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T.C. Ġnönü Ünġversġtesġ Fen Bġlġmlerġ Enstġtüsü T.C. ĠNÖNÜ ÜNĠVERSĠTESĠ FEN BĠLĠMLERĠ ENSTĠTÜSÜ KARAKAYA BARAJ GÖLÜ‟NDE KAFES BALIKÇILIĞININ SU KALĠTESĠ VE BAZI BALIK POPULASYONLARININ BĠYOLOJĠK PARAMETRELERĠ ÜZERĠNE ETKĠLERĠ AYSEL ALKAN UÇKUN DOKTORA TEZĠ BĠYOLOJĠ ANABĠLĠM DALI MALATYA HAZĠRAN 2011 Tezin BaĢlığı: Karakaya Baraj Gölü‟nde Kafes Balıkçılığının Su Kalitesi ve Bazı Balık Populasyonlarının Biyolojik Parametreleri Üzerine Etkileri Tezi Hazırlayan: AYSEL ALKAN UÇKUN Sınav Tarihi: 29/06/2011 Yukarıda adı geçen tez jürimizce değerlendirilerek Biyoloji Ana Bilim Dalında Doktora Tezi olarak kabul edilmiĢtir. Sınav Jürisi Üyeleri: Prof. Dr. Erhan ÜNLÜ (BaĢkan) Yrd. Doç. Dr. Didem GÖKÇE (DanıĢman) Prof. Dr. Murat ÖZMEN (Üye) Doç. Dr. Dilek ASMA (Üye) Yrd. Doç. Dr. Özgür FIRAT (Üye) Prof. Dr. Asım KÜNKÜL Enstitü Müdürü ONUR SÖZÜ Doktora Tezi olarak sunduğum “Karakaya Baraj Gölü‟nde Kafes Balıkçılığının Su Kalitesi ve Bazı Balık Populasyonlarının Biyolojik Parametreleri Üzerine Etkileri” baĢlıklı bu çalıĢmanın bilimsel ahlak ve geleneklere aykırı düĢecek bir yardıma baĢvurmaksızın tarafımdan yazıldığını ve yararlandığım bütün kaynakların hem metin içinde hem de kaynakçada yöntemine uygun biçimde gösterilenlerden oluĢtuğunu belirtir, bunu onurumla doğrularım. AYSEL ALKAN UÇKUN ÖZET Doktora Tezi KARAKAYA BARAJ GÖLÜ‟NDE KAFES BALIKÇILIĞININ SU KALĠTESĠ VE BAZI BALIK POPULASYONLARININ BĠYOLOJĠK PARAMETRELERĠ ÜZERĠNE ETKĠLERĠ Aysel Alkan Uçkun Ġnönü Üniversitesi Fen Bilimleri Enstitüsü Biyoloji Anabilim Dalı 230 + xvii sayfa 2011 DanıĢman: Yrd. Doç. Dr. Didem Gökçe Karakaya Baraj Gölü, Malatya ili ve çevre yerleĢim alanları tarafından sulama, balıkçılık ve rekreasyonel amaçlı olarak kullanılan önemli bir sucul ekosistemdir. Karakaya Baraj Gölü‟nde kafes balıkçılığının, su kalitesi ve Alburnus mossulensis, Acanthobrama marmid, Cyprinion macrostomus ve Cyprinion kais türlerinin büyüme ve üreme özellikleri üzerindeki etkisini belirlemek amacıyla 4 örnekleme noktası seçilmiĢtir. Örnekleme noktalarından Aralık 2008-2009 tarihleri arasında aylık olarak vertikal su örneği ile birlikte eĢ zamanlı balık örnekleri alınarak suyun fiziksel ve kimyasal değiĢkenleri analiz edilmiĢtir. Su kalite değerlerine göre Karakaya Baraj Gölü‟nün trofik durumu, oligotrofik-mezotrofik olarak belirlenmiĢtir. Toplanan balıkların boy-ağırlık-eĢey dağılımı, yaĢ-eĢey kompozisyonu, boyca ve ağırlıkça mutlak-oransal büyüme, boy-ağırlık, yaĢ-boy, yaĢ-ağırlık iliĢkisi, kondisyon faktörü, gonadosomatik indeks, yumurta çapı ve fekondite değerleri belirlenmiĢtir. DiĢi ve erkek bireylerin aylara ve örnekleme noktalarına göre farklılıkları ile farkın önem derecesi varyans analizi ve Tukey testiyle belirlenmiĢtir. Ayrıca uygulanan Kanonik Uyum Analizi‟nde, baraj gölünün ekosistem yapısını etkileyen çevresel değiĢkenler ile büyüme-üreme parametreleri arasındaki çoklu iliĢkiler analiz edilmiĢ; örnekleme noktalarına göre çevresel faktörlerin, balık kompozisyonuna olan etkisi ve derecesi gösterilmiĢtir. Üreme dönemleri değerlendirildiğinde, A. mossulensis, C. macrostomus ve C. kais‟in Mayıs ayında, A. marmid‟in ise Mayıs-Haziran aylarında yumurta dökmeye baĢladığı tespit edilmiĢtir. DiĢi bireylerde çevresel değiĢkenlere göre tür dağılımlarının çok fazla farklılık göstermediği, ist.1. ve 2.