{"id":430,"date":"2022-02-01T14:01:29","date_gmt":"2022-02-01T14:01:29","guid":{"rendered":"http:\/\/hvalredningsteam.dk\/?page_id=430"},"modified":"2022-02-01T14:26:50","modified_gmt":"2022-02-01T14:26:50","slug":"kommentarer-til-danske-hvalfund","status":"publish","type":"page","link":"http:\/\/hvalredningsteam.dk\/index.php\/kommentarer-til-danske-hvalfund\/","title":{"rendered":"Kommentarer til danske hvalfund"},"content":{"rendered":"\t\t
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Hvalen viste ikke tegn p\u00e5 mistrivsel eller skader. Ved obduktion af den d\u00f8de hval den 28.januar fandt dyrl\u00e6ge og biologer, at hvalen forekom frisk og rask,\u00a0 og umiddelbart var der ikke noget som forklarede, hvorfor den kom p\u00e5 afveje og d\u00f8de. Mange pr\u00f8ver er blevet udtaget af den d\u00f8de hval, og vil blive n\u00e6rmere unders\u00f8gt. Mens hvalen var i live, er det blevet n\u00e6vnt, at den af og til lagde sig p\u00e5 siden, mens den fl\u00f8d i vandet.<\/p>

N\u00e6bhvaler, som denne d\u00f8gling, er ligesom andre hvaler f\u00f8lsomme overfor st\u00f8j fra seismik og sonar, som kan f\u00f8re til permanent h\u00f8reneds\u00e6ttelse og i yderste tilf\u00e6lde d\u00f8d. International forskning har allerede for mange \u00e5r siden p\u00e5vist, at n\u00e6bhvaler er s\u00e6rlig f\u00f8lsomme. Lydp\u00e5virkning over et vist niveau medf\u00f8rer en \u201ddykkersyge-lignende\u201d tilstand, og hvalen vil miste evnen til at navigere og orientere sig. Som n\u00e6vnt lagde denne n\u00e6bhval sig flere gange p\u00e5 siden, hvilket kunne tyde p\u00e5, at den var skadet af st\u00f8j.<\/p>

Seismik anvendes ved efters\u00f8gning efter olie mm i havet (pt i Nords\u00f8en). Sonar anvendes af milit\u00e6ret, hvor der i vore indre farvande findes et milit\u00e6rt \u00f8veomr\u00e5de n\u00e6r Sj\u00e6llands Odde. Det vil v\u00e6re relevant at unders\u00f8ge, om der i tiden forud for at n\u00e6bhvalen dukkede op er blevet udf\u00f8rt denne type \u00f8velser.<\/p>

Der er p\u00e5 hvaler med s\u00e5dan \u201ddykkersyge\u201d ved CT-scanning, blevet p\u00e5vist en subaraknoidal bl\u00f8dning.<\/p>

Billedet her viser subaraknoidal bl\u00f8dning p\u00e5 et menneske (det hvide omr\u00e5de ved pilen)<\/p>

\u00a0<\/p>

\u00a0<\/p>

ARTIKLER om emnet :<\/p>

Understanding the impacts of anthropogenic sound on beaked whales <\/strong>, J. CETACEAN RES. MANAGE. 7(3):177\u2013187, 2006 177<\/p>

ABSTRACT<\/p>

This review considers the effect of anthropogenic sound on beaked whales. Two major conclusions are presented: (1) gas-bubble disease, induced in supersaturated tissue by a behavioural response to acoustic exposure, is a plausible pathologic mechanism for the morbidity and mortality seen in cetaceans associated with sonar exposure and merits further investigation; and (2) current monitoring and mitigation methods for beaked whales are ineffective for detecting these animals and protecting them from adverse sound exposure. In addition, four major research priorities, needed to address information gaps on the impacts of sound on beaked whales, are identified: (1) controlled exposure experiments to assess beaked whale responses to known sound stimuli; (2) investigation of physiology, anatomy, pathobiology and behaviour of beaked whales; (3) assessment of baseline diving behaviour and physiology of beaked whales; and (4) a retrospective.<\/p>

Endvidere:<\/p>

\u201cActive sonar, beaked whales and European regional policy\u201d<\/strong> , Marine Pollution Bulletin 63 (2011) p. 27-34<\/p>

\u201cNavy sonar, cetaceans and the US Supreme Court: A review of cetacean mitigation and litigation in the US\u201d,<\/strong> Marine Pollution Bulletin 63\u00a0 (2011) p.40-48<\/p>

\u201cCetaceans and military sonar: A need for better management\u201d<\/strong>, Marine Pollution Bulletin 63 (2011) p.1-4<\/p>

”Gas and Fat Embolic Syndrome” Involving a Mass Stranding of Beaked Whales (Family Ziphiidae). Exposed to Anthropogenic Sonar Signals\u201d,<\/strong> Vet Pathol 42:446\u2013457 (2005)<\/p>

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