Akademik Veri Yönetim Sistemi
MEMBA Su Bilimleri Dergisi, cilt.11, sa.3, ss.364-374, 2025 (Hakemli Dergi)
t: A study was conducted on the abundance of sea urchin (Paracentrotus lividus Lamarck, 1816) on the North East coast of the Marmara Sea between August-September 2023 and August-November 2024. Visual count transects method was conducted at 19 stations on the Anatolian side of Istanbul and 1 station in Armutlu, Yalova, using ABC (mask, fins and snorkel) at depths of 0-3 metres. The highest number of individuals in the study area in 2023 was Pendik-Yunus 1 station, with an average of 5 individuals per square metre, and in 2024, the highest number of individuals was Tuzla station, with an average of 18 individuals per square metre. For sustainable urchin fishery management with an ecosystem approach, the stock status of the species in the region should be known. According to the available literature, it is aimed to reach these data, which are unknown for the Marmara Sea, within the scope of this study