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T. C. ORDU ÜNİVERSİTESİ FEN BİLİMLERİ ENSTİTÜSÜ KARADENİZ BÖLGESİ'ndeki SİVRİBURUN KARAGÖZ BALIĞININ (Diplod

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T. C. ORDU ÜNİVERSİTESİ FEN BİLİMLERİ ENSTİTÜSÜ KARADENİZ BÖLGESİ'ndeki SİVRİBURUN KARAGÖZ BALIĞININ (Diplod T. C. ORDU ÜNİVERSİTESİ FEN BİLİMLERİ ENSTİTÜSÜ KARADENİZ BÖLGESİ’NDEKİ SİVRİBURUN KARAGÖZ BALIĞININ (Diplodus puntazzo Walbaum, 1792) BAZI BİYOLOJİK PARAMETRELERİ ÇAĞRI ÖZDEMİR YÜKSEK LİSANS TEZİ BALIKÇILIK TEKNOLOJİSİ MÜHENDİSLİĞİ ANABİLİM DALI ORDU 2019 T.C. ORDU ÜNİVERSİTESİ FEN BİLİMLERİ ENSTİTÜSÜ BALIKÇILIK TEKNOLOJİSİ MÜHENDİSLİĞİ ANABİLİM DALI - KARADENİZ BÖLGESİ’NDEKİ SİVRİBURUN KARAGÖZ BALIĞININ (Diplodus puntazzo Walbaum, 1792) BAZI BİYOLOJİK PARAMETRELERİ ÇAĞRI ÖZDEMİR YÜKSEK LİSANS TEZİ ORDU 2019 TEZ ONAY Çağrı ÖZDEMİR tarafından hazırlanan “KARADENİZ BÖLGESİ’NDEKİ SİVRİBURUN KARAGÖZ BALIĞININ (Diplodus puntazzo Walbaum, 1792) BAZI BİYOLOJİK PARAMETRELERİ” adlı tez çalışmasının savunma sınavı 17.06.2019 tarihinde yapılmış ve jüri tarafından oy birliği ile Ordu Üniversitesi Fen Bilimleri Enstitüsü BALIKÇILIK TEKNOLOJİSİ MÜHENDİSLİĞİ ANABİLİM DALI - YÜKSEK LİSANS TEZİ olarak kabul edilmiştir. Danışman Doç.Dr. Mehmet AYDIN Jüri Üyeleri İmza Danışman ............................................. Doç. Dr. Mehmet AYDIN Balıkçılık Teknolojisi Mühendisliği, Ordu Üniversitesi Üye Doç. Dr. Cengiz MUTLU, Biyoloji, Giresun ............................................. Üniversitesi Üye Dr. Öğr. Üyesi Serap SAMSUN, Balıkçılık ............................................. Teknolojisi Mühendisliği, Ordu Üniversitesi … / … / 2019 tarihinde enstitüye teslim edilen bu tezin kabulü, Enstitü Yönetim Kurulunun … / … / 2019 tarih ve ……… / …… sayılı kararı ile onaylanmıştır. Enstitü Müdürü Dr. Öğr. Üyesi Mehmet Sami GÜLER TEZ BİLDİRİMİ Tez yazım kurallarına uygun olarak hazırlanan ve kullanılan intihal tespit programının sonuçlarına göre; bu tezin yazılmasında bilimsel ahlak kurallarına uyulduğunu, başkalarının eserlerinden yararlanılması durumunda bilimsel normlara uygun olarak atıfta bulunulduğunu, tezin içerdiği yenilik ve sonuçların başka bir yerden alınmadığını, kullanılan verilerde herhangi bir tahrifat yapılmadığını, tezin herhangi bir kısmının bu üniversite veya başka bir üniversitedeki başka bir tez çalışması olarak sunulmadığını beyan ederim. Çağrı ÖZDEMİR İmza Not: Bu tezde kullanılan özgün ve başka kaynaktan yapılan bildirişlerin, çizelge, şekil ve fotoğrafların kaynak gösterilmeden kullanımı, 5846 sayılı Fikir ve Sanat Eserleri Kanunundaki hükümlere tabidir. I ÖZET KARADENİZ BÖLGESİ’NDEKİ SİVRİBURUN KARAGÖZ BALIĞININ (Diplodus puntazzo Walbaum, 1792) BAZI BİYOLOJİK PARAMETRELERİ Çağrı ÖZDEMİR ORDU ÜNİVERSİTESİ FEN BİLİMLERİ ENSTİTÜSÜ BALIKÇILIK TEKNOLOJİSİ MÜHENDİSLİĞİ ANABİLİM DALI YÜKSEK LİSANS TEZİ, 46 SAYFA (TEZ DANIŞMANI: Doç. Dr. Mehmet AYDIN) Sparidae familyasının bir üyesi olan sivriburun karagöz balığı (Diplodus puntazzo Walbaum, 1792) demersal bir balık türüdür. Bu araştırmada Güney Karadeniz Bölgesi (Sinop-Hopa arasında) kıyılarındaki sivriburun karagöz balığına ait temel popülasyon parametreleri (yaş, boy, eşey kompozisyonu, boy-ağırlık ilişkisi, yaş-boy ilişkisi, büyüme parametreleri, kondisyon faktörü, gonado somatik indeks, üreme