‟nin benzer olduğu; erkek bireylerde ise tür dağılımının diĢilere göre daha fazla farklılık gösterdiği ve ist.1 ile ist.2‟nin benzer olduğu gözlenmiĢtir. Sonuç olarak, kafeslerin ilk kurulduğu bölgeler olan 1. ve 2. örnekleme noktalarında diğer noktalara göre azot ve fosfor miktarının fazla olduğu ve balık biyolojik parametrelerinin buna bağlı olarak etkilendiği belirlenmiĢtir. ANAHTAR KELĠMELER: Acanthobrama marmid, Alburnus mossulensis, Cyprinion kais, Cyprinion macrostomus, biyolojik parametre, kafes balıkçılığı, Karakaya Baraj Gölü, su kalitesi. i ABSTRACT Ph.D. Thesis THE EFFECTS OF CAGE CULTURE ON WATER QUALITY AND BIOLOGICAL PARAMETERS OF SOME FISH POPULATIONS IN KARAKAYA DAM LAKE Aysel Alkan Uçkun Inonu University Graduate School of Natural and Applied Sciences Department of Biology 230 + xvii pages 2011 Supervisor: Assist. Prof. Dr. Didem Gökçe Karakaya Dam Lake is an important aquatic ecosystem, used for irrigation, fishing and recreational activity by Malatya province and the surrounding residential areas. Four sampling points were selected to determine the impact of cage aquaculture in Karakaya Dam Lake on water quality and growth and reproductive characteristics of Alburnus mossulensis, Acanthobrama marmid, Cyprinion macrostomus ve Cyprinion kais. Vertical water and fish samples were collected from the selected locations at the same time between December 2008-2009 and physico-chemical parameters of water were analyzed on a monthly basis. According to water quality values, the trophic level of Karakaya Dam Lake was determined as oligotrophic and mesotrophic. Length-weight-sex distribution, age-sex composition, the absolute-proportional growth in lenght and weight, length-weight, age-lenght, age-weight relationship, condition factor, gonadosomatic index, egg diameter and fecundity of collected fish were determined. Differences in male and female individuals according to months and sampling points with the degree of importance were determined by ANOVA and Tukey test. In addition, by the Canonical Correspoinding Analysis (CCA) used, multiple relations between environmental variables that effect ecosystem structure of dam lake and growth-reproduction parameters have been analysed and depending on the sampling points, the effect and degree of environmental factors on fish composition have been shown. Evaluation of reproductive periods show, spawning periods of A. mossulensis, C. macrostomus and C. kais begin in May and A. marmid begins in May-June. In female subjects, distributions of species were not affected significantly by the environmental variables and ist. 1 and ist. 2 were similar. As a result, amounts of nitrogen and phosphorus in the sampling points 1 and 2 were higher than the sampling points 3 and 4 which were built after the first two and biological parameters of fish were affected accordingly. KEY WORDS: Acanthobrama marmid, Alburnus mossulensis, Cyprinion kais, Cyprinion macrostomus, biological parameter, cage aquaculture, Karakaya Dam Lake, water quality. ii TEġEKKÜR Bu tez çalıĢmasının planlanmasında ve yürütülmesinde yakın ilgi ve yardımlarını gördüğüm, değerli fikirleriyle yol gösteren, büyük özveri ve sabırla