Navigation Links
Acoustical Meeting, Nov. 10-14, 2008 in Miami, Florida
Date:11/5/2008

mming the waters off British Columbia and Washington State are known for their predilection for Chinook salmon, even in the months when the Chinook make up just 10 to 15 percent of the salmon swimming in the waters. How is it that the killer whales, with males weighing up to 12,000 pounds, can sort through the schools of salmon and find the Chinook swimming among the Coho and Sockeye salmon?

That question intrigued bioacoustician Whitlow Au, of the Hawaii Institute of Marine Biology, Kailua, and colleagues John Horne and Christopher Jones, of the University of Washington, Seattle. The discriminating taste of the killer whales suggested that the marine mammals were using echolocation to select their dinner, and the scientists wanted to determine why a Chinook sounds different than a Coho or Sockeye. Au's team used simulated killer whale echolocation signals and the measured the structure of the echoes as they bounced back from the three salmon species.

The results indicate that "the echo structure from similar sized but different species of salmon were different and probably recognizable by foraging killer whales." Au said that the radiographic images of the echoes show differences in the "swimbladder shape and volume" in the different species, and the whales can use that to pick the fish they like. The results, Au said, suggest that an echo-sounder could be developed that, when pointed down into the water, could be used to discriminate among salmon species.

The talk, "Backscatter measurements of three species of salmon using simulated killer whale echolocation signals" (2pAB2) by Whitlow W. L. Au, John K. Horne, and Christopher D. Jones will be at 1:50 p.m. on Tuesday, November 11.


2) GIVING A NEW VOICE TO LARYNGECTOMY PATIENTS

Prosthetics for patients with cancer have improved significantly using new technologies, materials, and methods such that their disease and its effects are not apparent to those
'/>"/>

Contact: Jason Bardi
jbardi@aip.org
301-209-3091
American Institute of Physics
Source:Eurekalert

Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Related biology news :