özellikleri) belirlenmiştir. Çalışma Nisan 2017 - Mart 2019 tarihleri arasında 276 adet sivriburun karagöz balığı örneklenmiş, ortalama boy ve ağırlık sırasıyla 30.0 cm (15.3-45.4) ve 463.9 g (50.6-1186.5) olarak hesaplanmıştır. Erkek ve dişi oranı 1:1.32 olarak tespit edilmiştir (P>0.05). Balıkların yaş aralığı 0-9 olarak tespit edilmiştir. Tüm bireyler için von Bertalanffy büyüme parametreleri L∞= 45.1 cm, k= -1 0.2656 yıl ve t0= -1.6587 olarak hesaplanmıştır. Boy- ağırlık ilişki denklemi W= 0.0399 L2.7212 olarak bulunmuştur. Toplam ölüm oranı (Z=0.560),doğal ölüm oranı (M=0.501), balıkçılık ölüm oranı (F= 0.059), büyüme performans indeksi(φ'= 2.73) ve kondisyon faktörü (K= 1.55) hesaplanmıştır. Üreme Ağustos-Kasım ayları içerisinde gerçekleşmesine rağmen dişi bireylerin GSI değerinin (6.83) Eylül ayında maksimuma ulaştığı tespit edilmiştir. Relative fekundite ortalama 14695.4 adet/1g (8305.0-22727.2) olarak hesaplanmıştır. Ortalama yumurta çapı ise 486.83 µm + 55.45 (Min: 243.30, Mak: 802.6) olarak belirlenmiştir. Bu çalışma, bu tür hakkında Karadeniz’de yapılmış ilk çalışma olması açısından çok önemlidir ve gelecekte yapılacak olan çalışmalara kaynak olacaktır. Anahtar Kelimeler: Sivriburun karagöz, Diplodus puntazzo, Üreme, Büyüme, Popülasyon parametreleri II ABSTRACT SOME BIOLOGICAL PARAMETERS OF THE SHARPSNOUT SEABREAM (Diplodus puntazzo Walbaum, 1792) IN THE BLACK SEA REGION Çağrı ÖZDEMİR ORDU UNIVERSITY INSTITUTE OF NATURAL AND APPLIED SCIENCES FISHERIES TECNOLOGY ENGINEERING MASTER THESIS, 46 PAGES (SUPERVISOR: Doç. Dr. Mehmet AYDIN) Sharpsnout seabream (Diplodus puntazzo Walbaum, 1792), which is a member of the Sparidae family, is the species of demersal fish. In this study, the population parameters (age, length, sex composition, length-weight relationship, age-length relationship, growth parameters, condition factor, gonado somatic index, reproductive) of the sharpsnout seabream in the southern Black Sea Region (between Sinop and Hopa) have been investigated. In the study carried out between April 2017 and March 2019, 276 sharpsnout seabream were sampled and the average length and weight were calculated as 30.0 cm (15.3-45.4) and 463.9 g (50.6-1186.5) respectively. Male and female ratio was determined as 1: 1.32 (P>0.05). Ages of fish varied between 0-9 years. The von Bertalanffy growth parameters were L∞ = 48.1 -1 cm, k = 0.2656 year and t0 = -1.6587 year for all individulals. The length-weight relationship was found as W= 0.0399 L2.7212 for all individulals. Total mortality rate (Z=0.560), natural mortality rate (M=0.501) and fishing mortality rate (F=0.059), growth performance index (φ'=2.73) and condition factor value (K=1.55) were calculated. Although the reproduction took place in August-November, it was found that the female individuals reached their maximum GSI value (6.83) in September. Mean relative fecundity was calculated as 14695.4 eggs / 1g (8305.0-22727.2). The mean egg diameter was calculated as 486.83 µm + 55.45 (Min: 243.30, Max: 802.6). This study is very important in terms of being the first study on this species in the Black Sea and will provide a source for future studies. Keywords: Sharpsnout seabream, Diplodus puntazzo, Reproduction, Growth, Population parameters III TEŞEKKÜR Tez konumun belirlenmesi, çalışmanın yürütülmesi ve yazımı esnasında başta danışman