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Query: "keywords" (Corythucha arcuata) .

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1.
Poročilo o preskusu št.: LVG 2024-007 : vzorec št. 2024/00011/MdG
Maarten De Groot, 2024, expertise, arbitration decision

Keywords: varstvo gozdov, morfološke analize, Corythucha arcuata, hrastova čipkarka
Published in DiRROS: 31.01.2024; Views: 144; Downloads: 0

2.
Infestation intensity by the invasive oak lace bug, Corythucha arcuata (Say) in mixed and pure oak stands
Gernot Hoch, Alex Stemmelen, Eötvös Csaba Béla, Werner Hinterstoisser, Miran Lanšćak, Srđan Stojnić, Máté Tóth, Marjana Westergren, Simon Zidar, Milica Zlatković, Nikola Zoric, Maarten De Groot, 2024, original scientific article

Abstract: There has been accumulating evidence for effects of tree species composition on herbivory with many examples of lower damage by specialist feeders in tree species rich forests. In a joint study in five Central and Southeastern European countries, we studied the effect of tree species richness on infestation intensity of the oak lace bug, Corythucha arcuata (Say) (Heteroptera, Tingidae), an invasive pest on oak trees that has spread rapidly across the Balkan Peninsula and Central Europe. Intensity of infestation by C. arcuata on oaks was assessed on three or four study plots with high (pure stands) and three or four plots with low percentage of oak (mixed stands) in each country. Ordinal regression analysis showed that intensity of infestation of trees by C. arcuata differed between countries; no significant effect of stand type (mixed or pure) on infestation levels was detected. When analysing the percentage of trees in the highest infestation class, stand type had a significant effect with more intensive infestation in pure stands. We conclude that mixed stands will not prevent severe infestation but may help mitigating the impact of established C. arcuata populations.
Keywords: associational resistance, Corythucha arcuata, diversity, host tree concentration, invasive forest pest
Published in DiRROS: 14.11.2023; Views: 251; Downloads: 159
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3.
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Stanje, potencialni vplivi in možnosti obvladovanja hrastove čipkarke v hrastovih gozdovih v Sloveniji
Simon Zidar, Andreja Kavčič, Maarten De Groot, 2022, original scientific article

Abstract: Mineva šest let od prve najdbe invazivne tujerodne hrastove čipkarke (Corythucha arcuata) v Sloveniji, ki se že širi po vsej državi. V zadnjih letih je bilo ugotovljeno, da v slovenskih gozdovih gozdarji vrsto že prepoznavajo kot problematično. Negativni vplivi hrastove čipkarke se kažejo v rjavenju krošenj in zmanjšanju stopnje fotosinteze. Dolgoročni vplivi vrste na hraste in različne druge organizme, povezane s hrasti, pa še niso dobro raziskani. Trenutno potekajo tudi raziskave o možnostih zatiranja tega škodljivega organizma. Pripravili smo povzetek biologije, vplivov in raziskav o možnostih obvladovanja hrastove čipkarke. Za boljše razumevanje širjenja in vpliva hrastove čipkarke v slovenskih gozdovih vas vabimo k sodelovanju in sporočanju opažanj v informacijski sistem Invazivke (www.invazivke.si).
Keywords: varstvo gozdov, hrastova čipkarka, Corythucha arcuata, vpliv, gozdovi, hrast, invazivna tujerodna vrsta, Invazivke.si
Published in DiRROS: 17.10.2022; Views: 527; Downloads: 142
.pdf Full text (440,85 KB)

5.
Where to search: the use of opportunistic data for the detection of an invasive forest pest
Maarten De Groot, Nikica Ogris, Mark van der Meij, Michael J.O. Pocock, 2022, original scientific article

Abstract: Early detection is important for the management of invasive alien species. In the last decade citizen science has become an important source of such data. Here, we used opportunistic records from the “LIFE ARTEMIS” citizen science project, in which people submitted records from places where they observed tree pests, to understand the distribution of a rapidly-spreading forest pest: the oak lace bug (Corythucha arcuata) in Slovenia. These citizen science records were not distributed randomly. We constructed a species distribution model for C. arcuata that accounted for the biased distribution of citizen science by using the records of other tree pests and diseases from the same project as pseudo-absences (so-called constrained pseudo-absences), and compared this to a model with pseudo-absences selected randomly from across Slovenia. We found that the constrained pseudo-absence model showed that C. arcuata was more likely to be found in east, in places with more oak trees and at lower elevations, and also closer to highways and railways, indicating introduction and dispersal by accidental human transport. The outputs from the model with random pseudo-absences were broadly similar, although estimates from this model tended to be higher and less precise, and some factors that were significant (proximity to minor roads and human settlements) were artefacts of recorder bias, showing the importance of taking the distribution of recording into account wherever possible. The finding that C. arcuata is more likely to be found near highways allows us to design advice for where future citizen science should be directed for efficient early detection.
Keywords: Oak lace bug, ecological modelling, citizen science, invasive alien species, early detection, Corythucha arcuata
Published in DiRROS: 08.09.2022; Views: 462; Downloads: 232
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Hrastova čipkarka (Corythucha arcuata)
Andreja Kavčič, 2018, professional article

Keywords: poškodbe in varstvo gozdov, hrastova čipkarka, Corythucha arcuata, hrast, Quercus spp., drevesni listi
Published in DiRROS: 13.02.2018; Views: 3088; Downloads: 704
.pdf Full text (163,72 KB)

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