Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems
Yıl: 2007 Cilt: 16 Sayı: 65 Sayfa Aralığı: 1 - 6 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022
Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems
Öz: Ömerli Rezervuarı ve Sapanca Gölü için zararlı olarak kabul edilen zebra midyesi, Dreissena polymorpha'nm bazı kaya balığı türlerinin, (Neogobius melanostomus, Neogobius gymnotrachelus ve Neogobius fluviatilis) besin tercihlerindeki varlığını araştırdık. Sapanca Gölü'nde zebra midyesi kaya balıklarının baskın besin maddesi iken, Ömerli Rezervuarında makrofitler ve algler en çok rastlanan besindi. Türler arası beslenme indeksi aynı gölde yaşayan kayabalıklarının benzer besin tiplerini seçtiklerini (S > 0,8) gösterdi. Ancak, her iki gölü karşılaştırdığımızda, N. fluviatilis (Sapanca Gölü) ve N. gymnotrachelus (Ömerli Rezervuarı) arasındaki besin indeksi, farklı besinleri tercih ettiklerini gösterecek şekilde önemsiz olarak çıkmıştır (S= 0,5). Boy ile ağırlık arasındaki ilişkinin eğimi, bir istisna dışında bütün karşılaştırılan türler arasında önemli derecede farklı çıktı. Sadece, N. fluviatilis (Sapanca Gölü) ve N. melanostomus (Ömerli Rezervuarı)'ın boy ağırlık ilişkilerinin eğimleri arasındaki fark önemsiz çıkmıştır. Genel olarak Sapanca Gölü'ndeki balıkların boy ağırlık ilişkilerindeki eğim Ömerli Baraj Gölü'ndekilere göre daha yüksek çıkmıştır. Bu sonuç, çoğunlukla zebra midyesi ile beslenen kaya balıklarındaki ağırlık artışının, genelde bitkisel materyalle beslenen kaya balıklarına göre daha iyi olduğu hipotezini desteklemiştir. Bu çalışma, kaya balıklarının zebra midyesinin önemli bir tüketicisi olduğunu ve kaya balıklarının av baskılarının özellikle zebra midyesinin bol bulunduğu ekosistemlerde bu türün populasyonları üzerinde önemli bir etkisi olabileceğini göstermiştir.
Anahtar Kelime: Konular:
Kaya balıklarının besin trcihlerinde zebra midyesi, Dreissena polymorpha'nın tercihi ve bunun kaya balıklarının büyümesine üzerine etkisi: iki farklı ekosistem arasında karşılaştırmalı bir çalışma
Öz: We investigated presence of zebra mussel, Dreissena polymorpha, which is considered as harmful for two freshwater ecosystems (Ömerli Reservoir and Lake Sapanca), in the food preferences of several gobiid species namely; Neogobius melanostomus, Neogobius gymnotrachelus, and Neogobius fluviatilis. In Lake Sapanca, zebra mussel was the dominant food component in the diet of gobiids. However, in Ömerli Reservoir, plant with macropyhtes and algea were the dominant food sources both studied gobiids. Intraspecific diet overlap indices showed that gobiid species from the same lake preferred similar food types (S > 0.8). However, when we compared the lakes, the diet overlap index between N. fluviatilis (Lake Sapanca) and N. gymnotrachelus (Ömerli Reservoir) was not significant (S= 0.5) which indicates different food choices. The relationships between total length and weight, which had slope values >3 in all but one case, differed significantly between species. One exception was between N. fluviatilis (Lake Sapanca) and N. melanostomus (Ömerli Reservoir). In generally, slopes of the relationships in fish species from Lake Sapanca were bigger than those of Ömerli Reservoir. This result suggests that gobiids fed with mostly zebra mussel had better weight gain compared to gobiids fed with mostly plant-based food. This study showed that gobiid fishes are an important consumer of zebra mussel and their predation would affect the mussel populations, especially in the ecosystems where zebra mussel is abundant.
Anahtar Kelime: Konular:
Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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| APA | Gaygusuz Ö, gürsoy gaygusuz ç, TARKAN S, ACIPINAR H, TÜRER Z (2007). Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems. , 1 - 6. |
| Chicago | Gaygusuz Özcan,gürsoy gaygusuz çiğdem,TARKAN Serhan Ali,ACIPINAR Hasan,TÜRER Zeynep Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems. (2007): 1 - 6. |
| MLA | Gaygusuz Özcan,gürsoy gaygusuz çiğdem,TARKAN Serhan Ali,ACIPINAR Hasan,TÜRER Zeynep Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems. , 2007, ss.1 - 6. |
| AMA | Gaygusuz Ö,gürsoy gaygusuz ç,TARKAN S,ACIPINAR H,TÜRER Z Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems. . 2007; 1 - 6. |
| Vancouver | Gaygusuz Ö,gürsoy gaygusuz ç,TARKAN S,ACIPINAR H,TÜRER Z Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems. . 2007; 1 - 6. |
| IEEE | Gaygusuz Ö,gürsoy gaygusuz ç,TARKAN S,ACIPINAR H,TÜRER Z "Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems." , ss.1 - 6, 2007. |
| ISNAD | Gaygusuz, Özcan vd. "Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems". (2007), 1-6. |
| APA | Gaygusuz Ö, gürsoy gaygusuz ç, TARKAN S, ACIPINAR H, TÜRER Z (2007). Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems. Ekoloji, 16(65), 1 - 6. |
| Chicago | Gaygusuz Özcan,gürsoy gaygusuz çiğdem,TARKAN Serhan Ali,ACIPINAR Hasan,TÜRER Zeynep Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems. Ekoloji 16, no.65 (2007): 1 - 6. |
| MLA | Gaygusuz Özcan,gürsoy gaygusuz çiğdem,TARKAN Serhan Ali,ACIPINAR Hasan,TÜRER Zeynep Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems. Ekoloji, vol.16, no.65, 2007, ss.1 - 6. |
| AMA | Gaygusuz Ö,gürsoy gaygusuz ç,TARKAN S,ACIPINAR H,TÜRER Z Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems. Ekoloji. 2007; 16(65): 1 - 6. |
| Vancouver | Gaygusuz Ö,gürsoy gaygusuz ç,TARKAN S,ACIPINAR H,TÜRER Z Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems. Ekoloji. 2007; 16(65): 1 - 6. |
| IEEE | Gaygusuz Ö,gürsoy gaygusuz ç,TARKAN S,ACIPINAR H,TÜRER Z "Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems." Ekoloji, 16, ss.1 - 6, 2007. |
| ISNAD | Gaygusuz, Özcan vd. "Preference of zebra mussel,Dreissena polymorpha in the diet and effect on growth of gobiids: a comparative study between two different ecosystems". Ekoloji 16/65 (2007), 1-6. |
