Results 11 to 20 of about 3,771 (234)
Surgery in Iranian Sturgeons [PDF]
Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1993 Surgery in Iranian ...
B. Mokhair
doaj +3 more sources
Diversity, 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
exaly +3 more sources
Research Tools to Investigate Movements, Migrations, and Life History of Sturgeons (Acipenseridae), with an Emphasis on Marine-Oriented Populations [PDF]
PLoS ONE, 2013 Worldwide, sturgeons (Acipenseridae) are among the most endangered fishes due to habitat degradation, overfishing, and inherent life history characteristics (long life span, late maturation, and infrequent spawning).
Joseph Hightower +2 more
exaly +2 more sources
Identification of Hybrid Sturgeon (Acipenser baerii × Acipenser schrenckii) from Their Parents Using Germplasm [PDF]
AnimalsThe hybrid sturgeon Acipenser baerii × A. schrenckii is the most widely cultured commercial sturgeon in China. However, its morphological similarity to the parental species frequently leads to misuse of germplasm in the breeding process, resulting in a ...
Shiyong Yang +13 more
doaj +2 more sources
Consumers' taste for rarity drives sturgeons to extinction
Conservation Letters, 2008 The international market for luxury goods puts pressure on many wildlife species, with potentially irreversible consequences for many of them. Although classical economic theory suggests that trade alone would not drive a rare species to extinction, in ...
Yves Meinard, Franck Courchamp
exaly +2 more sources
Surveying infection of Sturgeons with Polypodium Hydriform [PDF]
Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1994 The study was conducted to identify parasite and to investigate the extent and intensity of infection in female sturgeons. Babolsar and Bandar_Turk men fishing grounds in Mazandaran province were selected as study sites.
R. Porgholam
doaj +3 more sources
Heavy metal bio-accumulation in tissues of sturgeon species of the Lower Danube River, Romania [PDF]
Scientific Annals of the Danube Delta Institute, 2013 This study investigates bio-accumulation of heavy metals in tissues of sturgeons of the North-Western Black Sea and Lower Danube River (LDR). Samples (10 – 30 gr) of liver, muscle, fat, gonads and skin tissues collected in October 2003 from 21 adult ...
ONĂRĂ Dalia Florentina +3 more
doaj +1 more source
Koi herpes virus: do acipenserid restitution programs pose a threat to carp farms in the disease-free zones? [PDF]
Acta Ichthyologica et Piscatoria, 2009 Background. Sturgeons have long been extinct in Polish inland waters. A substantial effort has recently been put into their restitution, covering the drainage areas of two major Polish rivers, the Oder and the Vistula.
S.M. Bergmann +7 more
doaj +3 more sources
Юг России: экология, развитие, 2023 Aim. The aim of this study was to conduct an analysis of long‐term changes in the number of sturgeon populations and its relationship with the fishing regime and the current state of the Ural River basin, as well as develop measures for the conservation ...
K. M. Akhmedenov, A. A. Chibilev
doaj +1 more source
Integrated Environmental Assessment and Management, EarlyView., 2023 Abstract In the Lake Koocanusa‐Kootenai River system (Montana, USA and British Columbia, Canada), selenium (Se) contamination has become an international concern and is suspected to contribute to the observed burbot (Lota lota) population collapse. Due to our limited ability to sample burbot in Lake Koocanusa for monitoring studies, we used a reference
Stephanie D. Graves +6 more
wiley +1 more source