Ruditapes decussatus’un (Linnaeus, 1758) BAZI MORFOLOJİK ÖZELLİKLERİ VE KAS DOKUSUNDAKİ AĞIR METAL BİRİKİMİ

Year 2022, , 39 - 49, 26.07.2022

Burcu Yeşilbudak

https://doi.org/10.18036/estubtdc.1045591

Abstract

Bu çalışmada Kuzey Doğu Akdeniz'de yer alan İskenderun Körfezi Yumurtalık Sahili’nde 2018 ilkbahar ve sonbahar mevsimlerinde Ruditapes decussatus’un (Linnaeus, 1758) bazı morfolojik özelliklerinin ve kas dokusundaki ağır metal birikiminin araştırılması amaçlanmıştır. Buna bağlı olarak, Bivalvia’nın kabuk uzunluğu (SL), toplam ağırlığı (TW), kabuk yüksekliği (SH), kabuk şişkinliği (SI), kabuk ağırlığı (SW), yuvarlaklık indeksi (RI), cup indeksi (CI) ve toplam uzunluk- ağırlık ilişkisi (LWR) ve Bivalvia’nın kas dokusundaki ağır metal birikimi iki mevsim için ölçüldü. SL, TW, SH, SI, SW, RI ve CI değerlerinin minimum ve maksimum değerleri sırasıyla 21.50-39.00 mm, 0.80-22.15 g, 10.50-28.70 mm, 9.11-20.90 mm, 3.08-4.66 g, 1.03-2.14 ve 0.58-0.67 olarak belirlenmiştir. R. decussatus’ın toplam boy ve toplam ağırlığı arasındaki ilişki ilkbahar için W=0.0052*SL2.54 ve sonbahar için W=0.0031*SL2.88 olarak hesaplanmıştır. Bivalvia örneklerinin büyüme tipi izometrik büyüme olarak belirlenmiştir (2.971). İlkbahar ve sonbahar mevsimlerinde kas dokusunda ağır metal birikimi sadece çinko ve bakır için farklı sezonlarda istatistiksel önemli bulunmuştur (P<0.05). Bivalvia türünün biyometrik verileri ve kas dokusu ağır metal düzeyi verilmiş ve diğer çalışmalardan elde edilen sonuçlarla karşılaştırılarak tartışılmıştır. Boy-ağırlık ilişkisi, büyüme tipi ve doku ağır metal birikimi göz önüne alındığında, bu bölgenin ekolojik olarak R. decussatus için uygun olduğu söylenebilir.

Keywords

Bivalvia, Ruditapes decussatus, morfolojik özellikler, ağır metal.

SOME MORPHOLOGICAL TRAITS AND HEAVY METAL ACCUMULATION IN MUSCLE TISSUE OF Ruditapes decussatus (Linnaeus, 1758)

Abstract

This study aimed to investigate some morphological features and heavy metal accumulation in muscle tissue of Ruditapes decussatus (Linnaeus, 1758) in the spring and autumn seasons of 2018 in the Yumurtalık Coastline of İskenderun Bay located in the northeastern Mediterranean Sea. To this end, shell length (SL), total weight (TW), shell height (SH), shell inflation (SI), shell weight (SW), roundness index (RI), cup index (CI) and total length-weight relationship (LWR) of Bivalvia and heavy metal accumulation in the muscle tissue of Bivalvia were measured for two seasons. Minimum and maximum values of SL, TW, SH, SI, SW, RI and CI were determined as 21.50-39.00 mm, 0.80-22.15 g, 10.50-28.70 mm, 9.11-20.90 mm, 3.08-4.66 g, 1.03-2.14 and 0.58-0.67 respectively. The relationship between total length and total weight of R. decussatus was calculated to be W=0.0052*SL2.54 for spring and W=0.0031*SL2.88 for autumn. The growth type of Bivalvia specimens was determined as isometric growth (2.971). Heavy metal accumulation in the muscle tissue in spring and autumn seasons was found as statistically significant only for zinc and copper in different seasons (P<0.05). Biometric data of Bivalvia speciemens and muscle tissue heavy metal level are given and discussed in comparison with the results obtained from other studies. Considering the height-weight relationship, growth type and tissue heavy metal accumulation, it can be said that this area is ecologically suitable for R. decussatus.

Keywords

Bivalvia, Ruditapes decussatus, morphological traits, heavy metal

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