Results 61 to 70 of about 402 (162)
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
Environmental DNA technology has been used to identify rare sturgeons in the Ural River. The study found sturgeons at all sites in spring and autumn, confirming their semi‐anadromous ecology. This is the first documented eDNA detection of sturgeon specimens in the Ural River.
Gulmira Abileva +4 more
wiley +1 more source
Studying the manner of sturgeon fishes migration to Gorganrud and Tajan rivers
One year study was carried out to understand the sturgeon fish’s migration to Gorganrud & Tajan Rivers from September 1993. Two different catching stations were selected in each river with gillnetting method.
F. Laloei
doaj
Several steps of sturgeon somatic cell nuclear transfer (SCNT) have been recently established, but improvements are needed to make it a feasible tool to preserve the natural populations of this group of endangered species.
Effrosyni Fatira +5 more
doaj +1 more source
The declining sturgeon population has prompted increased efforts for protection and recovery, resulting in its listing on the IUCN Red List of Endangered Species. Conservation and restoration efforts for sturgeon populations are vital within the context of aquaculture.
Sara Pourhosein-Sarameh +2 more
wiley +1 more source
Acipenser gueldenstaedtii Brandt & Ratzeburg 1833
4. Acipenser gueldenstaedtii Brandt & Ratzeburg, 1833 Common name. Russian sturgeon Taxonomy. Original description: Acipenser gueldenstaedtii Brandt & Ratzeburg, 1833: 13, pl. 3 (figs. 2, 2A-E) [Caspian Sea and tributaries; Black Sea; no types known]. Revisions. Berg (1948: 78). Illustrations. Kottelat & Freyhof (2007: 51, fig.). Distribution in Iran. —
Sayyadzadeh, Golnaz +1 more
openaire +1 more source
This study aimed to examine the effect of various live foods on the fatty acids (FAs) and amino acids (AAs) profiles in Persian sturgeon (Acipenser persicus) larvae. One thousand and two hundred larvae were cultured in circular concrete tanks, and four treatments were administered as: (1) Artemia + Daphnia, (2) Artemia, (3) Artemia + Chironomid, and (4)
Iraj Efatpanah +4 more
wiley +1 more source
In the present study, our aim was to assess the effect of dietary black soldier fly oil (BSFO) with different lipid contents on the growth performance, body composition, lipid metabolism, and related gene expression in juvenile mirror carp (Cyprinus carpio var. specularis).
Xinxin Xu +4 more
wiley +1 more source
The effects of different feeding frequencies (one, two, three and four meals per day) on growth performance and feed conversion efficiency of Russian sturgeon juveniles (Acipenser gueldenstaedtii) was studied over a period of 45 days. The experiment took
Raluca Cristina ANDREI(GURIENCU) +4 more
doaj +1 more source
In the context of the need to preserve the biodiversity of natural waters, the cultivation of valuable fish species for stocking natural reservoirs takes on exceptional importance.
V. O. Kornienko, V. V. Olifirenko
doaj +1 more source

