Study for the Detection of Ghost Nets in the Sea of Marmara (Kapıdağ Peninsula and Islands Region)

Yıl 2023, Cilt: 8 Sayı: 4, 787 - 794, 31.12.2023

Fulden Uçar , Alkan Öztekin

https://doi.org/10.35229/jaes.1228180

Öz

This study was carried out in the Marmara Sea (Kapıdağ Peninsula and Islands Region) to determine the location and amount of ghost nets and to find lost fishing gear within the appropriate diving limits. For this purpose, 168 surveys were conducted with the fishermen and the heads of fishermen's cooperatives operating in the region, and feedback was received from 42 of them regarding the locations of the lost nets. 32 dive operations were carried out at 10 stations suitable for diving, a total of 20 hours of bottom time was spent and 43500 m2 area was swept, 1 trawl net, 1 beam trawl, 18500 m2 purse seine net, 200 meters gillnets, 2 longlines, 8 ship anchors, 500 m trammel nets (marya nets), 1 octopus fishing rod and piece extension nets and fishing hooks were removed. When the results of the survey were evaluated, it was estimated that these fishing gears, which were removed by diving, are only 1% of the lost fishing gear in the Marmara Sea. (Kapıdağ Peninsula and Islands Region)

Anahtar Kelimeler

Ghost nets, Sea of Marmara, Kapıdağ Peninsula, Diving

Marmara Denizi’nde (Kapıdağ Yarımadası ve Adalar Bölgesi) Kaybolan Av Araçlarının Tespitine Yönelik Çalışma

Öz

Bu çalışma Marmara Denizi’nde (Kapıdağ Yarımadası ve Adalar Bölgesi) hayalet ağların yerini ve miktarını belirleyerek, uygun dalış limitleri içerisindeki kaybolan av araçlarını çıkarmak için gerçekleştirilmiştir. Bu amaçla, bölgede faaliyet gösteren balıkçılar ve balıkçı kooperatifi başkanları ile 168 adet anket yapılmış olup bunların 42 tanesi tarafından kaybolan ağların yerleri ile ilgili geri dönüş alınmıştır. Dalışa uygun 10 istasyonda 32 dalış operasyonu gerçekleştirilmiş olup, toplam 20 saat dip zamanı harcanmış ve 43500 m2 alan taranarak, 1 adet trol takımı, 1 adet algarna takımı, 18, 500m2 gırgır ağı, 200m uzatma ağı, 2 adet paragat takımı, 8 adet gemi çapası, 500m marya ağı, 1 adet ahtapot oltası ve parça uzatma ağları ile olta iğneleri çıkarılmıştır. Anket sonuçları değerlendirildiğinde, dalış yapılarak çıkarılan bu av araçlarının Marmara Denizi’nde (Kapıdağ Yarımadası ve Adalar Bölgesi) kaybolan av araçlarının sadece %1‘lik kısmı olduğu tahmin edilmiştir.

Anahtar Kelimeler

Hayalet ağlar, Marmara Denizi, Kapıdağ Yarımadası, Dalış, Ghost nets, Sea of Marmara, Kapıdağ Peninsula, Diving

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