TY - JOUR T1 - Comparison of Otolith Mass Asymmetry in Two Different Solea solea Populations in Mediterranean Sea TT - Akdeniz'de İki Farklı Solea solea Popülasyonunda Otolit Kütle Asimetrisinin Karşılaştırılması AU - Yedier, Serdar AU - Bostancı, Derya AU - Kontaş, Seda AU - Kurucu, Gülşah AU - Polat, Nazmi PY - 2018 DA - June JF - Ordu Üniversitesi Bilim ve Teknoloji Dergisi JO - Ordu Üniv. Bil. Tek. Derg. PB - Ordu University WT - DergiPark SN - 2146-6440 SP - 125 EP - 133 VL - 8 IS - 1 LA - en AB - In general, waterpollution can be called as a kind of pollution resulting from natural and humanactivities on water resources such as oceans, seas, rivers, lakes and groundwaters. Fish species are directly and indirectly adversely affected by waterpollution. Like other living things in the aquatic system,fish are confronted with different types of stresses from different pollutantssuch as pesticides, insecticides, herbicides and heavy metals in their habitats. Otolithmass asymmetry may reflect some developmental disorders of fish caused byenvironmental stress. Especially high-levelotolith mass asymmetry can adversely affect fish life, so the determination ofthe asymmetry is very important for each species. The aim of the presentstudy to compare the otolith mass asymmetry of Solea solea from Mersin and İskenderun populations. A total of 100 fish with17.5-25.0cm total length and 36.4-126.6g weight were collected from theMediterranean Sea. The asymmetry wascalculated considering the difference between blind and eye sides otolithmasses. In the present study, the asymmetryvalues were found within -0.25483 and +0.41220 in the populations.The otolith mass asymmetry and absolute otolith mass asymmetry of S. solea in the Mersin and İskenderunpopulations are not related to the total length KW - Otolith KW - Mass asymmetry KW - Solea solea KW - Ecological factors KW - Water pollution N2 - Su kirliliği genel olarak okyanuslar, denizler,nehirler, göller ve yeraltı suları gibi su kaynakları üzerinde doğal ve insanfaaliyetleri sonucu oluşmuş bir tür kirlilik olarak adlandırılabilir. Su kirliliği balık türlerinidoğrudan ve dolaylı olarak olumsuz etkilenmektedir. Sucul sistemdeki diğer canlılar gibi balıklar dahabitatlarında bulunan pestisitler, insektisitler ve herbisitler ve ağırmetaller gibi farklı kirleticilerden kaynaklı farklı stres türleriyle karşıkarşıyadır. Otolit kütle asimetrisinin, balıklarda çevresel stresin nedenolduğu bazı gelişimsel bozuklukları yansıtabilir. Özellikle yüksek seviyedeki otolit kütlesi asimetrisibalıkların yaşamını olumsuz yönde etkileyebilir, bu nedenle bu asimetrininbelirlenmesi her balık türü için çok önemlidir. Bu çalışmanın amacı Mersin veİskenderun popülasyonlarındaki Soleasolea'nın otolit kütle asimetrilerini karşılaştırmaktır. Total boyları 17,5-25,0cm ve ağırlıkları 36,4-126,6 gr olan toplam 100 adet balık Akdeniz'denyakalanmıştır. Asimetri, kör ve göz bölge otolitlerinin kütleleri arasındakifark dikkate alınarak hesaplanmıştır. Bu çalışmanın sonucunda, asimetrideğerleri, bu iki popülasyonda -0,25483 ve +0,41220 değerleri arasındabulunmuştur. Mersin ve İskenderun popülasyonlarındaki Solea solea'nın otolit kütle asimetrisi ve mutlak otolit kütleasimetrisi, balıkların total boyuyla ilişkili değildir. CR - 1. Arai T, Ohji M & Hirata T (2007). Trace metal deposition in teleost fish otolith as an environmental indicator. Water, Air, & Soil Pollution 179(1–4): 255-263. CR - 2. Bingel F (1987). 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