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    Can attractant combined yellow sticky traps be used integrated pest management of invasive chestnut gall wasp [Dryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae)]?
    (Springer Int Publ Ag, 2025) Sarikaya, Oguzhan; Gencal, Tutku; Kadiogullari, Ali Ihsan; Yildiz, Yafes; Sarikaya, Ayse Gul; Gencal, Burhan; Sen, Ismail
    The chestnut gall wasp, Dryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae), was detected for the first time in Turkiye in 2014. The effectiveness in trapping the chestnut gall wasp by using sticky attractant traps combined with attractants during its active flying period was determined. The combination of yellow sticky traps with a mixture of 90% beer and 10% granulated sugar can have a significant impact on the populations of the pest. This method offers a high success rate in chestnut production regions due to reasons such as their success in attracting chestnut gall wasp adults, the fact that they do not have any negative effects on biological control studies carried out using Torymus sinensis, and offers an effective solution for chestnut gall wasp control without negative effects on nature and the environment.
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    Updating land-cover change via analysis based on elevation and distance to settlements: A case study from Turkey
    (Univ Autonoma Chapingo, 2017) Kadiogullari, Ali Ihsan; Sönmez, Turan; Baskent, Emin Zeki; Karahalil, Uzay
    Introduction: An understanding of landscape change and forest dynamics based on topographical parameters and human activities is important for the sustainable management of forest ecosystems. Objective: Update the analysis of land-use/land-cover changes in the Gumushane Forest Enterprise in northeastern Turkey. Materials and methods: Forest imprOvement changes over the last 26-year period (1987-2013) were analyzed in terms of land-use/land-cover classes using forest management plans. The temporal transitions among the land use and cover types were also documented and evaluated based on topographical parameters and distance from settlements using elevation maps and ring buffers. Results and discussion: This period showed rapid forest improvement with an increase of 50,910 ha, amounting to a 1.58 % annual improvement rate. While the most highly forested elevation zone (66.6 % - 40,124 ha) was located between 1,501 and 2,000 m, the highest forestation rate (22.4 %- 13,509 ha) was found at a distance of over 500 m from settlement areas between 1971 and 2013. In terms of fragmentation, on the other hand, Gumushane forests were fragmented by an areal increase in productive forest areas between 1971 and 2013. Conclusion: Important data on the dynamics of forest ecosystems in Giimiishane Forest Enterprise were obtained. There is a strong link between land use changes and forest cover, social pressure, settlement distance, and elevation class.