Results 71 to 80 of about 3,012 (197)

Environmental DNA detection of Arctic char (Salvelinus alpinus) in Irish lakes: Development and application of a species‐specific molecular assay

open access: yesEnvironmental DNA, 2020
Populations of Arctic char (Salvelinus alpinus) inhabiting Irish lakes are undergoing a rapid decline. In order to aid monitoring of this species in Irish lakes, a species‐specific qPCR assay was designed and subsequently tested for the detection of ...
Luca Mirimin   +6 more
doaj   +1 more source

THREATENED FISHES OF THE WORLD: SALMO OBTUSIROSTRIS SALONITANA (KARAMAN, 1926) (SALMONIDAE) [PDF]

open access: yesCroatian Journal of Fisheries, 2012
Soft-muzzled trout is an endemic vulnerable species protected in Croatia. It is endangered by river regulation, industrial pollution and above all by a very restricted distribution and hybridization with foreign trout. Urgent habitat protection with bans
Nikica Šprem   +4 more
doaj  

Researches Concerning Reference Values Assessment of Serum Biochemical Parameters in some Fish Species from Acipenseridae, Cyprinidae, Esocidae and Salmonidae Family

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The purpose of this work was to assess reference values of serum biochemical indices (enzymes, metabolites and minerals) in some representative fish species belonging to Acipenseridae, Cyprinidae, Esocidae and Salmonidae family in order to establish a ...
Marioara Nicula   +7 more
doaj  

Fishes Distribution Assay in Tonekabon River

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1999
This research was done in Tonekabon river in 1996. The results indicated that the Tonekabon river fishes belong to 5 families as Salmonidae, Cyprinidae, Athenrinidae, Cobitidae and Gobiidae.
M. Afraei; F. Laloei
doaj  

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

Genetic diversity in Chilean populations of rainbow trout, Oncorhynchus mykiss

open access: yesLatin American Journal of Aquatic Research, 2015
The rainbow trout Oncorhynchus mykiss, was first introduced in Chile between 1905 and 1920 and is currently widely distributed in Chile from Antofagasta (23°S) to Patagonia (55°S).
Claudia B Cárcamo   +2 more
doaj   +1 more source

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

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