Predicting and mitigating the impact of anthropogenic barriers on migratory fish requires an understanding individual environmental factors that influence barrier passage. Here, upstream spawning migrations iteroparous twaite shad Alosa fallax were investigated over three successive in a highly fragmented river basin using passive acoustic telemetry ( n = 184). More approached passed lower reac...

The time-course of induction of CO(2) and HCO(3)- transport has been investigated during the acclimation of high CO(2)-grown Chlorella kessleri cells to dissolved inorganic carbon (DIC)-limited conditions. The rate of photosynthesis of the cells in excess of the uncatalysed supply rate of CO(2) from HCO(3)- was taken as an indicator of HCO(3)- transport, while a stimulation of photosynthesis on...

Biosorption of heavy metals from aqueous solution can be considered as an alternative technology in industrial wastewaters treatment. This innovative process uses biomaterials which are either abundant in nature such as algae, fungus, bacteria, moss or wastes coming from industrial production and biological processes such as fermentation. The paper presents results of studies carried out on bio...

Araştırma, 2020 yılı Haziran-Temmuz aylarında Düzce ili Akçakoca ilçesinde balıkçı barınağı ve Su Ürünleri Kooperatifinde gerçekleştirilmiş olup, deniz balıklarının aylık fiyat değişimleri tespit edilerek, türler yıllar arasındaki ilişkilerinin belirlenmesi amaçlanmıştır. Akçakoca’da en çok satışı yapılan hamsi (Engraulis encrasicolus ponticus), istavrit (Trachurus trachurus), mezgit (Merlangus...

In this study 288 length-weight relationships of some fish species from the Turkish coasts Black Sea were gathered 138 studies, which conducted by several researchers between 1989 and 2021. For all species, “b” values ranged 2.49 for Trachurus trachurus to 3.75 Alosa caspia. The expected range 2.5<b<3.5 is confirmed fish. It thought that high b value (3.75) given A. caspia may be ...