Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

The first portable system for measuring the damage to hearing in cetaceans

30.12.2008
The audiographic measuring system makes it possible to make in situ diagnoses of possible hearing loss in cetaceans. In the case of beached animals, it is able to determine their chances of survival without having to be taken to a laboratory.

Researchers from Spain, the United Kingdom, France, the Netherlands and the United States were involved in the project, which was conducted thanks to the support given by the Fundación BBVA.

Cetaceans are the most threatened species in the world, due, amongst other things, to problems directly caused by human sources of sound. This can lead to collisions with ships and the mass beaching of animals after military maneuvers.

Although there is no conclusive data of the impact of noise pollution on the disorientation and death of these animals, it has been widely accepted that the negative effects of noise have irreversible repercussions on their sense of hearing.

The purpose of this project is to carry out research into how noise from human activities affects cetacean populations and the marine environment in general. The results of the research will enable the team to develop and apply specific solutions that monitor human activity so that a balance can be achieved between human development and the conservation of marine mammals.

The only practicable system to date for measuring the hearing sensitivity of cetaceans was to take them to a laboratory. However, given the size of these animals and their precarious state of health when they are beached, this was a complex procedure and posed considerable risks to their survival. This project has made it possible to develop the first portable system for measuring the hearing sensitivity of cetaceans in situ. Thus, a diagnosis can be made of their loss of hearing, and in the case of beached animals, an assessment made of their chances of survival without having to move them.

The propagation of biological acoustic signals involved in echolocation is also a subject for study in the framework of this project. Special emphasis is placed on how animals detect their prey in noisy environments. The Laboratory of Applied Bioacoustics on the Vilanova i la Geltrú Campus is also working towards the goals of the project and is putting the final touches to a system that involves preventing the collision of cetaceans with fishing nets.

Rossy Laciana | alfa
Further information:
http://www.upc.edu/saladepremsa

More articles from Medical Engineering:

nachricht First transcatheter implant for diastolic heart failure successful
16.11.2017 | The Ohio State University Wexner Medical Center

nachricht Theranostic nanoparticles for tracking and monitoring disease state
13.11.2017 | SLAS (Society for Laboratory Automation and Screening)

All articles from Medical Engineering >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: A “cosmic snake” reveals the structure of remote galaxies

The formation of stars in distant galaxies is still largely unexplored. For the first time, astron-omers at the University of Geneva have now been able to closely observe a star system six billion light-years away. In doing so, they are confirming earlier simulations made by the University of Zurich. One special effect is made possible by the multiple reflections of images that run through the cosmos like a snake.

Today, astronomers have a pretty accurate idea of how stars were formed in the recent cosmic past. But do these laws also apply to older galaxies? For around a...

Im Focus: Visual intelligence is not the same as IQ

Just because someone is smart and well-motivated doesn't mean he or she can learn the visual skills needed to excel at tasks like matching fingerprints, interpreting medical X-rays, keeping track of aircraft on radar displays or forensic face matching.

That is the implication of a new study which shows for the first time that there is a broad range of differences in people's visual ability and that these...

Im Focus: Novel Nano-CT device creates high-resolution 3D-X-rays of tiny velvet worm legs

Computer Tomography (CT) is a standard procedure in hospitals, but so far, the technology has not been suitable for imaging extremely small objects. In PNAS, a team from the Technical University of Munich (TUM) describes a Nano-CT device that creates three-dimensional x-ray images at resolutions up to 100 nanometers. The first test application: Together with colleagues from the University of Kassel and Helmholtz-Zentrum Geesthacht the researchers analyzed the locomotory system of a velvet worm.

During a CT analysis, the object under investigation is x-rayed and a detector measures the respective amount of radiation absorbed from various angles....

Im Focus: Researchers Develop Data Bus for Quantum Computer

The quantum world is fragile; error correction codes are needed to protect the information stored in a quantum object from the deteriorating effects of noise. Quantum physicists in Innsbruck have developed a protocol to pass quantum information between differently encoded building blocks of a future quantum computer, such as processors and memories. Scientists may use this protocol in the future to build a data bus for quantum computers. The researchers have published their work in the journal Nature Communications.

Future quantum computers will be able to solve problems where conventional computers fail today. We are still far away from any large-scale implementation,...

Im Focus: Wrinkles give heat a jolt in pillared graphene

Rice University researchers test 3-D carbon nanostructures' thermal transport abilities

Pillared graphene would transfer heat better if the theoretical material had a few asymmetric junctions that caused wrinkles, according to Rice University...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Ecology Across Borders: International conference brings together 1,500 ecologists

15.11.2017 | Event News

Road into laboratory: Users discuss biaxial fatigue-testing for car and truck wheel

15.11.2017 | Event News

#Berlin5GWeek: The right network for Industry 4.0

30.10.2017 | Event News

 
Latest News

NASA detects solar flare pulses at Sun and Earth

17.11.2017 | Physics and Astronomy

NIST scientists discover how to switch liver cancer cell growth from 2-D to 3-D structures

17.11.2017 | Health and Medicine

The importance of biodiversity in forests could increase due to climate change

17.11.2017 | Studies and Analyses

VideoLinks
B2B-VideoLinks
More VideoLinks >>>