Gökçeada (Ege Denizi)’nın Kayalık Üst Inftalittoral Kıyılarının Peracarid Crustacea Türleri

Abstract

Peracarid crustacea faunanın bolluğu, Kuzey Ege Denizi'nde yer alan Gökçeada Ada'nın mekansal ölçeğinde incelenmiştir. Örnekler, 2010 ve 2011 yıllarında 0,1-0,5 m derinliğindeki 13 kıyı istasyonundan mevsimsel olarak toplanmıştır. Numuneler, 20 x 20 cm olan kuadrat aracılığıyla sert zeminden kazınmış ve 0,5 mm göz açıklığına sahip elekten geçirilmiştir. Tüm peracarid türlerin, tür teşhisi ve sayılmaları sonucunda, 88 türe ait toplam 142.906 birey/m² elde edilmiş ve bunların 66’sı adanın faunası için yeni kayıttır. Amphipodlar hem tür zenginliği hem de bolluk açısından baskın grup olduğu saptanmıştır. Ampithoe ramondi, Hyale schmidti ve Elasmopus brasiliensis en bol bulunan türlerdir. Çalışmada ayrıca tür sayısı, birey sayısı, zenginlik indeksi, düzenlilik indeksi, çeşitlilik indeksi ve istasyonların benzerlikleri de tartışılmıştır. 

Keywords

• Peracarida,Crustacea,Gokceada,Ege Denizi

Peracarid Crusteceans Species from Upper Infralittoral Rocky Shores of Gokceada Island (Aegean Sea)

Abstract

The abundance of the peracarid crustacean fauna were studied on a spatial scale of Gokceada Island which is located Northern Aegean Sea. Samples were collected seasonally from 13 coastal stations at depth 0.1-0.5 m, during years of 2010 and 2011. The surface was scraped by means 20 x 20 cm quadrats and sieving 0.5 mm mesh size. Result of identified and counting all peracarid species, a total of 142,906 individuals/m² were obtained belonging to 88 species and 66 of them were new record for the island’s fauna. Amphipods were the dominant group both in terms of species Margalef richness and abundance. Ampithoe ramondi, Hyale schmidti and Elasmopus brasiliensis were the most abundant species. Number of species, density, richness, evenness, diversity of stations and similarity are also discussed.

Keywords

• Peracarida,Crustacea,Gokceada,Aegean Sea

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