hocam Sayın Doç. Dr. Mehmet AYDIN’a ve tez yazım aşamasında maddi ve manevi desteklerini esirgemeyen Cemile EMİRZEOĞLU’na, laboratuvar çalışmalarında emeği geçen Dr. Mustafa DURMUŞ ve Barış BODUR’a teşekkür ederim. Aynı zamanda, manevi desteklerini her an üzerimde hissettiğim babam, annem, çocuklarım ve eşim Gülten ÖZDEMİR’e teşekkürü bir borç bilirim. IV İÇİNDEKİLER Sayfa TEZ BİLDİRİMİ ......................................................................................................... I ÖZET.. ........................................................................................................................ II ABSTRACT .............................................................................................................. III TEŞEKKÜR ............................................................................................................. IV İÇİNDEKİLER ......................................................................................................... V ŞEKİL LİSTESİ ....................................................................................................... VI ÇİZELGE LİSTESİ ................................................................................................ VII SİMGELER ve KISALTMALAR LİSTESİ ....................................................... VIII 1. GİRİŞ ...................................................................................................................... 1 1.1 Sivriburun Karagöz (Diplodus puntazzo) Hakkında Genel Bilgiler ...................... 1 2. ÖNCEKİ ÇALIŞMALAR ..................................................................................... 3 3. MATERYAL ve YÖNTEM ................................................................................... 6 3.1 Materyal ................................................................................................................. 6 3.1.1 Diplodus puntazzo Türünün Sistematikteki Yeri ................................................ 6 3.2 Morfolojik Özellikleri ............................................................................................ 7 3.3 Yaşam Alanı ........................................................................................................... 9 3.4 Araştırma Planı..................................................................................................... 10 3.5 Araştırma Sahası .................................................................................................. 11 3.6 Yaş Tayini ............................................................................................................ 13 3.7 Boy-Ağırlık İlişkisi .............................................................................................. 15 3.8 von Bertalanffy Büyüme Parametrelerinin Saptanması ....................................... 16 3.9 Kondisyon Faktörünün Belirlenmesi ................................................................... 17 3.10 Üreme Özelliklerinin Belirlenmesi .................................................................... 17 3.11 Yumurta Verimi (Fekondite).............................................................................. 17 3.12 Ölüm Oranları ...................................................................................................
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