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

Raton, FL, set out in 1991 to investigate what might be the underlying cause for these collisions. Gerstein disagreed with prevailing beliefs that manatees were just too slow and are unable to learn to get out of the way of the boats, so the boats had to slow down. He noted manatees have the "cognitive prowess to learn and remember as well as dolphins and killer whales," and when motivated "manatees can explode with a burst of power and move about 21 feet in a second." He asked some simple questions "After a manatee has been hit more than once (some have been hit up to 50 different times) why doesn't the animal learn to get out of the way?" Is it possible manatees are not aware or cannot hear the sounds of an approaching boat?

After a comprehensive series of hearing studies, Gerstein's research revealed that manatees cannot hear the dominant low frequency sounds of boats and that those sounds do not propagate well in shallow water. "Ironically, slow speed zones result in quieter and lower frequency sounds which manatees can not hear and locate in many shallow water conditions." In Florida's murky waters, where boaters and manatees cannot see each other, slow speed zones exacerbate the risks of collisions, by making these boats inaudible to manatees and increasing the transect times through manatee habitats.

Gerstein and his late colleague, Dr. Joe Blue, developed a narrowly focused alarm that emits a high-frequency signal in front of boats and other watercraft to alert manatees that may be in the path of an oncoming craft.

Gerstein has been testing this alarm in a NASA wildlife refuge where controlled studies are possible. He has reported that 100 percent of the controlled approaches toward manatees by a boat with the alarm have resulted in the manatees avoiding the boat up to 30 yards away. Only 3 percent of the manatees approached by the same boat, without the alarm, moved to avoid the boat. Gerstein notes that the alarm is tailo
'/>"/>

