Latest Fauna of Azerbaijan Stories
The world's largest global environmental network announces that more sturgeon species are critically endangered than any other comprehensively assessed group of speciesThe International Union for the Conservation of Nature (IUCN) today formally announced the reclassification of beluga sturgeon in the Caspian Sea as "critically endangered" on its Red List, providing strong evidence that fishing and international trade should be halted and a stock-rebuilding plan should be initiated...
Joint study by American and Kazakhstani scientists shows reducing adult mortality, rather than relying on hatchery supplementation, is key to recovery of beluga sturgeonA first-of-its-kind study of a Caspian Sea beluga sturgeon (Huso huso) fishery demonstrates current harvest rates are four to five times higher than those that would sustain population abundance. The study's results, which will be published in an upcoming issue of the journal Conservation Biology, suggest that conservation...
Latest Fauna of Azerbaijan Reference Libraries
The Barbastelle (Barbastella barbastellus), also known as the Western Barbastelle, is a European bat. It has a short nose, small eyes and wide ears. It is rare throughout its range. In Britain, only three breeding roosts are known, including Paston Great Barn in Norfolk. The Barbastelle has two main call types used for echolocation. The frequency parameters of call type 1 lie between 30-38 kHz, have most energy at 33 kHz and have an average duration of 2.5 ms.[1] The frequency parameters...
The beluga (Huso huso) is a species of anadromous fish in the sturgeon family (Acipenseridae) of order Acipenseriformes. It is found primarily in the Caspian and Black Sea basins, and occasionally in the Adriatic Sea. Heavily fished for the female's valuable roe"”known as beluga caviar"”the beluga is a large, maximum 19 feet (6 meters), slow-growing and late-maturing fish that can live for 150 years. The species' numbers have been greatly reduced by over-fishing or poaching, prompting...
