Video | Business Headlines | Internet | Science | Scientific Ethics | Technology | Search

 


Ocean Noise: Sea Mammals Particularly Affected

Fatal Noise In The Oceans: Sea Mammals Particularly Affected

By Marietta Gross, Austria.

Los Angeles - Diesel engines of boats, acoustic locating systems of submarines, and oil boring on the sea-floor are an increasing threat for sea mammals. The US-American nature conversation organisation NRDC (Natural Resources Defense Council) presented a report in Los Angeles, which says that the high noise level of the oceans disturbs disorientates whales and dolphins.

When searching for nourishment, or a partner for pairing, the sea mammals rely on their auditory senses when recognizing endangerments. Ocean noise causes long term behavioural disorders, hearing loss, even death, according to estimations of the Californian nature conservationists.

This report is based on a study that began in 1999. It details results from stranded whales, which were exposed to sonar equipment of submarines. The study found the whales had suffered brain haemorrhages and auditory damage. It also found liver and kidney injuries. "Such symptoms have never before been found in sea mammals," said Michael Jasny, author of the study.

In October 2005, the NRDC sued the US-Marines at a Federal Court in Los Angeles. The environmentalists tried to have the courts instruct the Marines to regulate medium-frequent sonar-equipment. The fishing industry was also prompted to limit the use of acoustic locating systems.

According to the report oil and gas exploration and exploitation damages fishing stocks. Particularly damaging, the report showed, were borings on the ocean-floor. This jeopardized halibut, codfish and other fish species. "It was shown, that some fish species suffer internal ear damage that seriously affects their ability of survival“, said Jasny.

ENDS

© Scoop Media

 
 
 
 
 
Business Headlines | Sci-Tech Headlines

 

Half A Billion Accounts: Yahoo Confirms Huge Data Breach

The account information may have included names, email addresses, telephone numbers, dates of birth, hashed passwords (the vast majority with bcrypt) and, in some cases, encrypted or unencrypted security questions and answers. More>>

Rural Branches: Westpac To Close 19 Branches, ANZ Looks At 7

Westpac confirms it will close nineteen branches across the country; ANZ closes its Ngaruawahia branch and is consulting on plans to close six more branches; The bank workers union says many of its members are nervous about their futures and asking ... More>>

Interest Rates: RBNZ's Wheeler Keeps OCR At 2%

Reserve Bank governor Graeme Wheeler kept the official cash rate at 2 percent and said more easing will be needed to get inflation back within the target band. More>>

ALSO:

Half Full: Fonterra Raises Forecast Payout As Global Supply Shrinks

Fonterra Cooperative Group, the dairy processor which will announce annual earnings tomorrow, hiked its forecast payout to farmers by 50 cents per kilogram of milk solids as global supply continues to decline, helping prop up dairy prices. More>>

ALSO:

Results:

Meat Trade: Silver Fern Farms Gets Green Light For Shanghai Maling Deal

The government has given the green light for China's Shanghai Maling Aquarius to acquire half of Silver Fern Farms, New Zealand's biggest meat company, with ministers satisfied it will deliver "substantial and identifiable benefit". More>>

ALSO:

Get More From Scoop

 
 
 
 
 
 
 
 
 
Sci-Tech
Search Scoop  
 
 
Powered by Vodafone
NZ independent news