Matches in SemOpenAlex for { <https://semopenalex.org/work/W2247588369> ?p ?o ?g. }
Showing items 1 to 79 of
79
with 100 items per page.
- W2247588369 abstract "It has been known for decades that, to trap prey, humpback whales sometimes employ ‘bubble nets’ in the form of hollow cylinders. The cylinder wall contains a dense population of bubbles, but the interior is comparatively bubble-free. A group ofwhales may cooperate, diving and then rising in a helix, releasing bubbles to form nets of 3 to 30 metres diameter. The prey congregate in the bubblefree centre and are then consumed by the whales, which rise from below. The imprecision of the explanations of why prey refuse to escape through the walls is probably the reason why, although thephenomenon is described frequently on the internet, it seldom appears in formal scientific literature. This article suggests that the acoustic properties of the nets warrant investigation, and speculates on possible mechanisms by which the nets might act. For example, the trumpeting calls emitted by the whales, when they produce these nets, may become trapped within the bubble wall, generating high intensities there. These calls (which human reporters have subjectively described as disconcerting and even alarming) are so loud that they resound throughout the hull of any nearby ship. This article shows that, under certain insonification conditions, sound can be concentrated within the wall of the net, leaving the inside of the cylinder (where the fish congregate) almost silent. The natural schooling response of fish to the ‘wall of sound’ which they encounter if they try to leave the trap makes them a compact meal when the whales rise up from beneath, with their mouths open. The possibilities of this, and related acoustical effects, are discussed." @default.
- W2247588369 created "2016-06-24" @default.
- W2247588369 creator A5007155733 @default.
- W2247588369 creator A5049699235 @default.
- W2247588369 creator A5090702210 @default.
- W2247588369 date "2004-01-01" @default.
- W2247588369 modified "2023-09-26" @default.
- W2247588369 title "Trapped within a 'wall of sound': a possible mechanism for the bubble nets of the humpback whales" @default.
- W2247588369 hasPublicationYear "2004" @default.
- W2247588369 type Work @default.
- W2247588369 sameAs 2247588369 @default.
- W2247588369 citedByCount "13" @default.
- W2247588369 countsByYear W22475883692014 @default.
- W2247588369 countsByYear W22475883692015 @default.
- W2247588369 crossrefType "journal-article" @default.
- W2247588369 hasAuthorship W2247588369A5007155733 @default.
- W2247588369 hasAuthorship W2247588369A5049699235 @default.
- W2247588369 hasAuthorship W2247588369A5090702210 @default.
- W2247588369 hasConcept C111368507 @default.
- W2247588369 hasConcept C121332964 @default.
- W2247588369 hasConcept C127313418 @default.
- W2247588369 hasConcept C144024400 @default.
- W2247588369 hasConcept C149923435 @default.
- W2247588369 hasConcept C157915830 @default.
- W2247588369 hasConcept C203718221 @default.
- W2247588369 hasConcept C205649164 @default.
- W2247588369 hasConcept C24890656 @default.
- W2247588369 hasConcept C2777324915 @default.
- W2247588369 hasConcept C2777704720 @default.
- W2247588369 hasConcept C2908647359 @default.
- W2247588369 hasConcept C2909208804 @default.
- W2247588369 hasConcept C505870484 @default.
- W2247588369 hasConcept C57879066 @default.
- W2247588369 hasConcept C74126248 @default.
- W2247588369 hasConcept C86803240 @default.
- W2247588369 hasConceptScore W2247588369C111368507 @default.
- W2247588369 hasConceptScore W2247588369C121332964 @default.
- W2247588369 hasConceptScore W2247588369C127313418 @default.
- W2247588369 hasConceptScore W2247588369C144024400 @default.
- W2247588369 hasConceptScore W2247588369C149923435 @default.
- W2247588369 hasConceptScore W2247588369C157915830 @default.
- W2247588369 hasConceptScore W2247588369C203718221 @default.
- W2247588369 hasConceptScore W2247588369C205649164 @default.
- W2247588369 hasConceptScore W2247588369C24890656 @default.
- W2247588369 hasConceptScore W2247588369C2777324915 @default.
- W2247588369 hasConceptScore W2247588369C2777704720 @default.
- W2247588369 hasConceptScore W2247588369C2908647359 @default.
- W2247588369 hasConceptScore W2247588369C2909208804 @default.
- W2247588369 hasConceptScore W2247588369C505870484 @default.
- W2247588369 hasConceptScore W2247588369C57879066 @default.
- W2247588369 hasConceptScore W2247588369C74126248 @default.
- W2247588369 hasConceptScore W2247588369C86803240 @default.
- W2247588369 hasLocation W22475883691 @default.
- W2247588369 hasOpenAccess W2247588369 @default.
- W2247588369 hasPrimaryLocation W22475883691 @default.
- W2247588369 hasRelatedWork W1204527634 @default.
- W2247588369 hasRelatedWork W1504495694 @default.
- W2247588369 hasRelatedWork W1760955414 @default.
- W2247588369 hasRelatedWork W1977065863 @default.
- W2247588369 hasRelatedWork W1982085853 @default.
- W2247588369 hasRelatedWork W1991506848 @default.
- W2247588369 hasRelatedWork W1999989657 @default.
- W2247588369 hasRelatedWork W200177898 @default.
- W2247588369 hasRelatedWork W2005062284 @default.
- W2247588369 hasRelatedWork W2018409188 @default.
- W2247588369 hasRelatedWork W2050265514 @default.
- W2247588369 hasRelatedWork W2054132450 @default.
- W2247588369 hasRelatedWork W2063083942 @default.
- W2247588369 hasRelatedWork W2065001189 @default.
- W2247588369 hasRelatedWork W2077493310 @default.
- W2247588369 hasRelatedWork W2079104743 @default.
- W2247588369 hasRelatedWork W2100787399 @default.
- W2247588369 hasRelatedWork W2107833575 @default.
- W2247588369 hasRelatedWork W2254657002 @default.
- W2247588369 hasRelatedWork W5428612 @default.
- W2247588369 isParatext "false" @default.
- W2247588369 isRetracted "false" @default.
- W2247588369 magId "2247588369" @default.
- W2247588369 workType "article" @default.