91. Biotic threats for 23 major non-native tree species in EuropeElisabeth Pötzelsberger, Martin M. Gossner, Ludwig Beenken, Anna Gazda, Michal Petr, Tiina Ylioja, Nicola La Porta, Dimitrios N. Avtzis, Elodie Bay, Maarten De Groot, Kristjan Jarni, Nikica Ogris, Marjana Westergren, 2021, original scientific article Abstract: For non-native tree species with an origin outside of Europe a detailed compilation of enemy species including the severity of their attack is lacking up to now. We collected information on native and non-native species attacking non-native trees, i.e. type, extent and time of first observation of damage for 23 important non-native trees in 27 European countries. Our database includes about 2300 synthesised attack records (synthesised per biotic threat, tree and country) from over 800 species. Insects (49%) and fungi (45%) are the main observed biotic threats, but also arachnids, bacteria including phytoplasmas, mammals, nematodes, plants and viruses have been recorded. This information will be valuable to identify patterns and drivers of attacks, and trees with a lower current health risk to be considered for planting. In addition, our database will provide a baseline to which future impacts on non-native tree species could be compared with and thus will allow to analyse temporal trends of impacts.
Published in DiRROS: 21.02.2022; Views: 609; Downloads: 683
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92. Preverjanje kratkoročnih napovedi sanitarnega poseka smreke in jelke zaradi podlubnikov v Sloveniji v 2021Nikica Ogris, Maarten De Groot, 2021, short scientific article Keywords: navadna smreka, Picea abies, bela jelka, Abies alba, sanitarni posek, napovedi, ogroženost, modeli, validacija, zmogljivost, zanesljivost, točnost, natančnost, AUC, občutljivost, specifičnost
Published in DiRROS: 14.12.2021; Views: 749; Downloads: 590
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96. Agricultural landscape affects sex-specific differences in the abundance of Drosophila suzukii in raspberry orchardsMaarten De Groot, Magda Rak Cizej, Andreja Kavčič, Špela Modic, Franček Poličnik, Nina Šramel, Primož Žigon, Jaka Razinger, 2022, original scientific article Abstract: In recent decades, the spotted wing Drosophila (SWD) (Drosophila suzukii), an invasive pest, has caused a great deal of damage to fruit crops. There is therefore an urgent need to develop strategies to control the populations of this species. It has been found that the landscape context can buffer or increase the severity of pest outbreaks in agriculture, and it is important to understand how this process works in SWD for all crops. Given this background, we investigated the influence of forest on SWD populations in raspberry orchards and surrounding agricultural land. We selected 10 locations in the central part of Slovenia, five of which were closer than 200 m from the forest edge and five of which were more than 200 m from the forest edge. We collected SWD adults in three habitat types per location from the end of June until the end of October 2020. The results showed that forest harboured a larger SWD population than orchards and agricultural land. Over the season, the number of individuals increased exponentially over time, and the difference between forest and other habitat types increased. The distance from the forest had a negative effect on the abundance of SWD. There was a difference in abundance observed between males and females, with males being less abundant farther away from the forest than females. However, the distance from the forest only had a negative effect on the abundance of females in September. Based on the results, we propose potential measures for the control of SWD in raspberry orchards.
Keywords: agricultural ecosystem, integrated pest management, invasive species, raspberry, spotted wing drosophila
Published in DiRROS: 15.11.2021; Views: 738; Downloads: 761
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97. Smrekovi podlubniki : spremljanje njihove številčnostiSimon Zidar, Andreja Kavčič, Marija Kolšek, Nikica Ogris, Maarten De Groot, 2021, other monographs and other completed works Keywords: smrekov podlubnik, režasta past, feromonska past, podlubniki, spremljanje, gozdarstvo, varstvo gozdov, napoved
Published in DiRROS: 11.11.2021; Views: 886; Downloads: 252
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98. Spremljanje smrekovih podlubnikov : pomen, metode in učinkovitostMaarten De Groot, Andreja Kavčič, Nikica Ogris, Marija Kolšek, 2021, other monographs and other completed works Keywords: smrekov podlubnik, režasta past, feromonska past, podlubniki, spremljanje, gozdarstvo, varstvo gozdov
Published in DiRROS: 11.11.2021; Views: 903; Downloads: 313
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100. Poročilo o preskusu št.: LVG 2021-347 : opis vzorca: Salix alba, les, lubje, sekanci, št. enot 2 : namen testiranja: sum na: Anoplophora glabripennisMaarten De Groot, Špela Planinšek, 2021, expertise, arbitration decision Keywords: varstvo gozdov, morfološke analize, Salix alba, bela vrba, Anoplophora glabripennis, azijski kozliček
Published in DiRROS: 29.10.2021; Views: 709; Downloads: 0 |
