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    Freshwater Malacofauna and Distribution of Trabzon, Türkiye
    (Kahramanmaras Sutcu Imam University, 2024) Kara, Cemil; Bozali, Nuri; Gürlek, Mustafa Emre
    In this study, freshwater molluscs and their zoogeographical distributions in Trabzon were investigated. During the period of June-December 2021, samples were collected from 38 freshwater river localities. From the study area, Ancylus fluviatilis from Gastropoda class, Planorbidae family, non-native species Physella acuta from Physidae family, and Dreissena polymorpha from Bivalvia class and Dreissenidae family were identified. While A. fluviatilis specimens were found from all freshwater systems in Trabzon region, the non native P. acuta could be identified from Fol Stream, Yıldızlı Stream, Sera Lake and Manahoz River. Empty shells belonging to the D. polymorpha species were identified from the area where Çatalzeytin Stream joins the sea. P. acuta and D. polymorpha are new records for the freshwater streams of Trabzon region.
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    Use of spatial pattern analysis to assess forest cover changes in the Mediterranean region of Turkey
    (Springer Japan Kk, 2015) Bozali, Nuri; Sivrikaya, Fatih; Akay, Abdullah Emin
    Assessment and monitoring of changes in land use are among the most important means of understanding of forest ecosystem dynamics. The main objective of this study was to investigate the spatio-temporal variability of forest cover changes by use of spatial pattern analysis. The study was performed in BaAYkonuAY Forest Enterprise in the Mediterranean city of KahramanmaraAY in Turkey. The spatio-temporal variability of forest structures from 1992 to 2012 was analyzed by use of the Geographical Information Systems tool ArcGIS 10.0 and the spatial statistical package FRAGSTATS. The results indicated that forest areas increased from 11,446 to 11,827 ha, which is approximately 2 % of the study area. There was also a substantial increase (9.7 %) in productive forests, whereas degraded forests decreased by 7.8 %. Silvicultural treatment, rehabilitation, and conversion of coppice forests to high forests were the main forces driving forest cover changes in the study area. According to FRAGSTATS results, the total number of patches increased from 554 to 1610 between 1992 and 2012. As a result, the forest ecosystem in the study area became highly fragmented over the study period, because of the increase in the number of patches and the decrease in mean patch size; this negatively affected maintenance of biodiversity in the region.