Groot, 2025, izvirni znanstveni članek Povzetek: Invasive alien species are a major driver of global change, impacting biodiversity, ecosystem services, and human livelihoods. To document these impacts, we present the Global Impacts Dataset of Invasive Alien Species (GIDIAS), a dataset on the positive, negative and neutral impacts of invasive alien species on nature, nature’s contributions to people, and good quality of life. This dataset arises from the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services’ (IPBES) thematic assessment report of this topic. Data were compiled from published sources, including grey literature, reporting a direct observation of an invasive alien species’ impact. All impact records contain up to 52 fields of contextual information and attempt to link impacts to the global standard “environmental impact classification for alien taxa” (EICAT) and “socio-economic impact classification for alien taxa” (SEICAT). GIDIAS includes more than 22000 records of impacts caused by 3353 invasive alien species (plants, vertebrates, invertebrates, microorganisms) from all continents and realms (terrestrial, freshwater, marine), extracted from over 6700 sources. We intend GIDIAS to be a global resource for investigating and managing the variety of impacts of invasive alien species across taxa and regions. Ključne besede: invasive alien species Objavljeno v DiRROS: 02.06.2025; Ogledov: 154; Prenosov: 76
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3. A long-term ecological research data set from the marine genetic monitoring program ARMS-MBON 2018–2020Nauras Daraghmeh, Katrina Exter, Justine Pagnier, Piotr Balazy, Ibon Cancio, Giorgos Chatzigeorgiou, Eva Chatzinikolaou, Maciej Chelchowski, Borut Mavrič, 2025, izvirni znanstveni članek Povzetek: Molecular methods such as DNA/eDNA metabarcoding have emerged as useful tools to document the biodiversity of complex communities over large spatio-temporal scales. We established an international Marine Biodiversity Observation Network (ARMS-MBON) combining standardised sampling using autonomous reef monitoring structures (ARMS) with metabarcoding for genetic monitoring of marine hard-bottom benthic communities. Here, we present the data of our first sampling campaign comprising 56 ARMS units deployed in 2018–2019 and retrieved in 2018–2020 across 15 observatories along the coasts of Europe and adjacent regions. We describe the open-access data set (image, genetic and metadata) and explore the genetic data to show its potential for marine biodiversity monitoring and ecological research. Our analysis shows that ARMS recovered more than 60 eukaryotic phyla capturing diversity of up to ~5500 amplicon sequence variants and ~1800 operational taxonomic units, and up to ~250 and ~50 species per observatory using the cytochrome c oxidase subunit I (COI) and 18S rRNA marker genes, respectively. Further, ARMS detected threatened, vulnerable and non-indigenous species often targeted in biological monitoring. We show that while deployment duration does not drive diversity estimates, sampling effort and sequencing depth across observatories do. We recommend that ARMS should be deployed for at least 3–6 months during the main growth season to use resources as efficiently as possible and that post-sequencing curation is applied to enable statistical comparison of spatio-temporal entities. We suggest that ARMS should be used in biological monitoring programs and long-term ecological research and encourage the adoption of our ARMS-MBON protocols. Ključne besede: 18S rRNA, COI, essential biodiversity variables, European marine omics biodiversity observation network, genetic monitoring, invasive species, ITS Objavljeno v DiRROS: 18.04.2025; Ogledov: 243; Prenosov: 92
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4. New records of introduced species in the Mediterranean Sea (February 2025)Periklis Kleitou, Daryl Agius, Sencer Akalin, Marco Albano, Izdihar Ammar, Coşkun Menderes Aydin, Ernesto Azzurro, Ana Fortič, Valentina Pitacco, Petra Slavinec, 2025, izvirni znanstveni članek Povzetek: This Collective Article compiles information on nineteen (19) species recorded in seven (7) Mediterranean countries (Croatia, Cyprus, Italy, Malta, Slovenia, Syria, and Türkiye) and across four major sub-basins (Adriatic, Western, Central, and Eastern Mediterranean). The documented taxa represent eight (8) phyla: Annelida (four species), Arthropoda (three), Bryozoa (one), Chordata (two), Cnidaria (two), Mollusca (five), Chlorophyta (one), and Ochrophyta (one). Observations originated from both dedicated scientific surveys (including trawl sampling, van Veen grabs, and harbor-wall scraping) and citizen science initiatives by divers, shell collectors, and recreational fishers. Significant first records include Notomastus aberans (Slovenia), Paraprionospio coora (Italy), Polydora cornuta (Tyrrhenian Sea), Coleusia signata (Cyprus), Penaeus aztecus (Malta), Pleopis schmackeri (Syria), Pteragogus trispilus (Italy), Triacanthus biaculeatus (Türkiye), Oculina patagonica (Syria), and Watersipora subatra (Slovenia). In the Mollusca group, Conomurex persicus extends its known range westward to the Messina Strait (southern Italy), and Sepioteuthis lessoniana is recorded for the first time in Italian waters. Additional first reports for Türkiye include Alveinus miliaceus and Retusa desgenettii in the Turkish Levantine Sea. The species Uroteuthis (Photololigo) arabica represents a first record for the entire Mediterranean basin. Finally, Colpomenia peregrina (Chlorophyta) and Caulerpa taxifolia (Ochrophyta) highlight ephemeral “boom-and-bust” occurrences in Croatia, raising questions about transient invasive dynamics. These collective findings underscore the importance of coordinated monitoring efforts, inclusive of both scientific and citizen-based approaches, to better understand and manage marine biodiversity shifts in the Mediterranean. Ključne besede: invasive species, Mediterranean Sea, climate change Objavljeno v DiRROS: 08.04.2025; Ogledov: 230; Prenosov: 98
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5. Status of the invasive blue crab Callinectes sapidus Rathbun, 1896 (Brachyura: Portunidae) in SloveniaLovrenc Lipej, Manja Rogelja, 2021, izvirni znanstveni članek Povzetek: Authors present data regarding the presence of the invasive blue crab Callinectes sapidus Rathbun, 1896 (Brachyura: Portunidae) based on records gathered from local fishermen. This alien species was firstly recorded in Slovenian coastal waters in March 2019 and it was subsequently found in six other cases in 2019, 2020 and 2021. Crabs were collected or sighted in shallow coastal areas along the Slovenian coast. In addition, authors discussed about the status of the blue crab in marine and coastal habitats of Slovenia. Ključne besede: Adriatic Sea, invasive species, presence (bioloogy), Slovenia Objavljeno v DiRROS: 19.03.2025; Ogledov: 205; Prenosov: 448
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6. Economic costs of biological invasions in AsiaChunlong Liu, Christophe Diagne, Elena Angulo, Achyut-Kumar Banerjee, Chen Yifeng, Ross N. Cuthbert, Phillip Joschka Haubrock, Natalia I. Kirichenko, Zarah Pattison, Yuya Watari, Wen Xiong, Franck Courchamp, 2021, izvirni znanstveni članek Povzetek: Invasive species have caused severe impacts on biodiversity and human society. Although the estimation of environmental impacts caused by invasive species has increased in recent years, economic losses associated with biological invasions are only sporadically estimated in space and time. In this study, we synthesized the losses incurred by invasions in Asia, based on the most comprehensive database of economic costs of invasive species worldwide, including 560 cost records for 88 invasive species in 22 countries. We also assessed the differences in economic costs across taxonomic groups, geographical regions and impacted sectors, and further identified the major gaps of current knowledge in Asia. Reported economic costs of biological invasions were estimated between 1965 and 2017, and reached a total of US$ 432.6 billion (2017 value), with dramatic increases in 2000–2002 and in 2004. The highest costs were recorded for terrestrial ectotherms, for species estimated in South Asia, and for species estimated at the country level, and were related to more than one impacted sector. Two taxonomic groups with the highest reported costs were insects and mammals, and two countries with the highest costs were India and China. Non-English data covered all of 12 taxonomic groups, whereas English data only covered six groups, highlighting the importance of considering data from non-English sources to have a more comprehensive estimation of economic costs associated with biological invasions. However, we found that the estimation of economic costs was lacking for most Asian countries and for more than 96% of introduced species in Asia. Further, the estimation is heavily biased towards insects and mammals and is very limited concerning expenditures on invasion management. To optimize the allocation of limited resources, there is an important need to better and more widely study the economic costs of invasive alien species. In this way, improved cost reporting and more collaborations between scientists and stakeholders are needed across Asia. Ključne besede: economic damages, InvaCost, invasive alien species, monetary losses, non-English data, non-native species, Asia Objavljeno v DiRROS: 26.02.2025; Ogledov: 317; Prenosov: 215
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7. Economic costs of invasive alien species across EuropePhillip Joschka Haubrock, Anna Turbelin, Ross N. Cuthbert, Ana Novoa, Nigel G. Taylor, Elena Angulo, Liliana Ballesteros-Mejia, Thomas W. Bodey, César Capinha, Christophe Diagne, Natalia I. Kirichenko, 2021, izvirni znanstveni članek Povzetek: Biological invasions continue to threaten the stability of ecosystems and societies that are dependent on their services. Whilst the ecological impacts of invasive alien species (IAS) have been widely reported in recent decades, there remains a paucity of information concerning their economic impacts. Europe has strong trade and transport links with the rest of the world, facilitating hundreds of IAS incursions, and largely centralised decision-making frameworks. The present study is the first comprehensive and detailed effort that quantifies the costs of IAS collectively across European countries and examines temporal trends in these data. In addition, the distributions of costs across countries, socioeconomic sectors and taxonomic groups are examined, as are socio-economic correlates of management and damage costs. Total costs of IAS in Europe summed to US$140.20 billion (or €116.61 billion) between 1960 and 2020, with the majority (60%) being damage-related and impacting multiple sectors. Costs were also geographically widespread but dominated by impacts in large western and central European countries, i.e. the UK, Spain, France, and Germany. Human population size, land area, GDP, and tourism were significant predictors of invasion costs, with management costs additionally predicted by numbers of introduced species, research effort and trade. Temporally, invasion costs have increased exponentially through time, with up to US$23.58 billion (€19.64 billion) in 2013, and US$139.56 billion (€116.24 billion) in impacts extrapolated in 2020. Importantly, although these costs are substantial, there remain knowledge gaps on several geographic and taxonomic scales, indicating that these costs are severely underestimated. We, thus, urge increased and improved cost reporting for economic impacts of IAS and coordinated international action to prevent further spread and mitigate impacts of IAS populations. Ključne besede: bodiversity, insects, InvaCost, invasive species, European Union, monetary impacts, non-native biota, socio-economic correlates, socioeconomic sectors Objavljeno v DiRROS: 26.02.2025; Ogledov: 363; Prenosov: 181
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8. Economic costs of biological invasions in terrestrial ecosystems in RussiaNatalia I. Kirichenko, Phillip Joschka Haubrock, Ross N. Cuthbert, Evgeny Akulov, Elena Karimova, Yury Shneyder, Chunlong Liu, Elena Angulo, Christophe Diagne, Franck Courchamp, 2021, izvirni znanstveni članek Povzetek: Terrestrial ecosystems, owing to the presence of key socio-economic sectors such as agriculture and forestry, may be particularly economically affected by biological invasions. The present study uses a subset of the recently developed database of global economic costs of biological invasions (InvaCost) to quantify the monetary costs of biological invasions in Russia, the largest country in the world that spans two continents. From 2007 up to 2019, invasions costed the Russian economy at least US$ 51.52 billion (RUB 1.38 trillion, n = 94 cost entries), with the vast majority of these costs based on predictions or extrapolations (US$ 50.86 billion; n = 87) and, therefore, not empirically observed. Most cost entries exhibited low geographic resolution, being split between European and Asian parts of Russia (US$ 44.17 billion; n = 72). Just US$ 7.35 billion (n = 22) was attributed to the European part solely and none to the Asian part. Invasion costs were documented for 72 species and particularly insects (37 species). The empirically-observed costs, summing up to US$ 660 million (n = 7), were reported only for four species: two insects Agrilus planipennis Fairmaire and Cydalima perspectalis (Walker) and two plants Ambrosia artemisiifolia L. and Heracleum sosnowskyi Manden. The vast majority of economic costs were related to resource damages and economic losses, with very little reported expenditures on managing invasions in terrestrial ecosystems. In turn, agriculture (US$ 37.42 billion; n = 68) and forestry (US$ 14.0 billion; n = 20) were the most impacted sectors. Overall, we report burgeoning economic costs of invasions in Russia and identify major knowledge gaps, for example, concerning specific habitat types (i.e. aquatic) and management expenditures, as well as for numerous known invasive taxa with no reported economic costs (i.e. vertebrates). Given this massive, largely underestimated economic burden of invasions in Russia, our work is a call for improved reporting of costs nationally and internationally. Ključne besede: direct and indirect losses, insects, InvaCost, invasive species, pathogens, Russian Federation, weeds Objavljeno v DiRROS: 26.02.2025; Ogledov: 254; Prenosov: 113
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9. Tracing the invasion of a leaf-mining moth in the Palearctic through DNA barcoding of historical herbariaNatalia I. Kirichenko, Evgeny V. Zakharov, Carlos Lopez-Vaamonde, 2022, izvirni znanstveni članek Povzetek: The lime leaf-miner, Phyllonorycter issikii is an invasive micromoth with an unusually higher number of haplotypes in the invaded area (Europe, Western Siberia) compared to its putative native region (East Asia). The origin of the genetic diversity in the neocolonized region remains unclear. We surveyed over 15 thousand herbarium specimens of lime trees (Tilia spp.) collected across the Palearctic over a period of 252 years (1764–2016) looking for preserved larvae within the archival leaf mines. We found 203 herbarium specimens with leaf mines of Ph. issikii collected in East Asia, one of them dating back to 1830, i.e. 133 years before the description of the species. In contrast, only 22 herbarium specimens collected in the West Palearctic in the last three decades (1987–2015) carried leaf mines. DNA barcoding of archival specimens revealed 32 haplotypes out of which 23 were novel (not known from modern populations) and found exclusively in East Asia. Six haplotypes are shared between both native and invaded areas and only two were responsible for the recent invasion of the Western Palearctic. The remarkable number of newly discovered haplotypes in archival populations supports East Asia as the native region and the source area of invasion. Ključne besede: ecology, entomology, genetics, next-generation sequencing, zoology, invasive species Objavljeno v DiRROS: 26.02.2025; Ogledov: 238; Prenosov: 124
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10. Ongoing invasion and first parasitoid record of the North American leaf-mining moth Chysaster ostensackenella (Lepidoptera: Gracillariidae) in Primorsky Territory (Russia)Natalia I. Kirichenko, Nina A. Kolyada, Oksana V. Kosheleva, 2024, izvirni znanstveni članek Povzetek: The North American leaf-mining moth Chrysaster ostensackenella (Fitch, 1859) (Lepidoptera: Gracillariidae) is an invasive species newly documented in Russia in 2022 based on our findings in Primorsky Territory. The article provides data on its biology and distribution in the southern part of the region in 2023. A survey of Robinia pseudoacacia (a host plant) carried out in 12 distant settlements revealed widespread spread of Ch. ostensackenella: from the town of Spassk-Dalniy (44°36′N, 132°49′E) on the north to the village of Khasan (42°25′N, 130°38′E) on the south. Significant plant damage (>50% of leaves with the mines) was documented in the city of Artem and the village of Sinyi Gai, moderate (>25%) in Khasan, Bolshoi Kamen and Ussuriysk, and low damage (<10%) in other six settlements. Parasitism was recorded in two localities (Khasan and Slavyanka), reaching 22%. Altogether, six parasitoid adults (five females and one male) of Achrysocharoides chrysasteris Kamijo, 1990 (Hymenoptera: Eulophidae) were reared from the moth pupae. This East Asian parasitoid is a novel record for Russia, and its trophic association with the North American moth is a new to science. Diagnoses of the parasitoid genus and species are given, and the species male is newly described. Additionally, the illustrations of male and female of A. chrysasteris are provided. Ključne besede: Gracillariid, invasive alien species, Robinia pseudoacacia, the Russian Far East, distribution, parasitism, Achrysocharoides chrysasteris Objavljeno v DiRROS: 19.02.2025; Ogledov: 268; Prenosov: 141
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