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:9/18/2014)... Worcester, Mass. A novel robotic system that can ... currently being tested as part of a biomedical research ... with the aim of determining if the robot, in ... biopsies faster, more accurate, less costly, and less discomforting ... potential to deliver prostate cancer therapies with greater precision. ...
(Date:9/18/2014)... season that prompts millions of Americans to undertake jaunts into ... last a little longer within a century, according to new ... some areas of the United States as summer temperatures linger ... journal Global Ecology and Biogeography . For instance, the ... state tree of New Hampshire could change color one ...
(Date:9/18/2014)... 18, 2014 -- Arizona turned its newborn screening program into ... short months, earning it the first-ever Newborn Screening Quality Award ... Dimes presented Will Humble, M.P.H., Arizona,s Department of Health Services ... Mr. Humble established a policy of full transparency for the ... blood samples to the lab for analysis, and set a ...
Breaking Biology News(10 mins):Trial begins for MRI-compatible robot designed to improve accuracy of prostate biopsies 2Trial begins for MRI-compatible robot designed to improve accuracy of prostate biopsies 3Trial begins for MRI-compatible robot designed to improve accuracy of prostate biopsies 4Trial begins for MRI-compatible robot designed to improve accuracy of prostate biopsies 5Fall foliage season may be later, but longer on warmer Earth 2Fall foliage season may be later, but longer on warmer Earth 3Fall foliage season may be later, but longer on warmer Earth 4March of Dimes honors Arizona with first-ever newborn screening award 2March of Dimes honors Arizona with first-ever newborn screening award 3
... in Montana to a backwater underneath a highway overpass ... capture high-resolution images for the first Nearby Nature GigaBlitz. ... efforts to document global biodiversity as they prepare for ... Dec. 19-26., The GigaBlitz is organized by a ...
... Thousands of Americans this year will be diagnosed with ... and muscle disorders (TMJD, formerly called TMJ). Because of ... have no way to determine whether their patients will get ... research help is on the way. Scientists affiliated with ...
... is a group of primitive "insects" whose first species ... the famous Italian zoologist Filippo Silvestri, among the small ... samples, taken from the grounds of a small villa ... following years Antonio Berlese, another very important zoologist (friend/foe ...
Cached Biology News:GigaBlitz event seeks citizen scientists to capture images of nearby biodiversity 2GigaBlitz event seeks citizen scientists to capture images of nearby biodiversity 3Study evaluates risk factors for chronic TMJD 2Study evaluates risk factors for chronic TMJD 3Study evaluates risk factors for chronic TMJD 4Study evaluates risk factors for chronic TMJD 5
(Date:9/19/2014)... , September 19, 2014 ... and Markets ( http://www.researchandmarkets.com/research/b2jxhs/micro_market ) has announced the addition ... Chromatography Columns"  report to their offering.  ... market is one of the fastest-growing segments in ... $1.2 billion in 2013, and expected to reach ...
(Date:9/19/2014)... September 19, 2014 The new , ... , available today on PharmaBoardroom.com for ... crisis that rocked the Spanish economy in 2009, and the ... community has remained pragmatic in times of trouble. ... the fifth biggest European market, and the general conditions to ...
(Date:9/18/2014)... Austin, TX (PRWEB) September 18, 2014 ... of integrated urological and interventional radiology products and ... (also known as cryotherapy and cryoablation) versus external ... Mid-Atlantic Section of the American Urological Association (MAAUA) ... , "Comparing Relative Effectiveness of Cryosurgery and ...
(Date:9/18/2014)... 2014 /PRNewswire-iReach/ -- DeepResearchReports.com adds "2014 Deep Research ... and "2014 Deep Research Report on Global and ... database. Photo - http://photos.prnewswire.com/prnh/20140918/147058 ... Global and China Acetic Acid Industry" is a ... China and Global Acetic Acid Market. ...
Breaking Biology Technology:Micro Market Monitor : Global Pre-packed Chromatography Columns 2PharmaBoardroom Releases New Spain Pharmaceuticals Report 2PharmaBoardroom Releases New Spain Pharmaceuticals Report 3HealthTronics Announces Data Comparing Cryotherapy Versus Radiation for Treating Prostate Cancer Poster Presented at the American Urological Association Regional Meeting 2Acetic Acid Market & Sodium Stannate Industry (China, Global) Research Report 2Acetic Acid Market & Sodium Stannate Industry (China, Global) Research Report 3Acetic Acid Market & Sodium Stannate Industry (China, Global) Research Report 4
... 2011 Genesis Biosciences, a global leader in ... development, announced today that Casey Smallwood has been ... Amaya and Amit Choksi have been promoted to ... Maddipati joins Genesis as a new fermentation scientist. ...
... -- Tianyin Pharmaceutical Co., Inc. (NYSE Amex: ... biopharmaceutical medicine, modernized traditional Chinese medicine, branded generics and ... conference call for the fiscal year 2011 ending June ... Time on Tuesday, September 27, 2011. Interested ...
... 20, 2011 The J. Craig Venter Institute ... an official groundbreaking ceremony for their new California ... will be a state-of-the-art, "ultra-green" 45,000 square foot, ... on the University of California, San Diego (UCSD) ...
Cached Biology Technology:Genesis Biosciences Announces New Hire and Promotions on Operational and Scientific Staff 2Genesis Biosciences Announces New Hire and Promotions on Operational and Scientific Staff 3Genesis Biosciences Announces New Hire and Promotions on Operational and Scientific Staff 4TPI to Host Fiscal Year 2011 Earnings Conference Call on Tuesday, September 27, 2011 at 9:00 a.m. ET 2J. Craig Venter Institute Breaks Ground on La Jolla, California's First True Sustainable Laboratory Facility 2J. Craig Venter Institute Breaks Ground on La Jolla, California's First True Sustainable Laboratory Facility 3
alpha/beta-Tubulin Antibody Ship: Hot Store: -20 C...
Anti-Kusabira Orange Monoclonal Antibody Description: 100 g Research Focus: tag Storage: -20C Shipping Temperature: 4C...
TXNL2 Antibody...
Mouse monoclonal [3F8 ] to smooth muscle Myosin heavy chain I ( Abpromise for all tested applications). entrezGeneID: 4629 SwissProtID: P35749...
Biology Products: