Results 71 to 80 of about 8,528 (186)

Implications of climate‐change‐induced stressors and water management for sterlet populations in the Middle and Upper River Danube

open access: yesRiver Research and Applications, Volume 41, Issue 2, Page 448-465, February 2025.
Abstract Sturgeons are a group of iconic rheophilic fish whose populations worldwide are currently undergoing significant declines. The study investigates the impact of climate change and anthropogenic activities, particularly the Gabčíkovo barrage system, on the survival and distribution of the sterlet, the last surviving sturgeon species in the ...
Martin Šindler   +6 more
wiley   +1 more source

Molecular analysis of phylogeographic subspecies in three Ponto-Caspian sturgeon species

open access: yesGenetics and Molecular Biology, 2014
Sturgeons (Order Acipenseriformes) represent an extremely valuable natural resource that is now facing depletion. In the current study we evaluate if the traditional classification in subspecies of Acipenser gueldenstaedtii, Acipenser stellatus and Huso ...
Andreea Dudu   +2 more
doaj   +1 more source

BIOACCUMULATION OF MERCURY AND SELENIUM IN THE BODY OF THE RUSSIAN (ACIPENSER GUELDENSTAEDTII) AND THE PERSIAN (ACIPENSER PERSICUS) STURGEONS

open access: yesVestnik of Astrakhan State Technical University. Series: Fishing industry, 2017
The purpose of the research was to study accumulation of mercury and selenium in muscles and liver of Russian and Persian sturgeons caught in the Caspian Sea. Analysis of the data revealed preferential accumulation of mercury and selenium in liver compared to muscle tissues of both species.
Vladimir Aleksandrovich Chaplygin   +4 more
openaire   +1 more source

Exploring Prey Selectivity and Feeding Habits of Wels Catfish (Silurus glanis L., 1758) in a Deep Anatolian Reservoir: Seasonal, Length, and Age‐Dependent Diet Analysis

open access: yesAquaculture Nutrition, Volume 2025, Issue 1, 2025.
Feeding habits and dietary preferences of wels catfish (Silurus glanis) were investigated in Sıddıklı Dam Lake through the examination of 200 individuals. The results revealed that the species predominantly exhibited piscivorous feeding characteristics, with Tinca tinca (IRI% = 78.93) identified as the primary food source. The food items in the stomach
Ramazan Yazici   +3 more
wiley   +1 more source

Next-Generation Sequencing to Determine Changes in the Intestinal Microbiome of Juvenile Sturgeon Hybrid (Acipenser gueldenstaedtii♀ × Acipenser baerii♂) Resulting from Sodium Butyrate, Β-Glucan and Vitamin Supplementation

open access: yesGenes
Background/Objectives: The effect of sodium butyrate (NaB), β-glucan (βG) and vitamins in the diet on gut microbiome, cortisol level, lysozyme activity and growth parameters of juvenile hybrid sturgeon (Acipenser gueldenstaedtii♀ × Acipenser baerii♂) was
Martyna Arciuch-Rutkowska   +4 more
semanticscholar   +1 more source

Distribution of Odorant Compounds in Recirculating Aquaculture Systems Used in Sturgeon Farming

open access: yesAquaculture Research, Volume 2025, Issue 1, 2025.
This study investigated the distribution of odorant compounds in water collected from the tank, drum filter, biological filter, and UV system outlets and the sludge inside the drum filter across two sturgeon RAS farms. A combinatory sensory‐analytical approach was applied to assess the aroma profiles via descriptive sensory analysis and the odorant ...
Mariana Rodrigues da Silva   +5 more
wiley   +1 more source

Initial salinity tolerance and ion-osmotic parameters in juvenile Russian sturgeon, Acipenser gueldenstaedtii, Brandt, 1833 [PDF]

open access: yes, 2011
The salinity tolerance, hematological and hydromineral regulation capabilities of juvenile Russian sturgeon (Acipenser gueldenstaedtii) were investigated in different ages and sizes in freshwater (FW: 0.05) but differed in experimental media (p0.05 ...
Najafpour, S.   +3 more
core   +1 more source

Изменение содержания продуктов окислительной модификации белков в сыворотке крови у различных видов осетровых при их адаптации к гиперосмотической среде

open access: yesИнтегративная физиология, 2023
В данной работе исследовали изменения окислительной модификации белков (ОМБ) сыворотки крови у осетровых разных эколого-физиологических групп в процессе их адаптации к морской воде с целью выяснения физиолого-биохимических различий в функционировании ...
Анна Вадимовна Вьюшина   +2 more
doaj   +1 more source

Sperm Quality, Seminal Characteristics, and Their Relationship in the Bulatmai Barbel (Luciobarbus capito) Following First and Second Stripping During the Breeding Season

open access: yesAquaculture Research, Volume 2025, Issue 1, 2025.
The present study investigated the effects of multiple sperm collections on sperm quality, seminal plasma ionic and biochemical parameters, and the relationship between measured variables in the Bulatmai barbel (Luciobarbus capito) during the breeding season.
Erfan Akbari Nargesi, Danial Gorouhi
wiley   +1 more source

Environmental DNA for monitoring the impact of offshore wind farms on fish and invertebrate community structures

open access: yesEnvironmental DNA, Volume 6, Issue 4, July–August 2024.
Offshore windfarms are marine areas that are difficult to access, and innovative monitoring techniques are needed to study their impact on marine biodiversity. Water sampling and trawl catches conducted in parallel in 30 sites in the Belgian part of the North Sea showed that 12S eDNA metabarcoding retrieved 85.7% of the fish species caught in the beam ...
Isolde Cornelis   +7 more
wiley   +1 more source

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