Results 21 to 30 of about 3,318 (230)

Environmental DNA Reveals the Fish Community Structure Exhibited Instability and Trend of Miniaturization in the Xijiang River Basin of the Guizhou. [PDF]

open access: yesEcol Evol
Monitoring of fish communities is of great significance for the management and sustainability of river ecosystems. Environmental DNA (eDNA) metabarcoding technology has been demonstrated to be a highly sensitive biomonitoring tool. Nevertheless, it has seldom been tested in mountainous rivers within the geographically complex Karst region.
Ma X   +5 more
europepmc   +2 more sources

Conservation Status and Effectiveness of the National and International Policies for the Protection and Conservation of Sturgeons in the Danube River and Black Sea Basin

open access: yesDiversity, 2023
Rivers and their watersheds have been subject to various changes, including biodiversity, caused by anthropogenic activities. The Danube River and Black Sea basin overlap the geographic range of six species of anadromous fish belonging to the family ...
Daniela Strat   +1 more
doaj   +1 more source

Winter refuge for freshwater fish [PDF]

open access: yesE3S Web of Conferences, 2023
The ecological aspect of the behavioral and physiological adaptation of fish in the autumn-winter period in water bodies of the temperate and subarctic climatic zones of the Northern Hemisphere is considered.
Chemagin Andrey A.
doaj   +1 more source

A comparative study on the anti‐bacterial properties of three types of silver nano packaging based on ( PLA , TiO 2 , PE ) on Husinae Acipenseridae ( Huso huso ) [PDF]

open access: goldSPE Polymers, Volume 5, Issue 4, Page 590-609, October 2024.
Preparation of nanocomposites and their antibacterial effect. Abstract Nanoparticles (NPs) in a variety of types are used in food packaging films. Ag NPs and Ag@TiO2 NPs were embedded in polyethylene (PE) and polylactic acid (PLA) based films in an effort to create unique films that would effectively extend the shelf life of beluga sturgeon fish.
Fatemeh Salimi   +3 more
openalex   +2 more sources

Unscreened water-diversion pipes pose an entrainment risk to the threatened green sturgeon, Acipenser medirostris. [PDF]

open access: yes, 2014
Over 3,300 unscreened agricultural water diversion pipes line the levees and riverbanks of the Sacramento River (California) watershed, where the threatened Southern Distinct Population Segment of green sturgeon, Acipenser medirostris, spawn.
Bandeh, Hossein   +9 more
core   +11 more sources

Molecular cytogenetic differentiation of paralogs of Hox paralogs in duplicated and re-diploidized genome of the North American paddlefish (Polyodon spathula). [PDF]

open access: yes, 2017
BackgroundAcipenseriformes is a basal lineage of ray-finned fishes and comprise 27 extant species of sturgeons and paddlefishes. They are characterized by several specific genomic features as broad ploidy variation, high chromosome numbers, presence of ...
Amemiya, Chris T   +7 more
core   +4 more sources

Diversity of immunoglobulin light chain genes in non-teleost ray-finned fish uncovers IgL subdivision into five ancient isotypes [PDF]

open access: yes, 2018
The aim of this study was to fill important gaps in the evolutionary history of immunoglobulins by examining the structure and diversity of IgL genes in non-teleost ray-finned fish.
Andreyushkova, Daria A   +14 more
core   +5 more sources

Jesetre (Acipenseridae) - relikti prapovijesne ihtiofaune

open access: greenCroatian Journal of Fisheries : Ribarstvo, 2000
The work presents systematic, biology, areal diffusion and measures for prevention of the fish species from the family of sturgeons (Acipenseridae). Problems and possibilities of cultivating some sturgeon species in aquaculture are stressed. Based on the past results of sturgeon cultivation in the aquaculture of the Check Republik one has come to the ...
Jiri Jirasek, Krešimir Fašaić
  +7 more sources

Is the Mesolithic-Neolithic Subsistence Dichotomy Real? New Stable Isotope Evidence from the Danube Gorges [PDF]

open access: yes, 2004
The article presents new results of stable isotope analyses made on animal and human bones from the Mesolithic-early Neolithic sites of Lepenski Vir and Vlasac in the Danube Gorges of the Balkans.
Borić, Dušan   +3 more
core   +1 more source

Documentation Related to a 1991 Observation of Sturgeon in the Rio Grande – Río Bravo, USA (Texas) and Mexico (Coahuila) [PDF]

open access: yes, 2018
This digital archive provides a compilation of previously unpublished information regarding a 1991 observation of a live sturgeon (Family Acipenseridae) in the Rio Grande-Río Bravo of the USA and Mexico.
Cohen, Adam E.   +2 more
core   +1 more source

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