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Procjena populacije Ips sexdentatus s obzirom na ulov u feromonskim klopkama i njihove štetnosti u ne-epidemijskim uvjetima

dc.contributor.authorÖzcan, Gonca Ece
dc.date.accessioned2026-01-02T23:55:53Z
dc.date.issued2017-01-01
dc.description.abstractOne of the most important factors of natural balance in the forests are insects, which are a part of ecological diversity. Being in a constant change, forest ecosystems are affected by bark beetles in low level or wide ranged ratios. The pressure of Ips sexdentatus, one of the most important pests of conifer forests and principal species of Turkey, can be at a sensible level from time to time. In this study, it was determined that the beetles carry out two flights in the region, first flight starts around the beginning of May, this period continues until mid-June, second flight starts around mid-June and continues until the beginning of September. The number of beetles captured by the traps in the first and second flight period were statistically different and, also the average number of beetles in first period were more than second period. When the results of pheromone trap capturing were evaluated monthly, it was seen that the averages of June, July and August were not statistically different, meanwhile May average was statistically different from other months. No significant difference were found between the averages of I. sexdentatus captured by the pheromone traps in sunny and shaded aspect. No dying due to beetle damage was found on the trees in the study area after the flight of beetles, however, the damage ratio of the beetle was identified as 16.38% in a hectare. A statistically significant difference was found between the specified diameter classes in terms of beetle damage.
dc.description.abstractJedan od najvažnijih čimbenika prirodne ravnoteže u šumama su insekti, koji čine dio ekološke raznolikosti. Pod utjecajem stalnih promjena, šumski su ekosustavi pod utjecajem kukaca potkornjaka na niskoj razini ili velikom prostoru. Pritisak Ips sexdentatus, jedne od najvažnijih štetočina u crnogoričnim šumama te glavne vrste u Turskoj, može s vremena na vrijeme biti na osjetljivoj razini. Ovom je studijom otkriveno da kukci odrade dva leta u regiji, prvi let započinje početkom svibnja, nastavlja se do sredine lipnja, dok drugi započinje sredinom lipnja i nastavlja se do početka rujna. Broj uhvaćenih kukaca u mamcima tijekom prvog i drugog perioda leta bio je statistički različit, te je prosječan broj kukaca u prvom periodu bio veći od broja kukaca u drugom periodu. Kada su se rezultati uhvaćenih kukaca u feromonske mamce procijenili na mjesečnoj razini, uočilo se da nema statističkih razlika između lipnja, srpnja i kolovoza, dok se prosječan broj za svibanj statistički razlikovao od drugih mjeseci. Nije pronađena značajna razlika između prosjeka broja I. sexdentatus uhvaćenih feromonskim mamcima na suncu i u sjeni. Nije otkriveno odumiranje na stablima promatranog područja zbog štete od kukaca nakon njihova leta, no, identificiran je omjer štete od kukaca od 16,38% po hektaru. Pronađena je statistički značajna razlika između određenih klasa prema promjeru vezano za štetu od kukaca.
dc.description.urihttps://hrcak.srce.hr/file/259352
dc.description.urihttps://hrcak.srce.hr/file/259353
dc.description.urihttps://doi.org/10.31298/sl.141.1-2.5
dc.description.urihttps://hrcak.srce.hr/175790
dc.identifier.eissn1846-9140
dc.identifier.issn0373-1332
dc.identifier.openaireod_______951::911ba3217b0d9468819bf23cdc66d513
dc.identifier.urihttps://hdl.handle.net/20.500.12597/36363
dc.identifier.volume141
dc.language.isohrv
dc.publisherCroatian Forestry Society
dc.relation.ispartofŠumarski list
dc.rightsOPEN
dc.subjectgustoća populacije
dc.subjectferomonski mamac
dc.subjectpheromone trap
dc.subjectšteta
dc.subjectIps sexdentatus
dc.subjectbark beetle
dc.subjectkukci potkornjaci
dc.subjectpopulation density
dc.subjectdamage
dc.subject.sdg15. Life on land
dc.titleProcjena populacije Ips sexdentatus s obzirom na ulov u feromonskim klopkama i njihove štetnosti u ne-epidemijskim uvjetima
dc.typeArticle
dspace.entity.typePublication
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In this study, it was determined that the beetles carry out two flights in the region, first flight starts around the beginning of May, this period continues until mid-June, second flight starts around mid-June and continues until the beginning of September. The number of beetles captured by the traps in the first and second flight period were statistically different and, also the average number of beetles in first period were more than second period. When the results of pheromone trap capturing were evaluated monthly, it was seen that the averages of June, July and August were not statistically different, meanwhile May average was statistically different from other months. No significant difference were found between the averages of I. sexdentatus captured by the pheromone traps in sunny and shaded aspect. No dying due to beetle damage was found on the trees in the study area after the flight of beetles, however, the damage ratio of the beetle was identified as 16.38% in a hectare. A statistically significant difference was found between the specified diameter classes in terms of beetle damage.","Jedan od najvažnijih čimbenika prirodne ravnoteže u šumama su insekti, koji čine dio ekološke raznolikosti. Pod utjecajem stalnih promjena, šumski su ekosustavi pod utjecajem kukaca potkornjaka na niskoj razini ili velikom prostoru. Pritisak Ips sexdentatus, jedne od najvažnijih štetočina u crnogoričnim šumama te glavne vrste u Turskoj, može s vremena na vrijeme biti na osjetljivoj razini. Ovom je studijom otkriveno da kukci odrade dva leta u regiji, prvi let započinje početkom svibnja, nastavlja se do sredine lipnja, dok drugi započinje sredinom lipnja i nastavlja se do početka rujna. Broj uhvaćenih kukaca u mamcima tijekom prvog i drugog perioda leta bio je statistički različit, te je prosječan broj kukaca u prvom periodu bio veći od broja kukaca u drugom periodu. Kada su se rezultati uhvaćenih kukaca u feromonske mamce procijenili na mjesečnoj razini, uočilo se da nema statističkih razlika između lipnja, srpnja i kolovoza, dok se prosječan broj za svibanj statistički razlikovao od drugih mjeseci. Nije pronađena značajna razlika između prosjeka broja I. sexdentatus uhvaćenih feromonskim mamcima na suncu i u sjeni. Nije otkriveno odumiranje na stablima promatranog područja zbog štete od kukaca nakon njihova leta, no, identificiran je omjer štete od kukaca od 16,38% po hektaru. 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