Results 61 to 70 of about 2,899 (159)

No additive genetic variance for tolerance to ethynylestradiol exposure in natural populations of brown trout (Salmo trutta)

open access: yesEvolutionary Applications, 2019
One of the most common and potent pollutants of freshwater habitats is 17‐alpha‐ethynylestradiol (EE2), a synthetic component of oral contraceptives that is not completely eliminated during sewage treatment and that threatens natural populations of fish.
Lucas Marques da Cunha   +5 more
doaj   +1 more source

Hybridization in Salmonidae

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1996
This paper described hybrid between two species of Salmonidae Rainbow trout (Oncorhynchus mykiss) & Caspian salmon (Salmo trutta caspius). Caspian salmon is a native fish in the Caspian Sea which migrate for spawning to the Mazandaran Rivers in the ...
R. Porgholam; H. Norozimoghaddam
doaj  

Seasonal and daily upstream movements of brown trout Salmo trutta in an Iberian regulated river

open access: yesKnowledge and Management of Aquatic Ecosystems, 2017
Migrating fish are vulnerable to anthropogenic disturbances and, to assess the impact of human activities in freshwater ecosystems, it is vital to understand their movement patterns.
García-Vega Ana   +2 more
doaj   +1 more source

Istanbul Ili (Turkiye) Tatlisu Balik Faunasi

open access: yesTurkish Journal of Bioscience and Collections, 2019
Bu calisma ile, hem Avrupa hem de Asya kitalarinin etkisinde kalan Istanbul ilinin ic su balik faunasinin belirlenmesi amaclanmistir. Balik orneklemesi lotik ve lentik biyotoplardaki 136 farkli lokalitede DC Elektrosoker ve sade ag kullanilarak ...
Mufit OZULUG, Gulsah SAC
doaj  

Fresh records on Ichthyofaunal diversity of River Panjkora Dir, Khyber Pakhtunkhwa, Pakistan

open access: yesBrazilian Journal of Biology
This study was designed to assess the ichthyofaunal diversity of River Panjkora, Khyber Pakhtunkhwa, Pakistan. For this purpose, a total of 1189 fish from six different sites were collected along the river and identified using standard keys.
Mohsin Ullah Mohsin   +1 more
doaj   +1 more source

Comparative Study of Genome Divergence in Salmonids with Various Rates of Genetic Isolation

open access: yesInternational Journal of Genomics, 2013
The aim of the study is a comparative investigation of changes that certain genome parts undergo during speciation. The research was focused on divergence of coding and noncoding sequences in different groups of salmonid fishes of the Salmonidae (Salmo ...
Elena A. Shubina   +4 more
doaj   +1 more source

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