567-575
Key words: Gammarus, new species, freshwater, Bartın, Turkey
A new freshwater amphipod species, Gammarus obruki sp. nov., from Turkey (Amphipoda: Gammaridae)
Gammarus baysali sp. nov., a new freshwater amphipod species from Turkey (Amphipoda: Gammaridae)
Murat ÖZBEK, Levent YURGA, Okan KÜLKÖYLÜOĞLU
Murat ÖZBEK, Hamidreza RASOULI
Cumhuriyetin İlk Yıllarında Bartın’ın Ekonomik Yapısı
A new species and new records of Hydrophilidae (Coleoptera) from Turkey
Abdullah MART, Ümit İNCEKARA, Hanifi KARACA
Twenty-four new records for the freshwater algae of Turkey