yardım eden, bana bilimi sevdiren, beni motive edip yönlendiren, çalıĢma süresince karĢılaĢılan arazi ve teorik sorunların çözümünde büyük emeği olan, çalıĢma için verdiği desteklerin yanında her zaman hissettirdiği güven duygusu nedeni ile baĢta danıĢman hocam Sayın Yrd. Doç. Dr. Didem GÖKÇE‟ye , Tezimin yürütülmesi sırasında bölümümüzün tüm olanaklarından faydalanmamı sağlayan Bölüm BaĢkanlığı‟na, Bu çalıĢmanın her aĢamasında öneri ve desteğini esirgemeden beni yönlendiren, göstermiĢ olduğu nazik ilgisi ve yardımları için Sayın Prof. Dr. Erhan ÜNLÜ‟ye, Tez izleme komitesinde bulunan ve çalıĢmanın her aĢamasını titizlikle takip eden ve bana manevi destek veren Sayın Prof. Dr. Murat ÖZMEN‟e, ÇalıĢmalarım boyunca acı tatlı hemen her günü paylaĢtığımız, teĢvik edici tavırlarıyla beni yönlendiren ve manevi desteklerini esirgemeyen değerli hocam Yrd. Doç. Dr. Birol MUTLU ile sevgili dostum Erkan DOĞAN‟a, Arazi ve laboratuvar çalıĢmalarında arkadaĢlarım ArĢ. Grv. Duygu ÖZHAN ve ġengül ERCAN ile bilgisayar programlarında bana yardımcı olan Ġsmail ÖZDEMĠR‟e, ÇalıĢmaya maddi yönden kaynak sağlayan Ġnönü Üniversitesi Bilimsel AraĢtırma Projeleri Birimine (BAP-Proje no: 2008/50), Ayrıca tüm hayatım boyunca olduğu gibi doktora çalıĢmalarım süresince de yanımda olan ve benden desteklerini esirgemeyen aileme, özellikle de bana gösterdiği sabır ve özveriden dolayı sevgili eĢim Miraç UÇKUN‟a sonsuz teĢekkürlerimi sunarım. iii ĠÇĠNDEKĠLER ÖZET ........................................................................................................................ i ABSTRACT ............................................................................................................ ii TEġEKKÜR ........................................................................................................... iii ĠÇĠNDEKĠLER ....................................................................................................... iv ġEKĠLLER DĠZĠNĠ ............................................................................................... vii ÇĠZELGELER DĠZĠNĠ ........................................................................................... xi SĠMGELER VE KISALTMALAR ...................................................................... xvi 1. GĠRĠġ ....................................................................................................................... 1 1.1. Genel Bilgiler .......................................................................................................... 1 1.2. Su Kalitesi ................................................................................................................ 6 1.3. Tez ÇalıĢmasında Ġncelenen Balık Türleri .............................................................. 8 1.3.1. Alburnus mossulensis (Heckel, 1843) ...................................................................... 9 1.3.2. Acanthobrama marmid (Heckel, 1843) ................................................................. 11 1.3.3. Cyprinion macrostomus (Heckel, 1843) ................................................................ 13 1.3.4. Cyprinion kais (Heckel, 1843) ..............................................................................
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