1. 156th Acoustical Society of America Meeting, Nov. 10-14, 2008 in Miami
2. At ACS national meeting, global initiative set to tackle water issues
3. Society for General Microbiology 161st Meeting, University of Edinburgh
4. Scripps Florida scientists awarded $1.5M to fight major water and food parasites
5. Floridas worm grunters collect bait worms by inadvertently imitating mole sounds
6. New studies find global warming will have significant economic impacts on Florida coasts
7. Florida researchers receive JDRF Excellence in Clinical Research Award
8. Fecal microorganisms inhabit sandy beaches of Florida
9. DHS Expands Biometrics-at-Sea Program to the Florida Straits
10. ASNTR 15th anniversary meeting to be held May 1-3 in Florida
11. New south Florida nursery to focus on staghorn corals
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/9/2014)... Sexual selection refers to species, selection for traits that ... of natural selection enhances opportunities to mate, the tail ... at the University of California, Riverside have now found ... a placenta are linked. Describing the life histories ... family Poeciliidae, the researchers found that species with placentas ...
(Date:7/9/2014)... (TCGA) Research Network have identified novel mutations in ... most common subtype of lung cancer. Knowledge of ... possible therapeutic targets for this disease and potentially ... mutations because many potent cancer drugs that target ... funded and managed by the National Cancer Institute ...
(Date:7/9/2014)... With grilling season upon us, many backyard cooks are ... fatty hot dogs. But low fat can sometimes mean ... addressing the texture problem in low-fat wieners that are ... study was published in ACS, Journal of Agricultural ... colleagues note that hot-dog consumers have come to expect ...
Breaking Biology News(10 mins):Biologists link sexual selection and placenta formation 2Biologists link sexual selection and placenta formation 3Biologists link sexual selection and placenta formation 4Study identifies novel genomic changes in the most common type of lung cancer 2Study identifies novel genomic changes in the most common type of lung cancer 3
... those hoping to start or extend a family should ... Current clinical guidelines already recommend that women who are ... based on the knowledge that cholesterol is essential for ... the risk of congenital anomalies in children of pregnant ...
... pollution are decreasing the growth of trees in the northern ... in Global Change Biology . Tree growth, measured ... and this is set to increase to a 17% reduction ... four times greater now than prior to the Industrial Revolution ...
... momentum of,September,s impressive showing at the ePassports EAC Conformity ... advances its role as the,world,s ePassport leader by being ... advanced second-generation ePassports based on the,Extended Access Control (EAC) ... ePassports represent the beginning of an evolution that,will improve ...
Cached Biology News:Statin warning for pregnant women 2Surface-level ozone pollution set to reduce tree growth 10 percent by 2100 2The Finnish Population Register Centre to Deploy Entrust EAC ePassport CA Solution 2The Finnish Population Register Centre to Deploy Entrust EAC ePassport CA Solution 3The Finnish Population Register Centre to Deploy Entrust EAC ePassport CA Solution 4
(Date:1/15/2014)... 15, 2014 2013 was a banner ... State Technologies®. They saw continued independent research led by ... were awarded a $1 million grant from the Susanne ... and Behavior” a peer reviewed journal, Amy Grant highlighted ...
(Date:1/14/2014)... Date: Friday, April 11, 2014 , Time: 6 p.m. – ... Warrington, Pa. , Details: The Hepatitis B Foundation, ... cure for hepatitis B and improving the quality of life ... on Friday, April 11 at Warrington Country Club in Warrington, ...
(Date:1/14/2014)... pet owners drew up their lists of New Year,s resolutions for ... of my furry companion." Nowadays there are pet salons, dog and ... take the little canine or feline darlings along wherever mommy or ... pricey toys at the pet store. But anyone who has ever ...
(Date:1/14/2014)... iLab Solutions, the leader in core facility ... of Product Strategy. In this role, Michelle will work with ... guide in the development of iLab products. Her main goal ... benefit to the scientific community by offering the most advanced, ...
Breaking Biology Technology:Dynamic Innovative Technology Showcased at Scottsdale Company’s Open House 2Dynamic Innovative Technology Showcased at Scottsdale Company’s Open House 3Hepatitis B Foundation to Host Annual Crystal Ball Gala 2New Year's Resolution: Give Pets the Gift of Top-Notch Health Care 2iLab Solutions Announces Michelle Detwiler as the New Director of Product Strategy 2
... Sept. 8 /PRNewswire-FirstCall/,-- Concuity, a healthcare division ... a leading,provider of contract management and revenue ... today announced that Valley Baptist Health,System has ... more,accurately calculate payments from managed care and ...
... (Nasdaq: CTICD ; and MTA: CTIC) announced ... Listing Qualifications Staff of The NASDAQ Stock,Market LLC ... with the,$50,000,000 minimum market value of listed securities ... the Company does not,comply with NASDAQ Marketplace Rule ...
... Just as test pilots push planes to explore ... Standards and Technology (NIST) are probing the newest ... the nanoscale. Better nanoscale measurements are critical for ... and nanomanufacturing industries. , This new microscope technology ...
Cached Biology Technology:Valley Baptist Health System Selects Concuity's ClearContracts to More Accurately Calculate Payments from Managed Care and Government Payers 2Valley Baptist Health System Selects Concuity's ClearContracts to More Accurately Calculate Payments from Managed Care and Government Payers 3Valley Baptist Health System Selects Concuity's ClearContracts to More Accurately Calculate Payments from Managed Care and Government Payers 4CTI Receives NASDAQ Letter 2CTI Receives NASDAQ Letter 3NIST studies how new helium ion microscope measures up 2
... SYBR Green II RNA gel stain ... has bright fluorescence when bound to RNA and ... use with either formaldehyde/agarose or polyacrylamide gels using ... stains 50 minigels. A 1 mL unit size ...
Sirtuin 7 (SIRT7) Rabbit anti-Human Polyclonal Antibody Immunogen: Synthetic peptide - KLH conjugated Family: Other Recommended Storage: Long term: -20C; Short term: +4C...
... RSH-4000 is the only microplate sealer with ... long walkaway times with a variety of ... Fully automated with integrated stacker and 240-plate ... EX for use in small workcells , ...
... Reagents for the differentiation of mouse embryonic ... bodies exist in the midbrain, where they ... the ventral tegmental area, and the retrorubral ... to extensive forebrain dopamine innervation ( e.g.projections ...
Biology Products: